2002 is catalog - steven engineeringstevenengineering.com/tech_support/pdfs/32iaintrans.pdf · 48...

2002 IS Catalog

46 Pepperl+Fuchs® Inc. • Telephone (330) 486-0002 • FAX (330) 425-4607E-mail: [email protected] • www.am.pepperl-fuchs.com

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Introduction .............................................................................................................................. 47Transmitter Power Supply (28 V entity parameter)

KFD2-CR-Ex1.30.200 (2-wire transmitter) .......................................................................................... 48KFD2-CR-Ex1.30.300 (2- or 3-wire transmitter) .................................................................................. 49KFD2-CR-Ex1.30.300 90C (2- or 3-wire, sink mode output) .............................................................. 50KFD2-CR-Ex1.30.340 (2- or 3-wire, 4-20 mA input, 0-20 mA output) ................................................ 51KFD2-CV-Ex1.30.305 (2- or 3-wire, 0/4-20 mA input, 0/1-5 V output) ............................................... 52KFD2-CV-Ex1.30.310 (2- or 3-wire, 0/4-20 mA input, 0/2-10 V output) ............................................. 53

Transmitter Power Supply (20 V Entity Parameter)KFD2-CR-Ex1.20.200 (2-wire, 4-20 mA input and output) ................................................................. 54KFD2-CR-Ex1.20.300 (2- or 3-wire, 0/4-20 mA input and output) ..................................................... 55

SMART Transmitter Power Supply (0-12 kHz)KFD2-STC1-Ex1 (SMART, 4-20 mA input and output) ....................................................................... 56KFD2-STV1-Ex1 (SMART, 4-20 mA input, 1-5 V output) .................................................................... 57

SMART Transmitter Power Supply (0-40 kHz)KFD2-STC3-Ex1 (4-20 mA input and output) ..................................................................................... 58KFD2-STV3-Ex1-1 (4-20 mA input, 1-5 V output) ............................................................................... 59KFD2-STV3-Ex1-2 (4-20 mA input, 2-10 V output) ............................................................................. 60

HART Transmitter Power SupplyKFD2-STC4-Ex1 (dual-channel, 4-20 mA input and output) ................................................................ 61KFD2-STC4-Ex2 (dual-channel, 4-20 mA input and output) ................................................................ 62KFD2-STC4-Ex2-Y72195 (dual-channel, sink mode output) ............................................................... 63KFD2-STC4-Ex1.20 (single-channel, 2 outputs) .................................................................................. 64KFD2-STC4-Ex1.20-Y72216 (single-channel, sink mode output) ........................................................ 65

2002 IS Catalog

47Pepperl+Fuchs® Inc. • Telephone (330) 486-0002 • FAX (330) 425-4607E-mail: [email protected] • www.am.pepperl-fuchs.com

Transmitter power supplies transfer 4-20 mA signals from transmitters in hazardous areas andsupply them with power. They deliver an electrical signal that is proportional to a measured valuesuch as temperature, pressure or flow from hazardous areas to safe areas. The power supply andsignal are transferred through the same conductors in 2-wire transmitters allowing only 4-20 mAsignals. The power supply and signal are isolated from one another in 3-wire transmitters allowingfor 0 mA signals. These mA signals can then be repeated on the safe side of the isolator or can beconverted to other usable signals such as voltage. SMART transmitter power supplies repeat thetransmitter current in addition to a digital signal, which is modulated onto the 4-20 mA signal.

SMART transmitters can be calibrated remotely. This allows the transmitter’s span and zero set pointto be modified in the safe area and information on scheduled maintenance or statistical data to beaccessed on-line. SMART transmitters normally operate in a 2-wire mode. This 2-wire connectionis usually interfaced with a hand-held terminal or a PC for data transmission or accumulation.

P+F SMART transmitter power supplies are shipped with terminal blocks to allow easy access tocommunication leads. SMART transmitters from ABB, Bailey, Chessel, Edress+Hauser, Fisher-Rosemount, Foxboro, Honeywell, Smar and Yokogawa have been successfully tested with P+Fisolators. Please note that some higher communication frequencies require use of the KFD2-STC3-Ex1 or the KFD2-STV3-Ex1. These isolators are rated for frequencies up to 40 kHz.

Introduction

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Pepperl+Fuchs® Inc. • Telephone (330) 486-0002 • FAX (330) 425-4607E-mail: [email protected] • www.am.pepperl-fuchs.com

KFD2-CR-Ex1.30.200

KFD2-CR-Ex1.30 200

7

TransmitterPower Supply

This single-channel isolator powers andrepeats the 4-20 mA signal from a 2-wire transmitter in hazardous areas.

It has an open circuit voltage of 25 Vwith a minimum of 17.6 V at 20 mA. Thetransmitter must be connected toterminals 1 and 3 so the 4-20 mAtransmitter current f lows into themeasurement circuit via terminal 3.

