Siemens SINAMICS G120 Operating Instructions Manual page 245

Recommended acceptance test
The following descriptions for the acceptance test are recommendations and describe the
principle of acceptance. You can deviate from the recommendations, if, after completion of
the commissioning, you check the following:
● Correct assignment of the interfaces of each converter with the safety function:
● Correct setting of the STO safety function.
Figure 9-39 STO acceptance test for basic functions
SINAMICS G120C frequency converter
Operating Instructions, 03/2012, FW V4.5, A5E02999804B AB
– Fail-safe inputs
– PROFIsafe address
Note
Perform the acceptance test with the maximum possible velocity and acceleration in
order to test the expected maximum braking distances and braking times.
Note
Non-critical alarms
The following alarms occur each time the system boots, and are not critical for the
acceptance:
 A01697
 A01796
9.10 Fail-safe function Safe Torque Off (STO)
Functions
243