Siemens SINUMERIK - Page 370

Programming
2.3 Variables
Expanding the user interface
2-20 Commissioning Manual, 11/2006, 6FC5397-0DP10-0BA0
Variable status
The "Variable status" property can be scanned during runtime to find out whether a variable
has a valid value. This property can be read and written with the value FALSE = 0.
Programming
Syntax: Identifier.vld
Description: Variable status vld (validation)
Parameters: Identifier: Name of the variable
FALSE =
TRUE =
The result of the scan can be:
invalid value
valid value
Example
IF VAR1.VLD == FALSE
VAR1 = 84
ENDIF
Variable: Changing properties
When a change is made, a new value is assigned to the variables in the notation
Identifier.Property = Value . The expression to the right of the equality sign is evaluated and
assigned to the variable or variable property.
Examples:
Identifier.ac = Access level (ac: access level)
Identifier.al = Text alignment (al: alignment)
Identifier.bc = Background color (bc: background color)
Identifier.fc = Foreground color (fc: foreground color)
Identifier.fs = Font size (fs: font size)
Identifier.gt = Graphic text (gt: graphic text)
Identifier.hlp = Help display (hlp: help)
Identifier.htx = Help text (htx: help text)
Identifier.li = Limit (li: limit)
Identifier.lt = long text (lt: long text)
Identifier.max = MAX limits (max: maximum)
Identifier.min = MIN limits (min: minimum)
Identifier.st = short text (st: short text)
Identifier .typ = Variable type (typ: type)
Identifier.ut = Unit text (ut: unit text)
Identifier.val = Variable value (val: value)
Identifier.var = System or user variable (var: variable)
Identifier.vld = Variable status (vld: validation)
Identifier .wr = Input mode (wr: write)