A maximum load of 1 kΩ can beconnected between terminals 7 and 8.

Single-channel

2-wire transmitter power supply

1 kΩ max. output load

3-way isolation

Suitable for Division 2 mounting

Safe Area or Div 2

Power Supply Power rail or terminals 11+, 12-Nominal voltage 20-35 VDCPower consumption ≤ 1.6 W

Input (intrinsically safe) Terminals 1+, 3-Input Signal 4-20 mAAvailable voltage at 20 mA 17.6 VDC

Output (not intrinsically safe) Terminals 7-, 8+, 9-Output signal 4-20 mAAvailable voltage 20 VDCLoad ≤ 1 kΩRipple < 20 µAss

Transfer CharacteristicsCalibrated accuracy ±10 µA nonlinearity, load fluctuationsTemperature drift ± 0.2 µA/ºC range 0-60ºCRise time ≈ 50 µs (at 250 Ω load)

Entity Parameters Terminals 1+, 3-FM control drawing no. 116-0129Voltage VOC 29 VCurrent ISC 96.1 mAExplosion group A&B C&E D, F&GMax. external capacitance (Ca) 0.13 µF 0.39 µF 1.05 µFMax. external inductance (La) 3.60 mH 15.79 mH 31.91 mH

MechanicalHousing Type A4 (see page 387)Dimensions (mm) 107 x 20 x 115Weight 3.5 oz. (100 g)

Ambient Temperature -20ºC to +60ºC (-4ºF to +140ºF)

CSA approvals available upon request

Class I, Div 1, Group A-G,Zone 0, IIC

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KFD2-CR-Ex1.30.300

12

+11

7

9

KFD2-CR-Ex1.30 300

3

(+) 1

2I

(+) 1

3 3 3

2

(+) 1

2

24VDC

8

This single-channel isolator powers andrepeats a 0/4-20 mA signal from a 2- or 3-wire transmitter in hazardous areas. It alsorepeats a 0/4-20 mA current source signal.

2-wire transmitters are connected toterminals 1 and 3 so the 0/4-20 mAtransmitter current flows to terminal 3. Aminimum of 13.6 V at 20 mA is availablebetween terminals 1 and 3.

The power supply is available at terminals 1and 2 in 3-wire transmitters with thetransmitter current flowing to terminal 3.Approximately 16.5 V is available at 25 mAbetween terminals 1 and 2 for the transmitter.

Terminals 2 and 3 are used for connectionsin applications requiring repeating sourcecurrents. This configuration has no terminal1 connections.

A maximum load of 1 kΩ can be connectedbetween terminals 7 and 8.

Single-channel

2- or 3-wire transmitterpower supply

24 VDC power supply


3-way isolation



Safe Area or Div 2


Input (intrinsically safe) Terminals 1+, 2-, 3Input 0/4-20 mAAvailable voltage (term. 1+, 2-) 16.5 V at 25 mAAvailable voltage (term. 1+, 3) 13.6 V at 20 mAInput resistance (term. 2-, 3) ≈ 220 Ω

Output (not intrinsically safe) Terminals 7-, 8+, 9-Output signal 0/4-20 mAAvailable voltage 20 VDCLoad ≤ 1 kΩRipple ≤ 20 µAss

Transfer CharacteristicsCalibrated accuracy ±10 µA nonlinearity, load fluctuationsTemperature drift ± 0.2 µA/ºC range 0-60ºCRise time ≈ 50 µs

Entity Parameters Terminals 1+, 3 2-, 3FM control drawing no. 116-0129Voltage VOC 28 V 4.4 VCurrent ISC 93 mA 22.2 mA

Explosion group A&B C&E D, F&GTerminals 1+, 3Max. external capacitance (Ca) 0.14 µF 0.43 µF 1.14 µFMax. external inductance (La) 4.18 mH 16.83 mH 34.21 mHTerminals 2-, 3Max. external capacitance (Ca) 1000 µF 3000 µF 8000 µFMax. external inductance (La) 67.8 mH 239 mH 597 mH

MechanicalHousing Type A4 (see page 387)Dimensions (mm) 107 x 20 x 115 mmWeight 100 g (3.5 oz.)




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KFD2-CR-Ex1.30.300 90C

KFD2-CR-Ex1.30 300 90C

3

(+) 1

2I

(+) 1

3 3 3

2

(+) 1

2

24VDC12

+11

7

9

8

This single-channel isolator powers andrepeats the 4-20 mA signal from a 2- or 3-wire transmitter in hazardous areas. It alsorepeats a 4-20 mA current source signal. Thisisolator is specially designed with a sink modeoutput to work with a Moore Products SAMinput card that supplies (sources) current.

Two-wire transmitters are connected toterminals 1 and 3 so the 4-20 mA transmittercurrent flows to terminal 3. A minimum of13.6 V at 20 mA is available betweenterminals 1 and 3.

