IDEC SmartRelay functions
135
IDEC SmartRelay Manual
Timing diagram
Functional description
The time T
a
is triggered with a 0 to 1 transition at input Trg
(T
a
is the current IDEC SmartRelay time).
If the status of input Trg is 1 at least for the duration of the
configured time T, the output is set to 1 on expiration of this
time (the output follows the input with on-delay).
The time is reset when the status at input Trg returns to 0 be-
fore the time T has expired.
The output is reset to 0 when the signal at input Trg is 0.
If retentivity is not set, output Q and the expired time are re-
set after a power failure.
Trg
T
T
Q
T
a
expires
The bold section of the
timing diagram is also
shown in the On-delay
icon.
Courtesy of Steven Engineering, Inc. ● 230 Ryan Way, South San Francisco, CA 94080-6370 ● General Inquiries: (800) 670-4183 ● www.stevenengineering.com
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