Function Test; Safe Torque Off, Sto (Basic Safety) - Siemens SINAMICS G120 Function Manual

Commissioning
4.8 Acceptance test - Completion of commissioning
Table 4- 3 Example:
Drive
1
2
4.8.5

Function test

4.8.5.1

Safe Torque Off, STO (Basic Safety)

The following is checked during the function test:
● The hardware is functioning properly.
● The digital inputs of the inverter are assigned correctly for the safety function.
● The PROFIsafe address of the inverter is set correctly.
● The safety function is parameterized correctly.
● Routine for forced dormant error detection of the switch-off signal paths on the Control
Note
Perform the acceptance test with the maximum possible speed and acceleration.
Procedure
Table 4- 4 "Safe Torque Off" (STO) function
No.
1. Initial state:
The inverter is in "Ready" state (p0010 = 0).

The inverter indicates neither faults nor alarms for safety functions (r0945, r2122, r2132).

STO is not active.

2. Switch on the motor (ON command).
3. Ensure that the correct motor is running.
4. Select STO while the motor is running
Note: Test each configured activation, e.g. via digital inputs and PROFIsafe.
120
Safety function
STO
SS1
SS1
SLS 0
SLS 2
Unit.
Limit
-
Reference speed = 1500 rpm
Delay time = 250 ms
Monitoring time = 5 s
Reference speed = 1500 rpm
Delay time = 250 ms
Monitoring time = 8 s
150 rpm
1500 rpm
Description
Function Manual, 07/2010, FW 4.3.2, A5E03052391B AA
Safety Integrated Function Manual, SINAMICS G120
Status