Siemens SINAMICS Series Operating Instructions Manual page 189

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Assignment of the RS485 cable to the AOP30

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.

RS485 cable with 24 V DC power supply from the CUD - max. 50 m

RS485 cable when operating with 2 CUDs, 24 V DC power supply from one CUD – max. 50 m

RS485 cable when supplying the AOP30 from an external 24 V DC source – max. 200 m

Plug terminals

9-pin Sub-D socket

Assignment, RS485 cable

SINAMICS DCM DC Converter

Operating Instructions, 12/2018, A5E34763375A

6.9 Assignment of terminals and connectors

Plug terminals