Siemens SINAMICS DCM Manual page 181

Connecting
6.9 Assignment of terminals and connectors
6.9.6 Assignment of the RS485 cable to the AOP30
Note
A 24 V power supply is required to operate the AOP30. For a maximum cable length of
50 m, this can be taken from the CUD of the SINAMICS DCM. An external power supply
must be used for cable lengths > 50 m.
①
RS485 cable with 24 V DC power supply from the CUD - max. 50 m
②
RS485 cable when operating with 2 CUDs, 24 V DC power supply from one CUD - max. 50 m
③
RS485 cable when supplying the AOP30 from an external 24 V DC source - max. 200 m
X524 Plug terminals
X540 9-pin Sub-D socket
Figure 6-53 Assignment, RS485 cable
182
X178 Plug terminals
Operating Instructions, 02.2015, A5E34763375/RS-AA/001
ac.maher.co.ir
SINAMICS DCM DC Converter