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nuckolls.bob(at)aeroelect
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 Posted: Tue Feb 26, 2013 4:22 pm Post subject: trouble with building Contactor 'Cooler' duty controller |
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At 02:31 PM 2/26/2013, you wrote:
| Quote: | The contactor no longer does anything when wired thru the device, but it works fine without the device.
V across coil is 0
V at pin 5 after 10 sec. is 11.9 (supply V is 12.7) |
No, need the voltage at pin 3 . . . we need to
know if the critter is dropping into low duty
cycle.
You should see about 12v for a period of time
and then it should drop to 4 volts or so.
Bob . . . [quote][b]
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nuckolls.bob(at)aeroelect
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| Posted: Wed Feb 27, 2013 3:34 pm Post subject: trouble with building Contactor 'Cooler' duty controller |
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At 05:15 PM 2/27/2013, you wrote:
| Quote: | Thanks ! Do you know how much electrical noise this circuit generates ?
All the best
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Should be tolerably low. It won't have
any radio frequency issues and conducted
audio frequency noise onto bus is very
low compared with other noises (like
alternator ripple).
Bob . . .
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