Table of Contents
1.0 QUICK START INSTRUCTIONS...................................................................................5
2.0 SAFETY..................................................................................................................6
3.0 FEATURES..............................................................................................................7
4.0 SPECIFICATIONS.....................................................................................................9
5.0 FRONT PANEL ...................................................................................................... 10
6.0 REAR PANEL......................................................................................................... 11
7.0 WIRING................................................................................................................ 12
7.1. POWER.........................................................................................................................................12
7.2. COMMUNICATIONS...................................................................................................................12
7.3. TRANSDUCER CONNECTIONS .................................................................................................13
7.4. ALARMS.......................................................................................................................................13
7.5. ANALOG SIGNAL FOLLOWERS .................................................................................................14
8.0 MANUAL OPERATION............................................................................................. 15
8.1. POWER ON/OFF ...........................................................................................................................15
8.2. CHANGING THE COMMAND SET POINT .................................................................................15
8.3. OVERRIDE OPEN.........................................................................................................................15
8.4. OVERRIDE CLOSED ....................................................................................................................15
8.5. SETTING A CHANNEL TO AUTO CONTROL ............................................................................16
8.6. SETTING A CHANNEL TO DIRECTLY METER INCOMING SIGNALS.....................................16
8.7. SETTING A CHANNEL TO DISPLAY THE TOTALIZER FUNCTION ........................................ 16
9.0 EXTERNAL/REMOTE OPERATION............................................................................. 18
9.1. SELECTING EXTERNAL/REMOTE OPERATION (FRONT PANEL ONLY).....................................18
9.2. CHOOSING RS-232 COMMUNICATION.....................................................................................18
9.3. CHOOSING RS-485 COMMUNICATION.....................................................................................18
10.0 SETUP/CAL MODE.................................................................................................. 19
10.1. ENTERING THE SETUP/CAL MODE .......................................................................................... 19
10.2. DISPLAY SETUP .......................................................................................................................... 19
10.2.1. BLANKING A DISPLAY LINE/CHANNEL ..............................................................................................19
10.2.2. SELECTING DISPLAY BRIGHTNESS....................................................................................................19
10.2.3. SELECTING UNIT-OF-MEASURE........................................................................................................20
10.2.4. SELECTING GAS ID.........................................................................................................................20
10.2.5. SETTING A/D CONVERSION RATE (FILTER)......................................................................................20
10.2.6. FRONT PANEL LOCK OUT................................................................................................................21
10.3. TOTALIZER SETUP.....................................................................................................................21
10.3.1. COUNT UP TO A SET POINT .............................................................................................................21
10.3.2. COUNT DOWN FROM A SET POINT ...................................................................................................22
10.3.3. COUNT CONTINUOUSLY..................................................................................................................22
10.4. EXTERNAL COMMUNICATION SETUP ....................................................................................22
10.4.1. RS-232 SETTINGS ...........................................................................................................................22
10.4.2. RS-485 SETTINGS ...........................................................................................................................22
10.5. SELECTING THE ANALOG SIGNAL LEVEL .............................................................................. 23
10.5.1. ZERO TO FIVE VOLT OPERATION......................................................................................................23
