Sto Acceptance Test; Select Sto; Deselect Sto - Siemens SINAMICS S210 Operating Instructions Manual

Safety functions integrated in the drive
4.6 Acceptance - completion of commissioning
4.6.1

STO acceptance test

Precondition
The converter is ready for operation.
● The converter signals neither faults nor alarms of the safety functions (r0945[0...7],
r2122[0...7]).
● STO is not active (r9734.0 = 0).
Procedure
Use the following procedure for the acceptance test of the Basic Function STO:
Switch on motor
1. Enter a speed setpoint ≠ 0.
2. Switch on the motor (ON command).
3. Check that the correct motor is running.

Select STO

1. Select STO while the motor is running.
Test each configured activation, e.g. via digital inputs and PROFIsafe.
2. Check the following:
– If a mechanical brake is not available, the motor coasts down.
– The converter signals neither faults nor alarms of the safety functions (r0945[0...7],
– The converter signals the following:

Deselect STO

1. Deselect STO.
2. Check the following:
– STO is not active (r9734.0 = 0).
– The converter signals neither faults nor alarms of the safety functions (r0945[0...7],
78
A mechanical brake brakes the motor and holds it to ensure that it remains at a standstill.
r2122[0...7]).
"STO is active" (r9734.0 = 1).
r2122[0...7]).
SINAMICS S210 servo drive system
Operating Instructions, 12/2017, A5E41702836B AA