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Thread: XYZ Probe modification

  1. #37
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    bet you dont have to hold that anchor!!!! lol good job

    Bob



  2. #38
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    Default nice work

    awesome im making one right now, thanks for sharing!



  3. #39
    Member fretsman's Avatar
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    You may also have to connect a 0.10uf capacitor between the wire and ground.
    erniebro, may I ask why you had to add the capcitor? Are you looking for a certain value? Should I check what my input is that I wll be using for this to be sure, and what exactly should I get with my multimeter? Thanks again for your help with this thread, it really has gotten me to make one of these but I just don't want to fry anything, lol!

    Dave->..


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    Default Re:Capacitor

    Dave-

    I initially hooked up the signal wire without the capacitor and I got false edge detections when I ran the probing code. I think the wiring in my shop is pretty poor which doesn't help. Anyway, the capacitor helps to "debounce" the circuit so short spurious signals won't be read as a contact. It takes a good solid contact now before it registers. 0.10uf was the value suggested in several other threads and it worked for me. I didn't try any other values. Larger values will slow the circuit. Smaller values may not filter out the spurious signals. YMMV

    -Ernie



  5. #41
    Member fretsman's Avatar
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    Thanks for the quick reply and info, Ernie, I really appreciate it-

    Dave->..


  6. #42
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    Default not yet implemented message

    When I click on Auto Tool Zero iI get message Not Yet Implemented. I have enabled probe and using automated setup set it to port2 pin3.

    Last edited by Art Ransom; 04-26-2008 at 10:38 PM.


  7. #43
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    have you followed the instructons exactly in order?
    What machine are you running?
    give us more info.....

    Bob



  8. #44
    Registered Art Ransom's Avatar
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    went back through step 3 and 4 and double checked. The machine I am using is a DIY indexer that can be seen at http://www.turningaround.org/4_axis_mill.htm. I am using Bob Campbel's controler, http://campbelldesigns.net/. and port 2 pin 3 because I amusing 5 steppers and all inputs on port 1 are used. Could using port 2 be a problem?



  9. #45
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    Art-

    That's one monster machine you built! It looks like the Cambell breakout board only handles 1 parallel port. Did you plug the second parallel port into another breakout board or are you using it directly from the back of your computer? Are you using port 2 for any other functions? Did you put in the correct address for port 2 into Mach?

    If you are using a second Cambell breakout board, it normally uses pin 3 for Y Step which is an output, not an input. You'll probably have to use X,Y,Z or Aux home on the Cambell board which correspond to pin 11,12, 13, 15 of the parallel port.

    -Ernie



  10. #46
    Registered Art Ransom's Avatar
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    Default re

    I am using Campbell's aux i/o board for port 2 it actually drives the slave motor on x. When I set up probe I used the automated feature. Mach saw the pin I am using and posted it as port 2 pin 3.



  11. #47
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    Art-

    What version of Mach are you using? The probe software requires Mach3.

    -Ernie



  12. #48
    Registered Art Ransom's Avatar
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    running 3.037.



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