Thermo 42i - MODBUS Commands Supported

MODBUS Protocol
MODBUS Commands Supported
C-8 42i Low Source Instruction Manual Thermo Electron Corporation
MODBUS Commands
Supported
Table C-1 through table C-3 lists the MODBUS commands supported for
the Model 42i Low Source.
Response
Field Name (Hex)
Function 05
Output Address Hi 00
Output Address Lo 05
Output Value Hi FF
Output Value Lo 00
Table C-1. Read Coils for 42i Low Source
Coil Number Status
1 AUTORANGE (NO
x
)
2 LOCAL/REMOTE
3 SERVICE
4UNITS
5 ZERO MODE
6SPAN MODE
7NO MODE
8NO
x
MODE
9NOT USED
10 NOT USED
11 GEN ALARM
12 NO CONC MAX ALARM
13 NO CONC MIN ALARM
14 NO
2
CONC MAX ALARM
15 NO
2
CONC MIN ALARM
16 NO
x
CONC MAX ALARM
17 NO
x
CONC MIN ALARM
18 INT TEMP ALARM
19 CHAMB TEMP ALARM
20 COOLER TEMP ALARM
21 NO
2
CONVERTER TEMP ALARM
22 NOT USED