Parameters Operating Area
5.9 User data/user variables (GUD, PUD, LUD)
User data/user variables (GUD, PUD, LUD)
5.9.2 Changing/finding user data/user variables
spec. u. d.
User data (UD) can be defined by means of a variety of variables:
• GUD – global variables which are valid in all programs.
• LUD – local variables which are valid only in the program or
subroutine in which they have been defined.
• PUD-Program-global user data.
The display of global user data (GUD) can be locked by means of the
keyswitch or a password.
Press softkey "User data".
The "Global user data" window is displayed.
The vertical softkey bar changes.
You can toggle between windows
"Global user data" (GUD)
"Channel specific user data" and
"Program user data" or "Local user data"
Program-global variables (PUD) and local variables (LUD) are
You can scroll up and down in the list using the "Page" keys.
Changing user data
Position the cursor on the user data that you wish to edit and enter a
new value or
Select a new value using the "Select" key.
New values are automatically accepted.
SINUMERIK 840D/810D Operator's Guide HMI Embedded (BEM) – 03.04 Edition
Siemens AG, 2004. All rights reserved