Function Check Of The Acceptance Test - Siemens Sinamics G120 CU240E Operating Instructions Manual

Functions
5.12 Safety-related applications
5.12.5.2

Function check of the acceptance test

Description
The function check must be carried out for each individual drive
(under the assumption that the machine permits this).
Conducting the test
First commissioning
Standard commissioning
Function check, "Safe Torque Off" (STO)
This check involves the following steps:
Table 5- 73
No.
1.
2.
3.
4.
5.
6.
208
Function, "Safe Torque Off" (STO)
Description
Initial state
The frequency inverter signals "ready for switching on" (P0010 = 0)
•
No safety faults and alarms
•
r9772.0 = r9772.1 = 0 (STO deselected and inactive)
•
P9659 = time intervals for the forced checking procedure correctly set
•
Switch on the motor
Check whether the motor involved rotates
Select STO while the ON command is being issued
Check the following points:
The motor coasts down to a standstill
•
The motor is braked and held by the mechanical brake if a brake is being
•
used
No safety fault
•
r9772.0 = r9772.1 = 1 (STO selected and active), r9772.14 = 1, if safe
•
brake control is active
Deselect STO
Please enter a
check mark
Operating Instructions, 08.10. 2008, t.b.d.
Status
Frequency inverter