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Flexible NC Programming 04.00
1.2 Variable definition
1
840D
NCU 571
840D
NCU 572
NCU 573
FM-NC 810D 840Di
ï›™
Siemens AG 2000. All rights reserved
1-26
SINUMERIK 840D/840Di/810D/FM-NC Programming Guide Advanced (PGA)
−
04.00 Edition
IF (VAR1==1) ;read PUD
VAR1=VAR1+1 ;read and write
;PUD
VAR2=1 ;error: LUD from SUB2
;not known
ENDIF
...
M17
If machine data
$MN_LUD_EXTENDED_SCOPE
is set,
it is no longer possible to define a variable with the
same name in main programs and subprograms.
Variable names
A variable name consists of up to 31 characters. The
first two characters must be a letter or an
underscore.
The "$" character cannot be used for user-defined
variables, as it is reserved for system variables.
Programming
DEF INT name
or
DEF INT name=Value
DEF REAL name
or
DEF REAL name1,name2=3,name4
or
DEF REAL name[array index1,array index2]
DEF BOOL name
DEF CHAR name
or
DEF CHAR name[array index]=("A","B",...)
DEF STRING[string length] name
DEF AXIS name
or
DEF AXIS name[array index]
DEF FRAME name
12.98
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