Latching relays

Printed From: the12volt.com
Forum Name: Relays
Forum Discription: Relay Diagrams, SPDT Relays, SPST Relays, DPDT Relays, Latching Relays, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=86035
Printed Date: May 15, 2025 at 10:20 PM

Topic: Latching relays

Posted By: depgary25
Subject: Latching relays
Date Posted: November 22, 2006 at 6:22 PM

I have tried the latched on/off output with momentary pulse diagram located on page 5 of the special applications and cannot seem to get it to work. When connected according to the diagram I manage to get the light to turn on, but it does not shut off with another push of the momentary button. I have tried both diagrams (with diodes and without). Can anybody explain why it turns on but does not turn off?

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DEPGARY25

Replies:

Posted By: master5
Date Posted: November 22, 2006 at 6:33 PM

If you did the wiring correctly (triple check) it should work.

However I have had problems with this type of latching relay setup in the past due to the internal resistance of the item connected to it. It needs to read - through it to control one of the relays. Try using another light, type of light, or another light in parallel and see if it works then. There might be a way to shunt it with a capacitor as well but i don't remember the value, it's been a while.

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