VFD Has defantly blown up now!

[routercnc]

Ok all up and running now and I have control from Mach 3 ( I set 001 to no.1) however if I want to bump the spindle speed up with the up arrow nothing happens. I'm assuming 002 needs to be allso changed to the same ie no.1 set by external terminals?

It's been a long time since I set mine. Away from machine so will need to check later.

On the strain relief grommet - can the cable move about independent of the spindle? If it can it really needs to give a gentle flexible support to the cable so it does not flex in the same place. Instead the cable should curve gradually to spread the stress out. Otherwise with repeated movement the cable itself may break where it exits the support bracket. You can either design a new grommet (mk3 !) with some gradual flex element as you move away from the spindle, or buy one of these:



Top right end clamps either side of the spindle end plate
Bottom left end is the spring element providing graduated support

But if it exits the spindle and goes into an energy chain (which is also supported at the spindle end) then I think you are OK as you are as this will act as the spring flex element.