Communication via RS485
5.1 Inverter with RS485 interface
Fieldbuses
108 Function Manual, 04/2018, FW V4.7 SP10, A5E34229197B AE
Inverter with RS485 interface
You can find the connectors and the connector assignments of the RS485 interface in the
following tables.
Table 5- 2 Assignment table
Inverter/Control Unit
X128
X03, in
(M12)
X04, out
(M12)
• CU230P-2 HVAC
x
• CU230P-2 BT
x
• CU240B-2
x
• CU240E-2
x
• CU240E-2 F
x
• CU250S-2
x
• G120C USS/MB
x
• CU240M USS
x x