Components in the same control cabinet, PP-switching outputs
You must use a two-channel cable connection when connecting PM-switching fail-safe digital
outputs to a fail-safe digital input.
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Figure 4-23 Connecting PM switching ET 200S outputs using a SINAMICS G120 with CU240E‑2 as
example
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The wiring of the ET 200SP shows as example, the supply of a new potential group when using a
bright base unit.
DI COM1
Reference potential for digital inputs DI 0 and DI 2
DI COM2
Reference potential for digital inputs DI 1 and DI 3
Figure 4-24 Connecting PM-switching ET 200SP outputs using a SINAMICS G120 with CU240E‑2 as
example
Installing
4.4 Controlling via a fail-safe digital input
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
78
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD