need relay help

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moto-x

Member - Posts: 6

Joined: September 24, 2004

Posted: September 24, 2004 at 7:23 PM / IP Logged

Iam building a custom motorcycle that has most of the normal parts hidden in effort to keep with this theme iam trying to wire in a keyless ignition switch i have a keyless entry alarm that sends a pulse for on and another different pulse for off , I need a dual latching 12 volt relay that is small because i have no room to work with. I dont want the same button to turn the bike on and off. Ive found the relay i need from tyco industries but i havnet been able to find anyone who carrries it. PLease Help

hotwaterwizard

Silver - Posts: 1,350

Joined: December 11, 2003

Location: California, United States

Posted: September 26, 2004 at 3:12 AM / IP Logged

you can use a standard Cube Relay.

John DeRosa (Hotwaterwizard)

Stockton California

When in doubt, try it out !

hotwaterwizard

Silver - Posts: 1,350

Joined: December 11, 2003

Location: California, United States

Posted: September 26, 2004 at 3:15 AM / IP Logged

You can Eliminate the normally closed switch if your power lead is switched.

Jost put a wire there.

When the power is turned off to the relay it will automaticly unlatch.

John DeRosa (Hotwaterwizard)

Stockton California

When in doubt, try it out !

moto-x

Member - Posts: 6

Joined: September 24, 2004

Posted: November 05, 2004 at 4:54 PM / IP Logged

that wontwork the remote sends a single pulse for on and a single pulse for off there isnt a constant signal

hotwaterwizard

Silver - Posts: 1,350

Joined: December 11, 2003

Location: California, United States

Posted: November 05, 2004 at 6:27 PM / IP Logged

https://www.the12volt.com/doorlocks/page4.asp#sppbdl

Single Pulse to Lock and Unlock

Using a mechanical latching relay like the PCB lacthing relay pictured below on the left and an SPDT relay, you can use a single negative output to alternately lock and unlock the doors. The mechanical latching relay only requires it's coil to be momentarily energized to change and maintain the opening or closing of it's contacts. The SPDT relay will provide a dedicated negative output for lock when the coil is energized and a dedicated output for unlock when it is not energized.

John DeRosa (Hotwaterwizard)

Stockton California

When in doubt, try it out !

hotwaterwizard

Silver - Posts: 1,350

Joined: December 11, 2003

Location: California, United States

Posted: November 05, 2004 at 6:38 PM / IP Logged

need relay help -- posted image. https://www.the12volt.com/relays/page5.asp#ctm

Constant to Momentary Output

The capacitor allows the coil of the relay to be energized until the capacitor stores a charge, thus de-energizing the coil. The resistor bleeds off the charge of the capacitor when positive voltage is removed from the other side of the coil. You can increase the output time by simply changing the value of the capacitor. This one will give you about a 1/2 second output.

John DeRosa (Hotwaterwizard)

Stockton California

When in doubt, try it out !

moto-x

Member - Posts: 6

Joined: September 24, 2004

Posted: November 16, 2004 at 2:39 PM / IP Logged

OK i n think were still off here. The door lock unit sends a positive pulse one for on and one for off.I need to make that pulse send power to the key switch when i hit on and i need it to take away power when off. And if thats not enough i have hardly any room for a ton of relays. Thanks for all the help so far

moto-x

Member - Posts: 6

Joined: September 24, 2004

Posted: November 16, 2004 at 3:28 PM / IP Logged

doesnt anybody make a dual latching relay that i can use?

Qtrhorse

Member - Posts: 4

Joined: November 09, 2004

Location: United States

Posted: November 17, 2004 at 4:07 PM / IP Logged

Hotwaterwizard;

What software did you use to design the relay diagrams if you don't mind me asking? Does it matter if you wire the 12v hot from a power source/ battery to the 30 or 87 tab or do they both accomplish the same thing if your trying to turn something on from a switch or ignition only source?

hotwaterwizard

Silver - Posts: 1,350

Joined: December 11, 2003

Location: California, United States

Posted: November 17, 2004 at 4:15 PM / IP Logged

Yes it does matter which one but, you could switch the Ground and Hot if you need a Negitive Latch.

Here is a Different View of the same circuit. need relay help -- posted image.

John DeRosa (Hotwaterwizard)

Stockton California

When in doubt, try it out !

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