Modbus - Siemens LMV37.4 Series Basic Documentation

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Building Technologies

17.2 Modbus

With this type of bus protocol, the LMV37.4 operates as a slave on the Modbus and the
transmission mode used is RTU (Remote Terminal Unit).
For more detailed information, refer to the Modbus User Documentation (A7541).
No. Parameter
Device address for Modbus of LMV37.4
145
Setting values
1...247
Baud rate for Modbus
146 0 = 9600
1 = 19200
Setting of parity for Modbus communication
0 = none
147
1 = odd
2 = even
The factory settings of the parameters are shown on the parameter list.
Note
If bus communication breaks down, the mode, Modbus operating mode and predefined
target output must be rewritten.
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CC1P7546en
17.12.2018