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Topics - johnwm

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General Mach Discussion / Jog keys
« on: September 11, 2018, 11:26:50 AM »
I'm running 3.043 under win7 using a touchscreen. I can't see how to change key assignments for jogging. The machine jogs OK in Y direction, but jogs opposite directions on X axis. Under Config|Sysytem hotkeys I'm seeing 37 and 39 as X++ and X--, but I can't see how to edit them. I can select the numbers, but they can't be edited. Please tell me I'm being silly (and better yet tell me what to do next)
Thank you

General Mach Discussion / Mach3 Z axis problem
« on: July 15, 2013, 06:51:27 AM »
I can't get Z to go down on jog. All axes work fine on fast jog (with shift key). X and Y work fine in standard jog. Z works upwards on standard jog, but when you try to jog down you get no movement and all axes lock out, requiring a manual reset to get anything going. I have reversed polarity of Z direction pulse (to eliminate possible mechanicals) and the problem reverses, with requested upward movement causing lockout. I suspect this may be linked to THC, but I have disabled THC inputs and it is still the same. Under program control Z axis moves on G0 commands, but on THC (PROMA) it shows a request to go down, but no actual movement.

Any ideas please.

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