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MODBUS Protocol
MODBUS Commands Supported
MODBUS Commands
Supported
C-8
Model 146i Instruction Manual
Output Value Hi
Output Value Lo
Response
Field Name
Function
Output Address Hi
Output Address Lo
Output Value Hi
Output Value Lo
The following
Table C–1
commands supported for the Model 146i.
Table C–1. Read Coils for 146i
Coil Number
Status
1
GAS BIT 1
2
GAS BIT 2
3
GAS BIT 3
4
SPAN BIT 1
5
SPAN BIT 2
6
SPAN BIT 3
7
O3/PERM BIT 1
8
O3/PERM BIT 2
9
O3/PERM BIT 3
10
O3/PERM BIT 4
11
PHOTO BIT 1
12
PHOTO BIT 2
13
GAS A
14
GAS B
15
GAS C
16
GAS D
17
GAS E
18
GAS F
19
OZONATOR
FF
00
(Hex)
05
00
05
FF
00
through
Table C–3
lists the MODBUS
Thermo Fisher Scientific
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Troubleshooting
