Easy xLogic, User Manual

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No parameter of Latching relay can be set/modified in parameter mode .
Timing Timing Timing Timing diagram diagram diagram diagram
Description Description Description Description of of of of the the the the function function function function
The latching relay represents a simple binary memory logic. The output value depends on the
input states and the previous status at the output.
Logic table of the latching relay:
S S S S R R R R Q Q Q Q Remark Remark Remark Remark
0 0 x Status unchanged
0 1 0 Reset
1 0 1 Set
1 1 0 Reset
When retentivity is enabled, the output signal corresponds with the signal status prior to the
power failure.
4 4 4 4.4.17 .4.17 .4.17 .4.17 Pulse Pulse Pulse Pulse relay relay relay relay
Short Short Short Short description description description description
The output is set and reset with a short one-shot at the input.
Connection
Connection Connection
Connection Description
Description Description
Description
Input S S S S Set output Q with a signal at input S (Set).
Input R R R R Reset output Q with a signal at input R (Reset). Output Q is
reset if S and R are both set (reset has priority over set).
Parameter Retentivity Retentivity Retentivity Retentivity set (on) = the status is retentive in memory.
Output Q Q Q Q Q is set with a signal at input S and remains set until it is
reset with signal at input R.
Connection Connection Connection Connection Description Description Description Description