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Rievtech ELC Series - Page 153

Rievtech ELC Series
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EN
Programmable Relay User Manual for ELC, EXM and PR Series 153 2020 v6.0 © Rievtech Co.,
Ltd. www.rievtech.com
No parameter of Latching relay can be set/modified in
runtime mode.
Timing diagram
Description of the function
The status of output Q changes with each 0 to 1 transition
at input Trg and if both S and R = 0, i.e. the output is
switched on or off.
Input Trg does not influence the SFB when S = 1 or R =
1.
A one-shot at input S sets the pulse relay, i.e. the output
is set to logical 1.
A one-shot at input R resets the pulse relay to its initial
state, i.e. the output is set to logical 0.
Either the input R takes priority over input S (i.e. the signal
at input S has no effect as long as R = 1), or the input S
takes priority over input R (i.e. the signal at input R has no
effect as long as S = 1), depending on your configuration.

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