eaton innovative technology instruction manual: tvss power...

Effective Date: 3/2007 For more information visit: www.itvss.com

Eaton® Innovative Technology® TVSS Power Event Monitor Installation, Operation, and Maintenance

Instruction Manual: IM01005003E Rev. 4 – March 2007

The PEM is part of TVSS Models

PTE/PTX 80/160/300/400 kA

(PTX300 pictured above)

IM01005003E TVSS Power Event Monitor

Page A Rev. 4 – 3/2007

Register Your Warranty On-Line at www.eatonelectrical.com/itvss

Notice:

Product improvements and enhancements are continuous; therefore the specifications and information contained in this document may change without notice.

Eaton Corporation shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.

No part of this document may be reproduced for publication, or translated to another language without the prior written consent of Eaton Corporation.

Copyright © 2006–2007, Eaton Corporation, All Rights Reserved

Innovative Technology® is a registered trademark of Eaton Corporation. All other trademarks, trade names, service marks and logos referenced herein belong to their respective owners.

TVSS Power Event Monitor IM01005003E

Rev. 4 – 3/2007 Page i

TABLE OF CONTENTS

Section Page

1 Introduction ...................................................................................................................................... 1-1 1.1 Preliminary Comments & Safety Precautions ........................................................................ 1-1

1.1.1 Warranty and Liability Information ......................................................................... 1-1 1.1.2 Safety Precautions ................................................................................................ 1-1

1.2 Product Overview .................................................................................................................. 1-2 1.2.1 General Features .................................................................................................. 1-2 1.2.2 Hardware/Electrical Features ................................................................................ 1-2

1.3 Ordering Information ............................................................................................................. 1-3

2 Hardware Description ...................................................................................................................... 2-1 2.1 General ................................................................................................................................. 2-1 2.2 Power Supply ........................................................................................................................ 2-2

2.2.1 Low System Voltage Power Supply ...................................................................... 2-2 2.2.2 High System Voltage Power Supply ...................................................................... 2-2 2.2.3 Externally Energized Power Supply ...................................................................... 2-2

2.3 Processor I/O Board .............................................................................................................. 2-3 2.3.1 LED Operation ...................................................................................................... 2-4 2.3.2 Local Display Module Connector (RJ45) ............................................................... 2-4 2.3.3 MODBUS RTU and TCP Communications (J5) .................................................... 2-4 2.3.4 MODBUS IrDA Communications ........................................................................... 2-5 2.3.5 Digital Inputs and Output ....................................................................................... 2-5

2.4 PEM Specifications ............................................................................................................... 2-6 2.5 TVSS Enclosure Mounting Dimensions ................................................................................. 2-7

3 Installation ........................................................................................................................................ 3-1 3.1 Introduction ........................................................................................................................... 3-1 3.2 Externally Energized Power Supply Input Wiring .................................................................. 3-2 3.3 Communication Wiring .......................................................................................................... 3-4

3.3.1 Safety Extra Low Voltage (SELV) Wiring .............................................................. 3-4 3.3.2 System Voltage Wiring .......................................................................................... 3-6 3.3.3 Local Display Module Wiring ................................................................................. 3-6 3.3.4 MODBUS TCP (Ethernet 10/100 Base T) Wiring .................................................. 3-6 3.3.5 MODBUS RTU (RS-485) Wiring ........................................................................... 3-7 3.3.6 Digital Input and Output Wiring ............................................................................. 3-8

4 Power Event Monitor Operation ...................................................................................................... 4-1 4.1 General ................................................................................................................................. 4-1 4.2 Main Menu ............................................................................................................................ 4-2 4.3 System Data .......................................................................................................................... 4-2

4.3.1 System Voltage ..................................................................................................... 4-3 4.3.2 System Events ...................................................................................................... 4-3 4.3.3 System Ambient .................................................................................................... 4-3 4.3.4 System Configuration ............................................................................................ 4-3

4.4 Phase Data ........................................................................................................................... 4-3 4.4.1 L-L Volts ................................................................................................................ 4-3 4.4.2 L-N Volts ............................................................................................................... 4-3


Page ii Rev. 4 – 3/2007

4.5 Event Data ............................................................................................................................ 4-4 4.5.1 Total Events .......................................................................................................... 4-4 4.5.2 Surge Events ........................................................................................................ 4-4 4.5.3 Non-Surge Events ................................................................................................. 4-4 4.5.4 200% Surge Events .............................................................................................. 4-4 4.5.5 10% Above Non-Surge (Swell) ............................................................................. 4-4 4.5.6 10% Below Non-Surge (Sag) ................................................................................ 4-4 4.5.7 300% Surge Events .............................................................................................. 4-4 4.5.8 20% Above Non-Surge (Swell) ............................................................................. 4-5 4.5.9 20% Below Non-Surge (Sag) ................................................................................ 4-5 4.5.10 400% Surge Events .............................................................................................. 4-5 4.5.11 30% Below Non-Surge (Sag) ................................................................................ 4-5

4.6 Min/Max Data ........................................................................................................................ 4-5 4.6.1 Sag L-L Voltages .................................................................................................. 4-5 4.6.2 Swell L-L Voltages ................................................................................................ 4-5 4.6.3 Sag L-N Voltages .................................................................................................. 4-5 4.6.4 Swell L-N Voltages ................................................................................................ 4-5 4.6.5 Min System Frequency ......................................................................................... 4-5 4.6.6 Max System Frequency ........................................................................................ 4-5

4.7 View Setpoints ...................................................................................................................... 4-6 4.7.1 View All ................................................................................................................. 4-6 4.7.2 Password Setup .................................................................................................... 4-6 4.7.3 MODBUS Setup .................................................................................................... 4-6 4.7.4 IP Address ............................................................................................................ 4-6 4.7.5 Global IP Address ................................................................................................. 4-6 4.7.6 DNS_IP_Address .................................................................................................. 4-6 4.7.7 System Frequency ................................................................................................ 4-6 4.7.8 System Voltage ..................................................................................................... 4-7 4.7.9 Wiring Configuration.............................................................................................. 4-7 4.7.10 Exit ........................................................................................................................ 4-7

4.8 Edit Setpoints ........................................................................................................................ 4-7 4.8.1 Edit All ................................................................................................................... 4-7 4.8.2 Password Setup .................................................................................................... 4-8 4.8.3 MODBUS Setup .................................................................................................... 4-8 4.8.4 IP Address ............................................................................................................ 4-8 4.8.5 Global IP Address ................................................................................................. 4-9 4.8.6 DNS_IP_Address .................................................................................................. 4-9 4.8.7 System Frequency ................................................................................................ 4-9 4.8.8 System Voltage ................................................................................................... 4-10 4.8.9 Wiring Configuration............................................................................................ 4-10 4.8.10 Exit ...................................................................................................................... 4-10

4.9 Calibration ........................................................................................................................... 4-11 4.9.1 Date/Time ........................................................................................................... 4-11 4.9.2 Time Zone ........................................................................................................... 4-11 4.9.3 Calibration Screen............................................................................................... 4-12 4.9.4 History Log .......................................................................................................... 4-12 4.9.5 Exit ...................................................................................................................... 4-12


Rev. 4 – 3/2007 Page iii

4.10 Reset Values ....................................................................................................................... 4-13

4.10.1 Reset Surge Events ............................................................................................ 4-13 4.10.2 Reset Sag/Swell Events ...................................................................................... 4-13 4.10.3 Reset All Min/Max ............................................................................................... 4-13 4.10.4 Reset Volts Min/Max ........................................................................................... 4-13 4.10.5 Reset Calibration ................................................................................................. 4-13 4.10.6 Reset Frequencies Min/Max ................................................................................ 4-13 4.10.7 Reset History Log ................................................................................................ 4-13 4.10.8 Exit ...................................................................................................................... 4-13

4.11 Contrast Adjust .................................................................................................................... 4-14 4.12 Exit Menu ............................................................................................................................ 4-14

5 Network Communication Protocols ............................................................................................... 5-1 5.1 MODBUS RTU / TCP / IrDA .................................................................................................. 5-1 5.2 Overview ............................................................................................................................... 5-1 5.3 Function Codes ..................................................................................................................... 5-1 5.4 Standard Read Registers ...................................................................................................... 5-1 5.5 Setpoints ............................................................................................................................... 5-3 5.6 Time (UTC or Local) .............................................................................................................. 5-4 5.7 Reset Commands.................................................................................................................. 5-4 5.8 Controls ................................................................................................................................. 5-4 5.9 History Log ............................................................................................................................ 5-6 5.10 Block of Registers ................................................................................................................. 5-7 5.11 Understanding Address 1800 and 1801 ................................................................................ 5-8

6 Troubleshooting & Maintenance ..................................................................................................... 6-1 6.1 General ................................................................................................................................. 6-1

6.1.1 Level of Repair ...................................................................................................... 6-1 6.1.2 Maintenance and Care .......................................................................................... 6-1

6.2 Troubleshooting Guide .......................................................................................................... 6-2 6.3 Error Codes ........................................................................................................................... 6-4 6.4 Technical Assistance............................................................................................................. 6-5 6.5 Warranty ................................................................................................................................ 6-5

Appendix A: Local Display Module Menu Map .................................................................................. A-1

Appendix B: MODBUS Address Reference ........................................................................................ B-1

Appendix C: Factory Default Values ................................................................................................... C-1

Appendix D: Features by Model .......................................................................................................... D-1

Appendix E: ITIC (CBEMA) Curve ....................................................................................................... E-1


Page iv Rev. 4 – 3/2007

LIST OF TABLES

Page

Table 1-1. Typical System Wiring Configuration ....................................................................................... 1-3

Table 5-1. Example Messages ................................................................................................................. 5-7

Table 5-2. Example Responses ............................................................................................................... 5-8

Table 5-3. Example Slave Actions ............................................................................................................ 5-9

Table 5-4. Example Responses ............................................................................................................... 5-9

Table 6-1. PEM Troubleshooting Guide ................................................................................................... 6-2

Table 6-2. MODBUS Error Codes ............................................................................................................ 6-4

LIST OF FIGURES

Page

Figure 2-1. PEM Installed in a TVSS Enclosure (Shown with High System Voltage Power Supply) ....... 2-1

Figure 2-2. PEM Components and Connectors ....................................................................................... 2-3

Figure 2-3. Front Panel LEDs .................................................................................................................. 2-4

Figure 2-5. Case Dimensions for All Non-Fused Models ......................................................................... 2-7

Figure 2-6. Case Dimensions for All Fused Models ................................................................................ 2-7

Figure 3-1. Power Supply Wiring Using External Source of Voltage ....................................................... 3-2

Figure 3-2. Power Supply Wiring for PEM Models that have an Internal

L-N Voltage of Between 90 and 280 Vac .............................................................................. 3-3

Figure 3-3. SELV Wiring Access at Bottom of TVSS Enclosure .............................................................. 3-4

Figure 3-4. Typical SELV Wiring Installation (Before Securing Wires) .................................................... 3-5

Figure 3-5. Typical SELV Wiring Installation (After Securing Wires with Cable Ties) .............................. 3-5

Figure 3-6. RS-485 Wiring Diagrams....................................................................................................... 3-7

Figure 4-1. Local Display Module ............................................................................................................ 4-1

Figure 4-2. Main Menu ............................................................................................................................ 4-2

ACRONYMS

IrDA Infrared Data Association

ITIC Information Technology Industry Control

LED Light Emitting Diode

MODBUS™ Modicon Communication Bus

MOV Metal Oxide Varistor

PEM Power Event Monitor

RMS Root-Mean-Square

RTU Remote Terminal Unit

SELV Safety Extra Low Voltage

STP Shielded Twisted Pair

TCP Transmission Control Protocol

TVSS Transient Voltage Surge Suppressor

UTP Unshielded Twisted Pair


Rev. 4 – 3/2007 Page 1-1

1 INTRODUCTION

1.1 Preliminary Comments & Safety Precautions

This technical document is an operation, installation and board-level maintenance guide for authorized

and qualified personnel who use the Innovative Technology TVSS Power Event Monitor (PEM). If you

require further information regarding a particular installation, application or maintenance activity, contact

Power Quality Technical Support at 1-800-809-2772.

