Siemens Sinamics G120 Function Manual page 172

Commissioning
5.12 Setting extended functions
Test mode 1
Figure 5-18
When testing the fail-safe digital output, the inverter switches the two digital outputs on and
off alternating - and evaluates the voltage signal at output DO 2.
Test mode 2
Figure 5-19
When testing the fail-safe digital output, the inverter switches the two digital outputs on and
off alternating, and evaluates the feedback via a digital input.
172
Expected response at digital output DO 2 for test mode 1
Expected response at the digital input for test mode 2
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD