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Teledyne API – Model T400 Photometric Ozone Analyzer Table of Contents
xv
6.5.3. Changing the Analyzer’s HOSTNAME ............................................................................................... 141
6.6. USB Port .................................................................................................................................................... 142
6.7. Communications Protocols ........................................................................................................................ 142
6.7.1. MODBUS ............................................................................................................................................ 142
6.7.2. Hessen................................................................................................................................................ 144
6.7.3. Hessen COMM Port Configuration ..................................................................................................... 145
6.7.4. Activating Hessen Protocol................................................................................................................. 146
6.7.5. Selecting a Hessen Protocol Type...................................................................................................... 147
6.7.6. Setting The Hessen Protocol Response Mode................................................................................... 148
6.7.7. Hessen Protocol Gas List Entries ....................................................................................................... 149
6.7.7.1. Gas List Entry Format and Definitions......................................................................................... 149
6.7.7.2. Editing or Adding HESSEN Gas List Entries............................................................................... 150
6.7.7.3. Deleting HESSEN Gas List Entries ............................................................................................. 151
6.7.8. Setting Hessen Protocol Status Flags ................................................................................................ 152
6.7.9. Instrument ID ...................................................................................................................................... 153
7. DATA ACQUISITION SYSTEM (DAS) AND APICOM....................................................... 155
7.1. DAS STATUS............................................................................................................................................. 156
7.2. DAS Structure ............................................................................................................................................ 156
7.3. DAS Channels............................................................................................................................................ 157
7.3.1. DAS Default Channels........................................................................................................................ 158
7.3.2. SETUP DAS VIEW: Viewing DAS Channels and Individual Records........................................ 160
7.4. SETUP DAS EDIT: Accessing the DAS Edit Mode ........................................................................... 161
7.4.1. Editing DAS Data Channel Names..................................................................................................... 162
7.4.2. Editing DAS Triggering Events ........................................................................................................... 163
7.4.2.1. EditiNg DAS Parameters............................................................................................................. 164
7.4.3. Editing Sample Period and Report Period.......................................................................................... 166
7.4.4. Report Periods in Progress when Instrument Is Powered Off............................................................ 167
7.4.5. Editing the Number of Records........................................................................................................... 167
7.4.6. RS-232 Report Function ..................................................................................................................... 169
7.4.7. Enabling / Disabling the HOLDOFF Feature ...................................................................................... 170
7.4.8. The Compact Report Feature............................................................................................................. 170
7.4.9. The Starting Date Feature .................................................................................................................. 171
7.5. Disabling/Enabling Data Channels............................................................................................................. 171
7.6. Remote DAS Configuration........................................................................................................................ 172
7.7. DAS Configuration Limits ........................................................................................................................... 172
8. REMOTE OPERATION .................................................................................................... 173
8.1. Computer Mode.......................................................................................................................................... 173
8.1.1. Remote Control via APICOM.............................................................................................................. 173
8.2. Interactive Mode......................................................................................................................................... 174
8.2.1. Remote Control via a Terminal Emulation Program........................................................................... 174
8.2.1.1. Help Commands in Interactive Mode .......................................................................................... 174
8.2.1.2. Command Syntax........................................................................................................................ 175
8.2.1.3. Data Types .................................................................................................................................. 175
8.2.1.4. Status Reporting.......................................................................................................................... 176
8.3. Remote Access by Modem ........................................................................................................................ 177
8.4. Password Security for Serial Remote Communications ............................................................................ 180
8.5. APICOM Remote Control Program............................................................................................................ 180
9. T400 CALIBRATION PROCEDURES.............................................................................. 183
9.1. Before Calibration....................................................................................................................................... 184
9.1.1. Required Equipment, Supplies, and Expendables ............................................................................. 184
9.1.2. Zero Air and Span Gas ....................................................................................................................... 184
9.2. Basic Manual Calibration Checks And Calibration of the T400 analyzer................................................... 185
9.2.1. Setup for Basic Calibration Checks and Calibration of the T400 analyzer......................................... 185
9.2.2. Performing a Basic Manual Calibration Check................................................................................... 186
9.2.3. Performing a Basic Manual Calibration .............................................................................................. 187
9.2.3.1. Setting the Expected O
3
Span Gas Concentration...................................................................... 187
9.2.3.2. Zero/Span Point Calibration Procedure....................................................................................... 188
9.2.4. Manual Calibration Checks and Calibrations Using AUTO RANGE or DUAL RANGE Modes.......... 189
06870C DCN6332