Edge-Triggered Interval Time-Delay Relay - IDEC FL1E-H12RCA User Manual

IDEC SmartRelay functions
Timing diagram
Trg
Q
T is expiring
a
Functional description
A 0 to 1 transition at input Trg sets the output, and triggers a
time T
a
Output Q is reset to lo (pulse output) when T
value preset at T (T
The output is immediately reset if there is a 1 to 0 transition
at input Trg before the specified time has expired.
If retentivity is not set, output Q and the expired time are
reset after a power failure.
4.4.6

Edge-triggered interval time-delay relay

Short description
An input pulse generates a preset number of output pulses
with a defined pulse/pause ratio (retriggerable), after a
configured delay time has expired.
Symbol in IDEC
SmartRelay
140
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T
T has not expired
during which the output remains set.
= T).
a
Wiring
Input Trg
Input R
Parameter
Output Q
The bold section of the
timing diagram also
appears in the symbol
of the wiping relay.
reaches the
a
Description
A signal at input Trg (Trigger) triggers
the times for the edge-triggered
interval time-delay relay.
A signal at input R resets the current
time (T ) and the output.
a
The interpulse width T
width T are configurable.
H
N determines the number of pulse/
pause cycles TL/TH:
Range of values: 1...9
Retentivity: 
/ = No retentivity
R = The status is retentive.
Q is set after TL has expired, and
reset after TH has expired.
IDEC SmartRelay Manual
and the pulse
L