Table C-2. Read Registers For 42I Trace Level - Thermo Scientific 42i Instruction Manual

Thermo Fisher Scientific
Coil Number Status
13 NO CONC MIN ALARM
14 NO2 CONC MAX ALARM
15 NO2 CONC MIN ALARM
16 NOx CONC MAX ALARM
17 NOx CONC MIN ALARM
18 NOT USED
19 NOT USED
20 NOT USED
21 NOT USED
22 INT TEMP ALARM
23 CHAMB TEMP ALARM
24 COOLER TEMP ALARM
25 NO2 CONVERTER TEMP ALARM
26 NOT USED
27 PERM OVEN GAS TEMP ALARM
28 PRESSURE ALARM
29 FLOW ALARM
30 OZONE FLOW ALARM
31 MOTHERBOARD STATUS ALARM
32 INTERFACE BD STATUS ALARM
33 I/O EXP BD STATUS ALARM
34 NOT USED
35 CONC ALARM
36 SAMPLE MODE
37 PURGE MODE
38 NOT USED
39 ZERO CHECK/CAL ALARM
40 SPAN CHECK/CAL ALARM
Table C–2. Read Registers for 42i Trace Level
Register Number
40001&40002
40003&40004
Variable
NO
NO2
Model 42i Trace Level Instruction Manual
MODBUS Protocol
MODBUS Parameters Supported
C-9