1.1.1 Warranty and Liability Information

No warranties expressed or implied, including warranties of fitness for a particular purpose of

merchantability, or warranties arising from course of dealing or usage of trade are made regarding this

information, recommendations, and descriptions contained herein. Refer to Section 6.5 Warranty for

complete details.

1.1.2 Safety Precautions

All safety codes, safety standards, and/or regulations must be strictly observed in the installation,

operation, and maintenance of this device.

WARNING! The use of the word WARNING in this manual denotes a potential hazard associated

with the use of this equipment. It calls attention to a procedure, practice, or condition, or the like,

which if not correctly performed or adhered to, could result in personal injury or death.

CAUTION The use of the word CAUTION in this manual denotes a potential hazard associated

with the use of this equipment. It calls attention to a procedure, practice, condition, or the like,

which if not correctly performed or adhered to, could result in damage to the equipment.

WARNING! SHOCK HAZARDS:

IMPROPER INSTALLATION CAN CAUSE DEATH, INJURY AND/OR EQUIPMENT DAMAGE.

Follow all warnings and cautions. Completely read and understand the information in this

document before attempting to install or operate the equipment.

IMPROPER WIRING COULD CAUSE DEATH, INJURY, AND/OR EQUIPMENT DAMAGE. Only

qualified personnel who are trained in the installation and service of electrical equipment are to

service the PEM.

USE APPROPRIATE SAFETY PRECAUTIONS AND EQUIPMENT FOR ARC FLASH

PROTECTION.


Page 1-2 Rev. 4 – 3/2007

1.2 Product Overview

1.2.1 General Features

The TVSS Power Event Monitor (PEM) is integrated into TVSS devices without increasing the size of the

footprint. Mounted on the door inside the TVSS, the PEM continuously monitors the system while

recording power-quality disturbances. These records help facility managers to pinpoint the source of

harmful power events and decide whether or not to take corrective measures.

The PEM system can monitor:

Phase voltages (L-L, L-N)

Phase loss

Power outages

Surge events

Relative transient voltage magnitude

Sag and swell

Over and under voltages

Relay contact state change

The PEM collects real-time data and stores up to 5000 power-quality disturbances. By utilizing the PEM’s

MODBUS IrDA, RTU, or TCP capabilities, technicians can instantly access all monitoring and event data

by using Eaton’s PEM Handheld (PDA) or Personal Computer (PC) software. This software enables

operators to readily access all information gathered by the PEM using infrared, RS-485, and wired or

wireless Ethernet technologies. Consequently, whether you are in the facility or at home, all data

collected by the PEM can be easily accessed for analysis.

1.2.2 Hardware/Electrical Features

The PEM provides single-phase and 3-phase Wye or Delta electrical system monitoring. See Table 1-1.

Set up and reporting is communicated from the PEM to an external monitoring device via the following

methods:

MODBUS RTU (RS-485, 2 wire)

MODBUS TCP (Ethernet 10/100 Base T, RJ45)

IrDA (Infrared)

Local Display Module (Ethernet patch cable, RJ45)


Rev. 4 – 3/2007 Page 1-3

Table 1-1. Typical System Wiring Configuration

Model Type Voltage Setting Wiring Configuration*

1P101

1P201

1S101

Single Phase

Single Phase

Split Phase

120 Vac

240 Vac

120 Vac L-N (240 L-L)

4 Wire

4 Wire

4 Wire

3Y101

3Y201

3Y300

3 Phase Υ

3 Phase Υ

3 Phase Υ

120 Vac L-N (208 L-L)

277 Vac L-N (480 L-L)

347 Vac L-N (600 L-L)

4 Wire

4 Wire

4 Wire

NN201

NN400

NN501

3 Phase ∆

3 Phase ∆

3 Phase ∆

240 Vac L-L

480 Vac L-L

600 Vac L-L

3 Wire

3 Wire

3 Wire

* Note: The wiring configuration indicates the setting in the PEM; not the physical wiring configuration.

1.3 Ordering Information

Model

PT − Protector

PT L PEMX 160 3Y101 _ _ __

Configuration & Voltage Ranges (Vac)

1P101 = Single-Phase – 100, 110, 120, 127

1P201 = Single-Phase – 200, 208, 220, 230, 240, 277

1S101 = Split-Phase – 100/200, 110/220, 120/240, 127/254

3Y101 = Three-Phase WYE (Star) – 100/175, 110/190, 120/208, 127/220

3Y201 = Three-Phase WYE (Star) – 220/380, 230/400, 240/415, 277/480

3Y300 = Three-Phase WYE (Star) – 305/525, 347/600

3D101 = Three-Phase High Leg Delta - 120/240

NN201 = Three-Phase Delta – 200, 208, 220, 230, 240

NN400 = Three-Phase Delta – 380, 400, 415, 440, 480

NN501 = Three-Phase Delta – 525, 600

Circuit Design

X − Standard Suppression

E − Active Tracking Network (ATN)

Sine Wave Tracking, UL 1283

Options*

SD = S.M.A.R. T. Surge Counter

L = Fused Unit (up to 300 k A )

D = Fused Disconnect

Blank = None

Monitor Option

PEM = Power Event Monitor

Blank = None

PEM Ethernet Option

E = Ethernet

Blank = None

E

In this example, Catalog Number PTX160-3Y101-L-PEM-E

identifies a Protector with the following features and ratings:

• Standard Suppression Circuitry

• Surge Current Rating of 160 kA

• Three-Phase WYE Configuration

• Voltage Range of 100 to 220 Vac

• Optional Internal Fusing

• Optional PEM Circuitry

• Optional PEM Ethernet Circuitry

* Note: The S.M.A.R.T. unit and Fused Disconnect

are not available with the PEM.

Per Phase Peak

Surge Current (kA)

048 = 48 160

065 = 65 300

080 = 80 400


Page 1-4 Rev. 4 – 3/2007

Notes:


Rev. 4 – 3/2007 Page 2-1

2 HARDWARE DESCRIPTION

2.1 General

A TVSS PEM system consists of a Power Supply and Processor I/O Board that are installed on the door

of an environmentally suitable Transient Voltage Surge Suppressor (TVSS) enclosure (Figure 2-1).

Figure 2-1. PEM Installed in a TVSS Enclosure

(Shown with High System Voltage Power Supply)

WARNING! SHOCK HAZARD. Death, injury, and equipment damage could result from

attempting to disassemble or open the TVSS enclosure with power applied. De-energize the

PEM, and follow safe work practices to avoid an electrical shock hazard.

Power Supply

Processor I/O

Board

TVSS


Page 2-2 Rev. 4 – 3/2007

2.2 Power Supply

There are three types of power supplies available to power the PEM. The type of power supply that is

installed in your unit depends on the system voltage to be monitored. Refer to Sections 2.2.1, 2.2.2 and

2.2.3 for details.

2.2.1 Low System Voltage Power Supply

This power supply is used in single-phase, split-phase, Wye, or Delta systems where the L-N or L-L

voltage is in the range of 100 to 240 Vac. Jumper JU1 on the board is positioned as shown below. This

power supply is energized directly from the TVSS. No customer wiring is required.

VA

VB

VC

NN VB

VA

JU

1

VA

VB

VC

NN VB

VA

JU

1

For single-phase, split-phase, or

Wye systems with L-N voltages in

the range of 100 to 240 Vac,

jumper JU1 is placed in position

VA-N (Power Supply is energized

from Phase “A” and Neutral).

Used on PEM Model Numbers:

1P101, 1P201, 1S101, 3Y101

For Delta systems with L-L voltages

in the range of 100 to 240 Vac,

jumper JU1 is placed in position

VA-VB (Power Supply is energized

from Phases “A” and “B”).

Used on PEM Model Number:

NN201

2.2.2 High System Voltage Power Supply

This power supply incorporates a step-down transformer

and is used in Wye or Delta systems where the L-L

voltage is in the range of 380 to 600 Vac. Jumper JU1 on

the board is positioned as shown to the right. This power

supply is energized directly from the TVSS. No customer

wiring is required.

2.2.3 Externally Energized Power Supply

This power supply is a low-system-voltage unit that is

energized from either an external source of 90–280 Vac

or 48--150 Vdc, or from the system voltage when its L-N

or L-L voltage is between 90 and 280 Vac.

Note: With this power supply being energized from an

external source of ac or dc power, the PEM’s metering

circuit remains active in the absence of any one or more

system phase voltages. When the power supply is

energized from the system voltage, however, be aware

that the PEM will shut down if the phase voltage being

used to energize the power supply is lost.

Important – Please Read! This type of power supply

requires the customer to connect power to terminals PS1

and PS2 as described in Section 3.2 Externally

Energized Power Supply Input Wiring.

AB

CN

12

Power supply terminals PS1

and PS2 shown wired to

Phase “A” and Neutral when

the system’s L-N voltage is

between 90 and 280 Vac.

AB

CN

12

Neutral

To a fused source of90–280 Vac or48–150 Vdc

SystemPhaseVoltagesA, B, C


Rev. 4 – 3/2007 Page 2-3

Figure 2-2. PEM Components and Connectors

2.3 Processor I/O Board

The Processor I/O Board contains three LED’s, visible through the front door, which provide a visual

indication of phase status. This board also provides the following types of communication inputs/outputs:

MODBUS RTU (RS-485, 2 wire)

MODBUS TCP (Ethernet 10/100 Base T, RJ45)

IrDA (Infrared, front door accessible)

Local Display Module (CAT-5E patch cable, RJ45)

Digital Inputs and Output (3-wire cable)

VA

VB

VC

NN VB

VA

JU

1

Power Supply

(High System

Voltage Board

Shown)

Processor I/O

Board

Neutral Connection:

Single-Phase,

Split-Phase, and

Wye Systems

System Voltage

from TVSS

Display Module

(RJ45)

Digital Output (J6)

RS-485

(MODBUS RTU) (J5)

Digital Inputs (J7)

Ethernet Port

(MODBUS TCP)

System Voltage

Terminals VA, VB, VC

Flash Memory

Programmer

Signal and Power

Connectors


Page 2-4 Rev. 4 – 3/2007

2.3.1 LED Operation

WARNING! SHOCK HAZARD. Dark LED’s do not necessarily mean that power is not present

within the enclosure. Since the PEM’s power supply could be energized from phase “A” or from

phases “A/B” it’s possible to lose a phase that is energizing the power supply causing all LED to

to be dark, but the other phases within the enclosure could still be live.

There are three front panel LED’s, one LED for each of the

three phases. Each LED indicates the presence of voltage, and

blink to indicate when a phase voltage is out of acceptable

parameters. These LED’s operate as follows for a normally

operating PEM:

A steady LED indicates that the phase voltage is within ±10% of the system voltage setting.

A blinking LED indicates that the phase voltage is outside the ±10% system voltage setting, but greater than 70 Vac. (Check History Log for event.)

A dark LED indicates loss of system voltage or phase voltage, or a phase voltage is less than 70 Vac.

Figure 2-3. Front Panel LEDs

2.3.2 Local Display Module Connector (RJ45)

This connector is provided for the optional Local Display Module. The wiring from the PEM’s Processor

I/O Board to the RJ45 connector on the rear of the module is made using a standard Shielded Twisted

Pair (STP) CAT-5E RJ45 patch cable that does not exceed 10 feet in length.

Detailed Local Display Module instructions are provided in Section 4 Power Event Monitor Operation.

2.3.3 MODBUS RTU and TCP Communications (J5)

The PEM is a MODBUS compatible device. When connected via a MODBUS port (RTU or TCP), registry

values can be remotely read using the addresses provided in the MODBUS table. Refer to Section 5

Network Communication Protocols. The PEM acts as a MODBUS slave and supports MODBUS

addresses 01-FF Hex or 1-255 decimal (see Appendix B).

MODBUS wiring instructions are provided in Section 3.3.4 MODBUS TCP (Ethernet 10/100 Base T)

Wiring.


Rev. 4 – 3/2007 Page 2-5

2.3.4 MODBUS IrDA Communications

The IrDA communications port located on the front door of the PEM is

designed to communicate with a Personal Digital Assistant (PDA) running

the Microsoft Windows Mobile operating system, along with Eaton’s PEM

PDA software.

The PEM PDA software gives an operator the following abilities:

Voltage Monitoring

Event Count Display

Event History Retrieval

PEM Configuration

Note: Be aware that direct sunlight may inhibit IrDA

communications.

