Pilz PSS u2 EF 8DO 0.5A Operating Manual page 14

Function description
FS outputs can be switched off with a delay. Even if the process image of outputs switches
from "1" to "0", a "1" signal may remain at the output for the duration of the delay. If there is
another "1" signal during the switch-off delay, the switch-off delay time is reset again and
restarts at the next "0" signal.
In the event of external errors, e.g. if the connection to the controller is lost, the output is
switched off after the set switch-off delay.
However, in the event of internal module errors, the switch-off delay cannot be guaranteed.
Default value: 0 ms (immediate shutdown).
Fig.: Switch-off delay
Legend
PIO
tdelay
Clamp
Operating Manual PSS u2 EF 8DO 0.5A
1003621-EN-03
1
PAA
0
1
Clamp
0
Process image of outputs
Configured switch-off delay time
If there is another "1" signal, the time is reset and restarts
at the next "0" signal
Signal at the terminal
tdelay
tdelay
t
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