Its for when a timer runs out and a relay turns off a light, I would like a bell to ring at the same time. IT can either ring when one side of the relay turns on or the other side turns off. It should be twelve volts. Something other than a door bell, I've tried them and they don't last more than a couple of months.
You're right I didn't give a good discription. Let me try again
I have a twelve volt power supply that is hooked up to a power strip which is driven by a timer accumulator. When the timer runs out the power strip goes dead turning off the power supply and a couple of other things. The twelve volt power supply on the power strip is hooked up to a relay that it switches on and off or... from one relay to another.
On one side of the relay I have another power supply that has a "in use" and a "vacant" light hooked up to one side. When the power strip goes on the relay is switched and the "in use" light goes on, when the power goes off the "vacant" light goes on.
If you need to know, its for an adult oriented business.
this is the relay
1 and 2 twelve volt switcher1-positve 2-negative
3-positive side of power supply 4-bell? 5-in use light 6-bell 7-vacant light 7-bellUsing the side with the bell hooked up I can either have the bell go off when the circut is opened or closed.
A couple of problems with the door bell is that electro mechanical ones burn out the magnet from being held on, with an electronic one if the bell is held on for a while it rings off and on. Bells are also made very cheaply and the ones that don't ring when held "on" just crap out over time too. I'm going to look into the part number you gave me, thanks.
Good morning. If you could be a little more descriptive, you might get a better response.
I would guess from what you've said that you've got something like an Intermatic light timer switching line voltage for the lights, and you want a bell indication when the lights go off. You hooked up a bell transformer to the other side of the switch, and that gives you the "binnng" of the doorbell when the lights go off. If that's not it, try again with some more information.
But if it is, you might want to ask yourself, "where's the 'bonnng?' " (no humor, please) While bell transformers are made for continuous duty, the solenoid driving the doorbell itself isn't. The thing is probably overheating and eventually burning out, which is why you're getting poor results.
What you need to complete your project is called an interval timer. When power is applied, the internal switch is closed for a preset interval, and then it turns off by itself and stays off as long as power is on. If you're just driving a bell transformer, you can get a small solid state interval timer and mount it in the Intermatic box. They cost a lot less than the standard interval timer relays, and are also smaller. The output can go to your bell transformer and doorbell.
One good choice for this is McMaster-Carr P/N 7457K65, which is available for $22.19 USD.
You'll also have to use a pot or fixed resistor to set the time delay. Ask for the 0.5 to 5 second model. This way, you can go with what you've got.
Of course, that might not be what you've got at all.
O, well.
Good luck Chris
L1(Hot) L2(Neutral) | | | .-----------------. | | | | | | | Timer/ | | o--o Accumulator o-------------------o | | | | | '-----------------' | | In Use | | CRY1A .-. | | .------( X )-----------o | N.O. | '-' | | o------' | o------o--__ | | Common o------. Vacant | | N.C. | .-. | | '------( X )-----------o | '-' | | .------------o | CRY1B | | | '---. ,-----------. | o- )|( | o------o--__ .---------. )|( | | o----o SSR/ o-----' '------. | | N.C.| Interval| Bell | | | | Timer | Xfmr | | | | | .--o----o--. '---------' | | | Doorbell | '----------'
From Power Strip
L1(Hot) L2(Neutral) | | | .-------------------. | | | | | o---------o 12V DC Switching o----------o | | Power Supply | | | | | | | | + - | | '-o---------------o-' | | .---------' '-----------. | RY1 | | ___ | o----------------UUU------------------o | | | |
created by Andy´s ASCII-Circuit v1.24.140803 Beta
This should do the trick. If you have any questions, feel free to email.
Good luck Chris
OK, great. I'm going to print this out a puzzle through it.
Just knowing about the part you suggested should do the trick. You were a lot of help, it helped me typing it out to conceptualize...
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