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you need a 12v relay with NC and NO contacts. power the relay from the PSU. at this time the NC contacts will be open. just like an open switch....
GRBL/Arduino based controllers work perfectly well, and all the related software is free (why would you want Mach?). You can use the Openbuilds...
if the probe moves are not going far enough AND indicating that it made contact then you have EMI or an intermitant contact to DC ground through...
again, a bit that is labelled 1/4" is almost never actually 0.250" so you do need to measure it and use the measurement in the CAM. A micrometer...
see this [MEDIA] see Keith's previous videos for how to do it using other controllers
I second the 'get a kit, follow the instructions' route. Much quicker, simpler, almost idiot proof and reduces the learning curve to a sensible...
Yes you can use G1 but that means you also need to supply the feedrate. Send home G21 G17 G90 ; note all bits of code must set the modes they...
the tool diameter entered into the probe wizard is used to set the centerline of the tool. thus, if the tool travels along X0 it will cut half the...
G28 and G30 are 'predefined positions', which in GRBL default to 0,0,0 (the same as home unless you change it). I use G28 for tool changes, I...
you would need a driver (this is the simplest, a pulsed step pin and a direction pin) or the PLC has to speak Gcode to the blackbox via serial...
look at your GRBL $30 and $31 settings, the S command must be the higher of the two for it to turn on the router output if you are using the...
if you check the box for 'EndPos: Use Machine Coordinates (G53) at end of job?' an dmake sure both X and Y positions are small negative numbers,...
looks like you are using a customized version of the post, where did you get it, and of course, what is it doing? and , what settings did you...
Nothing to do with the post , unless of course it was installed by a different 'team' (-: This is a message related to having resources in...
you need to read this Set up the Homing Cycle · gnea/grbl Wiki
He could just connect it the other way, ie jumper the 4th driver to X and use the gantry as Y (like Crash used to do)
see also https://openbuilds.com/threads/y-axis-direction-intermittent.19224/
are they both doing that, or just the one? (I would remove the nutblocks to avoid any further damage to the linear bearings.) at this point I...
I think one of those Y motors is not running at all. The righthand one. I would remove the nutblocks and check for both motors running during a...
change your putty line endings, try CRLF