Analog comparator (Ax – Ay) Analog threshold trigger
(Ax)
Analog amplifier (Ax) Analog multiplexer (AQ)
Analog ramp (AQ) Mathematic instruction
(AQ)
PI controller (AQ) Up/down counter (Cnt)
Analog filter (AQ) Average value (AQ)
Max/Min (AQ) On-delay (Ta)
Off-delay (Ta) On-/off-delay (Ta)
Retentive on-delay (Ta) Wiping relay(pulse output)
(Ta)
Edge triggered wiping relay (Ta)
Asynchronous pulse generator (Ta)
Stairway light switch (Ta) Multiple function switch (Ta)
Stopwatch (Ta)
The value of “T
H
” and “T
L
” is set/modified in parameter
mode. For information about how to modify, refer to
chapter 7.2.2, please.
For information on the validity and accuracy of the time
base, refer to 7.4.2
Timing diagram
The time T
H
is triggered with a 0 to 1 transition at input
Trg.
If the status at input Trg is 1 at least for the duration of
the configured time T
H
, the output is set to logical 1 upon
expiration of this time (output is on delayed to the input
signal).
The time T
H
is reset if the status at input Trg is reset to 0
before this time has expired.
The time T
L
is triggered with the 1 to 0 transition at the
output.
If the status at input Trg remains 0 at least for the duration
of a configured time T
L
, the output is reset to 0 upon
expiration of this time (output is off delayed to the input
signal).
The time T
L
is reset if the status at input Trg returns to 1
before this time has expired.
Retentive On-Delay
Description of function
A one-shot at the input triggers a configurable time. The
output is set upon expiration of this time.
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