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Building Technologies Basic documentation LMV37.4... CC1P7546en
17 Connection to superposed systems 17.12.2018
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
145
Device address for Modbus of LMV37.4
Setting values
1…247
146
Baud rate for Modbus
0 = 9600
1 = 19200
147
Setting of parity for Modbus communication
0 = none
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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