1 ips meteostar april 28, 1999 labview operator interface texas natural resource conservation...

1 IPS MeteoStarApril 28, 1999

LabView OPERATOR INTERFACE

Texas

Natural

Resource

Conservation

Commission


LabView CAN

Provide Remote Access To Any CAMS

View Real-Time Data (Graphical, Tabular)

Enter Operator Log Messages

Start, Stop Calibrations, Spans and Levels

Flag Data Channels As Non-Ambient


HARDWARE REQUIREMENTS

• 486 or Pentium Processor

• 16 Megabytes Of Memory Minimum

• Windows 95 Operating System

• 9600 Baud or Faster Modem


LabView SOFTWARE

• The LabView Software Must Reside In The Root Directory Under The Folder Name “Zeno” or “C:\ZENO\”. The Following Files Must Be In The Zeno Directory:

– Cams8_0.exe Main Program– Channels.txt Channel Assignments– Dasibi.txt Dasibi Dot Command File– Phone.txt Phone Book File– Portset.txt Serial Port Config File– Serpdrv LabView Serial Driver file– Zeno0.ht Terminal Setup File– Zeno1.ht Terminal Setup File– Zeno2.ht Terminal Setup File– Zeno3.ht Terminal Setup File

• Bolded Files May Be Changed Manually By The User If Necessary, Other Files Should Not Be Tampered With Directly


FRONT PANEL

How You Are Going To Connect To The Datalogger

Exit To Windows

Be Sure To Use This Whenever Possible To Safely Exit The Application

Configuration Items You Can Change

• Serial Port

• Channel Definitions

Commands You Use To View And Manipulate Data

Pull Down Menus You Won’t Be UsingLabView Program

Controls You Hope You Don’t Have To Use

Windows Widget You Shouldn’t Use Except In Dire Circumstances


WARNING!!

• The Key To Smooth Program Operation Is To Make Sure You Have Established Communications With The Datalogger Before You Attempt To Use The Following Commands

• Real-Time Data

• Operator Log

• Calibrations

• Status BITs

• If The Program Does Not Respond

* Press The Stop Button And Then The Start Button In The Upper Left Hand Corner Of The Main Window

* You May Have To Wait For The Serial Port To Time Out


DIRE CIRCUMSTANCES

• If You Select The Wrong Serial Port And Attempt To Connect, You May Place The Serial Port Into An Unusable State And The Application Will Not Respond

• Sometimes Even The Stop And Run Buttons Can’t Help You

• You Should Exit The Application - You May Have To Use Windows To Terminate The Application - And Start It Again

• If This Does Not Fix The Problem

• You Will Need To Reset The Serial Ports On Your Computer

• Unfortunately, This Requires You To Cycle Power On Your PC - Make Sure You Shut Down Windows Properly


CONFIGURING LabView

• There Are Two Items You Will Need To Configure– Which Serial Port You Will Be Using To Communicate With The

Zeno

– Your Modem Will Have To Be Configured To Ignore The DTR Signal

• On Most Computers, There Will Be One Serial Port Devoted To The Modem And A Second Serial Port For The Direct Connection

• Depending Upon How You Are Using LabView, You Will Probably Have To Change The Serial Port Setting When You Go Into A Station And Again When You Use LabView From Home

• The Baud Rate, Word Length, Parity, Stop Bits, And Other Communication Parameters Are Fixed And Cannot Be Changed


CONFIGURING YOUR MODEM

• There Are Many Different Modems Available

• Most Modems Use A Variation Of A Standard Set Of Commands To Configure The Modem - These Are Known As “AT” Commands

• BUT, You Should Always Refer To The Manual That Came With Your Modem

• The Following Commands Have Been Found To Configure Most Of The Modems TNRCC Uses:

