solenoid valve

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  • #2050 Reply
    Sam
    Guest

    Hello
    Need help with solenoid valve. I did everything in the dropcontroller but I do not get twelve volts from the solenoid valve. I only get 6 volts. what did I do wrong?

    #2052 Reply
    Martyn
    Keymaster

    Check the power supply.

    Apart from the diodes, the solenoids should connect directly to the power supply.

    #2053 Reply
    Sam
    Guest

    Thanks Keymaster and Martyn for reply.
    From diodes is a 12 volts when i take minus from ground. But when take minus from TIP120, Than i got 6 volts.

    #2054 Reply
    Martyn
    Keymaster

    do you have the TIP120 connected correctly?

    can you somewhere post a diagram of this part of the circuit and also some photos

    #2060 Reply
    Sam
    Guest

    Thanks
    Now everything seems ok and works, but the diode lamp on the solenoid is not lit. It lights up when connecting 12 volts.

    #2061 Reply
    Martyn
    Keymaster

    Is the solenoid connected correctly? The valve will still work when connections are reversed but the LED will not light.

    What is the voltage to the valve? Maybe enough to move the solenoid but not enough to light the LED.

    #2062 Reply
    Sam
    Guest

    https://drive.google.com/open?id=0B1IlYjCcu-gtQmVITTAwU0hXVlU

    Hello
    Here is a picture showing + and -.
    I’ll try changing + and -.
    Thanks for the reply.

    #2192 Reply
    Emaad
    Guest

    hi,

    Great fantastic project.

    Can you please check this solenoid valve. Seller says its Japanese . will this work with our project.

    http://www.smcpneumatics.com/VZ2120-5LOZ-M5-F.html

    #2194 Reply
    Martyn
    Keymaster

    Ideally you need a simpler valve. Two position with a quick response time.

    2V025-08 – Shako, Chucka, SLGPC, Airtak and the usual.

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