Well I haven’t got it fixed yet but I think I discovered what the problem is. I 
used G251 drivers on the lathe but on the PCBMill I switched to KL5056 drivers. 
I missed the connection of 5V to P1-2. P1-4, and P1-6 on the KL5056. I 
misinterpreted the connection schematic. I thought they were showing an 
internal pull-up to 5V rather than what I needed to supply.
Alan


> From: Alan Condit <condit.a...@gmail.com>
> Subject: Re: [Emc-users] 7i76e with Rpi4
> Date: September 18, 2022 at 7:00:08 PM CDT
> To: emc-users@lists.sourceforge.net
> 
> 
> Sam and Robin,
> 
> I found the immediate problem. The address should have been 10.10.10.10
> rather than 10.10.10.11.
> 
> I have a CNC’d Grizzly G4000 that is running a 5i25 with a 7i76. I tried
> wiring the 7i76e the same as 7i76. LinuxCNC fires up now but none of the
> motors spin. However, the motor all hold.
> 
> Thanks,
> Alan
> 


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