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Thread: Prontor Magnetic pinout

  1. #1

    Prontor Magnetic pinout

    I have a Prontor Magnetic shutter with a Zeiss controller. The controller no longer works, however, for my purposes I don't really need much more than "open" or "closed", so, I want to make a simple switch with a power supply for the shutter.

    Does anyone know the pinout for this shutter? I'd rather have a good idea before I start experimenting and potentially damage the shutter.

    Thanks,
    Edwin

  2. #2

    Join Date
    Aug 2007
    Location
    Montgomery, Il. USA
    Posts
    539

    Re: Prontor Magnetic pinout

    No idea about the pinout. That's never stopped me in the past ;]
    you should be safe with a minimal voltage applied to various pins. One has to be a ground so if you have an ohm meter that's an easy one to find "0" resistance.
    Apply your negative lead to ground and momentarily apply to each remaining pin. One will open the shutter. You may want to limit the current to the shutter by putting a resistor in line with one of the leads.

  3. #3

    Join Date
    Jul 2009
    Location
    Sydney, Australia
    Posts
    51

    Re: Prontor Magnetic pinout

    See here for a datasheet. They're a little tricky as they want a 50 ms pulse at about 30V followed by a voltage of 3V to keep them open. I have two of these at home that I keep meaning to make a controller for - let me know how you go!

  4. #4

    Join Date
    Mar 2006
    Location
    Sullivan, IL
    Posts
    757

    Re: Prontor Magnetic pinout

    I have found for the Ilex shutters, for slower speeds, the 10x pulse requirement can be ignored, it's meant to get the shutter to snap open quickly by overcoming the magnetice hysterisis of the coil. For b and t one can use the lower voltage, or slightly more, the actual voltage needs to be determined based on your requirements for responsiveness.

  5. #5

    Join Date
    Jun 2006
    Posts
    34

    Re: Prontor Magnetic pinout

    I would be very interested to get the detailed schematics someone might have, especially how the pulses are generated.
    I am familiar with coil driving circuits, and know that you can destroy your electronics due to high induced voltage peaks.
    Using suppressor diodes will reduce this risk, but the mechanical response times will go up.

  6. #6

    Join Date
    Mar 2006
    Location
    Sullivan, IL
    Posts
    757

    Re: Prontor Magnetic pinout

    George, I'll have to dig up some old notes, but I generally used automotive relay drivers, they're robust enough and simple to interface.

  7. #7

    Re: Prontor Magnetic pinout

    Thanks for the ideas.
    I went to that Schneider page and completely missed the tech spec page. Thanks, Dave.

  8. #8

    Re: Prontor Magnetic pinout

    I have them. Call with which version Prontor Magnetic you have. 800 735-4373.

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