Hello,

Have you got this sorted as I have the same issue? I too have a CNET 6040

Just to recap my issue, I'm trying to connect my VFD (PRT-E1500W) to my BOB (Manual/book shown here - https://www.omc-stepperonline.com/download/ST-V2.pdf).

I've not had conformation of this yet, apparently the PWM on the right of the BOB is for Digital VFD, where as the PWM terminal on the bottom row (4th from the right) is for analogue VFD. Can anyone confirm this please, as I understand the bottom terminal could be connected to the AVI terminal of the PRT-E1500W.

I'm currently comfortable with all the other terminals.

Thanks in advance of moving this issue forward.