Super-PID new low-cost router speed controller - Page 96


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  1. #1141
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    can that be somehow faked with a switch? Or a Hi-Lo signal on one of the parallel port pins?

    [URL="http://www.cnczone.com/forums/cnc_wood_router_project_log/124543-mountaincrafts_router_plasma_build_thread.html"][U]4' x 8' CNC Wood Router Project[/U][/URL]
    [U][URL="http://www.cnczone.com/forums/woodworking/135576-home_made_drum_sander.html"]Home Made Drum Sander Project[/URL][/U]


  2. #1142
    Community Moderator Al_The_Man's Avatar
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    A relay or a switch does not really confirm the Spindle is actually running, the ideal would be an output on the Super-PID to a Mach input, the confirmation would come from the speed sensor itself.
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
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  3. #1143
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    If it can be faked, my interlock switch can be used to both remove/re-apply power to the '120v in' of the S-PID and also provide/remove the input on the pin or whatever...

    [URL="http://www.cnczone.com/forums/cnc_wood_router_project_log/124543-mountaincrafts_router_plasma_build_thread.html"][U]4' x 8' CNC Wood Router Project[/U][/URL]
    [U][URL="http://www.cnczone.com/forums/woodworking/135576-home_made_drum_sander.html"]Home Made Drum Sander Project[/URL][/U]


  4. #1144
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    The tach output of the SPID can be input to mach 3 so surely it can be written in software or a brain or something using that to confirm the status of the spindle ?

    Andrew



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    I was just going to suggest that, it's the obvious feedback to mach3 that not only is the spindle running, but at the proper speed.

    I'm not sure what features Mach3 has to confirm spindle operation.



  6. #1146
    Community Moderator Al_The_Man's Avatar
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    Quote Originally Posted by RomanLini View Post
    I
    I'm not sure what features Mach3 has to confirm spindle operation.
    I don't use Mach enough to answer that definitively, but I am sure there is or could be an input that emulates the normal confirmation of S,M,T codes that are possibly issued.
    Some M codes do not require confirmation, and the control continues processing G code.
    In most CNC controls, if an S,M or T code requires to complete before program continues, the control looks for a FIN(ish) input signal bit to be set that confirms the external operation has completed, and therefore signals the controller that it can continue.
    A classic example is a automatic Tool change, the control has to wait for the confirmation that a T.C. has completed before continuing with maching commands etc.
    Al.

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  7. #1147
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    This is along the lines of what Ger21 is suggesting in my build thread..

    He says that an M code has to be generated in the post to wait for the spindle to be up to speed (based on the tach input form the S-PID and an offscreen DRO).. So this leads me to ask, is it possible to configure something so that once I figure out the macros or whatever required and set them up, that V Carve Pro can automatically generate the added code in the post processor? Or am I looking at this wrong?

    [URL="http://www.cnczone.com/forums/cnc_wood_router_project_log/124543-mountaincrafts_router_plasma_build_thread.html"][U]4' x 8' CNC Wood Router Project[/U][/URL]
    [U][URL="http://www.cnczone.com/forums/woodworking/135576-home_made_drum_sander.html"]Home Made Drum Sander Project[/URL][/U]


  8. #1148
    Community Moderator ger21's Avatar
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    I don't use Mach enough to answer that definitively, but I am sure there is or could be an input that emulates the normal confirmation of S,M,T codes that are possibly issued.
    I don't believe there are any built in features to do this. But it's possible to write macro's to check input's before allowing motion.
    All M codes in Mach3 are macro's, and can be modified as needed.

    Gerry

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  9. #1149
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    Ahh.. hence the 'M' .. M = Macro


    [URL="http://www.cnczone.com/forums/cnc_wood_router_project_log/124543-mountaincrafts_router_plasma_build_thread.html"][U]4' x 8' CNC Wood Router Project[/U][/URL]
    [U][URL="http://www.cnczone.com/forums/woodworking/135576-home_made_drum_sander.html"]Home Made Drum Sander Project[/URL][/U]


  10. #1150
    Community Moderator ger21's Avatar
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    I don't believe that's why they are M codes. G and M codes were around long before Mach3.

    Gerry

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

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

    JointCAM - CNC Dovetails & Box Joints
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    (Note: The opinions expressed in this post are my own and are not necessarily those of CNCzone and its management)


  11. #1151
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    As I currently understand it, the macros in your 2010 screenset tell the machine to do the tool change routine when it sees an M6 call.. After the tool change routine is complete, it returns the machine to the location where it was before the tool change and continues the program.. It then hits an M3 call, which tells the S-PID to turn on, and begin executing the cut.. correct?

    Is it possible to modify the macro that tells it to turn on when it gets the M3 call, so that it tells it to turn on and then waits for the DRO to reach the minimum RPM set in the macro before moving on to the next line?

    Kind of like the "turn on router" input dialog does when the M3 is called now, only instead of that dialog, it goes to some sort of "if S>4000 then continue" type of thing?


    Would be nice to even add another switch in the screenset to enable this along side the 'manual spindle control' switch..

    [URL="http://www.cnczone.com/forums/cnc_wood_router_project_log/124543-mountaincrafts_router_plasma_build_thread.html"][U]4' x 8' CNC Wood Router Project[/U][/URL]
    [U][URL="http://www.cnczone.com/forums/woodworking/135576-home_made_drum_sander.html"]Home Made Drum Sander Project[/URL][/U]


  12. #1152
    Community Moderator Al_The_Man's Avatar
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    Actually in the CNC context, M codes = Miscellaneous functions that perform various instructions that do not involve actual tool dimensional movement, as does S and T.
    IOW, functions other than tool path control.
    Al.

    CNC, Mechatronics Integration and Custom Machine Design

    “Logic will get you from A to B. Imagination will take you everywhere.”
    Albert E.


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