Siemens SINAMICS G120D - Page 382

Appendix
A.8 Acceptance tests for the safety functions
Converter with control units CU250D-2
382 Operating Instructions, 04/2015, FW V4.7.3, A5E34261542B AB
Figure A-9 Acceptance test for STO (basic functions)
Procedure
To perform an acceptance test of the STO function as part of the basic functions, proceed as
follows:
Status
1.
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).
2.
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.