The power supply is available on terminals 1and 2 in 3-wire transmitters with thetransmitter current flowing to terminal 3.Approximately 16.5 V is available at 25 mAbetween terminals 1 and 2 for the transmitter.


A maximum load of 1 kΩ can be connectedbetween terminals 8-9.

Single-channel


24 VDC power supply

1 kΩ max. output (sink mode)

3-way isolation



Safe Area or Div 2

Power Supply Power Rail or terminals 11+, 12-Nominal voltage 20-35 VDCPower consumption ≤ 1.7 W


Output (not intrinsically safe) Terminals 8+, 9-Output signal 4-20 mALoad ≤ 1 kΩ (with 475 Ω external resistor)Ripple ≤ 20 µAss

Transfer CharacteristicsCalibrated accuracy ±10 µA nonlinearity, load fluctuationsTemperature drift ≤ ± 0.2 µA/ºC range 0-60ºCRise time ≈ 50 µs

Entity Parameters Terminals 1+, 3 2-, 3FM control drawing no. 116-0129Voltage Voc 28 V 4.4 VCurrent Isc 93 mA 22.2 mA


*Consult factory for additional certifications and entity parameters




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KFD2-CR-Ex1.30.340

12

+11

7

9

KFD2-CR-Ex1.30 340

3

(+) 1

2

24VDC

I

(+) 1

3 3 3

2

(+) 1

2

8

This single-channel isolator powers andrepeats a 4-20 mA signal from a 2- or 3-wiretransmitter in hazardous areas. It also repeatsa 4-20 mA current source signal.

Two-wire transmitters are connected toterminals 1 and 3 so the 4-20 mA transmittercurrent flows into terminal 3. A minimum of13.6 V at 20 mA is available betweenterminals 1 and 3.

The power supply is available on terminals 1and 2 in 3-wire transmitters with thetransmitter current flowing to terminal 3.Approximately 16.5 V is available at 25 mAbetween terminals 1 and 2 for the transmitter.


A maximum load of 1 kΩ can be connectedbetween terminals 8 and 9.

Single-channel


24 VDC power supply

4-20 mA input

0-20 mA output



Safe Area or Div 2



Output (not intrinsically safe) Terminals 7-, 8+, 9-Output signal 0-20 mAAvailable voltage 20 VDCLoad ≤ 1 kΩRipple ≤ 20 µAss

Transfer CharacteristicsCalibrated accuracy ±10 µA nonlinearity, load fluctuationsTemperature drift ± 0.5 µA / ºC range 0-60ºCRise time ≈ 50 µs

Entity Parameters Terminals 1+, 2-, 3FM control drawing no. 116-0129Voltage Voc 28 V 4.4 VCurrent Ioc 93 mA 22.2 mA






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KFD2-CV-EX1.30.305

KFD2-CV-Ex1.30 305

0/1-5V

12

+11

7

9

8

24VDC

3

(+) 1

2I

(+) 1

3 3 3

2

(+) 1

2


This single-channel isolator powers andrepeats a 0/4-20 mA signal from a 2- or 3-wire transmitter in hazardous areas andconverts it into a voltage output. It alsorepeats a 0/4-20 mA signal from a currentsource. Two-wire transmitters are connectedto terminals 1 and 3 so the 0/4-20 mAtransmitter current flows to terminal 3. Aminimum of 16.8 V at 20 mA is availablebetween terminals 1 and 3.

The power supply is available on terminals 1and 2 in 3-wire transmitters with thetransmitter current flowing to terminal 3.Approximately 15.3 V is available at 25 mAbetween terminals 1 and 2 for the transmitter.Terminals 2 and 3 are used for connectionsin applications requiring repeating sourcecurrents. This configuration has no terminal1 connections.

The measurement current is converted intoa proportional voltage signal oncetransmitted to the output.

The output circuit has two sets of terminalblocks for the parallel connection of twovoltage measurement circuits. The voltagemeasurement circuits must have a resistanceof at least 2 kΩ.

Single-channel


0/4-20 mA input

0/1-5 V output


Safe Area or Div 2


Input (intrinsically safe) Terminals 1+, 2-, 3Input signal 0/4-20 mAAvailable voltage (term. 1+, 2-) ≥ 15.3 V at 25 mAAvailable voltage (term. 1+, 3) ≥ 16.8 V at 20 mAInput resistance (term. 2-, 3) 56 Ω

Output (not intrinsically safe) Terminals 7, 8+, 9-, 10+Output signal 0/1-5 VLoad 2 kΩRipple ≤ 5 mVpp

Transfer CharacteristicsCalibrated accuracy ≤ 5 mVTemperature drift ≤ 0.005% of span/ ºCRise time 5.2 ms

