Siemens SINAMICS G120D Original Instructions Manual page 82

Adapt inputs and outputs
6.2 Fail-safe digital input
Special measures when establishing connections
When routing cables over longer distances, e.g. between remote control cabinets, you have
the following options to reduce the risk of damaged cables of your plant or machine:
● Use shielded cables with grounded shield.
● Lay signal cables in steel pipes.
Examples of connecting a safety-related input can be found in Section: Connecting the
safety-related input (Page 359).
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Converter with control units CU250D-2
Operating Instructions, 04/2014, FW V4.7, A5E34261542B AA