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IndustryArena Forum > CNC Electronics > Gecko Drives > g540 need more inputs!!!
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  1. #1
    Join Date
    Nov 2005
    Posts
    7

    g540 need more inputs!!!

    Hello,
    I am in the middle of converting a mill and ran out of inputs. I understand i could install another parallel port to gain more my question is how. I install the second port make sure i have the addresses right then what. Do i use another breakout board to connect to the mill. I see i could use pins 2-9 as inputs but how are they wired? Maybe a dumb question but i can't find any info on the topic.
    Thanks for the help,
    Dirk

  2. #2
    Join Date
    Jan 2007
    Posts
    599

    Re: g540 need more inputs!!!

    Yes you would need a break out board does not need to be anything fancy opto couplers would be good. Or you could try to be more efficient with what you got. Don't know whether you've don this but you could consider wiring a limit switches to the same input in series NC, could even include them in the E-stop circuit if you wanted to.....

  3. #3
    Join Date
    Mar 2003
    Posts
    35538

    Re: g540 need more inputs!!!

    Make sure the new breakout board supports using pins 2-9 as inputs. Not all do.
    Gerry

    UCCNC 2017 Screenset
    http://www.thecncwoodworker.com/2017.html

    Mach3 2010 Screenset
    http://www.thecncwoodworker.com/2010.html

    JointCAM - CNC Dovetails & Box Joints
    http://www.g-forcecnc.com/jointcam.html

    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)

  4. #4
    Join Date
    Jul 2016
    Posts
    1

    Re: g540 need more inputs!!!

    Quote Originally Posted by ger21 View Post
    Make sure the new breakout board supports using pins 2-9 as inputs. Not all do.
    May I ask why? I'm asking because on the input config screen on mach3 it says "Pins 10-13 and 15 are inputs. Only these 5 pin numbers may be used on this screen."

  5. #5
    Join Date
    May 2017
    Posts
    7
    Could add a CNC Drive UC300 ETH. it will give you 5 parallel ports ( 2 x regular and 3 input heavy). It also provides analog ports etc;

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