Siemens SINUMERIK 840Di Function Manual page 1752

Detailed Description
2.4 Tool: Tool radius compensation 2D (TRC)
Example:
N10
N20 $TC_DP1[1,1] = 110
N30 $TC_DP6[1,1]=
N40
N50 X0 Y0 Z0 G1 G17 T1 D1 F10000
N60
N70 X20 G42 NORM
N80 X30
N90 Y20
N100 X10 CUTCONON
N110 Y30 KONT
N120 X-10 CUTCONOF
N130 Y20 NORM
N140 X0 Y0 G40
N150 M30
Fig. 2-37
2-72
Sample program for contour suppression
; Definition of tool d1
; Type
; Radius
; Activate compensation suppression
; On deactivation of contour suppression,
insert bypass circle, if necessary
; No bypass circle on deactivation of TRC
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
Tool Compensation (W1)