Siemens SINUMERIK 828D

Flexible NC programming
1.10 Program jumps and branches
Job planning
88 Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
Examples
Example 1: Jumps to jump markers
Program code Comments
N10 …
N20 GOTOF Label_1 ; Jump towards the end of the program to the jump
marker "Label_1".
N30 …
N40 Label_0: R1=R2+R3 ; Jump marker "Label_0" set.
N50 …
N60 Label_1: ; Jump marker "Label_1" set.
N70 …
N80 GOTOB Label_0 ; Jump in the direction of the beginning of the
program to the jump marker "Label_0".
N90 …
Example 2: Indirect jump to the block number
Program code Comments
N5 R10=100
N10 GOTOF "N"<<R10 ; Jump to the block whose block number is located
in R10.
...
N90 ...
N100 ... ; Jump destination
N110 ...
...
Example 3: Jump to variable jump destination
Program code Comments
DEF STRING[20] DESTINATION
DESTINATION = "Marker2"
GOTOF DESTINATION ; Jump in the direction of the end of the program
to the variable jump destination DESTINATION.
Marker 1: T="Drill1"
...
Marker 2: T="Drill2" ; Jump destination
...