Hi Any help appreciated Starturn 4 early model originally with a Jay spindle control board Jay Board has a 2.4k pot manually controlling speed , when i measure this its 7vDC across the pot with the wiper giving 0-7v back into the Jay board My C11 BOB has 0-10V DC analog output I think i can tone dow...

update Resolved most of my issues and have both axis running back and forth at speed . Simply the 0v wire from the bob that grounds the new transistors needs to go directly to the 0v on the drive itself not any ground on the machine frame . DC continuity says its the same but for whatever reason it ...

Help needed please I've obtained a starturn 4 ,red model via ebay from a deceased sale so have no background info , its immaculate as a lathe the bed looks unused. it has the slave board intact , spindle runs manually if a little slower than i expected i.e. it doesn't scream Its been setup previousl...