Q: We have a CNC milling machine with GSK 990MA control, but the M code like M6 till M53 we have never use, and don’t know how to use them. Can you help?

A: You can edit the PLC inside the controller to enable the M codes.

GSK990MA Specification:

http://www.cncmakers.com/cnc/controllers/CNC_Controllers_for_Milling/GSK990MA.html