Machsupport Forum
Mach Discussion => Mach4 General Discussion => Topic started by: JB-Tech on November 24, 2017, 03:39:47 PM
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Hey guys,
Decided to re-wire some limit switches today and split up the Z axis limit switches so I have ++ and -- hits rather than just a general limit switch.
Anywho, I split them up, using X112 and X111, the switches use a common ground port on the MB2. Z++ limit works as it should but when I hit Z-- I get a error message in the bottom
window saying "Clearing a Spurious limit_hit_latch event." Then it says go into diagnostics>logging to view error.
So I went and pulled the log and it says to add timing buffer or fix the switch, easy enough.
Add timing buffer all the way up too 4000, no change.
Switch ohms out properly, it cleanly breaks the signal.
I'm a bit at a loss here. I wire up million dollar control systems on the regular and this little $400 thing keeps throwing me curve balls.
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Minor update...it only happens when I jog the quill. If I simply hit the switch by hand, it is able to reset without a problem. If I hit it with the quill being jogged, I have to turn off my control cabinet, manually jog the quill up by hand. Turn the cabinet back on and re-open Mach4. Then it will clear the Spurious hit error.
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What version of the ESS plugin are you using, there was a bug found to do with --Limits and was reported fixed in version 211 and above.
DazTheGas
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Crap. Pretty sure 210
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Odd, Warp 9 website only has up to 210 available.
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You need to look on the forum for latest dev versions
https://warp9td.com/index.php/kunena/plugin-releases
DazTheGas
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That did the trick, Thanks much!