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.