Thermo Scientific 5028i, Instruction Manual

Page: 312 / 330

MODBUS Protocol
MODBUS Parameters Supported
C-8 Model 5028
i
Instruction Manual Thermo Fisher Scientific
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 5028 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.
s
Note
Coil status 1 indicates active state.
s
Table C–1. Read Coils for 5028
i
Coil Number Status
0 INVALID
1 LOCAL/REMOTE
2 SERVICE
3 [NOT USED]
4 [NOT USED]
5 CONC ALARM
6 INST ALARMS
7 DET ALARMS
8 NEPH ALARMS
MODBUS Parameters
Supported