– AT&D0 Set Modem To Ignore DTR Signal

– AT&W0 Store Current Modem Configuration To NVRAM

– AT&Y0 Set Modem To Load Configuration Stored In

NVRAM On Reset Or Power Up


THE ABC’s OF USING LabView

• Choose The Correct Serial Port

• Choose The Appropriate Connection Method For Where You Are And What You Are Trying To Do

• If Your Connection Method Is Modem, Use The Phone Book Command To Find And Dial The Station

• Once You Are Connected, You May Use Any Of The LabView Commands

• If You Connected With A Modem, When You Are Through Make Sure You Use The Phone Book Command To Hang Up


CHOOSING A SERIAL PORT

Use This Spinner To Select The Correct Serial PortLabView Attempts To

Detect Which Serial Ports Are Active

I Love My Changes And Want To Save Them Forever

I Hate My Changes And Never Want To See Them Again

I Was Just Kidding And Want A Second Chance


CHANNEL ASSIGNMENTS

• Edit Input Channels For The Real Time Display

• Input Channels Are Set In The Order That Channels Are Defined In The Zeno Setup.

• Max And Min Define The Initial Graph Scaling

• Precision Is The Number Of Digits To The Right of The Decimal Point.

• “E” Is For Engineering Units When A Slope And

Intercept Is Entered Along With A Minimum And Maximum Value.


CHANNEL ASSIGNMENTS

Left Click Anywhere On The Line To Select The Input You Want To Change

Click Here To Enter The Edit Mode

You Can Then Type Any Changes You Want

You Really Shouldn’t Delete A Channel Definition Unless The Zeno Is Reprogrammed

Use The Close Button To Save Your Changes And Get Rid Of This Window

Or Just Get Rid Of This Window If You Don’t Make Any Changes


CONNECTION METHOD

• Where You Are Determines Which Connection Method You Use

• The First Icon Is For Telephone/Modem Connections

• The Second Icon Is For Local Or Direct Connection To The Zeno Data Logger


PHONE BOOK

Left Click Anywhere On A Line To Select A Station To Call

Wrong Number? Use This To Change Things Around

The Correct Way To Get Out Of This

If You Never Want To Call A Station Again

This Dials The Station You Select

The Phone Book Window Will Close When A Valid Connection Is Made

Always Remember To Hang Up The Phone When You Are Done


CONNECTING VIA MODEM

This Reminder Stays Visible Until You Hang Up The Phone


REAL-TIME DATA

• You Must Have A Connection To The Data Logger BEFORE You Use This Command

• View One Second Data In Real Time

• All Parameters Physically Measured At A Site That Are Defined In The Channel Assignments Are Viewable In Real Time

• Derived Parameters Such As Sigma Theta Are Not Viewable In Real Time


REAL-TIME DATA

Use These Spinners To Select Parameters

When You Stop Plotting, Wait For The Close Button To Become Active

Always Use The Close Button To Leave This Window

These Are The Current And Averaged Values

You Can Define Your Own Averaging Period


OPERATOR LOG


• Use This Command To Write And View Operator Log Messages Stored On The Data Logger

• Operator Log Messages Are Retrieved Along With The Data

• Log Messages Should Take About 20 Minutes To Appear On The Web Page Once The Station Is Called


OPERATOR LOG

Select What You Want To Do With The Operator Log Here

Anything Information You Need To Send To The Data Logger Goes Here

Insightful And Informative Message From The Data Logger Appear Here


TRADING DATA

• One Of The Neatest Features Of Windows 95 Is The Ability To Easily Move Data Between Programs

• This Is Very Useful To You When Creating Complex Operator Log Entries

• If It Takes You Too Long To Enter Your Operator Log Message From Within LabView, The Program Will Time Out And What You Have Typed Will Be Lost

• It Is Far Easier And Safer To User Another Program Such As Notepad To Create The Log Entry Then Cut And Paste Into The Labview Operator Log Interface

• If You Want, You Could Use Word Perfect And Even Spell Check Your Work - However, Using Word Perfect Is Probably Not A Good Idea Since It May Embed Strange Invisible Characters Into Your Log Entry


CUTTING...

