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Need Help with a motor control

Discussion in 'Sensors and Actuators' started by brian haffke, Jul 10, 2017.

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  1. brian haffke

    brian haffke

    1
    0
    Jul 10, 2017
    I need help what I need is for a motor control when a line goes up and closes a limit switch it would allow the motor to run 3 seconds even after the limit switch is open this would allow the line to be loose and as it pulls up again same thing

    Thanks
     
  2. kellys_eye

    kellys_eye

    4,276
    1,146
    Jun 25, 2010
    Your description of the circuit operation is a bit vague, (not helped by the lack of punctuation making the current description difficult to understand) and our advice is given based on the detailing of the question... however what I think you're asking is as follows:

    Use a 3 second non-retriggerable monostable who's output is used to momentarily short the limit switch for the 3-second period you require.

    Google 555 monostable for suitable circuits. Use the 555 output to drive a relay where the contacts of the relay are wired across the existing limit switch.
     
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