Modbus Commands Supported - Thermo Scientific 49i Instruction Manual

MODBUS Protocol

MODBUS Commands Supported

MODBUS Commands
Supported
C-8 Model 49i Instruction Manual
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 through table C-3 list the MODBUS commands supported for
the Model 49i.
Table C-1. Read Coils for 49i
Coil Number Status
1 AUTO RANGE
2 SERVICE
3 GAS UNITS
4 ZERO MODE
5 SPAN MODE
6 SAMPLE MODE
7 O LEVEL 1
3
8 O LEVEL 2
3
9 O LEVEL 3
3
10 O LEVEL 4
3
11 O LEVEL 5
3
12 PURGE MODE
13 GEN ALARM
14 CONC MAX ALARM
15 CONC MIN ALARM
16 BENCH TEMP ALARM
17 BENCH LAMP TEMP ALARM
18 O LAMP TEMP ALARM
3
19 PRESSURE ALARM
20 FLOW A ALARM
21 FLOW B ALARM
22 INTENSITY A ALARM
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