Entity ParametersBASEEFA no. Ex 97D2085Voltage Voc 26 VCurrent Isc 93 mAExplosion group II A II B II CMax. external capacitance (Ca) 0.792 µF 0.297 µF 0.099 µFMax. external inductance (La) 33.6 mH 12.6 mH 4.2 mH




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KFD2-CV-Ex1.30.310

12

+11

KFD2-CV-Ex1.30 310

3

(+) 1

2 7

8

24VDC

I

(+) 1

3 3 3

2

(+) 1

2

0/2-10V


This single-channel isolator powers andrepeats a 0/4-20 mA signal from a 2- or 3-wire transmitter in hazardous areas andconverts it into a voltage output. It alsorepeats a 0/4-20 mA current source signal.Two-wire transmitters are connected toterminals 1 and 3 so the 0/4-20 mAtransmitter current flows to terminal 3. Aminimum of 16.8 V at 20 mA is availablebetween terminals 1 and 3. The powersupply is available on terminals 1 and 2 in 3-wire transmitters with the transmitter currentflowing to terminal 3.

Approximately 15.3 V is available at 25 mAbetween terminals 1 and 2 for the transmitter.Terminals 2 and 3 are used for connectionsin applications requiring repeating sourcecurrents. This configuration has no terminal1 connections.

The measurement current is converted intoa proportional voltage of 0/2-10 V oncetransmitted to the output.

The output circuit has two sets of terminalblocks to allow the parallel connection of twovoltage measurement circuits. The voltagemeasurement circuits must have a resistanceof at least 2 kΩ.

Single-channel


0/4-4-20 mA input

0/2-10 V output


Safe Area or Div 2


Input (intrinsically safe) Terminals 1+, 2-, 3Input signal 0/4-20 mAAvailable voltage (term. 1+, 2-) 15.3 V at 25 mAAvailable voltage (term. 1+, 3) 16.8 V at 20 mAInput resistance (term 2-, 3) 56 Ω

Output (not intrinsically safe) Terminals 7-, 8+, 9-, 10+Output signal 0/2-10 VLoad 2 kΩRipple ≤ 10 mVpp

Transfer CharacteristicsCalibrated accuracy ≤ 10 mVTemperature drift ± 0.005% of span/ºCRise time 5.2 ms

Entity ParametersBASEEFA no. Ex 97D2085Voltage Voc 26 VCurrent Isc 93 mAExplosion group IIA IIB IICMax. external capacitance 0.792 µF 0.297 µF 0.099 µFMax. external inductance 33.6 mH 12.6 mH 4.2 mH




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KFD2-CR-Ex1.20.200

KFD2-CR-Ex1.20 200

7

24VDC

(+) 1

This single-channel isolator powers andrepeats the 4-20 mA signal from a 2-wiretransmitter in hazardous areas. This isolatoris specially designed for transmitters withentity parameters less than 28 V.

The open circuit voltage of the isolator is 18V with a minimum of 16 V at 20 mA. Thetransmitter must be connected to terminals1 and 3 so the 4-20 mA transmitter currentflows into the measurement circuit acrossterminal 3.

A maximum load of 1 kΩ can be connectedbetween terminals 8-9.

Single-channel

2-wire transmitter power supply

24 VDC power supply

1kΩ max. output load

3-way isolation

Special design with low entityparameters



Safe Area or Div 2


Input (intrinsically safe) Terminals 1+, 3-Input signal 4-20 mAAvailable voltage 16 VDC at 20 mA

Output (not intrinsically safe) Terminals 7-, 8+, 9-Output signal 4-20 mAAvailable voltage 20 VDCLoad ≤ 1 kΩRipple ≤ 20 µAss


Entity Parameters Terminals 1+, 3-FM control drawing no. 116-0129Voltage Voc 20 VCurrent Isc 93 mAExplosion group A&B C&E D, F&GMax. external capacitance (Ca) 0.34 µF 1.01 µF 2.70 µFMax. external inductance (La) 4.18 mH 16.84 mH 34.23 mH





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KFD2-CR-Ex1.20.300

12

+11

7

9

KFD2-CR-Ex1.20 300

3

(+) 1

2I

(+) 1

3 3 3

2

(+) 1

2

This single-channel isolator powers andrepeats a 0-20 mA signal from a 2- or 3-wiretransmitter in hazardous areas. It can alsorepeat a 0-20 mA signal from a currentsource. This isolator is specially designed fortransmitters with entity parameters of lessthan 28 V.

Two-wire transmitters are connected toterminals 1 and 3 so the 0-20 mA transmittercurrent flows to terminal 3. A minimum of 12V at 20 mA exist between terminals 1 and 3.

The power supply is available on terminals 1and 2 in 3-wire transmitters with thetransmitter current flowing to terminal 3.Approximately 16 V are available at 25 mAbetween terminals 1 and 2 for the transmitter.


