Siemens Sinumerik 840D Operating Turning page 316

Section 8
Notes
B523
B523
User variables
8.4 Global user data
Global GUD are NC global user data (Global User Data) which remain
available after switching the machine off. GUD apply in all programs.
A GUD variable can be defined through:
Keyword DEF
Range of validity NCK
Data type (INT, REAL, ....)
Variable names
Value assignment (optional)
Example.: DEF NCK INT COUNTER1 = 10
Note:
GUD are defined in files with the extension *.DEF.
The following file names are reserved for this purpose:
File name Description
SGUD.DEF Definitions for system data (reserved)
MGUD.DEF Definitions for machine manufacturer data
UGUD.DEF Definitions for user data
GUD4.DEF Definitions for user data
8.4.1 Selecting the function "Global GUD"
By pressing the VSK 1.2 "Global GUD" the following
window opens.
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