Siemens Sinamics G120 Function Manual page 43

Application examples
Example
When replacing the pressure cylinders of the plates, it is only
permissible that the drive moves in the safe direction.
After a protective device to detect a jammed door responds, a
rolling shutter gate may only move in the opening direction.
When a crane trolley is at the operating limit switch then it may
only start in the opposite direction.
To manually clean the roller in a printing machine, the roller must
only turn in a specific direction.
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD
3.7 An overview of the principle of operation of the safety functions
Description
Possible solution
● Select SDI in the inverter via a
fail-safe digital input or via
PROFIsafe.
● In the inverter, inhibit the
direction of rotation that is not
permitted.
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