The PEM Handheld software can be downloaded free of charge from

www.itvss.com. Use the search term “PEM Software”.

2.3.5 Digital Inputs and Output

There are two optically isolated inputs (J7): Sense 1 and Sense 2. At this time only the Sense 1 input is

operational. The Sense 2 input is reserved for future expansion of the PEM. The application of 42.4 Vac /

60 Vdc to the input of Sense 1 causes its associated Form C relay (J6) to energize.

The contacts of a form C relay are connected to J6. This relay is energized with the application of an

appropriate voltage to the Sense 1 input as described above.

Detailed wiring instructions for both the digital input and output are provided in Section 3.3.6 Digital Input

and Output Wiring.

PEM

PDA

60°max.

3 Feetmax.

IrDA Port onFront Cover

http://www.itvss.com/


Page 2-6 Rev. 4 – 3/2007

2.4 PEM Specifications

Enclosure ................................................................. NEMA 4, approved and tested per UL1449

Environment:

Maximum Altitude. .............................................. 3000 meters

Operating Temperature ....................................... –20˚ to 50˚C

Storage Temperature .......................................... –30˚ to 85˚C

Maximum Relative Humidity ................................ 80% for temperatures up to 3˚C (non-condensing) decreasing linearly to 50% at 50˚C

Voltage Inputs ............................................................ 90 to 600 Vac nominal ± 10%

Input Impedance ........................................................ 2 MΩ

Measurement Accuracy:

Voltage, L-L ........................................................ ±2% of full scale

Voltage, L-N ........................................................ ±2% of full scale

Measurement Ranges:

Voltage ............................................................... 0–660 Volts

Frequency .......................................................... 50 / 60 Hz

Transient Capture ...................................................... 200, 300 & 400% of system voltage.

Minimum capture width = 20 S (see Appendix E)

Sag / Swell Capture:

Sag ..................................................................... –10, –20, and –30% of system voltage

Swell................................................................... +10 and +20% of system voltage Capture width per ITIC curve (see Appendix E)

Overload Withstand ................................................... 660 Vac continuous

Sampling ................................................................... 256 samples/cycle (per phase, simultaneous)

MODBUS RTU Communication speeds ..................... 9600 & 19.2k Baud

Digital Input:

Input Voltage ...................................................... 42.4 Vac / 60 Vdc

Maximum Current Rating .................................... 96 mA

Digital Output:

Maximum Input Voltage ...................................... 42.4 Vac / 60 Vdc

Maximum Current Rating .................................... 96 mA

Pollution Degree ........................................................ 1 (IEC 664)

Transient Overvoltage Category ................................ Overvoltage Category III

Input/Output Isolation Voltage .................................... 3750 Vrms

Power Supply:

Input Voltage:

Low Voltage System ...................................... 100–240 Vac High Voltage System ..................................... 380–600 Vac Externally Powered ........................................ 90–280 Vac, or 48–150 Vdc

Frequency Range ............................................... 50/60 Hz

Burden ................................................................ 800 mA, 12 W

Agency Approvals (UL, CSA, and CE):

Safety ................................................................. IEC 1010-1 EN61010-1 UL 61010A-1 UL1449

EMC Emissions .................................................. FCC part 15 Class A CISPR 11/EN55011 Group 1 Class A

EMC Immunity:

Electrostatic Discharge ................................... EN61000-4-2/EN61000-6-2 Electrical Fast Transient ................................. EN61000-4-4/EN61000-6-2


Rev. 4 – 3/2007 Page 2-7

2.5 TVSS Enclosure Mounting Dimensions

6.00[152.4]

8.99[228.3]

10.75[273.1]

11.50[292.1]

4X Ø .31 [Ø8]

Mounting Hole

7.16[181.8] Mounting

Foot

Figure 2-4. Case Dimensions for All Non-Fused Models

8.99[228.3]

6.00[152.4]

12.75[323.9]

13.50[342.9]

8.40[213.5]

MountingFoot

4X Ø .31 [Ø8]

Mounting Hole

Figure 2-5. Case Dimensions for All Fused Models


Page 2-8 Rev. 4 – 3/2007

Notes:


Rev. 4 – 3/2007 Page 3-1

3 INSTALLATION

3.1 Introduction

The PEM is factory wired and configured according to the unit’s model number as specified on the sales

order. The PEM cannot be used on any other range of system voltages or configuration other than those

for which it was designed. Refer to Table 1-1. Typical System Wiring Configuration and Section 1.3

Ordering Information.

The PEM must be installed, operated, and maintained by adequately trained personnel. These instructions

do not include all details, variations or combinations of the equipment, its storage, delivery, installation,

checkout, safe operation or maintenance. Care must be exercised to comply with local, state and national

regulations, as well as with industry standard safety practices for this class of equipment.

To complete the installation, the operator must:

Mount the TVSS Power Event Monitor in close proximity to the electrical system following

the guidelines in the TVSS instruction manual.

If necessary, connect the Power Supply to a source of input power (Section 3.2)

Connect communication wiring (Section 3.3)

Wire the TVSS to the electrical system (Section 3.3.2)

WARNINGS! SHOCK HAZARDS:

Failure to comply with proper installation procedures, or any of the following precautions can

result in death, injury, and/or equipment damage.

Install the PEM in close proximity to a three-phase switch or circuit breaker that will serve as the

disconnection device for the equipment.

Turn OFF the power supply to the panel board or switchgear at the installation site.

If the optional Local Display Module is being used, always connect the display module to earth

ground. Note that the CAT-5 cable connecting the display module to the Processor I/O Board is

rated at 300V.

All wiring must conform to national and local codes.

Do not route communication cables in the same wiring channel with system voltage.

Communication cables and power cables do not have the same insulation ratings and must be

routed separate to avoid shock and/or equipment damage.

Death, injury, and equipment damage could result from attempting to disassemble or open the

TVSS enclosure with power applied.


Page 3-2 Rev. 4 – 3/2007

3.2 Externally Energized Power Supply Input Wiring

Important – Please Read! This section pertains to only those installations that use the externally

energized power supply (refer to Section 2.2.3). This power supply requires the customer to connect a

source of voltage to the supply’s input terminals, PS1 and PS2. For all other types of power supplies, their

input wiring has been completed at the factory, and no customer wiring is required.

Figure 3-1 shows the power supply being energized from an external voltage source of either

90--280 Vac, or 48–150 Vdc. Fuses should be installed in the PS1 and PS2 power supply lines. 600 volt,

½ Ampere BUSS type KTK-R-1/2 Fast Acting or equivalent fuses are recommended.

Figure 3-2 shows the power supply’s input being connected to the PEM’s internal system voltage. This

can be done only in those installations where the L-N or L-L system voltage is between 90 and 280 Vac.

In this example, PS1 and PS2 are connected to Phase “A” and Neutral of a 3-phase Wye system. Note

that the supply’s input can also be connected Phase “A” and Phase “B” of a 3-phase Delta system, as

long as the L-L voltage is between 90 and 280 Vac.

AB

CN

12 To a fused source of

90-–280Vac or

48–150 Vdc

Neutral

System

Phase

Voltages

A, B, C

L3 L2 L1

VA VB VC NEU PS1 PS2Fuse Block

mounted on

Processor I/O

Board

Power Supply Board

Any Voltage

From TVSS

Power Event Monitor

Any Model or System Voltage

Case Ground

Must be

Connected for

Proper Operation

Power Supply Input: 90–280 Vac

48–150 Vdc

Important! External fuses should be

installed in the PS1 and PS2 power

supply input lines. 600 volt, 1/2 Ampere,

BUSS type KTK-R-1/2 FastActing or

equivalent fuses are recommended.

Figure 3-1. Power Supply Wiring Using External Source of Voltage


Rev. 4 – 3/2007 Page 3-3

AB

CN

12

Power supply terminals PS1 and

PS2 shown wired to Phase “A”

and Neutral for systems that

have a L-N voltage of between

90 and 280 Vac.

Neutral

System

Phase

Voltages

A, B, C

L1L2L3

VA VB VC NEU PS1 PS2Fuse Block

mounted on

Processor

Board

Power Supply Board

Note: For Delta systems, PS1 and PS2 can be

wired to terminals VA and VB when the L-L

voltage is between 90 and 280 Vac.

L-N System Voltage

90–280 Vac

From TVSS

Case Ground

Must be

Connected for

Proper Operation

Figure 3-2. Power Supply Wiring for PEM Models that have an Internal

L-N Voltage of Between 90 and 280 Vac


Page 3-4 Rev. 4 – 3/2007

3.3 Communication Wiring

Communication wiring consists of any one or more the following communication methods:

Local Display Module

MODBUS RTU (RS-485)

MODBUS TCP (Ethernet 10/100 Base T)

Digital Inputs and Outputs

Important! All communication wiring must conform to Section 3.3.1 Safety Extra Low Voltage

(SELV) Wiring.

3.3.1 Safety Extra Low Voltage (SELV) Wiring

Wiring that meets the SELV requirement must enter the enclosure through its own entry point away from

the line voltage wiring as shown in Figure 3-3. This is done to eliminate noise and interference from being

induced onto the communication cables.

SELV wiring must be routed through the provided strain-relief cable ties and secured to prevent the SELV

wiring from coming in contact with the line voltage circuits within the enclosure. A plastic barrier is

provided to limit the exposure to these circuits and must remain intact. If the shield is removed for wiring

purposes, it must be re-installed before applying system voltage.

See Figure 3-4 and Figure 3-5 for typical installation examples.

Suggested

SELV Entry

Hole Location

Suggested

Line Entry

Hole Location

Enclosure Bottom View

Hole Size Shown For 1.0 Inch Conduit

2.0±.5 [51 mm±13 mm] 2.0±.5 [51 mm±13 mm]

2.5+.0-1.0 [64 mm

+0 mm-25 mm]

Acceptable Hole

Tolerance Zone

Figure 3-3. SELV Wiring Access at Bottom of TVSS Enclosure


Rev. 4 – 3/2007 Page 3-5

Figure 3-4. Typical SELV Wiring Installation (Before Securing Wires)

Figure 3-5. Typical SELV Wiring Installation (After Securing Wires with Cable Ties)

Route SELV wiring

through the supplied

cable ties and secure

wires in place.


Page 3-6 Rev. 4 – 3/2007

3.3.2 System Voltage Wiring

The PEM is factory wired inside the TVSS enclosure to connect to sources of voltage for each phase that

is to be monitored. Phase voltages 600V and under may be directly measured by the PEM. Refer to the

TVSS instruction manual for system wiring diagrams.

3.3.3 Local Display Module Wiring

Category 5E, 5P or Unshielded Twisted Pair (UTP) cable can

be used to connect the Local Display Module to the PEM.

Eaton recommends using a standard Shielded Twisted Pair

(STP) CAT-5E RJ45 patch cable that does not exceed 10 feet

in length.

Connect the Local Display Module to earth ground using the

grounding terminal on the module’s rear face.

Route the CAT-5E cable from the PEM to the Display

Module. Do not route the cable through the same entry point

as the system voltage wiring.

Plug the ends of the CAT-5E cable into the PEM’s DISPLAY

jack on the Processor I/O Board and the Display Module’s

RJ45 jack.

3.3.4 MODBUS TCP (Ethernet 10/100 Base T) Wiring

Communication with the PEM can also be established over a

MODBUS TCP (Ethernet) connection. Refer to Section 5 Network

Communication Protocols.

Using a standard Ethernet CAT-5E patch cable (328 feet max.),

route the cable from the Ethernet master to the PEM. Do not route

the cable through the same entry point as the system voltage

wiring. Plug the Ethernet cable into the PEM’s ETHERNET port on

the Processor I/O Board as shown in the diagram to the right.

Note: Be sure to secure cable using the supplied strain-relief wire

tie on the printed circuit board.

After wiring is complete, refer to Sections 4.8.4 and 4.8.5 to enter

the IP Address, IP Mask, and Gateway IP Address of the PEM.

Display Module

RJ45 Connector

Ethernet Port

Secure Cable

using Wire Tie


Rev. 4 – 3/2007 Page 3-7

3.3.5 MODBUS RTU (RS-485) Wiring

Communication with the PEM can be established over a

MODBUS serial network in a master/slave (request/response)

configuration using the PEM’s MODBUS RTU (RS-485)

transmission mode. Refer to Section 5 Network

Communication Protocols.

The recommended MODBUS communication cable is Belden

7897A rated at 600 Volts. Lower insulating voltage cables

such as Belden 3106A (300 Volts) may also be used

depending on the installation environment. Up to 100 PEM

devices can be supported on a network representing 32 RS-

485 unit loads. Multiple PEMs should be daisy chained

together (star configurations are not recommended).

See Figure 3-6.

The maximum cable length is 4000 feet, with each end of the

cable terminated with a 120-ohm resistor. To avoid ground

loops, connect the cable’s shield to earth ground only at the

MODBUS master device.

Note: Ferrules should be used to dress cable ends in order to

avoid problems associated with frayed and loose wires.

Locate the MODBUS RTU RS-485 connector (J5) on the Processor I/O Board and connect the MODBUS

communication cable to this connector. If there are multiple PEMs being monitored, continue to daisy

chain the PEMs together, being sure the wire colors match its associated RS-485 terminal. Finally,

connect the master device to the MODBUS network; being sure that the A and B connections on the

master device match the polarity of the connections on the PEM.

After wiring is complete, refer to Section 4.8.3 MODBUS Setup to set the Baud Rate and Address of each

PEM on the network.

= Twisted Pair= Shielded Cable

Legend:

B–

A+

GND

Shield

EO

LT

R

D/R = RS-485 Driver/Receiver

EOLTR = End of Line Termination Resistor

D/R

B–

A+

GND

Shield

D/R

Daisy Chain ConnectionEnd of Line Node Connection

Figure 3-6. RS-485 Wiring Diagrams

MODBUS RTU

Connector J5

Shield

B–

A+

GND


Page 3-8 Rev. 4 – 3/2007

3.3.6 Digital Input and Output Wiring

Inputs – The Digital Inputs connector (J7) contains two optically

isolated inputs: Sense 1 and Sense 2. At this time only the Sense 1

input is operational. The Sense 2 input is reserved for future

expansion of the PEM. The application of either 42.4 Vac or 60 Vdc

to the input of Sense 1 causes its associated Form C relay attached

to the Digital Output connector (J6) to energize.

J7 Pin 1 Sense 1 Line

Pin 2 Sense 1 Neutral

Pin 3 (Not Used)

Pin 4 Sense 2 Line

Pin 5 Sense 2 Neutral

Output – A Form C relay connected to J6 is energized with the

application of an appropriate voltage to the Sense 1 input as

described above.

J6 Pin 1 Common

Pin 2 Normally Open (NO)

Pin 3 Normally Closed (NC)

Note: Ferrules should be used to dress cable ends in order to avoid

problems associated with frayed and loose wires

1

Digital

Inputs (J7)

3

2

1

5

4

3

2

Digital Output

(J6)


Rev. 4 – 3/2007 Page 4-1

4 POWER EVENT MONITOR OPERATION

4.1 General

This section describes the operation of the PEM using the Local Display Module. Communication with the

PEM can also be established through various other communication methods (IrDA, MODBUS RTU, and

MODBUS TCP), but the Local Display Module provides the most control by providing both local display of

system values and a method of accessing all setup and communication parameters.

The PEM is set up at the factory per the customer’s sales order, thus all the features of the Local Display

Module are not required for customer set up or routine operation of the PEM. Once the PEM is configured

for your system, the other communication methods provide all controls necessary for system monitoring

and PEM control.

The Menu, Scroll and Enter buttons, as shown in Figure 4-1, allow the operator to view, change, and set

various system parameters as will be described in the following sections.

A menu map of the Local Display Module is shown in Appendix A.

Figure 4-1. Local Display Module

Enter – Press to select a

highlighted menu item or to

confirm the entry of data into

memory

Menu – Press to step through

the Main menu items

Display Screen – Shows

system data and the PEM’s

operating parameters as

selected by the Menu, Enter,

and Scroll buttons.

Scroll – Press the up and

down arrow buttons to scroll

through the data associated

with the selected Main menu

item, or to change the value of

a parameter


Page 4-2 Rev. 4 – 3/2007

4.2 Main Menu

When the PEM is first powered on, the display screen shows a brief initialization message that identifies

the product and the software version numbers of the PEM and Local Display Module, followed by the

display of the System Data screen.

To view the Main menu, press the Menu button. Observe that the Display Screen shows four

Main menu items at a time as shown in Figure 4-2.

Use the Scroll buttons to scroll up and down through the list of available menu items.

Select a menu item by using the Scroll buttons to first place the menu item selection arrow next to

the desired item, and then pressing the Enter button to select that item.

Figure 4-2. Main Menu

4.3 System Data

The System Data Main menu item provides access to system information monitored by the PEM.

1. Press Menu to display the list of available menu items.

2. Position the selection arrow beside System Data and press Enter. Use the Scroll buttons to view

the data described in Sections 4.3.1 thru 4.3.4.

3. Press Menu to exit back to the Main menu.

Main Menu (A detail menu map is shown in Appendix A)

System Data Edit Setpoints

Phase Data Calibration

Event Data Rest Values

Min/Max Data Contrast Adjust

View Setpoints Exit Menu

Menu Item

Selection Arrow

Arrows appearing at the

top and/or bottom of the

screen indicate that

additional menu items are

located above and/or

below the current display


Rev. 4 – 3/2007 Page 4-3

4.3.1 System Voltage

The System Voltage displays the average line-to-line, neutral-to-ground, and

line-to-neutral voltage for the connected phases.

4.3.2 System Events

The System Events screen displays the total sum of Surge, Sag, and Swell

events. Refer to Section 4.5 Event Data for details.

Notes: The total number of events that can be entered into the

history log is 5,000.

An event is logged at the beginning and end of each sag or swell

event per phase. Surge events and power reset events count as one.

4.3.3 System Ambient

Frequency is automatically calculated at power up and every 2 seconds thereafter and is accurate to

approximately 0.5% of the actual line frequency. Time is displayed as Hours, Minutes and Seconds, while

the Date is displayed in the order of Year, Month, and Day. The last number to the far right is the

operator’s selected time zone. This is merely a placeholder so the operator can reference the time to a

particular zone.

4.3.4 System Configuration

The System Configuration shows whether the system is a Wye, Delta, or Split Phase configuration. It also

displays the operator’s selected system voltage.

Note: System events are based on the operator’s specified system voltage, line to neutral.

4.4 Phase Data

The Phase Data Main menu item provides access to all phase voltage information monitored by the PEM.


2. Position the selection arrow next to Phase Data and press Enter to display the system’s L-L

phase voltages.

3. For a 4-wire system, press the down Scroll button to toggle between L-L Volts and L-N Volts

as described in Sections 4.4.1 and 4.4.2. Note that for 3-wire systems only L-L voltages are

displayed.


4.4.1 L-L Volts

This screen shows the three line-to-line voltages for both 3- and 4-wire systems.

4.4.2 L-N Volts

This screen shows the three line-to-neutral voltages for 4-wire systems only.

System Events

System Voltage

System Ambient

System Configuration

System Data Menu

VLL Avg = XXXX V

VNG Avg = XXXX V

VLN Avg = XXXX V

Total Events = XXXX

Surge = XXXX

Sag/Swell = XXXX

Frequency XX HZ

Time/Date/Zone

XX.XX.XX XX-XX-XX X

System Y/D/Split

Normal System Volts

XXXVolts

L-N Volts

L-L Volts

Phase Data Menu

VAB = XXXX Volts

VBC = XXXX Volts

VCA = XXXX Volts

VAN = XXXX Volts

VBN = XXXX Volts

VCN = XXXX Volts


Page 4-4 Rev. 4 – 3/2007

4.5 Event Data

The Event Data Main menu item displays the number of various events that

the PEM has detected and stored in its Event History Log. Events consist of

various levels of surge and non-surge (sag/swell) disturbances that the PEM

has identified.


2. Position the selection arrow next to Event Data and press Enter.

Use the Scroll buttons to view the data described in Sections 4.5.1

thru 4.5.11.


4.5.1 Total Events

Total Events are the sum of Surge, Sag, and Swell events and are displayed

on a per-phase basis. It includes Total Events A, B, and C.

4.5.2 Surge Events

Surge Events are displayed in a per phase basis. Surge events are counts

of voltage spikes that have crossed one of three voltage thresholds. The

thresholds are 200%, 300%, and 400% of nominal voltage.

4.5.3 Non-Surge Events

Non-surge (sag/swell) events are displayed on a per phase basis. Non-

surge events are RMS values above or below thresholds for specific periods

of time. Non-surge events can be of one of the following:

Over 120% of nominal for > 0.5 cycle

Over 110% of nominal for > 0.5 second

Under 90% of nominal for > 10 seconds

Under 80% of nominal for > 0.5 second

Under 70% of nominal for > 0.5 cycle

4.5.4 200% Surge Events

The 200% Surge Event displays the number of voltage spikes that occurred,

per phase, which were more than 200% of nominal RMS voltage, but less

than 300% of nominal RMS voltage.

4.5.5 10% Above Non-Surge (Swell)

The 10% Above Non-Surge Event shows the number of occurrences, per phase, that the RMS value

exceeded 10% of nominal.

4.5.6 10% Below Non-Surge (Sag)

The 10% Below Non-Surge Event shows the number of occurrences, per phase, that the RMS value was

below 10% of nominal.


The 300% Surge Event displays the number of voltage spikes that occurred, per phase, which were more

than 300% of nominal RMS voltage, but less than 400% of nominal RMS voltage.

Total Events

Surge Events

Sag/Swell Events

200% Surge Events

10% Swell Events

10% Sag Events

300% Surge Events

20% Swell Events

20% Sag Events

30% Sag Events

Event Data Menu

400% Surge Events

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX


Rev. 4 – 3/2007 Page 4-5

4.5.8 20% Above Non-Surge (Swell)

The 20% Above Non-Surge Event shows the number of occurrences, per phase, that the RMS value

exceeded 20% of nominal.





The 400% Surge Event displays the number of voltage spikes that occurred, per phase, which were more

than 400% of nominal RMS voltage.




4.6 Min/Max Data

The Min/Max Main menu item displays the minimum and maximum voltages

and frequencies monitored by the PEM. In a three-wire system the Sag L-N

and Swell L-N voltages will not be displayed.


2. Position the selection arrow beside Min/Max Data and press Enter.

Use the Scroll buttons to view the data described in Sections 4.6.1

thru 4.6.6.


4.6.1 Sag L-L Voltages

The Sag L-L Voltages will be the lowest, per phase, RMS L-L voltages

captured since the last reset.

4.6.2 Swell L-L Voltages

The Swell L-L Voltages will be the highest, per phase, RMS L-L voltages

captured since the last reset.

4.6.3 Sag L-N Voltages

The Sag L-N Voltages will be the lowest, per phase, RMS L-L voltages captured since the last reset.

4.6.4 Swell L-N Voltages

The Swell L-N Voltages will be the highest, per phase, RMS L-L voltages captured since the last reset.

4.6.5 Min System Frequency

The Min System Frequency is the lowest system frequency seen since the last reset.

4.6.6 Max System Frequency

The Max System Frequency is the highest system frequency seen since the last reset.

Min/Max Data

Sag L-L Voltages

Swell L-L Voltages

Sag L-N Voltages

Swell L-N Voltages

Min System Freq

Max System Freq

Vab = XXXX Volts

Vbc = XXXX Volts

Vca = XXXX Volts

Vab = XXXX Volts

Vbc = XXXX Volts

Vca = XXXX Volts

Van = XXXX Volts

Vbn = XXXX Volts

Vcn = XXXX Volts

Van = XXXX Volts

Vbn = XXXX Volts

Vcn = XXXX Volts

Freq = XX.XX Hz

Freq = XX.XX Hz


Page 4-6 Rev. 4 – 3/2007

4.7 View Setpoints

The View Setpoints Main menu item displays the PEM’s current setpoints.

Note: To change a setpoint, refer to Section 4.8 Edit Setpoints.


2. Position the selection arrow beside View Setpoints and press Enter

to display the View Setpoints menu. The operator can now either

view all setpoints or view one particular setpoint as described in

Sections 4.7.1 thru 4.7.10.

4.7.1 View All

Selecting View All allows the operator to step through all setpoint screens by

pressing the Enter button.

Press Menu at any time to exit back to the View Setpoints menu.

4.7.2 Password Setup

Note: The password only applies to the Display Module interface.

This screen shows if a password is needed to edit any of the setpoints. The

operator will see “n” for no, or “y” for yes.

4.7.3 MODBUS Setup

This screen indicates both the Baud Rate at which the PEM will

communicate over the MODBUS RTU (RS-485) network, and the

hexadecimal network Address assigned to it. The baud rate and the address must be set to the values

required by the network for communication to occur. The MODBUS address should be limited by the

operator to 001 through 0FF (hexadecimal).

4.7.4 IP Address

This screen displays both the current IP Address and IP Mask that the PEM will use to communicate

over a MODBUS TCP (Ethernet) network.

4.7.5 Global IP Address

This screen displays both the current Global IP Address and Gateway IP Address that the PEM will use

communicate over a MODBUS TCP (Ethernet) network.

Note: The Global IP Address is not used at this time.

4.7.6 DNS_IP_Address

This screen displays both the current DNS_IP_Address and TCP Port.

Note: The DNS_IP_Address and TCP port are not used at this time.

4.7.7 System Frequency

This screen shows the system frequency (either 50 or 60 Hz). The line Frequency is automatically

calculated at power up and every 2 seconds thereafter, and is accurate to approximately 0.5% of the

actual line frequency. If the Phase-A signal is not present, the system frequency will revert to the

frequency calculated at the last time the system was powered up.

View Setpoints List

View All

Password Setup

MODBUS Setup

IP Address

IP Mask

Global IP Address

Gateway IP Address

DNS IP Address

TCP Port

System Frequency

System Voltage

Wiring Configuration

BLANK

Exit

Use Password: n/y

Baud Rate = XXXXX

Address = XXX Hex

XXX.XXX.XXX.XXX

XXX.XXX.XXX.XXX

XXX.XXX.XXX.XXX

XXX.XXX.XXX.XXX

XXX.XXX.XXX.XXX

XXX

XX Hz

XXXVolts

X Wire


Rev. 4 – 3/2007 Page 4-7


This screen displays the system’s RMS voltage.

4.7.9 Wiring Configuration

This screen displays the current wiring configuration of either 3 or 4 wire.

4.7.10 Exit

Exits back to the Main menu.

4.8 Edit Setpoints

The Edit Setpoints Main menu item allows the operator to change any of the PEM setpoints or system

parameters.

Note: After changing any setpoint value, it is recommended that the History Log be reset

as described in Section 4.10.7 Reset History Log. Before resetting the History Log,

however, you may want to download the current History Log for archival purposes using

either the PEM Handheld or PEM PC software. This software can be downloaded free of

charge from www.itvss.com. Use the search term “PEM Software”.


2. Position the selection arrow beside Edit Setpoints and press Enter and do one of the following:

If no password is required the Edit Setpoints menu appears. At this time use the Scroll

buttons to select what setpoint or system parameter to change and proceed as described in

Sections 4.8.1 thru 4.8.10.

If a password is required the “Enter Password:” screen appears. Use the Scroll buttons to

increment/decrement the first digit until the desired choice is displayed and then press Enter

to accept that digit and move the cursor to the next digit. Continue this process to enter all

five digits of the password. Pressing Enter at the 5th digit displays the Edit Setpoints menu.

At this time use the Scroll buttons to select what setpoint or system parameter to change and

proceed as described in Sections 4.8.1 thru 4.8.10.

If an incorrect password is entered, the message “Password Incorrect” is displayed. Press Menu

to return to the previous screen and retry re-entering the password. If you forget the password,

contact Eaton’s Power Quality Technical Support Center (phone: 1-800-809-2772) for assistance.

Tip: In the following procedures, note that by holding down a Scroll button when incrementing/

decrementing a display value, the rate at which the value changes will increase.

4.8.1 Edit All

Selecting Edit All allows the operator to step through all setpoint screens and

make changes as required (see Appendix A).

At each setpoint screen, pressing Enter either selects the setpoint to be changed; moves the curser

across the screen; and after all values have been set, downloads the setpoint values to the PEM.

Use the Scroll buttons to edit a setpoint value.

Pressing Menu at any time will exit back to the Edit Setpoints menu.

Edit All



Page 4-8 Rev. 4 – 3/2007

4.8.2 Password Setup

Note: The password only applies to the operation of the Local Display

Module.

This screen allows the operator to select whether a password is required to

change the PEM’s setpoints or system parameters. It also shows the operator

what the password is, or would be, if it were in use.

Factory Default Password is: 00000

With the menu selection arrow next to Use Password, use the Scroll buttons to toggle between y and n.

Press Enter to lock in the desired selection and move the selection arrow down to New Password.

To change the password, first ensure that the selection arrow is next to New Password and that the

cursor is under the first digit of the password. Now use the Scroll buttons to increment/decrement the first

digit until the desired choice is displayed. Press Enter to lock in the selection and move the cursor to the

next digit. Repeat this process until all five digits of the password are entered.

If this procedure completes successfully, pressing Enter at the 5th digit of the New Password will briefly

display the message “Download Successful” followed by the display of the previous screen.

4.8.3 MODBUS Setup

This screen displays the Baud Rate and Address that the PEM uses to

communicate over a MODBUS RTU (RS-485) network.

Note: When multiple PEMs are connected to the network, each PEM

must have the same baud rate and a unique address.

Factory Default Baud Rate is: 19200

Factory Default Address is: 003

To change the Baud Rate, first ensure that the selection arrow is next to Baud Rate and then press either

Scroll button to toggle between 9600 and 19200 baud. Press Enter to lock in the selection and move the

selection arrow down to Address.

To change the Address, first ensure that the selection arrow is next to Address and that the cursor is

under the first digit of the address. Now use the Scroll buttons to increment/decrement the first digit until

the desired choice is displayed. Press Enter to lock in the selection and move the cursor to the next digit.

Repeat this process until all three digits of the address are entered. The operator should limit the

MODBUS address to 001 thru 0FF hex.

If this procedure completes successfully, pressing Enter at the 3rd

digit of the address will briefly display

the message “Download Successful” followed by the display of the previous screen.

4.8.4 IP Address

This screen displays the IP Address and IP Mask that the PEM uses to


Factory Default IP Address is: 192.168.1.2

Factory Default IP Mask is: 255.255.255.0

To change the IP Address, first ensure that the selection arrow is next to IP Address and then use the

Scroll buttons to increment/decrement the first octet of the address until the desired choice is displayed.

Press Enter to lock in the selection and move the selection arrow over to the next octet. Repeat this

Password Setup

Use Password n/y

New Password xxxxx

MODBUS Setup

Baud Rate = XXXX

Address = XXX Hex

IP Address

IP Mask

XXX.XXX.XXX.XXX

XXX.XXX.XXX.XXX


Rev. 4 – 3/2007 Page 4-9

process until all octets of the address are entered. Press Enter to lock in the last selection and move the

selection arrow down to IP Mask.

To change the IP Mask, first ensure that the selection arrow is next to IP Mask, and then use the Scroll

buttons to increment/decrement the first octet of the mask until the desired choice is displayed. Press

Enter to lock in the selection and move the selection arrow over to the next octet. Repeat this process

until all octets of the mask are entered.

Note: The IP Mask can only be set to values of 255.0.0.0, 255.255.0.0, and

255.255.255.0, which corresponds to Network Classes A, B, and C, respectively.

If this procedure completes successfully, pressing Enter at the last octet of the IP Mask will cause the

message “Download Successful” to briefly appear followed by the display of the previous screen.

Note: It will take 10 seconds for any changes to take effect. During this time the three front panel

LEDs will blink and no additional changes can be made. Real time voltages are still available.

4.8.5 Global IP Address

This screen displays the Global IP Address and Gateway IP Address that

the PEM uses to communicate over a MODBUS TCP (Ethernet) network.

Factory Default Gateway IP Address is: 255.255.255.0

Note: The Global IP Address is not used at this time.

To change the Gateway IP Address, first repeatedly press Enter until the selection arrow is next to

Gateway IP Address and then use the Scroll buttons to increment/decrement the first octet of the address

until the desired choice is displayed. Press Enter to lock in the selection and move the selection arrow

over to the next octet. Repeat this process until all octets of the address are entered.

If this procedure completes successfully, pressing Enter at the last octet of the Gateway IP Address will

cause the message “Download Successful” to briefly appear followed by the display of the previous

screen.

Note: It will take 10 seconds for any changes to take effect. During this time the three front panel

LEDs will blink and no additional changes can be made. Real time voltages are still available.

4.8.6 DNS_IP_Address

The screen displays the IP Address and TCP Port that the PEM uses to


Note: DNS_IP_Address and TCP port are not used at this time.

4.8.7 System Frequency

This screen displays the system frequency in Hz. The screen will display

either 50 or 60 Hz.

No operator set up is required.

Although the System Frequency can be changed by the operator, the PEM

will calculate the System Frequency and automatically change this parameter to the correct value.

Global IP Address

XXX.XXX.XXX.XXX

Gateway IP Address

XXX.XXX.XXX.XXX

DNS IP Address

XXX.XXX.XXX.XXX

TCP Port

XXX

System Frequency

XX HZ


Page 4-10 Rev. 4 – 3/2007


The system voltage is the nominal RMS voltage reading the operator wants to

be used for determining Surge, Sag, and Swell conditions based on the ITIC

curve shown in Appendix E.

Note: 4-wire configuration voltages are L-N, while 3-wire

configuration voltages are L-L. Refer to Table 1-1 on Page 1-3 for

appropriate settings.

To specify the System Voltage, press the Scroll buttons to increment/decrement the voltage value until

the desired value is displayed. Press Enter to lock in the selection.

If this procedure completes successfully, pressing Enter will cause the message “Download Successful”

to briefly appear followed by the display of the previous screen.

4.8.9 Wiring Configuration

This screen shows the wiring configuration of the system being monitored.

The screen will display either 3 or 4 Wire.

To specify the wiring configuration, press either Scroll button to toggle

between 3 and 4 Wire. Press Enter to lock in the selection.

Note: Refer to Table 1-1 on Page 1-3 for appropriate settings.



4.8.10 Exit

Press Enter to return to the Main menu.

System Voltage

XXX Volts


X Wire

Exit


Rev. 4 – 3/2007 Page 4-11

4.9 Calibration

The Calibration Main menu item allows the operator to:

View or Change Date and Time

View Calibration Values

View History Log Events

1. Press Menu to view the list of available Main menu items.

2. Position the menu selection arrow next to Calibration and press Enter. Use the Scroll buttons to

select the desired calibration option from the menu, and then press Enter to view the selected

calibration option screen and proceed as described in Sections 4.9.1 thru 4.9.5.

4.9.1 Date/Time

This screen displays the PEM’s current Date and Time settings in the

following formats:

Date YY-MM-DD

Time HH:MM:SS

To set the Date, first ensure that the selection arrow is next to the year value and then use the Scroll

buttons to increment/decrement the year until the desired value is displayed. Press Enter to lock in the

selection and move the selection arrow over to the month value. Continue to use the Scroll and Enter

buttons to set the month and then the day. Press Enter to lock in all the date values and move the

selection arrow down to Time.

To set the Time, first ensure that the selection arrow is next to the hour value and then use the Scroll

buttons to increment/decrement the hours until the desired value is displayed. Press Enter to lock in the

selection and move the selection arrow over to the minute value. Continue to use the Scroll and Enter

buttons to set the minutes and then the seconds.

If this procedure completes successfully, pressing Enter at the last time value will cause the message

“Download Successful” to briefly appear followed by the display of the previous screen.

4.9.2 Time Zone

This screen displays the Time Zone setting in GMT. For example, Eastern

Time for the US and Canada is GMT 5 Hours.

Note: The Time Zone value is not currently utilized.

To specify the Time Zone, press the Scroll buttons to increment/decrement the hour value until the

desired value is displayed. Press Enter to lock in the selection.



Date YY-MM-DD

XX-XX-XX

Time HH.MM.SS

XX.XX.XX

Time Zone

GMT + X Hrs.


