A.2.2 Acceptance test STO (extended functions)
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Figure A-2 Acceptance test for STO (Extended functions)
Procedure
To perform an acceptance test of the STO function as part of the extended 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 (r9722.0 = 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.
3.2.
Check the following:
● If a mechanical brake is not available, the motor coasts down.
A mechanical brake brakes the motor and holds it to ensure that it
remains at a standstill.
● The inverter signals neither faults nor alarms of the safety functions
(r0945[0…7], r2122[0…7]).
● The inverter signals the following: "STO is active" (r9722.0 = 1).
Appendix
A.2 Examples of acceptance tests
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD 385
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