Pulse Relay - Easy Electronics xLogic Micro PLC User Manual

Timing diagram
Description of the 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
0
0
1
1
When retentivity is enabled, the output signal corresponds with the signal status prior to the power
failure.

6.5.17 Pulse relay

Short description
The output is set and reset with a short one-shot at the input.
Connection
Input Trg
139
R Q Remark
0 x Status unchanged
1 0 Reset
0 1 Set
1 0 Reset
Description
You switch output Q on or off with a signal at input Trg