Single-channel


24 VDC power supply


Special design with low entityparameters



Safe Area or Div 2


Input (intrinsically safe) Terminals 1+, 2-, 3Input 0/4-20 mAAvailable voltage (term. 1+, 2-) 16.5 V at 25 mAAvailable voltage (term. 1+, 3-) 13.6 V at 20 mAInput resistance (term. 2-, 3) 220 Ω

Output (not intrinsically safe) Terminals 8+, 9-Output signal 0-20 mAAvailable voltage 20 VDCLoad ≤ 1 kΩRipple ≤ 20 µAss


Entity ParametersFM control drawing no. 116-0129Terminals 1+, 3 2-, 3 1+, 2-, 3Voltage Voc (Vt) 20 V 4.4 V 20 VCurrent Isc (It) 93 mA 22.2 mA 115 mAExplosion group A&B C&E D, F&GTerminals 1+, 2-, 3Max. external capacitance (Ca) 0.34 µF 1.01 µF 2.70 µFMax. external inductance (La) 2.65 mH 11.35 mH 22.21 mH





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KFD2-STC1-Ex1

This single-channel isolator powers andrepeats the 4-20 mA signal from a 2-wiretransmitter inside hazardous area.

This isolator can also repeat a maximum 12kHz digital signal that is modulated on the4-20 mA signal. A processing system, fielddevice or hand-held terminal generates thisdigital information, which is transferredbidirectionally by the isolator. This allows theoperator to interrogate and reprogram thetransmitter from a safe area using uncertifiedcommunication equipment. Hand-heldterminals can be connected as shown in thecircuit diagram. These isolators have KF-STP-BU and KF-STP-GN terminals with testprobe access holes for the easy interface ofhand-held terminals.

Single-channel

24 VDC power supply

SMART communication to12 kHz (-1dB)

4-20 mA output


SMART TransmitterPower Supply

KFD2-STC1-Ex1

9

11

Safe Area or Div 2


Input (intrinsically safe) Terminals 1+, 3-Input 4-20 mAAvailable voltage at 20 mA 16.5 VDC at 20 mA

Output (not intrinsically safe) Terminals 9+, 10-, 11+Output signal 4-20 mA, max. load 500 ΩRipple ≤ 75 µAss

Transfer CharacteristicsCalibrated accuracy ≤ 10 µATemperature drift ≤ 0.002% of span/ºCFreq. range (250 Ω load) Hazardous area into safe areaBand width at 1 mAppSignal 0 Hz to 12 kHz (-1 dB)Freq. range (250 Ω load) Safe area into hazardous areaBand width at 1 VppSignal 1 Hz to 12 kHz (-1 dB)Rise/fall time 40 µs/40 µs





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KFD2-STV1-Ex1

KFD2-STV1-Ex1

9

11

This single-channel isolator powers andrepeats the 4-20 mA signal from a 2-wiretransmitter inside a hazardous area. This 4-20 mA current is converted into a 1-5 V signal.

This isolator can also repeat a maximum 12kHz digital signal that is modulated on the 4-20 mA signal. A processing system, fielddevice or hand-held terminal generates thisdigital information, which is transferredbidirectionally by the isolator. This allows theoperator to interrogate and reprogram thetransmitter from a safe area using uncertifiedcommunication equipment. Hand-heldterminals can be connected as shown in thecircuit diagram. These isolators have KF-STP-BU and KF-STP-GN terminals with test probeaccess holes for the easy interface of hand-held terminals.

Note:Terminal 12 is placed across an internallyapplied capacitance. Active input cards, suchas Foxboro FMB 18, can operate using thisconnection.

Single-channel

24 VDC power supply

SMART communication to12 kHz (-1dB)

1-5 V output



Safe Area or Div 2


Input (intrinsically safe) Terminals 1+, 3-Input 4-20 mAAvailable voltage 15.8 V at 20 mA

Output (not intrinsically safe) Terminals 9+, 10-, +12Output signal 1-5 VRipple ≤ 75 µAss

Transfer CharacteristicsCalibrated accuracy ≤ 10 µATemperature drift ≤ 0.002% of span/ºCFreq. range (250 Ω load) Hazardous area into safe areaBand width at 1 mAppSignal 0 Hz to 12 kHz (-1 dB)Freq. range (250 Ω load) Safe area into hazardous areaBand width at 1 VppSignal 1 Hz to 12 kHz (-1 dB)Rise/fall time 40 µs/40 µs





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KFD2-STC3-Ex1

KFD2-STC3-Ex1

This single-channel isolator powers and repeatsthe 4-20 mA signal from a 2-wire transmitterinside the hazardous area.

This isolator can also repeat a maximum 40 kHzdigital signal that is modulated on the 4-20 mAsignal. A processing system, field device orhand-held terminal generates this digitalinformation, which is transferred bidirectionallyby the isolator. This allows the operator tointerrogate and reprogram the transmitter froma safe area using uncertified communicationequipment. Hand-held terminals can beconnected as shown in the circuit diagram.These isolators have KF-STP-BU and KF-STP-GN terminals with test probe access holes forthe easy interface of hand-held terminals.

Single-channel

24 VDC supply

SMART communication to 40kHz (-1dB)

4-20 mA output

3-way isolation



Safe Area or Div 2


Input (intrinsically safe) Terminals 1+, 3-Input signal 4-20 mAAvailable voltage 16.5 V @ 20 mA

Output (not intrinsically safe) Terminals 9+, 10-, 11+Output signal 4-20 mA, max. load 1 kΩRipple ≤ 0.05% output signal range

Transfer CharacteristicsCalibrated accuracy ≤ 0.05% of output signalTemperature drift ≤ 0.002% of span/ºCFreq. range (250 Ω load) Hazardous area into safe areaBand width at 1 mAppSignal 0 Hz to 40 kHz (-1 dB)Freq. range (250 Ω load) Safe area into hazardous areaBand width at 1 VppSignal 0 Hz to 40 kHz (-1 dB)Rise/fall time 10 µs/10 µs





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KFD2-STV3-Ex1-1

Power Rail Connection

KFD2-STV3-Ex1-1

This single channel isolator powers andrepeats the 4-20 mA signal from a 2-wiretransmitter inside the hazardous area.


Note:Terminal 12 is placed across an internallyapplied capacitance. Active input cards,such as Foxboro FMB 18, can operate usingthis connection.


Single-channel

24 VDC supply


1-5 V output

3-way isolation


Safe Area or Div 2


Input (intrinsically safe) Terminals 1+, 3-Input 4-20 mAAvailable voltage 16.5 V at 20 mA

Output (not intrinsically safe) Terminals 9+, 10-, 11+Output signal 1-5 V, internal resistance ≈ 305 ΩRipple ≤ 0.05% output signal range

Transfer CharacteristicsCalibrated accuracy ≤ 0.03% of output signalTemperature drift ≤ 0.002% of span/ºCFreq. range (250 Ω load) Hazardous area into safe areaBand width at 1 mAppSignal 0 Hz to 40 kHz (-1 dB)Freq. range (250 Ω load) Safe area into hazardous areaBand width at 1 VppSignal 0 Hz to 40 kHz (-1 dB)

Enity Parameters Terminals 1+, 3-FM control drawing no. 116-0129Voltage Voc 28 VCurrent Isc 93 mAExplosion group A&B C&E D, F&GMax. external capacitance (Ca) 0.14 µF 0.43 µF 1.14 µFMax. external inductance (La) 4.18 mH 16.83 mH 34.21 mH




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KFD2-STV3-Ex1-2

Power Rail Connection

KFD2-STV3-Ex1-2

This single-channel isolator powers andrepeats the 4-20 mA signal from a 2-wiretransmitter inside the hazardous area. This4-20 mA current is repeated or convertedinto a or 2-10 V signal


Note:Terminal 12 is placed across an internallyapplied capacitance. Active input cards,such as Foxboro FMB 18, can operate usingthis connection.

Single-channel 24 VDCpower supply


2-10 V output

3-way isolation



Safe Area or Div 2


Input (intrinsically safe) Terminals 1+, 3-Input signal 4-20 mAAvailable voltage 16.5 V at 20 mA

Output (not intrinsically safe) Terminals 10-, 11+, +12Output signal 2-10 V, internal resistance ≈ 305 ΩRipple ≤ 0.05% output signal range

Transfer CharacteristicsCalibrated accuracy ≤ 0.03% of output signalTemperature drift ≤ 0.002% of span/ºC

Freq. range (250 Ω load)Hazardous area into safe areaBand width at 1 mAppSignal 0 Hz to 40 kHz (-1 dB)Safe area into hazardous areaBand width at 1 mAppSignal 0 Hz to 40 kHz (-1 dB)Rise/fall time 10 µs/10 µs

Enity Parameters Terminals 1+, 3-FM control drawing no. 116-0129Voltage Voc 28 VCurrent Isc 93 mAExplosion group A&B C&E D, F&GMax. external capacitance (C

a) 0.14 µF 0.43 µF 1.14 µF

Max. external inductance (La) 4.18 mH 16.83 mH 34.21 mH




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KFD2-STC4-Ex1

The SMART transmitter power suppliessupply a 2-wire SMART transmitter withina hazardous area and transfer the analog4-20 mA signal from the hazardous areato the safe area.

Digital signals which can be modulatedonto the analog signal, can also betransmitted bidirectionally on thehazardous or safe side. Hand-heldterminals can be connected as shown inthe block diagram.

Hand-held terminals can be connected asshown in the circuit diagram. Theseisolators have KF-STP-BU and KF-STP-GN terminals with test probe access holesfor the easy interface of hand-heldterminals.

