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10-05-2009, 10:23 AM
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#1
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Junior Member
Join Date: Oct 2009
Location: KY
Posts: 2
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I really need help..
i have to hook this up on a trainer but i dont know how to draw a ladder diagram and hw will not help me. and this is all he gave me to do it by..
1. when the start button is pressed a green light will come on and stay on
2. after 15sec the motor will start
3. when the stop button is pressed the motor will stay on for 10 sec and go off as well as the light.
i have 1 controll relay and 2 timer realys plzzz help me...
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10-05-2009, 10:48 AM
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#2
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Moderator
Join Date: Jan 2007
Location: Beautiful Cumberland Valley, in PA
Posts: 6,895
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Probably something along this lines would work.
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10-05-2009, 10:59 AM
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#3
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Junior Member
Join Date: Oct 2009
Location: KY
Posts: 2
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Time2 is a off delay right?
PS thanks alot man.. 
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10-05-2009, 11:05 AM
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#4
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Moderator
Join Date: Jan 2007
Location: Beautiful Cumberland Valley, in PA
Posts: 6,895
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T2 will have to have the capability of taking a pulse from the stop button to start the timing sequence, and not rely on the stop button to remain depressed. Some people call this a one shot timer.
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10-05-2009, 11:09 AM
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#5
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Moderator
Join Date: Jan 2007
Location: Beautiful Cumberland Valley, in PA
Posts: 6,895
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You might need a reset pulse to T2 in your start circuit, depending on what type/brand relay you use in T2. My drawing was meant to be pretty generic.
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02-17-2010, 03:09 PM
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#6
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Square D
Join Date: Feb 2010
Location: Philadelphia, Pa.
Posts: 21
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you need to put CR-1 contact paralelled under the start button in wrung 1 and get that jumper from in between wrung 1 and wrung 2 out of there or the light and T1 will energize immediately, And the stop should be a push-pull
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02-17-2010, 03:43 PM
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#7
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Registered Member
Join Date: Nov 2007
Posts: 2,575
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Quote:
Originally Posted by IneedHELP
i have to hook this up on a trainer but i dont know how to draw a ladder diagram and hw will not help me. and this is all he gave me to do it by..
1. when the start button is pressed a green light will come on and stay on
2. after 15sec the motor will start
3. when the stop button is pressed the motor will stay on for 10 sec and go off as well as the light.
i have 1 controll relay and 2 timer realys plzzz help me...
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You don't need help, you need a quick answer so you can go out and drink.
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02-17-2010, 04:18 PM
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#8
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Senior Member
Join Date: Apr 2009
Location: central east coast us
Posts: 802
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what good is taking this course going to do if you have other people doing your homework for you ? just quit the course and when you decide to take it seriously and learn it, then take it.
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Chuck Norris sleeps with a night light. Not because Chuck Norris is afraid of the dark, but the dark is afraid of Chuck Norris.
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02-17-2010, 06:20 PM
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#9
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Moderator
Join Date: Jan 2007
Location: Beautiful Cumberland Valley, in PA
Posts: 6,895
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Quote:
Originally Posted by LawnGuyLandSparky
You don't need help, you need a quick answer so you can go out and drink.
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This thread is a bit old, and the OP is long gone, but my drawing contained a purposeful error anyhow. The CR1 contacts to the light are not sealed, so the light will only flash on.
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02-17-2010, 06:25 PM
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#10
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B4T Scotchkote installer
Join Date: Feb 2009
Location: Long Island, N.Y.
Posts: 4,483
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Quote:
Originally Posted by LawnGuyLandSparky
You don't need help, you need a quick answer so you can go out and drink.
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WTF is up with you today.. the guy is looking for help and you dump on him
Your comments have found a new low 
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02-17-2010, 08:12 PM
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#11
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Not Peter D
Join Date: Jan 2009
Location: USA
Posts: 5,437
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Quote:
Originally Posted by MDShunk
This thread is a bit old, and the OP is long gone, but my drawing contained a purposeful error anyhow. The CR1 contacts to the light are not sealed, so the light will only flash on.
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What do you mean by "sealed"? As in held that the standard 3-wire start/stop circuit accomplishes?
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02-17-2010, 10:28 PM
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#12
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Senior Member
Join Date: Dec 2007
Location: Hamburg, PA
Posts: 266
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Quote:
Originally Posted by MDShunk
Probably something along this lines would work.
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Marc why is your symbol for the stop button the symbol for a start?
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02-18-2010, 01:08 AM
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#13
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Registered Member
Join Date: Nov 2007
Posts: 2,575
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Quote:
Originally Posted by MDShunk
This thread is a bit old, and the OP is long gone, but my drawing contained a purposeful error anyhow. The CR1 contacts to the light are not sealed, so the light will only flash on.
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...And posters here think I'm rude. You shouldve added a timer that would countdown to a dead short.
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