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Posted by Techman2930 
July 28, 2021 03:33PM
Hi All, I'm a 40+yr vet of developing hardware and software for automated equipment, CNC, Pick&Place, Etc. Lately I have been purchasing Duet PCAs with RepRap Firmware loaded for motion control applications.

The Only thing I can't find that I need on every application is an equivalent to "FEED HOLD". What I mean by feed hold is, during any movement pressing feed hold decelerates all motion in a coordinated fashion. leaving the spindle going. when a continue button (sometimes the same feed hold button) is the machine Accelerates in a coordinated fashion from where it left off.

I do realize all of this was originally designed for printing but these controllers are proliferating into many other applications.

As far as I have observed this function is a hardware feature of CNC equipment. I do not know of a G or M code for this function

How can I accomplish this? I can't be the only one needing to pause motion.
Perhaps using an I/O bit and an addition to the firmware.
July 28, 2021 07:46PM
This section is for is Marlin firmware, not RepRap firmware.
July 29, 2021 02:40AM
Hi Techman2930, please post this question on [forum.duet3d.com].

Large delta printer [miscsolutions.wordpress.com], E3D tool changer, Robotdigg SCARA printer, Crane Quad and Ormerod

Disclosure: I design Duet electronics and work on RepRapFirmware, [duet3d.com].
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