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IDEC SmartRelay functions
122
IDEC SmartRelay Manual
4.4.3
On-/Off-delay
Short description
The on-/off-delay function sets the output after the set on-de-
lay time has expired, and resets it upon expiration of the
off-delay time.
Symbol in
IDEC
SmartRelay
Wiring
Description
Input Trg
A positive edge (0 to 1 transi-
tion) at input Trg (Trigger)
triggers the on-delay time
T
H
.
A negative edge (1 to 0 tran-
sition) at input Trg (Trigger)
triggers the off-delay time T
L
.
Parameter
T
H
is the time after which the
output is set hi (output signal
transition 0 to 1).
T
L
is the time after which the
output is reset ( output signal
transition 1 to 0).
Retentivity:
/ = No retentivity
R = The status is retentive.
Output Q
Q is set when the configured
time T
H
has expired and Trg
is still set. It is reset on expi-
ration of the time T
L
, if the
trigger Trg has not been set
again.
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