Connecting The Auxiliary Voltage; Interconnecting Optional Connections - Siemens SINAMICS SM120 Operating Instructions Manual

Electrical connection

6.8 Interconnecting optional connections

You should only use the pre-assembled cable sets supplied. These cable sets are marked at
both cable ends with the precise designation of the connection point at which you must connect
or plug in the cable. Please proceed as follows:
1. Connect the signal and power supply cables. For further information, see the connection
2. Seal the cable routing according to the degree of protection required.
6.7

Connecting the auxiliary voltage

Connecting 230 V 1AC auxiliary voltage
Connect the 230 V 1AC auxiliary voltage e.g. for SITOP, closed-loop control, open-loop control,
cabinet lighting, service sockets, anti-condensation heating etc., to the relevant terminal
blocks. The maximum cross section of the cables is 2.5 mm
You will find detailed information in the terminal diagram or in the circuit manual under
"Technical specifications and drawings."
With options C30-C49, the auxiliary voltage can be drawn from the matching transformer.
Connecting the 400 V 3 AC/50 Hz auxiliary voltage
Connect the 400 V 3 AC/50 Hz auxiliary voltage, for example, for fans, pre-charging input
circuit, etc., to the relevant terminal block. The maximum cross section of the cables is 6
mm
You will find detailed information in the terminal diagram or in the circuit manual under
"Technical specifications and drawings."
See also
Technical data and drawings (Page 103)
6.8 Interconnecting optional connections
Depending on the range of options installed, further connections have to be interconnected.
Detailed information about interconnecting these options with the interfaces is provided in the
circuit manual.
72
diagram in the circuit manual.
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SINAMICS SM120 6SL38715
Operating Instructions 07/2015