Siemens Sinumerik 840D sl Programming Manual page 602

Motion synchronous actions
10.4 Actions in synchronized actions
Example
The length of the active grinding wheel is to be compensated.
Program code
FCTDEF(1,-1000,1000,-$AA_IW[V],1)
ID=1 DO FTOC(1,$AA_IW[V],3,1)
WAITM(1,1,2)
G1 V-0.05 F0.01 G91
G1 V-0.05 F0.02
...
CANCEL(1)
...
602
Comments
; Function definition.
; Select online tool offset: Actual value
of the V axis is the input value for
polynomial 1.Result is added in
channel 1 as compensation value to
length 3 of the active grinding disk.
; Synchronization with machining channel.
; Feed motion to dress.
; Deselect online offset.
Programming Manual, 02/2011, 6FC5398-2BP40-1BA0
Job planning