Siemens SINUMERIK 840D

User variables
10.3 Global GUD
Milling
Operating Manual, 03/2010, 6FC5398-7CP20-1BA0
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10.3 Global GUD
Global user data
Global GUDs are NC global user data (Global User Data) that remains available after
switching the machine off.
GUDs apply in all programs.
Definition
A GUD variable is defined with the following:
● Keyword DEF
● Range of validity NCK
● Data type (INT, REAL, ….)
● Variable names
● Value assignment (optional)
Example
DEF NCK INT ZAEHLER1 = 10
GUDs are defined in files with the ending DEF. The following file names are reserved for this
purpose:
File name Meaning
MGUD.DEF Definitions for global machine manufacturer data
UGUD.DEF Definitions for global user data
GUD4.DEF User-definable data
GUD8.DEF, GUD9.DEF User-definable data
Procedure
1. Select the "Parameter" operating area.
2. Press the "User variable" softkey.
3. Press the "Global GUD" softkeys.
The "Global user data" window is displayed. A list of the defined
UGUD variables will be displayed.
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