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Mach4 General Discussion / No response to any CV settings in mach4
« on: March 09, 2020, 09:55:18 PM »
Just in the process of upgrading to Mach4 from mach3 and everything is working great except for Constant Velocity..

I am calling the g56 enable code and motion mode is set to constant velocity in mach's settings. I am using the same known good gcode that works great on mach3 with CV.

I have tried using the wizards to configure the CV settings and also manually adjusting it in the machine.ini file. No matter what direction I go with the settings I get no response. Machine keeps running in exact stop mode.

My machine uses an ESS with build 253 plugin and Mach4 4322.

Hopefully its a simple fix. Happy to pay for someones time to solve the problem for me!

Thanks.




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General Mach Discussion / MACH3 THC not responding to torch up/down inputs
« on: March 26, 2019, 01:19:25 AM »
I have built a 4ftx8ft plasma table from scratch and everything so far has been working great except the torch height controller function in mach3. All ports/pins are setup correctly and diagnostics screen shows arc okay, torch up and torch down signals working correctly.

I am using the nvem v2 controller and pricecnc thc connected to my hypertherm 1250. Voltage readings are correct and its sending torch up/down/arc okay signals no problem while running some cuts. The Z axis just simply is not moving from torch up/down signals. I have tried emulating signals with keyboard as a test and still no movement. Page up/down jogging z axis works fine and my g code probes the work surface at start of every cut no issues. The arc okay signal does work. with plasma cutter tuned off G code will wait for arc okay before proceeding.

I have tried enable/disable "allow THC UP/DOWN Control even if not in THC Mode" and it makes no changes. If i enable "set OUTPUT5 when in THC" output 5 does toggle on when i switch on the THC enable button. Running in mm and THC max = 20mm minimum = -2mm. THC Speed = 20.

I'm sure its something simple I have missed but don't have much experience with this software yet. Would greatly appreciate any help you may be able to offer. You can see a video of my setup here: https://www.youtube.com/watch?v=RcUxoCZ0VbE




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