Siemens SINUMERIK 828D Programming Manual page 178

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Flexible NC programming

1.25 Subprogram technique

Example 2: Character string (string>) to specify the destination block search

Main program:

Program code

PROC MAIN_PROGRAM

N1000 DEF INT iVar1=1, iVar2=4

N1200 subProg1

N1210 M2 S1000 X10 F1000

N1220 ......

N1400 subProg2

N1410 M3 S500 Y20

N1500 lab1: iVar1=R10*44

N1510 F500 X5

N1550 subprog1: G1 X30

N1600 subProg3

Subprogram subProg1:

Program code

PROC subProg1

N2000 R10=R20+100

N2200 RET("subProg2")

Subprogram subProg2:

Program code

PROC subProg2

N2000 R10=R20+100

N2200 RET("iVar1")

; Calls subprogram "subProg1"

; Calls subprogram "subProg2"

; "subProg1" is defined here as jump marker.

Calls subprogram "subProg3"

; Return jump into the main program at block N1400

; Return jump into the main program at block N1500

Programming Manual, 07/2010, 6FC5398-2BP40-0BA0

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