Siemens SINAMICS DCM Manual page 111

Connecting
6.2 Cable routing into the unit
Option L05: Connecting the electronic power supply
Devices with "Power interface with DC electronic power supply"
①
Figure 6-12
Connection for the PROFIBUS cable
(not visible in the photographs above):
● Route the PROFIBUS cable into the device from the bottom
● Screw the PROFIBUS bus connector to connector X126 at the CUD using the two screws
● It is not necessary to have a shield support in the device, it is recommended that the
shield is connected in the cabinet.
DANGER
Possible contact with live parts
PROFIBUS cable on connector X126: The PROFIBUS cable must only be connected or
disconnected in a de-energized state.
Otherwise, there is a danger of coming into contact with live components behind the
terminal.
112
Use a cable tie to attach the cable to the circuit board (Power Interface)
Option L05, electronic power supply
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SINAMICS DCM DC Converter
Operating Instructions, 02.2015, A5E34763375/RS-AA/001