G128 Z2 Axis Zero Return

G128-(M)Z2 Axis Zero Return
The Z2 axis is returned to the Zero point by the main side program.
G128 only works on the main side while M232 or M233 are in effect
or “512 NOT Z1 Z2 MIXING” alarm occurs.
Does not work in MDI

O0001; O0002;
M9002;
– M233;
M233; M230;
– –
G128;
M230;