Page 4-12 Rev. 4 – 3/2007

4.9.3 Calibration Screen

The factory calibration values for the Phase L-L, Phase-to-Neutral, and

Neutral-to-Ground voltages can only be viewed for troubleshooting

purposes. Calibration values cannot be changed by the operator.

Note: A calibration value of 65535 signifies that the voltage

reading has been disabled due to the reading not being relevant to

the type of system being monitored. See Appendix D.

4.9.4 History Log

An entry in the History Log is called an Event. The Event number is displayed

on the first line of the History Log screen. This Event number is the

highest/total number of Events currently in the log. The data displayed is the

type of Event that occurred along with the time and date of its occurrence.

To view other Events, use the Scroll buttons to scroll to the desired Event number and then press Enter to

download that Event’s data from the History Log. When the screen updates, press Enter again to display

the downloaded data.

Note: Single phase, split phase, and Y models – Events are indicated Phase-Neutral.

Delta models – events are indicated Phase-Phase.

4.9.5 Exit


A-B CalibrationA L-L Calibration XXXXXB L-L Calibration XXXXX

C-NG CalibrationC L-L Calibration XXXXXNG Phase Calibration XXXXX

AN-BN CalibrationA-N Calibration XXXXXB-N Calibration XXXXX

CN CalibrationC-N Calibration XXXXX

Exit

History LogEvent XXXXXX Phase XType (Type of Event)

HH.MM.SS YY-MM-DD


Rev. 4 – 3/2007 Page 4-13

4.10 Reset Values

This Reset Values Main menu item is used to reset system values and parameters to zero; to their current

values; or to their default values.


2. Position selection arrow next to Reset Values and press Enter to display the list of reset options:

Reset Surge

Are you sure? n/y

Reset Surge Event Screen

Rst Surge Event

Rst Sag/Swell Events

Rst All Min/Max

Rst Volts Min/Max

Rst Calibration

Rst Frequency Min/Max

Rst History Log

Exit

Sample Screen:

Each Reset screen

has the same format

Important! After initially setting up the PEM or after changing a system parameter (such as

IP Address, Gateway, and Subnet Mask, etc.) reset all event parameters within the reset menu.

3. Use the Scroll buttons to scroll to the desired reset option, and then press Enter to select and

display the screen for that option. A confirmation screen then appears. Use the Scroll buttons to

toggle between Yes and No. Press Enter to perform the reset action.

4. If Yes is selected and the procedure completes successfully, “Download Successful” briefly

appears. The display then returns to the previous screen. If No is selected, the display returns to

the Reset Values screen.

4.10.1 Reset Surge Events

Sets all Surge Event counts and all related Surge Event Totals to zero. It will also modify any

accumulative totals that count more than just surge.

4.10.2 Reset Sag/Swell Events

Sets all Sag/Swell Event counts and all related Sag/Swell Event Totals to zero. It will also modify any

accumulative totals that count more than just Sag/Swell.

4.10.3 Reset All Min/Max

Sets all Sag/Swell voltages and Min/Max frequencies to their current measured values.

4.10.4 Reset Volts Min/Max

Sets all Sag/Swell voltages to their current measured values.

4.10.5 Reset Calibration

Not functional. Calibration values cannot be changed by the operator.

4.10.6 Reset Frequencies Min/Max

Sets the Min/Max Frequency readings to the current system frequency value.

4.10.7 Reset History Log

Deletes the History Log and resets the event counter to zero.

4.10.8 Exit



Page 4-14 Rev. 4 – 3/2007

4.11 Contrast Adjust

The Contrast Adjust Main menu item is used to adjust the contrast of the

Local Display Module screen.

1. Press Menu to display the list of available options.

2. Position the selection arrow next to Contrast Adjust and press Enter to display the Contrast

Adjust screen.

3. Repeatedly press the Scroll up button to slowly reduce the contrast. Repeatedly press the Scroll

down button to slowly increase the contrast. Press and hold a Scroll button to rapidly change the

contrast. Press the Menu button to exit and return to the Main menu.

Tip: Contrast can be adjusted without entering the Contrast Adjust screen: Press and hold down

the Enter button while pressing the Scroll up arrow (to reduce contrast) or the Scroll down arrow

(to increase contrast).

4.12 Exit Menu

Press Enter to return to the list of System Data.

Contrast Adjust

“Up” to decrease

“Down” to increase

“Menu” to exit


Rev. 4 – 3/2007 Page 5-1

5 NETWORK COMMUNICATION PROTOCOLS

5.1 MODBUS RTU / TCP / IrDA

Communication with the PEM can be established using MODBUS RTU (RS-485), MODBUS TCP

(Ethernet), or IrDA. The following simplified rules apply to a given system consisting of master and

slave devices.

The recommended MODBUS RTU (RS-485) cable is Belden 7897A rated at 600 Volts. Lower insulating

voltage cables such as Belden 3106A (300 volt) may also be used depending on the installation

environment. The maximum system length is 4,000 ft with 120-ohm terminations at both ends. Up to 100

PEM devices can be supported on a network representing 32 RS-485 unit loads. Devices should be wired

in daisy chain fashion. Star configurations are not recommended. Connect the communication cable

shield to ground only once at the MODBUS master device. If there are more than one remote MODBUS

compatible devices wired to the master device, tie the communication cable shields together but do not

connect to ground.

The PEM acts as a MODBUS slave and supports MODBUS addresses 01–FF Hex or 1–255 decimal.

The recommended MODBUS TCP (Ethernet) cable is Category 5E UTP or STP cable. STP (shielded)

Category 5E cable is recommended. The maximum cable length is 328 feet.

5.2 Overview

The contents of MODBUS registers are product objects (e.g., IA – Phase A voltage). Each product object

has a unique register address. Product object data types are represented as 16 or 32 bit integers.

5.3 Function Codes

The PEM responds to a limited number of MODBUS function codes. These codes are:

03 - Read Register

04 - Read Register

10 - Write Register

5.4 Standard Read Registers

The PEM supports the following MODBUS registers.

Value Address (Hex) Data Type

VAB

VBC

VCA

VLL AVG

180E

1810

1812

1814

32-bit integer

32-bit integer

32-bit integer

32-bit integer

VAN

VBN

VCN

VLN AVG

VNG

1816

1818

181A

181C

181E

32-bit integer

32-bit integer

32-bit integer

32-bit integer

32-bit integer


Page 5-2 Rev. 4 – 3/2007


Real Time Frequency 1820 32-bit integer

Total Events – A

Total Events – B

Total Events – C

7000

7002

7004

32-bit integer

32-bit integer

32-bit integer

Surge Events – A

Surge Events – B

Surge Events – C

7006

7008

700A

32-bit integer

32-bit integer

32-bit integer

Non-Surge Events – A (Sag/Swell)

Non-Surge Events – B (Sag/Swell)

Non-Surge Events – C (Sag/Swell)

History Log Event

700C

700E

7010

7012

32-bit integer

32-bit integer

32-bit integer

32-bit integer

200%Surge Events – A

200%Surge Events – B

200%Surge Events – C

7020

7022

7024

32-bit integer

32-bit integer

32-bit integer

10% Swell Events – A (Swell)

10% Swell Events – B (Swell)

10% Swell Events – C (Swell)

10% Sag Events – A (Sag)

10% Sag Events – B (Sag)

10% Sag Events – C (Sag)

7026

7028

702A

702C

702E

7030

32-bit integer

32-bit integer

32-bit integer

32-bit integer

32-bit integer

32-bit integer




7032

7034

7036

32-bit integer

32-bit integer

32-bit integer

20% Swell Events – A (Swell)

20% Swell Events – B (Swell)

20% Swell Events – C (Swell)

7038

703A

703C

32-bit integer

32-bit integer

32-bit integer




703E

7040

7042

32-bit integer

32-bit integer

32-bit integer




7044

7046

7048

32-bit integer

32-bit integer

32-bit integer




704A

704C

704E

32-bit integer

32-bit integer

32-bit integer


Rev. 4 – 3/2007 Page 5-3

5.5 Setpoints

These locations are read/write accessible (except where noted).


IP Address

IP Mask

Global IP Address (Future)

Gateway IP Address

DNS (Future)

TCP (Future)

Password

Firmware Revision & Version

(Non supported registers)

System Wiring

Frequency Select

MODBUS Baudrate

MODBUS Address

Telnet port (Future)

System Voltage

Pt Ratio (Future)

A LL Cal*

B LL Cal*

C LL Cal*

NG Cal*

Phase AN Cal*

Phase BN Cal*

Phase CN Cal*

Zone

Clock Calibration (Future)

NAME1

NAME2

NAME 3

NAME 4

NAME 5

NAME 6

NAME 7

NAME 8

NAME 9

NAME 10

Max Frequency*

Min Frequency*

Time and Date

8000

8002

8004

8006

8008

800A

800C

800E

8010–801F

8020

8021

8022

8023

8024

8025

8026

8027

8028

8029

802A

802B

802C

802D

802E

802F

8030

8031

8032

8033

8034

8035

8036

8037

8038

8039

803A

803B

2AEA

32-bit Integer

32-bit Integer

32-bit Integer

32-bit Integer

32-bit Integer

32-bit Integer

32-bit Integer

32-bit Integer

32-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

16-bit Integer

* Read only register


Page 5-4 Rev. 4 – 3/2007

5.6 Time (UTC or Local)

The time and date registers are independent of any operating system and are in a format that is

compatible with both local time and UTC (Coordinated Universal Time). A zone offset register is used to

convert the PEM to UTC.

Bytes Definition for Time Download

AA Address: All MODBUS slaves understand that Address 00 is a broadcast and do not respond

16 MODBUS Write Multiple Registers Function

2A Starting Register 987–1 (986dec=0x3da)

EA

00 Write a Quantity of 0005 registers

05

0A 10 additional bytes

ZZ:U Bit 0 – UTC/local~, Bit 1–7 signed time zone offset (0.25h units) (Future)

MS:D Bit0-3 day of week (1–7) Bit4-7 1/1000 sec (0–9) (Future)

NN 1/100 sec (00–99) (Future)

SS Second (00–59)

Mm Minute (00–59)

HH Hour (00–23)

DD Day (1–31)

MM Month (1–12)

YY Year (00–99, 20YY assumed)

XX Bit 0 – DST Active Bit 1–7 signed DST offset (0.25h units) (Future)

CRC16

CRC16

5.7 Reset Commands

Reset Commands will be sent to a control register at location 03DF. It will follow the format displayed

below. Operator ID and Password will be ignored by the PEM.

5.8 Controls

A number of controls are required; however, security requirements are such that authentication is

required. WebPages will require Usernames and Passwords to get the appropriate level of authorization.

To implement this in MODBUS, each control function consists of a 4-byte Control Fnction, 8-character

User ID, and 8-character Password. Some control codes are truly controls while others set flags that

permit other functions to work, such as writing blocks of settings.

For a broadcasted control function to work, each base unit must recognize the User ID and Password.

The controls tunnel through a single register so that the control, the User ID, or Password cannot be read back.


Rev. 4 – 3/2007 Page 5-5

Bytes Definition for a Protected Control Function

AA Address: All MODBUS slaves understand that Addr 00 is a broadcast and do not respond

16 MODBUS Write Multiple Registers Function

2A Control Register 992–1 (991dec=0x3DF)

EF

00 14 registers

0E

1C 28 bytes

00 3 parameters to follow

03

01 Parameter #1 is a Control Function Code

04 4 bytes in parameter #1

C#3 C#3=0 for std control (i.e., non-zero is product specific)

C#2 Control Function #cccccc

C#1

C#0

02 Parameter #2 is a User ID

08 8 characters in parameter #2

ID User ID char0 (Future)








03 Parameter #3

08 8 characters in parameter #3 is a Password

PP Password char0 (Future)








CRC16

CRC16

Either 14(16 Bit) registers or 28(8Bit) registers are sent

but not both.


Page 5-6 Rev. 4 – 3/2007

Use the following reset values.

