MODBUS Protocol
MODBUS Parameters Supported
C-8
Model 5030
i
SHARP Instruction Manual
Thermo Fisher Scientific
Here is an example of a request to write Coil 5 ON:
Request
Field Name
(Hex)
Function 05
Output Address Hi
00
Output Address Lo
05
Output Value Hi
FF
Output Value Lo
00
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
lists the MODBUS addresses supported for
the Model 5030
i
.
IMPORTANT NOTE
The addresses in the following tables are Protocol
Data Unit (PDU) addresses. Verify the coil number on your MODBUS
master to ensure that it matches the coil number on the instrument.
▲
Note
Coil status 1 indicates active state.
▲
Table C–1.
Read Coils for 5030
i
Coil Number
Status
0 INVALID
1 LOCAL/REMOTE
2 SERVICE
3 NOT
USED
4 GEN
ALARM
5 CONC
ALARM
6 INST
ALARMS
MODBUS Parameters
Supported
Summary of Contents for 5030i SHARP
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