10 second relay
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=125390
Printed Date: May 19, 2024 at 4:50 AM
Topic: 10 second relay
Posted By: d6-karl
Subject: 10 second relay
Date Posted: January 01, 2011 at 3:34 PM
Hey guys a couple of years back I picked up a relay that stayed energised for around 10secs but for the life of me cannot find it after I striped the old car and cannot find anything like it at my local electronics shop or online, it's most probedley me looking for the wrong thing, would any one know the correct name I should search for, also it's needed to keep a couple of LEDs on after unlocking my car, used to work the doorhandle lights :)
Replies:
Posted By: i am an idiot
Date Posted: January 01, 2011 at 4:17 PM
DEI makes several timed relays. Somebody here should be able to tell you which one will work for you.
Posted By: i am an idiot
Date Posted: January 01, 2011 at 4:23 PM
Posted By: howie ll
Date Posted: January 01, 2011 at 6:11 PM
DEI 528t, readily available in the UK, about £6 net dealer cost.
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Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: i am an idiot
Date Posted: January 01, 2011 at 6:52 PM
That was the first one I thought of, but the manual here only had installation instructions. I saw no mention of how long of a pulse it would generate. The other one is adjustable up to 100 seconds. I take it the one I posted is a bit more costly than the 528.
Posted By: howie ll
Date Posted: January 01, 2011 at 7:00 PM
Yes by a lot. 528 runs to 5 minutes.
Isn't there a simple circuit using a relay, resistor and cap?
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: Ween
Date Posted: January 01, 2011 at 7:13 PM
thought the 528T was only good for about 60 seconds, but i know you can replace the large electrolytic capacitor in it to a larger value for a longer delay.
mark
Posted By: howie ll
Date Posted: January 02, 2011 at 4:42 AM
Mark, I think you're right, did them some years back for a prototype display system on London Taxis and I used modified Velleman kits instead to get 5 minutes.
-------------
Amateurs assume, don't test and have problems; pros test first. I am not a free install service.
Read the installation manual, do a search here or online for your vehicle wiring before posting.
Posted By: d6-karl
Date Posted: January 02, 2011 at 8:13 AM
thanks for the replys guys, very helpfull
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