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Need HELP w/Developing Elec. Schematic and Ctrl Ops for Reverse Osmosis System

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  • Need HELP w/Developing Elec. Schematic and Ctrl Ops for Reverse Osmosis System

    Hello! I'm building a homemade mobile reverse osmosis system for maple sap. I've plumbed and built the mechanics of the system, but am at an impasse as how to wire the machine with several control functions. I'm in over my head, as I knew I would be. Hoping to get some help on design and recommended components for this set up.

    I know I'll need the following functions:
    PWR Switch (220/240) - light indicator for power
    Push Start starts low pressure feed pump. Once low pressure reaches 30 psi, then high pressure pump turns on (light indicator?); if high pressure psi is exceeded, shut ALL down (light indicator?)
    If temp exceeds 110F, shut ALL down (light indicator?)
    If pressure drops below 30 psi, shut ALL down (light indicator?)

    I've attached the Reverse Osmosis (RO) mechanical sequence, pictures of the machine, and a list of components I have on hand. Thanks in advance.
    Attached Files


  • #2
    budget? click plc or productivity1000 are pretty close in budget, im partial to the p1000. as for the hmi, i wont waste my time on a cmoremicro 3inch, for not much extra the 4" is far more functional (fits in the same cutout)

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