Is this one the DC servo systems? Many upgrade these systems using the DG4S servos:
https://cnc4pc.com/dg4s-08020-dc-servo-drive.html
You can upgrade this to Mach3/4 or UCCNC using the C62 or C76 boards:
https://cnc4pc.com/c62-dual-port-mul...ion-board.html
https://cnc4pc.com/c76-uc300-multifunction-board.html
If you have questions, please contact us in our website.
Arturo Duncan
https://cnc4pc.com