Forum Discussion
tommyznr
Jul 06, 2022Explorer
Sounds like a simple pre PLC control system from the 80's.
You need double acting solenoids (power to open, power to close, fail last) if you don't want constant power to the valve.
You need a low level switch for each jug, probably installed in the piping at the outlet of the jug.
You need a series of relays to perform the "logic" OR this could be better accomplished with a drum controller which is programmed via DIP switches.
When Mr Google was consulted I got a real definition for a drum controller but the actual product results were for controlling a percussion instrument.
Like Gdetrailer said, a pretty complex automation solution to a simple manual problem. But if you are into control DIY projects, it would be a fun one.
You need double acting solenoids (power to open, power to close, fail last) if you don't want constant power to the valve.
You need a low level switch for each jug, probably installed in the piping at the outlet of the jug.
You need a series of relays to perform the "logic" OR this could be better accomplished with a drum controller which is programmed via DIP switches.
When Mr Google was consulted I got a real definition for a drum controller but the actual product results were for controlling a percussion instrument.
Like Gdetrailer said, a pretty complex automation solution to a simple manual problem. But if you are into control DIY projects, it would be a fun one.
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