schmersal PSC1 - Performance of System Tests; FIT Test (Fault Injection Test)

Installation manual
HB-37420-810-01-25F-EN PSC1-C-100 Installation manual - V2.2.docx Page 195 of 201
Version: 25F
General parameters correctly configured
Parameters sensor 1 correct
Parameters sensor 2 correct
12.3.9 Performance of system tests / FIT test ( F ault I njection T est)
For the FIT test the manufacturer must prepare a complete list of functions to be tested. This
list includes the safety functions defined as well as fault tests for checking the correct
response of the SRP/CS to these faults.
Example test list:
No.
Setup
Test
Result
1 Test SLS for max. speed setting up mode
Activate setting up mode
Movement with max.
permitted speed
• Diagnostics on the actual speed
versus SLS limit
• Tamper with the setting up speed
so it is above permitted limited
speed
2 Test SSX for stop category 2
Movement with max.
speed
Actuate EMERGENCY
STOP
• Diagnostics on the SSX ramp
against the actual deceleration
ramp
• Set an inadmissibly slow
deceleration
• Move the axis after reaching
standstill by tampering with the
drive
3 Test on the 2-channel door monitoring
Select setting up mode
operating mode
• Diagnostics on the inactive
monitoring with door closed (by
means of diagnostic function FUP)
• Diagnostics on the active
monitoring with door open (by
means of diagnostic function FUP)
• Disconnect a channel and open the
door
• Generate cross-circuit between the
two inputs