Limit Switch Software Problem


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  1. #1
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    Default Limit Switch Software Problem

    I recently rewired my limit switches to free up a pin for an emergency stop button and auto zeroing and now each time I engage a limit switch it doesn't allow me to reset the switch automatically and I have to go back into Config - Ports and Pins in Mach 3 to disable them each time before I can reset my cnc machine. I was previously able to do so via a warning screen that showed me that a limit switch was triggered and asked me if I wanted to reset the switch automatically. I'm not sure why this is happening now and don't want to waste a lot of time trying to figure this out myself. Is there anyone that has had a similar problem or that can give me a hand with solving this problem for me. Thanks in advance for any assistance that you can provide.

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  2. #2
    Member ger21's Avatar
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    Default Re: Limit Switch Software Problem

    Do you have Automatic Limit Override turned on?
    Or have you tried Manual override?

    Gerry

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    Default Re: Limit Switch Software Problem

    Quote Originally Posted by ger21 View Post
    Do you have Automatic Limit Override turned on?
    Or have you tried Manual override?
    I have corrected the problem myself and I did have it set on manual limit override. Thanks for your reply.



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    Default Re: Limit Switch Software Problem

    Hi everyone am a newbie and in need of help
    On how to wire up limit switches to my new
    Cnc 6040z USB 3 axis machine ?
    The board in the black box is JP-3163B with
    Optional A-axis connectors or (4th axis) now there's
    Connectors on it which I don't know where or
    how to connect 2(limit switches) on each axis???? Please help



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    Member john-100's Avatar
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    Default Re: Limit Switch Software Problem

    is this your board ???


    Limit Switch Software Problem-one-3-4-axis-board-jpg

    (first web search result for JP-3163B)



    john



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    Default

    The board you showed me is similar, im send
    pic attachments of actual board and also a single
    Stepper motor card for the A axis I bought that I
    Want to connect ..also mine has only one big parallel
    DB connector and no db 9...

    Attached Thumbnails Attached Thumbnails Limit Switch Software Problem-img_1190-jpg   Limit Switch Software Problem-img_1189-jpg   Limit Switch Software Problem-img_1188-jpg   Limit Switch Software Problem-img_1187-jpg  

    Limit Switch Software Problem-img_1281-jpg  


  7. #7
    Member john-100's Avatar
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    Default Re: Limit Switch Software Problem

    combining the information I found on the web with your second photo

    I would connect the limit switches like this for the first 3 axis

    Limit Switch Software Problem-photo-2-plus-limit-switch-detail-jpg


    when you add the 4th axis

    you could either use the input labled probe if your not using a probe

    Limit Switch Software Problem-4-axis-limits-jpg
    or
    combine the 4th axis switches with one of the other axis limit switches
    Limit Switch Software Problem-probe-4-axis-limit-switch-detail-jpg

    I can not add more detail to this diagram to connect the 4th axis driver
    without detailed photos of the connectors
    or the user manuals for the 3 axis board and the single axis driver

    Limit Switch Software Problem-connecting-4th-axis-jpg

    Limit Switch Software Problem-connecting-4th-axis-2-jpg

    John

    Last edited by john-100; 08-17-2017 at 06:38 AM. Reason: add 4th axis diagram


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