Siemens SIMATIC ET 200pro Series Operating Instructions Manual page 258

Appendix
A.4 Acceptance tests for the safety functions
Figure A-7
Procedure
To perform an acceptance test of the STO function as part of the basic functions, proceed as
follows:
1.
2.
3.
258
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.
Select STO
3.1. Select STO while the motor is running
3.2. Check the following:
The inverter signals the following:
•
"STO Selection via F0 rail" (r9772.17 = 1)
If a mechanical brake is not available, the motor coasts
•
down.
A mechanical brake brakes the motor and holds it to en-
sure that it remains at a standstill.
Operating Instructions, 09/2017, FW V4.7 SP9, A5E34257324B AE
Status
SIMATIC ET 200pro FC-2 converter