Search found 3 matches
- Tue Sep 29, 2020 8:42 am
- Forum: Centroid Acorn CNC Controller
- Topic: Help regarding wiring from acorn to Pm-25mv to control spindle speed
- Replies: 4
- Views: 1667
Re: Help regarding wiring from acorn to Pm-25mv to control spindle speed
It appears that there must be a switch that allows the motor to turn but not the chuck. When i put the original 3 wires back from the potentiometer I get both the motor and the chuck to turn. I know this sounds really weird and i dont understand this at all as it doenst make sense to me either.
- Mon Sep 28, 2020 10:06 pm
- Forum: Centroid Acorn CNC Controller
- Topic: Help regarding wiring from acorn to Pm-25mv to control spindle speed
- Replies: 4
- Views: 1667
Help regarding wiring from acorn to Pm-25mv to control spindle speed
Hi there all. Am finalizing my pM25mv cnc conversion using the acorn board. My last step is to get spindle speed control. I am taking the analog out from the board to a kb 240dsi board to reduce the voltage. The wiring diagram from Francos is clear, but the part i am struggling with is the coupling ...
- Mon Sep 28, 2020 8:32 pm
- Forum: Success Stories
- Topic: Acorn works great on my pm25mv!!!
- Replies: 7
- Views: 6614
Re: Acorn works great on my pm25mv!!!
Hey guys, i am almost finished with my conversion but am struggling with the last step of spindle control and cannot figure out how to connect the two wired output from the kb board to the three wired input for the speed controller. And advice would be greatly appreciated.
Bernard
Bernard