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General wiring question for an alternate power source
DaOld Man:
--- Quote from: markronz on September 21, 2011, 09:59:09 am --- Does how I have it laid out seem to make sense to you? Seems to be right to me based on what I know from making arcades. The part that I most want to confirm is the ground wires. I'm essentially just twisting them all together? Nothing fancy there? I've already cut the original black wire in half from when I was playing with it before. So now I would just be twisting the original wire (now cut in two) with the ground from the wall wort?
Regarding that metal box in the upper right. I believe this is a sensor to count the number of tokens that are being paid out. This is because when the hopper gets low, the motor will be spinning, but tokens won't necessarily be going out consistently, so this sensor counts the number of tokens that actually get put out, to make sure the right number gets paid. There are three wires going to this metal box, a red, black, and brown on. Both the red and brown ones read at 4.8 all the time and spikes into the 20's when the payout starts. Do you think this is anything I need to worry about?
--- End quote ---
Your drawing looks right to me.
I would twist the wires together and solder, if you can. Then wrap the junction with electrical tape. If you cant solder it, twist it good and tape it.
The two black wires should tie into the negative wire from the wall wart.
The positive from the wall wart goes to the switch.
Im not sure about the counter, without a clear schematic or wiring diagram, theres no way I can tell.
But you can try the wall wart like you have drawn and see if it works. If it does, why worry?
Good luck, and let us know how it turns out.
markronz:
Well, I hooked everything up in the configuration from my photo! The good news is that everything works, and when I push the button, the tokens pay out! The bad news is that switching to the wall wort does make the alarm go off. So I have to push the reset button after each time I make it manually payout. This isn't the end of the world, I know that all I have to do is wire two buttons to the outside of the machine then (and deal with the alarm sound while tokens are dispensing). So it's not quite the one button, no alarm, type solution I was looking for, but it will have to do. Unless anyone has any ideas on how to make it not trigger the alarm? I'm going to guess no one will, since we don't have the schematics or wiring diagrams for all this. So I think we'll just go the two button route.
Thanks for the help everyone! It's most appreciated!
DaOld Man:
I would guess it is the counter setting off the alarm.
If you can unplug it, try that to see if it is alarming with the counter unplugged.
If not, you might can "kill" the power to the counter when you have the manual button pressed, but this would most likely require a different switch. A DPDT comes to mind.
markronz:
Well it seems like it must be one of two things thats triggering the alarm. Either it's recognizing that the original wiring was disconnected from the motor. Or the sensor is seeing that coins are passing out of the hopper, and they shouldn't be. I would suspect it's the sensor thing, but I should make sure. So I guess to test out the first, all I have to do is disconnect the original wiring and see if that alone causes the alarm to go off. If not, then power up the motor and spit a few quarters out.
Seems like if it's going off just because the wires are disconnected, then I'm really SOL, and I need to wire up the two buttons.
If it's the sensor causing the alarm, I could try cutting power to it like you've suggested. There are two wires, a brown and a red (also a black) that head to that sensor thing. So I will have to play with disconnecting one or both of those wires to see if that makes any difference.
Well, I'm about to leave for the weekend tonight. So early next week I will have to play around with this! I'll post my results when I'm done, just in case anyone is interested.
markronz:
Sorry it's been so long since I've last replied. Had the flu, cold, threw my back out, then cold again. Been a really nice string of luck! :) Anyway, I finally got a chance to look at this all again, and figured out a decent fix for my problem. I figured out (after clipping and playing with a few wires) that if I cut the brown wire going to the sensor on the hopper, then the alarm no longer goes off when I pushed the button to pay out tokens. So what I had to do was get a DPDT Momentary Pushbutton (On/On). I was then able to wire it up so that when the power was switched over to my wall wort, that the brown wire to the sensor was also disconnected. Then when the button is released, both the normal red power wire to the motor, and the brown wire to the sensor were again connected. This way the alarm does not go off when I push my new token button.
So this is a great solution for me. Now unfortunately, this only works about 80% of the time. The reason being that when you just cut the wall wort power to the motor, you are not controlling when the motor stops spinning. So occasionally it will stop, and a coin will be right in front of the sensor, not fully ejected. Naturally once you release the button the sensor it restored, and it doesn't like that. So the alarm will go off anyway. So I did end up having to wire the reset button there as well. So when the alarm goes off, I quickly tap the new payout button again to kick out the token, then I press the reset button. Both buttons are hidden behind the ash tray. So again, it's not 100% but it still works the majority of the time with just one button. And I'm very happy! Attached is a picture of my wiring diagram, just in case it helps anyone else some day! Again, it is a Bellco Digiflush machine that I have.
Thanks again for the help everyone!
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