Pilz PSEN sc M 3 Series - Page 45

Project configuration
Operating Manual PSEN sc M 3.0/5.5 08-17
1005387-EN-05
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WARNING!
Firmware version < 3.1.5: Loss of the safety function by switching
within the 250 ms processing time
Depending on the application, serious injury or death may result.
If there is a switchover from one zone set to the next within the processing
time of 250 ms, this may not be detected. In this case, the selected zone set
does not correspond to the expected zone set.
– Ensure that no other switchover of the zone set takes place during
the processing time of 250 ms.
t[7]
[1] [2] [3]
[4] [5] [6]
[8]
[9]
Legend
[1] Zone set 1 is monitored
[2] Zone set 2 is monitored
[3] Zone set 1 is monitored again
[4] Input delay
[5] Processing time for switchover
} Firmware version from 3.1.5: 60 ms
} Firmware version < 3.1.5: 250 ms
[6] Input delay for the next switchover
[7] Processing time for the second switchover
[8] Input 1
[9] Input 2