If you control the safety functions in the inverter via fail-safe digital inputs, then you must check
as to whether the fail-safe digital inputs are in some instances interconnected with a "standard"
function.
Procedure with STARTER
Proceed as follows to check as to whether the fail-safe digital inputs are only used for the
safety functions:
1. In the project navigator, select the inputs/outputs.
2. Select the screen for the digital inputs.
3. Remove all interconnections of the digital inputs that you use as fail-safe digital input F-DI:
Figure 5-9 Removing the DI 4 and DI 5 digital-input connections
4. You must delete the digital input connections for all CDS if you use the switchover of the
command data sets (CDS).
You can find a description of the CDS switchover in the operating instructions.
You have ensured that the fail-safe digital inputs only control the safety functions in the inverter.
Commissioning
5.11 Setting basic functions
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD 141
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