1. Start Notepad From The Menu

2. Type Your Long, Complicated Log Entry

3. Use The Mouse To Highlight What You Typed

4. Press CTRL-C (Hold Down The CTRL Key And Press The C Key At The Same Time)

5. What You Typed Is Copied To The Windows Clipboard


...PASTING

1. Start Labview, Connect To The CAMS, And Start The Operator Log Interface

2. Move The Mouse Pointer Into The “To the Operator Log” Area And Click Once With The Left Button

3. Press CTRL-V (Hold Down The CTRL Key And Press The V Key At The Same Time) - The Contents Of The Windows Clipboard Are Pasted Into The Entry Box

4. Click On The OK Button To Add The Log Entry


CALIBRATOR INTERFACE


• Initiate Calibrations And Spans

• Start Specific Levels

• Stop Calibrations

• Calibration Commands Can Be Sent From The Office, Home Or In The Station

• Results Can Be Viewed Immediately Using The Real Time Monitor

• Status Codes (MRSTGPQ) Can Be Viewed Using The Data Triplet Flag Menu


CALIBRATOR INTERFACE

Pick The Gas That Will Be Exercised

This Is The Dot Command That Corresponds To Your Selections

This Is Also Where You Can Edit The Dot Command

You Can Manually Send Any Dot Command To The Dasibi

Click The Edit Button And Then Type Away In The Dasibi Dot Command Window

Select What You Want To Do Here

If You Pick Selected Level Under Calibration Type, These Choices Become Active

Love Notes The Data Logger Sends To You


STATUS BITS


• View Data Triplet Flags (MRSTGPQ)

• Override Flags With “P” For PMA or “Q” For QAQC


STATUS BITS

If You Need To Set An Instrument Into A Non-Ambient Mode, Select It Here

Select The Appropriate Non-Ambient Code Here

Click The Change Flag Button To Make The Change

Click The Refresh Table Button To Review Your Changes


TERMINAL MODE


• Use Terminal Mode To Talk Directly to The Zeno Data Logger

• When You Use Terminal Mode, LabView Loses Control Of The Serial Port

• You Cannot Use Any LabView Commands Until You Exit Terminal Mode

• Terminal Mode Causes HyperTerm To Run - Refer To Your Windows Documentation For Details On Using HyperTerm

• Exiting HyperTerm Does Not Automatically Return Control Of The Serial Port To LabView - There Will Be A Reminder Message Telling You To Select A Connection Method


TERMINAL MODE VIA MODEM

If You Use Terminal Mode Via A Modem, This Reminder Message Appears And Stays Visible Until You Click On The Modem Button

You MUST Select The Suggested Connection Method To Return LabView To The Proper Configuration


TERMINAL MODE VIA DIRECT

If You Use Terminal Mode Direct Connection Method, This Reminder Message Appears And Stays Visible Until You Click On The Modem Button

You MUST Select The Suggested Connection Method To Return LabView To The Proper Configuration


HYPERTERM

When The HyperTerm Window Appears, Type The Letter “u” Followed By A Carriage Return

This Wakes Up The Data Logger And It Will Prompt You For The First Level Password

You Are Now Talking Directly To The Data Logger

When You Are Through Using HyperTerm, Click On The Disconnect Icon

Once You Are Disconnected, Use The File Exit Menu Option To Close HyperTerm - You Are Now Back In LabView

You Will Need To Select The Suggested Connection Method Before You Can Use Any LabView Commands

Disconnect Icon

File Menu


EXIT

• Exit The LabView Program And Return To Windows

• Before You Exit, Make Sure You Remember To Hang Up The Phone (There Will Be A Reminder Message If You Need To Do This)

• You Should ALWAYS Exit LabView Via This Button

1 ips meteostar april 28, 1999 labview operator interface texas natural resource conservation...

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