Technical Manual April 2014
21738 Oxygen & Dew Point Transmitter
6.3.1 Probe 1 Offset / Probe 2 Offset....................................................................................................... 36
6.3.2 Lower Line Items............................................................................................................................. 37
6.3.3 Oxygen Display Units...................................................................................................................... 37
6.3.4 Damping Factor............................................................................................................................... 37
6.3.5 Process Alarms............................................................................................................................... 37
7. COMMISSIONING MODE........................................................................................................................... 39
7.1 FUNCTION SUMMARY TABLE...................................................................................................................... 39
7.2 COMMISSIONING MODE FUNCTIONS........................................................................................................... 41
7.2.1 Internal Date / Time......................................................................................................................... 41
7.2.2 Service Date.................................................................................................................................... 41
7.2.3 Number of Probes........................................................................................................................... 41
7.2.4 Top Line .......................................................................................................................................... 41
7.2.5 Probe 1 & 2 Type ............................................................................................................................ 41
7.2.6 Probe 1 & 2 Thermocouple Type.................................................................................................... 41
7.2.7 Auxiliary Thermocouple Type.......................................................................................................... 41
7.2.8 Hydrogen Level............................................................................................................................... 41
7.2.9 Transmitter Output Channel 1 & 2 .................................................................................................. 42
7.2.10 Flue Pressure Units and Value ..................................................................................................... 42
7.2.11 Temperature Units......................................................................................................................... 42
7.2.12 Calibration Freezes Outputs ......................................................................................................... 42
7.2.13 Solenoid 1 & 2 Operation.............................................................................................................. 42
7.2.14 Solenoid 1 & 2 Automatic / Manual............................................................................................... 42
7.2.15 Solenoid 1 & 2 Start Time ............................................................................................................. 43
7.2.16 Solenoid 1 & 2 Period.................................................................................................................... 43
7.2.17 Solenoid 1 & 2 Duration ................................................................................................................ 43
7.2.18 Solenoid 1 & 2 Post Freeze .......................................................................................................... 43
7.2.19 Oxygen Content Calibration Gas 1 & 2......................................................................................... 43
7.2.20 Maximum Calibration Gas 1 & 2 Positive / Negative Error ........................................................... 43
7.2.21 Process Alarms ............................................................................................................................. 43
7.2.22 Alarm Relay 1, 2 and 3 Function................................................................................................... 43
7.2.23 Common Alarm Relay Function.................................................................................................... 44
7.2.24 Operation of the Alarm Relays when an Alarm is Accepted......................................................... 44
7.2.25 Reference Air Pump Options ........................................................................................................ 44
7.2.26 Communications Port Options ...................................................................................................... 44
7.2.27 Alarm Log Clearing........................................................................................................................ 45
8. CALIBRATION MODE................................................................................................................................ 47
8.1 FUNCTION SUMMARY TABLE...................................................................................................................... 47
8.2 CALIBRATION MODE FUNCTIONS ............................................................................................................... 48
8.2.1 Reference Voltages......................................................................................................................... 48
8.2.2 Output Channel 1 and 2 Calibration................................................................................................ 48
8.2.3 Ambient Temperature Calibration................................................................................................... 48
8.2.4 Low Oxygen Calibration.................................................................................................................. 48
8.2.5 Transmitter Output Scale ................................................................................................................ 48
8.2.6 Transmitter Output Limiting............................................................................................................. 48
8.2.7 Mains Voltage Detection ................................................................................................................. 48
8.2.8 Heater SSR Fault Correction .......................................................................................................... 48
8.2.9 SSR Fail Protection......................................................................................................................... 48
9. ALARMS ..................................................................................................................................................... 49
9.1 COMMON ALARMS .................................................................................................................................... 49
9.2 SELECTABLE PROCESS ALARMS................................................................................................................ 51
9.3 ALARM RELAY OPTIONS............................................................................................................................ 52
10. INSTRUMENT CALIBRATION ................................................................................................................. 53
10.1 CALIBRATION SUMMARY.......................................................................................................................... 53
10.1.1 Calibration of the Inputs ................................................................................................................ 53
10.1.2 Calibration of the Outputs ............................................................................................................. 53
10.1.3 Probe Calibration........................................................................................................................... 53
10.2 COLD START.......................................................................................................................................... 54
