[bradles]

Hi,

So ive just changed over my break out board for something that supported slave with additional axis and im have everything working moving etc hooked up ready to go.
But my digital readouts are bouncing / flickering as such when drivers and machine are at idle/ not moving.
This is obviously causing issues with ref homering, as the change in values is locking the endstops as it thinks machine has past the limit.

Is this a grounding issue?

Regards

[CNCMAN172]

Sounds like an EMI noise issue. Does it do it worse when the spindle is running?

[Doubletop1]

I have been experiencing the same problem. Three different PC's, WinXP and Win 10, Four different USB cables and three different models of Novusun motion controllers. The jitter/jumping/bouncing DRO issue arose after the axis had been homed, without homing it didn't occur. Even when the 24V power was removed from the motion controller, and no power to the PSU's and drivers, it remained. The motion controller then only being powered by the USB cable

The problem was with Mach3 V3.043.062. I replaced it with Version 2.063 and the problem disappeared. I have yet to try it with earlier versions of V3.043

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