Originally Posted by
mactec54
Before you connect to the VFD Drive you have to check that the Breakout Boards, 0-10v is working, this voltage needs to change with the RPM, ( so in Mach3 use MDI ) Type in M3 S12000 this should give you 5v at the output which you can test from the Breakout board output AVI / ACM, you have to have this working before you connect to the VFD Drive.
ACM to Ground
VI to 10v in
Parameters needed to be set for the 0-10v speed control
PN03=4
PN04=2
This does not work on some of these VFD Drives and then you have to use the where it says external Pot 5v, this then can only be a 5v Analog supply