wiring Relays and diodes

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domas

Member - Posts: 3

Joined: March 22, 2005

Location: United States

Posted: March 25, 2005 at 6:02 PM / IP Logged

Can anybody help me wire 2 relays , 2 diodes , switch 0n-0ff-on and 1 motor so that when switch in ON position motor rotates in direction A and when switch in other ON position motor rotates in dirrection B. Relays have to be wired the same way, and not using 87A, and 30, 85 to ground. 2diodes have to used.

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auex

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Joined: December 23, 2002

Location: Arizona, United States

Posted: March 25, 2005 at 6:36 PM / IP Logged

Why so many specifics? Also not using 87A you can't do a reverse polarity relay system. I say you are screwed unless the motor is self grounding. Also technically if the relays have to be wired the same way it won't work regardless because they will go to the same wires.

Why do I smell homework?

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domas

Member - Posts: 3

Joined: March 22, 2005

Location: United States

Posted: March 25, 2005 at 8:18 PM / IP Logged

thank you, auex, anyway

well, it's my small project. i think it's possilble, by using 2 diodes. Now i'm trying to find out. If i get an answer i'll let yuo know.

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auex

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Joined: December 23, 2002

Location: Arizona, United States

Posted: March 25, 2005 at 8:48 PM / IP Logged

Is there any reason why you can't use 87A?

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domas

Member - Posts: 3

Joined: March 22, 2005

Location: United States

Posted: March 26, 2005 at 8:51 AM / IP Logged

I know that there's 2 ways actually you can do that , but i just wanna find out how to do with 2 diodes. But if i don't figure it out i'll always can use 87A. Thanks, it were just only you who responded to my question.

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ff-mike

Copper - Posts: 199

Joined: November 15, 2004

Location: United States

Posted: March 30, 2005 at 12:36 PM / IP Logged

Why don't you just use a DP-DT-CO switch and screw the rest?

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wiring Relays and diodes

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