Standard Control Definitions

(BYTE3=0) (C#3) BYTE2 (C#2) BYTE1 (C#1) BYTE0 (C#0)

Reset History Log 0 0 20H

Reset Surge and Non-Surge events 0 1 2

Reset all min/max values 0 1 4

Reset Min/Max Frequency 5 0 0

Reset Comm Stats (Future) 5 0 1

Reset All Voltages 5 0 2

Reset NVRAM (Future) 5 0 3

Reset Surge Only Events 5 0 4

Reset Non-Surge only Events 5 0 5

Reset Calibration 5 0 6

5.9 History Log

Value Fixed Address Data Type

History Log Record 6000 – 6028 80 Character String

Present Event Pointer 7012 32-bit Integer

Event Number 8010 32-bit Integer

The History Log Record will be at address 6000 – 6028. Every event will result in an 80 ASCII character

response. This is stored in consecutive holding registers staring at address 6000 hex. Place the event

number in History Offset at address 8012 hex and then read back the 80-character result.

History Log Event at location 7012 is the present Event pointer. History offset at 8010 is the Event pointer

the operator changes. Location 6000 is the ASCII information on a specific event.

Note: The total number of events that can be entered into the history log is 5,000.

Note: An event is logged for the beginning and end of each non-surge event per phase. Surge

events and power-reset events can’t count as one.


Rev. 4 – 3/2007 Page 5-7

5.10 Block of Registers

Using the 04 MODBUS command you can read any block. The beginning address and the size of the

block are the elements of the 04 command. Below is an example of a message for the retrieval of data.

The register data in the response message are packed as two bytes per register. For each register, the

first byte contains the high-order bits and the second contains the low-order bits.

Table 5-1. Example Messages

Field Name Example (HEX)

Slave Address TBD

Function 04

Starting Address Hi 18

Starting Address Lo 03

Number of Points Hi 00

Number of Points Lo 02

Error Check (LRC or CRC) --

Because all of the data is stored as a 32 bit value, retrieve two registers to get the result. For example:

One item is made up of 4 bytes of information. Using Table 5-1 locate the MODBUS address of 1804, this

is the numeric object or item for IB. Each item (in this example IB) equals 2 registers. Each register equals

2 bytes, therefore 1 item (IB) equals 4 bytes.

There are two locations that are not 32 bit signed integers, “status cause” and “product ID”. These two

locations will give valid single register (two byte) response and respond in the following format.


Page 5-8 Rev. 4 – 3/2007

5.11 Understanding Address 1800 and 1801

Address 1800 and 1801 are made up of three fields, Primary, Secondary, and Cause. The Primary field is

the high byte of address 1800. The Secondary field is the low byte of 1800. The Cause field is all of

address 1801. Values found in these three fields are defined in Table 5-2.

Table 5-2. Example Responses


Slave Address TBD

Function 04

Byte Count 04

Data Hi (Bits 15 through 8) 01

Data Lo (Bits 7 through 0) 02

Data Hi (Bits 31 through 24) 00

Data Lo (Bits 23 through 16) 0A


Slave Address TBD

Function 04

Byte Count 04

Data Hi (Register X (1800)) 01

Data Lo (Register X (1800)) 02

Data Hi (Register X+1 (1801)) 00

Data Lo (Register X+1 (1801)) 0A


Definition Cause Field

Energy Error 2 Decimal

RAM Error 39 Decimal

ROM Error 43 Decimal

Calibration Error 113 Decimal

External RAM Error 44 Decimal

Setpoint Error 77 Decimal

No Error 1 Decimal

Definition Primary Secondary

Active 9 Decimal 0 Decimal

Active 4 Decimal 8 Decimal


Rev. 4 – 3/2007 Page 5-9

Table 5-3 is an example of the “slave action” command, which will reset all min/max values.

The normal response returns the slave address, function code, starting address and quantity of registers

preset. Table 5-4 is an example of a response to the query shown in Table 5-3.

The types of “slave action” request are defined in the following tables.

Table 5-3. Example Slave Actions


Slave Address TBD

Function 10

Address Hi 62

Address Lo 00

Quantity of Registers Hi 00

Quantity of Registers Lo 03

Byte Count 06

Slave Action Byte 1 01


Don’t Care XX


Don’t Care XX

Don’t Care XX


Table 5-4. Example Responses


Slave Address TBD

Function 10

Starting Address Hi 62

Starting Address Lo 00

Number of Registers Hi 00

Number of Registers Lo 03



Page 5-10 Rev. 4 – 3/2007

Notes:


Rev. 4 – 3/2007 Page 6-1

6 TROUBLESHOOTING & MAINTENANCE

6.1 General

WARNING! To avoid electrical shock hazard, de-energize the PEM and follow safe work

practices when working inside the PEM’s protective enclosure.

6.1.1 Level of Repair

Table 6-1 PEM Troubleshooting Guide lists the most probable causes and remedies for problems that

may occur with the PEM. This guide will identify abnormal operating conditions, misadjusted software

parameters, and failures at the circuit board level. This guide is not intended to identify component-level

failures.

During the warranty period, all repairs must be performed by an authorized representative of Eaton

Corporation. Any repairs performed by an unauthorized service organization will void the PEM’s warranty

and release Eaton of any implied or written product liability.

Replace a faulty circuit board with a spare board. Do not attempt to replace any component on a printed

circuit board; doing so will invalidate regulatory agency approvals.

6.1.2 Maintenance and Care

The PEM is designed to be a self-contained unit containing no internal adjustments. The only routine

maintenance required is the periodic cleaning of the enclosure’s outside surfaces.

CAUTION: Wipe the outside of the enclosure with a clean, dry cloth only. Do not use water or

solvents of any kind.


Page 6-2 Rev. 4 – 3/2007

6.2 Troubleshooting Guide

Table 6-1 lists the most probable causes and remedies for problems that may occur with the PEM.

If the information provided does not solve the problem, or for help with any problem that is not listed,

please contact Power Quality Technical Support at 1-800-809-2772. Refer to Section 6.4 Technical

Assistance for additional contact information.

Table 6-1. PEM Troubleshooting Guide

Symptom Probable Cause Possible Solution

One or more phase

voltages read

incorrectly

Incorrect calibration Reset calibration to factory values using

the Local Display Module per Section

4.10.5.* If necessary, modify the

calibration values per Sections 4.9.3 thru

Error! Reference source not found..

LEDs flashing

Measured phase voltage is

outside the ±10% system voltage

setting, but is greater than 70 Vac

System voltage is incorrect

Incorrect calibration

Determine cause of high or low voltage

condition and correct.

Determine the nominal system voltage

and set PEM to that voltage using the

Local Display Module per Section 4.8.8.*

Reset calibration to factory values using

the Local Display Module per Section

4.10.5.*

LEDs dark Phase voltage(s) missing

Incorrect Power Supply wiring

Faulty fuse within PEM

Faulty Power Supply or Processor

I/O Board

Ensure that all phase voltages are being

applied to the TVSS unit.

Check power supply wiring per

Section 3.2.

If fuse is blown, determine cause of

overload. Replace faulty fuse with a fuse

of the same size and amperage.

Contact Technical Support. Refer to

Section 6.4.

PEM fails to communi-

cate with PDA via IrDA

Incorrect MODBUS address

Blocked view of transceiver (PEM

or PDA)

Too far away from PEM

Excessive ambient light

PDA not responding

Erratic or failed communications

Use MODBUS address scan feature of

PEM Hand Held Software to identify

address (factory default 3).

Clear obstructions.

Position PDA closer to PEM

Shade IrDA transceivers

Close and re-launch software application

on PDA, or restart PDA.

Check battery of PDA, charge if

necessary.


Rev. 4 – 3/2007 Page 6-3

Table 6-1. PEM Troubleshooting Guide

Symptom Probable Cause Possible Solution

PEM fails to

communicate over

MODBUS RTU

(RS-485) network

Incorrect MODBUS address

Incorrect MODBUS baud rate

Communication wiring error

Configure communication software or the

PEM for the same MODBUS address

(factory default 3) using the Local

Display Module per Section 4.8.3.*


PEM for the same MODBUS baud rate

(factory default 19200) using the Local


Verify that wiring is correct. Refer to

Section 3.3.

PEM fails to

communicate over

MODBUS TCP

(Ethernet) network

Incorrect IP address

Incorrect IP mask

Incorrect Ethernet cable

Local area network troubles


PEM for the same IP address (factory

default 192.168.1.2) using the Local



PEM for the same IP mask (factory

default 255.255.255.0) using the Local


Use a crossover cable for direct

connection to a PC. Use a standard

patch cable (non-crossover) when

connecting PEM to a LAN through a hub,

router, or switch.

Contact your local IT Department.


LCD screen is blank,

but all other PEM

functions are normal

Contrast set too low

Faulty cable connection

Faulty Local Display Module

Press and hold the ENTER button while

pressing the “down” scroll button to

increase the contrast.

Check module’s cable connection to

PEM. Refer to Section 3.3.3.

Replace with new module.


displays asterisks in

place of data

Faulty cable connection

Excessive MODBUS

communications

Faulty Local Display Module or

Processor I/O Board

Check module’s cable connection to

PEM. Refer to Section 3.3.3.

Reduce MODBUS communications.

Contact Technical Support. Refer to

Section 6.4.


displays garbled

characters

Excessive communications over

multiple communication lines

Reduce MODBUS communications.

* PEM parameters can also be changed by using either the PEM Handheld Software (IM01005004E), or

PEM PC Software (IM01005006E).


Page 6-4 Rev. 4 – 3/2007

6.3 Error Codes

Table 6-2 lists the standard MODBUS error codes.

Table 6-2. MODBUS Error Codes

Code Name Meaning

01 ILLEGAL FUNCTION The function code received in the query is not an allowable action for

the slave. If a Poll Program Complete command was issued, this code

indicates that no program function preceded it.

02 ILLEGAL DATA ADDRESS The data address received in the query is not an allowable address for

the slave.

03 ILLEGAL DATA VALUE A value contained in the query data field is not an allowable value for

the slave.

04 SLAVE DEVICE FAILURE An unrecoverable error occurred while the slave was attempting to

perform the requested action.

05 ACKNOWLEDGE The slave has accepted the request and is processing it, but a long

duration of time will be required to do so. This response is returned to

prevent a timeout error from occurring in the master. The master can

next issue a Poll Program Complete message to determine if

processing is completed.

06 SLAVE DEVICE BUSY The slave is engaged in processing a long-duration program command.

The master should retransmit the message later when the slave is free.

07 NEGATIVE ACKNOWLEDGE The slave cannot perform the program function received in the query.

This code is returned for an unsuccessful programming request using

function code 13 or 14 decimal. The master should request diagnostic

or error information from the slave.

08 MEMORY PARITY ERROR The slave attempted to read extended memory, but detected a parity

error in the memory. The master can retry the request, but service may

be required on the slave device.


Rev. 4 – 3/2007 Page 6-5

6.4 Technical Assistance

For additional information, technical assistance, or referral to a local authorized distributor, contact Power

Quality Technical Support at 1-800-809-2772 (outside the United States please call 1-414-449-7100).

You can also email us at [email protected] or visit us on the web at www.itvss.com and follow the

power management products link.

This instruction manual is published solely for information purposes and should not be considered all-

inclusive. If further information is required, you should consult Eaton. Sale of product shown in this

literature is subject to terms and conditions outlined in appropriate Eaton selling polices or other

contractual agreements between the parties. This literature is not intended to and does not enlarge or add

to any such contract. The sole source governing the rights and remedies of any purchaser of this

equipment is the contract between the purchaser and Eaton.

NO WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING WARRANTIES OF FITNESS FOR A

PARTICULAR PURPOSE OF MERCHANTABILITY, OR WARRANTIES ARISING FROM COURSE OF

DEALING OR USAGE OF TRADE, ARE MADE REGARDING THE INFORMATION, RECOMMENDA-

TIONS, AND DESCRIPTIONS CONTAINED HEREIN.

In no event will Eaton be responsible to the purchaser or user in contract, or tort (including negligence), strict

liability or otherwise for any special, indirect, incidental or consequential damage or loss whatsoever, including

but not limited to damage or loss of use of equipment, plant or power system, cost of capital, loss of power,

additional expenses in the use of existing power facilities or claims against the purchaser or user by its

customers resulting from the use of the information, recommendations, and description contained herein.

6.5 Warranty

Eaton warrants the PEM for a period of 1 year from the date of delivery to the purchaser to be free from

defects in both workmanship and materials. The PEM may be replaced with new or refurbished parts at the

discretion of Eaton during this 1-year warranty period. Installation of replacement parts is NOT included as

part of this warranty. The PEM is warranted independently from the Protector Series TVSS device that it is

connected to. Should failure of the TVSS result in failure of the PEM during the TVSS warranty period, the

complete assembly (TVSS and PEM) shall be replaced in accordance with the TVSS warranty policy.

