Appendix
A.5 Acceptance tests for the safety functions
Converter with the control units CU240D-2
Operating Instructions, 04/2018, FW V4.9 SP10, A5E34262100B AF
339
A.5.2
Acceptance test STO (basic functions)
Figure A-8 Acceptance test for STO (Basic Functions)
Procedure
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.
3. Select STO
3.1. Select STO while the motor is running.
Test each configured activation, e.g. via digital inputs and PROFIsafe.
3.2.
Check the following:
When controlled via
PROFIsafe
When controlled via an
F-DI failsafe digital input
When controlled via
STO_A and STO_B
terminals on a PM240-2
or PM240P-2 Power
Module