Siemens SINAMICS G120 Operating Instructions Manual page 499

Figure A-13
Procedure
To perform an acceptance test of the STO function as part of the basic functions, proceed as
follows:
1.
2.
Converter with the CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2017, FW V4.7 SP6, A5E34259001B AD
Acceptance test for STO (basic functions)
The inverter is ready
● The inverter signals neither faults nor alarms of the safety functions (r0945[0...7],
r2122[0...7]).
● STO is not active (r9773.1 = 0).
Switch on motor
2.1. Enter a speed setpoint ≠ 0.
2.2. Switch on the motor (ON command).
2.3. Check that the correct motor is running.
A.6 Acceptance tests for the safety functions
Appendix
Status
499