Hi,
I have been using a home brew PWM to 0-10v converter for MACH3 to VFD spindle speed control for about 18mths,
the home brew works OK, the speed hunts a bit so decided to change to a Step - 0-10v Digispeed control.
I swaped over today, but I can only get the OP of the digispeed to vary 0.2 to 2v output.
As I change the speed via Mach, I can see the OP of Digispeed following but no more than 2v so I'm assuming the config is correct in mach. i.e swapped the PWM to step tick boxes and selected pin 14 in ports and pins as spindle.
The board has a solid 5v for the logic and a solid 10v from the VFD to power the analogue side.
I have adjusted the trim pot to max and fiddled with te spindle motor settings in te motor tuning page.
Also disconnected the analogue ip to the drive in case the VFD was dragging the analogue down, no change from the Digispeed though.
Bit stuck
(prob someting stupid I have done (good at that
) )
Anyone help please.
ATVB
Derek