Quote Originally Posted by ger21 View Post
1_2 means port 1 pin 2. These are the UCCNC port and pin numbers, not the pins on the drive.

All of them are labeled in the manual.



Probably parallel port pin, which is what the port and pin numbers originally came from.


The A+ A- B+ B- are the encoder signals from the motor, and have nothing to do with UCCNC or the C76.
Thank you Gerry. You tolerance of my ignorance on the subject is appreciated.

BH