Siemens SINAMICS G120 - Testing the Basic Functions

6.2.3 Testing the basic functions
Time
The inverter monitors as to whether the self test (= forced checking procedure, test stop) is
regularly started.
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Figure 6-1 Starting and monitoring the forced checking procedure (test stop)
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Figure 6-2 Start and monitoring of the forced checking procedure (test stop) for STO via Power Module
terminals
In the case of alarms A01699 and A01678, you must initiate a self test at the next opportunity,
e.g.
● When the drives are at a standstill after the system has been switched on.
● When a protective door is opened.
● At specified regular intervals before the monitoring time expires.
Inverter signals Parameter Included in the PROFI‐
safe telegram
Can be interconnec‐
ted with
F-DI F-DO
STO active (basic functions) r9773.1 ✓ --- ✓
STO deselection (basic functions) r9773.0 ✓ ✓ ---
STO cause – selection via Power
Module terminals
r9772.25 --- --- ---
Forced checking procedure (test
stop) for the "STO via Power Module
terminals" function
r9773.30 --- --- ---
Forced checking procedure (test
stop) required for the basic functions
r9773.31 --- --- ---
Operation
6.2 Regularly testing the safety functions
Safety Integrated - SINAMICS G110M, G120, G120C, G120D and SIMATIC ET 200pro FC-2
216 Function Manual, 01/2017, FW V4.7 SP6, A5E34261271B AD