Pilz PSS u2 ES 4DI, Руководство по эксплуатации, Страница: 10 / 28

Function description
Operating Manual PSS u2 ES 4DI
1003609-EN-03
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}
The module detects any signals that are present at the input for longer than the minimum
signal time t
signal_min
.
t
signal_min
= t
filter
+ t
ProcIM
t
ProcIM
: Input processing time (see Technical details [ 24] ).
}
A signal is always detected and signalled to the head module's PII if it is present for
longer than the sum of the following times:
– Minimum signal time t
signal_min
– ST scan time
Clamp
Module
t
signal_min
Fig.: Software filter
Legend
Clamp Signal at the terminal
Module Filtered signal in the module
t
signal_min
Time for which a signal must be present at the input in order to be de-
tected