Siemens SINAMICS S120 System Manual page 45

The following control and test sequence applies:
Release the
shutoff valve
The Diag DO signals are checked cyclically by the safety functions in both monitoring
channels. To do so, the HLA module of the Control Unit provides the Diag DO signals via
DRIVE-CLiQ.
The following faults are output in the event of an error:
● F01632 SI HLA channel 1: shutoff valve control/feedback signal error
● F30632 SI HLA channel 2: shutoff valve control/feedback signal error
The following may be possible causes of a fault:
● Shutoff valve either not connected or not correctly connected (X271, X272)
● Feedback signal of the shutoff valve either not connected or not correctly connected
(X281, X282)
● p9626 (channel 1) or p9826 (channel 2) incorrectly set
● Shutoff valve defective
● HLA module defective
Hydraulic Drive
System Manual, 04/2015, 6SL3097-4BA00-0BP1
Step F-DO + F-DO -
1 0
2 1
3 1
Diag DO + Diag DO -
0 0
0 1
1 1
Configuration
3.3 Configuring the hydraulics
Step Close the
shutoff valve
0 3
0 2
1 1
45