Single-channel

HART compatible

24 VDC power supply

3 way isolation


HART TransmitterPower Supply

If the communicator is connected inthe safe area, the load resistancemust not be less than 230 Ω

Safe Area or Div 2

KFD2-STC4-Ex1

12

+11

3

(+) 1

2I

(+) 1

3 3 3

2

(+) 1

27

8

4-20mA


Input (intrinsically safe) Terminals 1+, 2-, 3Input 4-20 mAAvailable voltage 16 V at 20 mA

Output (not intrinsically safe) Terminals 7-, 8+Output signal 4-20 mALoad resistance* 0-550 ΩRipple ≤ 50 µAss

Transfer CharacteristicsCalibrated accuracy ≤ 20 µATemperature drift ≤ 0.002% of span/ºCFreq. range (250 Ω load) Hazardous area into safe areaBand width at 1 mAppSignal 0 Hz to 7.5 kHz (-3 dB)Freq. range (250 Ω load) Safe area into hazardous areaBand width at 1 VppSignal 300 Hz to 7.5 kHz (-3 dB)Rise/fall time 20µs/20µs

Entity Parameters Terminals 1+, 3-UL control drawing no. 116-0173Voltage Voc 25.4 VCurrent Isc 88.2 mAExplosion group A&B C&E D, F&GMax. external capacitance (Ca) 0.095µF 0.808 µF 2.88 µFMax. external inductance (La) 4.2 mH 17 mH 33 mH




62

Technical Data

Connection Diagram

Model Number

2002 IS CatalogA

nalo

g I

nput

Transm

itte

rs


KFD2-STC4-Ex2

Safe Area or Div 2

KFD2-STC4-Ex2

The SMART transmitter power suppliessupply a 2-wire SMART transmitter within ahazardous area and transfer the analog 4-20 mA signal from the hazardous area tothe safe area.

Digital signals which can be modulated ontothe analog signal, can also be transmittedbidirectionally on the hazardous or safe side.Handheld terminals can be connected asshown in the block diagram.

Hand-held terminals can be connected asshown in the circuit diagram. These isolatorshave KF-STP-BU and KF-STP-GN terminalswith test probe access holes for the easyinterface of hand-held terminals.

Dual-channel

HART compatible

24 VDC power supply

3 way isolation



If the communicator is connected inthe safe area, the load resistancemust not be less than 230 Ω.


Input (intrinsically safe) Terminals 1+, 3-; 4+, 6-Input 4-20 mAAvailable voltage 16 V at 20 mA

Output (not intrinsically safe) Terminals 7-, 8+, 10-, 11+Output signal 4-20 mALoad resistance 0-550 ΩRipple ≤ 50 µAss

Transfer CharacteristicsCalibrated accuracy ≤ 20 µATemperature drift ≤ 0.002% of span/ºCFreq. range (250 Ω load) Hazardous area into safe areaBand width at 1 mAppSignal 0 Hz to 7.5 kHz (-3 dB)Freq. range (250 Ω load) Safe area into hazardous areaBand width at 1 VppSignal 300 Hz to 7.5 kHz (-3 dB)Rise/fall time 20µs/20µs

Entity Parameters Terminals 1, 3; 4, 6UL control drawing no. 116-0173Voltage Voc 25.2 VCurrent Isc 93 mAExplosion group A&B C&E D, F&GMax. external capacitance (Ca) 0.095µF 0.808 µF 2.88 µFMax. external inductance (La) 4.2 mH 17 mH 33 mH




63

Technical Data

Connection Diagram

Model Number

2002 IS CatalogA

nalo

g In

put Tra

nsm

itters


KFD2-STC4-Ex2-Y72195

Dual-Channel

HART compatible

24 VDC power supply

Sink mode output

3-way isolation


HART Transmitter

The SMART transmitter power suppliessupply a 2-wire SMART transmitter within ahazardous area and transfer the analog 4-20 mA signal from the hazardous area tothe safe area. This isolator is designed toprovide a sink mode output on the safe areaterminals.


The SMART transmitters are normallydelivered with the KF-STP-BU and KF-STP-GN terminals. Connector jacks are integratedin these terminals for the connection of thehandheld terminals.

KFD2-STC4-Ex2-Y72195

20-35VDC

20-35VDC

Safe Area or Div 2


Input (intrinsically safe) Terminals 1+, 3-,; 4+, 6-Input 0/4-20 mAAvailable voltage 16.0 V at 20 mA

Output (not intrinsically safe) Terminals 7-,8+; 10-, 11+Output signal 0/4-20 mALoad resistance 0-550 ΩRipple ≤ 50 µAss

Transfer CharacteristicsCalibrated accuracy ≤ 20 µATemperature drift ≤ 1µA/ºCFreq. range (250 Ω load) Hazardous area into safe areaBand width at 1 Vpp-Signal 0 Hz to 7.5 kHz (-3 dB)Freq. range (250 Ω load) Safe area into hazardous areaBand width at 1 Vpp-Signal 300 Hz to 7.5 kHz (-3 dB)

