Thread: AndyUK's Build - 1.2x1.0m Gantry
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31-10-2019 #1
Haha it does! Thankyou :)
In all seriousness, hopefully by sharing the woopsie moments I can prevent someone else doing the same in the future. This is my first time purchasing and specing out these types of components, and on the rapid electronics page and datasheet there is only a single line which alludes to the fact it's an AC coil; "for AC switching" which I took as "for switching AC loads" - I've never seen 24VAC used for control circuitry before, but clearly it's the default.
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The Following User Says Thank You to AndyUK For This Useful Post:
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02-11-2019 #2
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The Following User Says Thank You to CharlieRam For This Useful Post:
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02-11-2019 #3
Andy, you're showing your age (or lack of it
) 24v AC dates back to when control systems were relay based (eg the 1960's Marconi BD272 250kW radio transmitter). AC is better for 'wetting' relay contacts and obviously does away with the expense of a rectifier and smoothing.
Kit (aka Old Fart)An optimist says the glass is half full, a pessimist says the glass is half empty, an engineer says you're using the wrong sized glass.
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