Siemens SINUMERIK 828D Programming Manual

Flexible NC programming
1.1 Variables
Job planning
Programming Manual, 07/2010, 6FC5398-2BP40-0BA0
27
Example 2: Program-global and program-local user variables (PUD/LUD)
Program code Comment
PROC MAIN ; Main program
DEF INT VAR1 ; PUD definition
...
SUB2 ; Subprogram call
...
M30
Program code Comment
PROC SUB2 ; Subprogram SUB2
DEF INT VAR2 ; LUD DEFINITION
...
IF (VAR1==1) ; Read PUD
VAR1=VAR1+1 ; Read and write PUD
VAR2=1 ; Write LUD
ENDIF
SUB3 ; Subprogram call
...
M17
Program code Comment
PROC SUB3 ; Subprogram SUB3
...
IF (VAR1==1) ; Read PUD
VAR1=VAR1+1 ; Read and write PUD
VAR2=1 ; Error: LUD from SUB2 not known
ENDIF
...
M17

Siemens SINUMERIK 828D Specifications

General

Control Type	CNC
Operating System	Windows Embedded
Processor	Intel Atom
Display	10.4" color TFT display
Interfaces	Ethernet, USB
Programming	ShopMill, ShopTurn
Operation Panel Size	10.4"
Protection Class	IP65
PLC Memory	2 MB
Spindle Capacity	4 spindles
Hard Drive	CompactFlash