Funways Robojac

Introduction Forums Relay Pods Funways Robojac

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  • #7523
    GSOSwitch
    Participant

    I can never see the original posts for anything in this forum, so I’m replying to my new post with the same text…

    “Has anyone used the relay pod to operate the Funways Robojac milker? Funways is gone now, so I can’t get any technical specs from them, but I have one of their machines and would like to be able to control it from the Centipede.
    The Robojack has a remote dial that adjusts the speed of the pump. Suction and stroke length is set from a dial on the machine. I have no idea what the internal voltage for the control box is. I think it is just a dial pot to adjust the voltage to the pump for variable speed.
    Any thoughts would be appreciated.”

    #7524
    GSOSwitch
    Participant

    More Info:
    I opened the control box. It is a 3 conductor pot which I numbered 1-3 left to right.(wish I could post a pic).
    I put a meter set to 20vDC on the contacts with the machine running and got the following:
    B1 / R3 | 0= 1.57 | Full= 1.90
    B3 / R1 | 0=-1.57 | Full=-1.90
    B1 / R2 | 0= 1.90 | Full= 0
    B2 / R1 | 0=-1.98 | Full= 0
    B2 / R3 | 0= 0 | Full= 2.48
    B3 / R2 | 0= 0 | Full=-2.54

    I’m not an expert, but I believe this means it’s topping out at 2.54 volts?
    Will the Relay Pod interact with this properly to manage the variable speed of the stroker?

    • This reply was modified 3 days, 15 hours ago by GSOSwitch.
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