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Building Technologies Division
Basic documentation LMV36...
CC1P7544en
Infrastructure & Citiies Sector
18 Connection to superposed systems
25.09.2013
18.2 Modbus
With this type of bus protocol, the LMV36... basic unit 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 basic unit
Setting value:
1…247
146
Baud rate for Modbus
Setting value:
0 = 9600
1 = 19200
147
Setting of parity for Modbus communication
Setting value
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.