Eaton assumes no risk or liability for results of the use of the products purchased from it, including but

without limiting the generality of the foregoing: (1) The use in combination with any electrical or electronic

components, circuits, systems, assemblies or any other materials or substances; (2) Unsuitability of any

product for use in any circuit or assembly. Purchaser’s rights under the warranty shall consist solely of

requiring Eaton to repair or at Eaton’s sole discretion, replace, free of charge, F.O.B. factory, and

defective items received at said factory within said term determined by Eaton to be defective. The giving

of or failure to give any advice or recommendations by Eaton shall not constitute any warranty by or

impose any liability upon Eaton. The foregoing constitutes the sole and exclusive remedy of the

purchaser and the exclusive liability of Eaton AND IS IN LIEU OF ANY AND ALL OTHER WARRANTIES

EXPRESSED, IMPLIED OR STATUTORY AS TO THE MERCHANTABILITY, FITNESS FOR PURPOSE

SOLD, DESCRIPTION, QUALITY, and PRODUCTIVENESS OR ANY OTHER MATTER.

In no event shall Eaton be liable for special or consequential damages or for delay in performance of

the warranty.

This warranty does not apply if the product has been misused, abused, altered, tampered with, or use in

applications other than specified on the nameplate. At the end of the warranty period, Eaton shall be

under no further warranty obligation expressed or implied.

The product covered by this warranty certificate can only be repaired or replaced by the factory. Please

contact an authorized Eaton master distributor for warranty inquires and/or replacement.

mailto:[email protected]



Page 6-6 Rev. 4 – 3/2007

Notes:


Rev. 4 – 3/2007 Page A-1

APPENDIX A: LOCAL DISPLAY MODULE MENU MAP

This appendix displays all the screens of Local Display Module in a map-like fashion as a reference guide

for the operator.

Enter – Press to select a

highlighted menu item or to

confirm the entry of data into

memory

Menu – Press to step through

the Main menu items

Display Screen – Shows

system data and the PEM’s

operating parameters as

selected by the Menu, Enter,

and Scroll buttons.

Scroll – Press the up and

down arrow buttons to scroll

through the data associated

with the selected Main menu

item, or to change the value of

a parameter


Page A-2 Rev. 4 – 3/2007

PEM Display Module Menu Map

Scroll

System Voltage

VLL Avg = XXXX V

VNG Avg = XXXX VXXXX VVLN Avg =

System Events

Total Events = XXXX

Surge = XXXXSag/Swell = XXXX

Sag L-L Voltages

Vab = XXXX Volts

Vbc = XXXX Volts

Vca = XXXX Volts

Swell L-L Voltages

Vab = XXXX Volts

Vbc = XXXX Volts

Vca = XXXX Volts

Total Events

A = XXXX

B = XXXX

C =

A =

B =

C =XXXX

Surge Events

XXXX

XXXX

XXXX

VAB = XXXX Volts

VBC = XXXX Volts

VCA = XXXX Volts

L-N VoltsL-L Volts

VAN = XXXX Volts

VBN = XXXX Volts

VCN = XXXX Volts

System Data

Phase Data

Event Data

Min/Max Data

* View SetPoints

** Edit Setpoints

** Calibration

Reset Values

Contrast Adjust

Exit Menu

Menu

View All

OR

Edit All

Password Setup

MODBUS Setup

IP Address

Global IP Address

DNS IP Address

System Frequency

System Voltage


Exit

Select View All to

view all values.

Select Edit All to

edit all values.

Use Scroll keys to

view or edit

individual values.

* Use Enter key to step through

setpoints.

** To edit values:

1.Scroll to the desired screen;

then press Enter.

2.Use Scroll keys to enter new

value.

3.Press Enter key to confirm

entry, and then exit.

Rst Surge Events

Rst Sag/Swell Events

Rst All Min/Max

Rst Volts Min/Max

Rst Calibration

Rst Frequency Min/Max

Rst History Log

Exit

“UP” Scroll key decreases contrast

“Down” Scroll key increases contrast

“Menu” key to exit

Exits back to System Data menu.

Press Menu

key to return

to Main menu

Date/Time

Time Zone

A-B Calibration

C-NG Calibration

AN-BN Calibration

CN Calibration

History Log

Exit


Rev. 4 – 3/2007 Page A-3

PEM Display Module Menu Map, cont.

Swell L-N Voltages

Van = XXXX Volts

Vbn = XXXX Volts

Vcn = XXXX Volts

Min System Freq

Freq = XX.XX Hz

Max System Freq

Freq = XX.XX Hz

Password Setup

Use Password: n/y

Password Setup

Use Password: n/yNew Password: xxxxx

MODBUS Setup

Baud Rate = XXXXX XXX.XXX.XXX.XXX

XXX.XXX.XXX.XXX

XXX.XXX.XXX.XXX

XXX.XXX.XXX.XXX

XXX.XXX.XXX.XXX

Address = XXX Hex

IP Address

IP Mask

Global IP Address

Gateway IP Address

DNS IP Address

TCP Port

XXX

System Frequency

XX Hz

System Voltage

XXXX Volts

Exit

Returns to the Main

menu

Reset Surge

Are you shure? n/y

Exit

OR

Sag/SwellEvents

200% SurgeEvents

10% SagEvents

20% SwellEvents

20% SagEvents

30% SagEvents

10% SwellEvents

System Ambient

Frequency XX HzTime/Date/Zone

XX.XX.XX XX-XX-XX X

System Configuration

System Y/D/SplitNominal System Volts

XXX Volts

XXXXA L-L Calibration C L-L Calibration

B L-L Calibration

XXXX

XXXX

XXXXNG Phase Calibration

GMT + X Hours

Date YY-MM-DD

XX-XX-XX

Time HH.MM.SS

XX.XX.XX

A-N Calibration

XXXXB-N Calibration

XXXX

C-N Calibration

XXXX

Event XXXXX Phase X

Type

HH.MM.SS YY-MM-DD

(Type of Event)

Time Zone A-B Calibration C-NG Calibration

AN-BN Calibration CN Calibration History Log

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

A = XXXX

B = XXXX

C = XXXX

300% SurgeEvents

400% SurgeEvents

Sag L-N Voltges

Van = XXXX Volts

Vbn = XXXX Volts

Vcn = XXXX Volts

Returns to the Main

menu.

if View All or Edit All

was selected,

pressing Enter returns

to the View/Edit

Setpoints menu.

Select a set of values to be reset by pressingEnter to display its

confirmation screen.

• Use the up/down Scroll keys to select “y” for Yes or “n” for No.

• Press Enter to confirm.

• If “y” is confirmed, the message, “Download Successful” is

briefy displayed followed by ResetValues list.

Example of Reset

Confirmation Screen

Press Menu

key to return

to Main menu

Press Menu

key to return

to Main menu

Press Menu

key to return

to Main menu


X Wire


Page A-4 Rev. 4 – 3/2007

Notes:


Rev. 4 – 3/2007 Page B-1

APPENDIX B: MODBUS ADDRESS REFERENCE

Decimal Hex Decimal Hex Decimal Hex Decimal Hex Decimal Hex Decimal Hex

1 01 51 33 101 65 151 97 201 C9 251 FB

2 02 52 34 102 66 152 98 202 CA 252 FC

3 03 53 35 103 67 153 99 203 CB 253 FD

4 04 54 36 104 68 154 9A 204 CC 254 FE

5 05 55 37 105 69 155 9B 205 CD 255 FF

6 06 56 38 106 6A 156 9C 206 CE

7 07 57 39 107 6B 157 9D 207 CF

8 08 58 3A 108 6C 158 9E 208 D0

9 09 59 3B 109 6D 159 9F 209 D1

10 0A 60 3C 110 6E 160 A0 210 D2

11 0B 61 3D 111 6F 161 A1 211 D3

12 0C 62 3E 112 70 162 A2 212 D4

13 0D 63 3F 113 71 163 A3 213 D5

14 0E 64 40 114 72 164 A4 214 D6

15 0F 65 41 115 73 165 A5 215 D7

16 10 66 42 116 74 166 A6 216 D8

17 11 67 43 117 75 167 A7 217 D9

18 12 68 44 118 76 168 A8 218 DA

19 13 69 45 119 77 169 A9 219 DB

20 14 70 46 120 78 170 AA 220 DC

21 15 71 47 121 79 171 AB 221 DD

22 16 72 48 122 7A 172 AC 222 DE

23 17 73 49 123 7B 173 AD 223 DF

24 18 74 4A 124 7C 174 AE 224 E0

25 19 75 4B 125 7D 175 AF 225 E1

26 1A 76 4C 126 7E 176 B0 226 E2

27 1B 77 4D 127 7F 177 B1 227 E3

28 1C 78 4E 128 80 178 B2 228 E4

29 1D 79 4F 129 81 179 B3 229 E5

30 1E 80 50 130 82 180 B4 230 E6

31 1F 81 51 131 83 181 B5 231 E7

32 20 82 52 132 84 182 B6 232 E8

33 21 83 53 133 85 183 B7 233 E9

34 22 84 54 134 86 184 B8 234 EA

35 23 85 55 135 87 185 B9 235 EB

36 24 86 56 136 88 186 BA 236 EC

37 25 87 57 137 89 187 BB 237 ED

38 26 88 58 138 8A 188 BC 238 EE

39 27 89 59 139 8B 189 BD 239 EF

40 28 90 5A 140 8C 190 BE 240 F0

41 29 91 5B 141 8D 191 BF 241 F1

42 2A 92 5C 142 8E 192 C0 242 F2

43 2B 93 5D 143 8F 193 C1 243 F3

44 2C 94 5E 144 90 194 C2 244 F4

45 2D 95 5F 145 91 195 C3 245 F5

46 2E 96 60 146 92 196 C4 246 F6

47 2F 97 61 147 93 197 C5 247 F7

48 30 98 62 148 94 198 C6 248 F8

49 31 99 63 149 95 199 C7 249 F9

50 32 100 64 150 96 200 C8 250 FA


Page B-2 Rev. 4 – 3/2007

Notes:


Rev. 4 – 3/2007 Page C-1

APPENDIX C: FACTORY DEFAULT VALUES

PEM

Device Name ??????????

MODBUS Address 3

MODBUS Baudrate 19200

Password 00000

IP Address 192.168.1.2

IP Mask 255.255.255.0

Gateway IP Address 255.255.255.255

Frequency Measured by PEM

Calibration Factory Calibrated Values

PDA

File Storage Directory My Documents

File Storage Name History

File Storage Type Comma Separated Variable (CSV)


Page C-2 Rev. 4 – 3/2007

Notes:


Rev. 4 – 3/2007 Page D-1

APPENDIX D: FEATURES BY MODEL

Model 1P101 1P201 1S101 3Y101 3Y201 3Y300 NN201 NN400 NN501

System Wiring 4 4 4 4 4 4 3 3 3

System Voltage 120 240 120 120 277 347 240 480 600

LEDs

A (L-N)

B (L-N)

C (L-N)

A (L-L)

B (L-L)

C (L-L)

Voltages

VAB

VBC

VCA

VLL – Avg

VAN

VBN

VCN

VLN – Avg

VNG

Total Events

A

B

C

Surge Events

A

B

C

Surge – 200/300/400 (%)

A

B

C

Swell – 10/20 (%)

A

B

C

AB

BC

CA

Sag – 10/20/30 (%)

A

B

C

AB

BC

CA

Sag/Swell Events

A

B

C

AB

BC

CA


Page D-2 Rev. 4 – 3/2007

Notes:


Rev. 4 – 3/2007 Page E-1

APPENDIX E: ITIC (CBEMA) CURVE


Page E-2 Rev. 4 – 3/2007

Notes:


Rev. 4 – 3/2007 Page E-3

Notes:

Eaton Corporation

1000 Cherrington Parkway Moon Township, PA 15108-4312

USA

www.itvss.com

© 2006–2007 Eaton Corporation For additional information please call: All Rights Reserved Power Quality Technical Support Center Publication No. IM01005003E

1-800-809-2772 Rev. 4 – March 2007
