Siemens SINUMERIK 840D sl Programming Manual page 331

Example
On a surface grinding machine with the following parameters, the grinding wheel is to be
dressed by the amount 0.05 after the start of the grinding movement at X100. The dressing
amount is to be active with write online offset continuously.
Y: Infeed axis for grinding wheel
V: Infeed axis for dressing roller
Machine: Channel 1 with axes X, Z, Y
Dressing: Channel 2 with axis V
Machining program in channel 1:
%_N_MACH_MPF
...
N110 G1 G18 F10 G90
N120 T1 D1
N130 S100 M3 X100
N140 INIT (2, "DRESS", "S")
N150 START (2)
N160 X200
N170 FTOCON
N... G1 X100
N... M30
Job planning
Programming Manual, 03/2006 Edition, 6FC5398-2BP10-1BA0
8.3 Online tool compensation (PUTFTOCF, PUTFTOC, FTOCON, FTOCOF)
;Initial setting
;Select current tool
;Spindle ON, traverse against starting
;position
;Select dressing program on channel 2
;Start dressing program on channel 2
;Traverse against target position
;Activate online offset
;Further machining
Tool offsets
8-9