GSK980MDa Multi spindle user guide:

Status parameter BIT5 of No.033 set as 1, to active the multi spindle function

The first spindle speed is in Data Parameter No.101, the second spindle

speed is in Data parameter NO.165

Run M66 for the first spindle, run M67 for the second spindle

Run M03 for 1st spindle forward, output Y0.3

Run M04 for 2nd spindle backward, output Y0.4

Run M63 for 1st spindle forward, output Y3.5

Run M64 for 2nd spindle backward, output Y3.4

M19 is spindle stop, output Y3.1