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Thread: Encoder to drive and DRO?

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  1. 05-19-2007, 07:15 PM #1
    spoiledbrat
    spoiledbrat is offline Junior Member
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    Encoder to drive and DRO?

    Hello, all. I have been using mach for about 3 years now, driving a 3 axis servo system (homebuilt).
    I understand that there are inputs for a DRO within mach. Are these plugged in using the parallel port, or can I use another input?

    I currently use my parallel port to control my Gecko Drives, and I would like to send the encoder signals from my servos to both the Drive and back to the computer, for diagnostic stuff I want to do.
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  2. 05-20-2007, 01:08 AM #2
    Fifty_ohm
    Fifty_ohm is offline Registered
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    You'll have to use a second parallel port for the inputs but here is a circuit to allow feedback to the pc and to the servo drivers. I don't have a board layout but this circuit is pretty simple.
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    "Good judgement comes from experience, and a lot of that comes from bad judgment." - Will Rogers
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  3. 05-20-2007, 11:11 AM #3
    jfc11
    jfc11 is offline Registered
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    I bought this board but have not set it up yet http://www.rogersmachine.net/encoderinterface.html

    Jim
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