Mitsubishi Electric MELDAS C6 Programming Manual page 343

Appendix 3. Order of G Function Command Priority
G code
01
G00 ~ G03
Commanded
G code
G20, G21
Inch/metric
changeover
G00 ~ G03.1
G27 ~ G30
modals are
updated
Reference point
compare/ return G27 ~ G30 are
executed
G31 ~ G31.3
Skip
G command
G33
commanded
last is valid.
Thread cutting
G37 is
G37
executed
Automatic tool
G00 ~ G33 are
length
ignored
measurement
Arc and G41,
G42 cause
error P151
G40 ~ G42
G41 and G42
Tool radius in arc modal
cause error
compensation
P151
02
03
G17 ~ G19
G90, G91
Plane axis
changeover
during radius
compensa-
tion causes
error P112
05
G94, G95
Possible in
same block
335
07
06
G40 ~ G42
G20, G21
G27 ~ G30 are G27 ~ G30 are
executed executed
G40 ~ G42 are G43 ~ G49 are
ignored ignored
Error:P608
Error:P608
G37 is G37 is
executed executed
G40 ~ G42 are G43 ~ G49 are
ignored ignored
G command
commanded
last is valid.
08
G43, G44,
G49