Entity Parameters Terminals 1, 3, 4, 6UL control drawing no. 116-0173Voltage Voc 25.2 VCurrent Isc 93.0 mAExplosion group A&B C&E D, F&GMax. external capacitance (Ca) 0.093µF 0.798 µF 2.808 µFMax. external inductance (La) 4.6 mH 18 mH 36 mH





64

Technical Data

Connection Diagram

Model Number

2002 IS CatalogA

nalo

g I

nput

Transm

itte

rs


KFD2-STC4-Ex1.20

3

(+) 1

2I

(+) 1

3 3 3

2

(+) 1

2

24VDC

7

8

11

10

14

15

Safe Area or Div 2

KFD2-STC4-Ex1.20

Single-channel

Dual outputs

HART compatible 4-20mA current source

outputs

3-way isolation

SMART transmitter power supplies supply a2-wire SMART transmitter within a hazardousarea and transfer the analog 4-20 mA signalfrom the hazardous area to the safe area astwo current sources.


The SMART transmitters are normallydelivered with the KF-STP-BU and KF-STP-GN terminals. Connector jacks are integratedin these terminals for the connection of thehandheld terminals.

HART TransmitterPower Supply Power Supply Power Rail or terminals 14+, 15-

Nominal voltage 20-35 VDCPower consumption ≤ 2.5 W

Input (intrinsically safe) Terminals 1+, 2-, 3Input signal 4-20 mAAvailable voltage (term. 1, 3) ≥16 V at 20 mA

Output (not intrinsically safe) Terminals 7-, 8+, 10-, 11+Output signal 4-20 mALoad resistance* 0-550 ΩRipple ≤ 75 µApp

Transfer CharacteristicsCalibrated accuracy ≤ 20 µATemperature drift ≤ 1 µA/ºCFreq. range (250 Ω load) (Hazardous area into safe area)Band width at 0.5 VppSignal 0 Hz to 7.5 kHz (-3 dB)

(Safe area into hazardous area)Band width at 0.5 VppSignal 300 Hz to 7.5 kHz (-3 dB)Interference rejection Unaffected by 260 V, 50 Hz common

mode input signal with any safe sideterminal grounded, and 27 MHzwalkie-talkies

Entity Parameters Terminals 1+, 3-UL control drawing no. 116-0173Voltage Voc 25.4 VCurrent Isc 88.2 mAExplosion group A&B C&E D, F&GMax. external capacitance (Ca) 0.01 µF 0.081 µF 2.89 µFMax. external inductance (La) 4.2 mH 17 mH 33 mH


Ambient Temperature -20ºC to +60ºC (-4ºF to +140ºF )



65

Technical Data

Connection Diagram

Model Number

2002 IS CatalogA

nalo

g In

put Tra

nsm

itters



KFD2-STC4-Ex1.20-Y72216

3

(+) 1

2I

(+) 1

3 3 3

2

(+) 1

2

24VDC

7

8

11

10

14

15

20-35VDC

20-35VDC

Safe Area or Div 2

KFD2-STC4-Ex1.20-Y72216

Single-channel

Dual outputs

HART compatible

Sink mode outputs

3-way isolation

SMART transmitter power supplies supplya 2-wire SMART transmitter within ahazardous area and transfer the analog 4-20 mA signal from the hazardous area tothe safe area as two current sink outputs.


The SMART transmitters are normallydelivered with the KF-STP-BU and KF-STP-GN terminals. Connector jacks areintegrated in these terminals for theconnection of the handheld terminals.


Input (intrinsically safe) Terminals 1+, 2-, 3Input signal 4-20 mAAvailable voltage (term. 1, 3) ≥16 V at 20 mA

Output (not intrinsically safe) Terminals 7-, 8+, 10-, 11+Output signal 4-20 mALoad resistance* 0-550 ΩRipple ≤ 75 µApp

Transfer CharacteristicsCalibrated accuracy ≤ 20 µATemperature drift ≤ 1 µA/ºCFreq. range (250 Ω load) (Hazardous area into safe area)Band width at 0.5 VppSignal 0 Hz to 7.5 kHz (-3 dB)

(Safe area into hazardous area)Band width at 0.5 VppSignal 300 Hz to 7.5 kHz (-3 dB)Interference rejection Unaffected by 260 V, 50 Hz common

mode input signal with any safe sideterminal grounded, and 27 MHzwalkie-talkies

Entity Parameters Terminals 1+, 3-UL control drawing no. 116-0173Voltage Voc 25.4 VCurrent Isc 88.2 mAExplosion group A&B C&E D, F&GMax. external capacitance (Ca) 0.01 µF 0.081 µF 2.89 µFMax. external inductance (La) 4.2 mH 17 mH 33 mH


Ambient Temperature -20ºC to +60ºC (-4ºF to +140ºF )



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