Mitsubishi Electric MELSEC iQ-R16MTCPU Programming Manual page 208

For the G-code program (program 2), by taking into account the internal calculation and commanding in the same direction as
the direction after the Z-axis has dropped as shown in the G-code program below (program 3), immediately before Z-axis
cutting, overcutting can be prevented. N2 is commanding in the same direction as N6 therefore compensation is performed
correctly.
: Program path,
Program 3
N1 G91 G00 G41 X500. Y400. D01
N2 Y100. M1000
N3 M3
N4 Z-100.
N5 G01 Z-50. F1
N6 Y200. F2
6 AUXILIARY AND APPLIED FUNCTIONS
206
6.4 Tool Compensation Function
: Tool center path
Operation
N1
N1
N5
N6
N4
N4 to N5
N2
N2
Y
N1
X
N4
N6
Z
X
N6
N5
Y
Z