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Yes - I ended up having to stack my UCSB too - even had a few mm to spare...
I now have it successfully installed and running perfectly. The problem was definitely with the isolated pins.
For...

Thanks Dazp,
Yeah - Ive been doing a bit of reading over the last couple of days myself.
I'm heading down the route of a UCSB attached to port 3. I just have to find some free space in the already...

yes - perhaps.
An excerpt below from cncdrive admin - presumably someone within the manufacturer themselves.
Yes - they only state this is possible using UCCNC, however surely this is a hardware...

Thanks for the advice,
That will be my next course of action, however the manufacturer does state that the isolated pins do support config of dir/step, so I thought I'd exhaust that avenue first....

Hi all,

Has anybody successfully wired more than 4x axes to a cncdrive AXBB-E?
Ive got the first 4x axes (X,Y,Z,A) working perfectly off the non-isolated side of port 1 (pins 09-16) but am having...

Hi ih8dug.
Sorry to dig up an old thread, but I've finally given up on the NVUM and took your advice with the AXBB-E. currently in transit.
Are you still using mach3? or have you switched to UCCNC?...

Yes, I think impulse purchasing was my downfall also.
We only have ourselves to blame - there are plenty of warning signs without having to dig too deep on the forums.
Mine is the USB version, so I...

Hi ih8dug,
I feel your pain. I've just posted a similar thread, but have yet to give up.
Which Novusun board were you attempting to connect to? and how far did you get?
Cheers.

Hi All,

I am trying to get a generic analogue MPG to play nicely with my Novusun NVUM V2 6 axis controller.
I've done the legwork of translating the appalling documentation of both devices into a...

Thanks for all the feedback guys.
I think Gerry's final comment has satisfied me
"This has no effect at all on accuracy, as Mach3 keeps track of position internally, and doesn't ever round off the...

Thanks Jim / Gerry.
I appreciate the input.
Yeah, you're right 0.0031 is precisely 1 step isn't it...
Instead of the tape, perhaps I can just reduce my DRO precision down to 2 decimal points so I...

Hi Gerry.
Appreciate the quick reply.
The error is only in the Mach3 DRO.
Steps per mm have been calculated based on 1.8deg per step, 1605 ballscrew (5mm per rev) @ 1/8 microstepping = 320 per 1mm...

Hi all.
Hope I'm posting this in the correct place. Newbie poster...
So - I've built myself a 5 axis mill and am banging my head against an electronic wall. This is my 3rd build and up till now...