Siemens SINUMERIK 840Di Function Manual page 1003

Settings
Under this menu item, the DB number and the symbol for this DB number for which the code
is created is entered.
Under the "Unit System" tab, a selection is made to determine how the unit system variables
are calculated in the PLC.
Under the "Generate" tab, the project creation is defined for the relevant target system.
Generate
Under this menu item, the STEP 7 file from the selected variable list with extension ".awl" is
set.
A file is generated when "Select" is clicked:
An .awl file that can be used as an input for the STEP 7 compiler.
A window opens, in which path and name for the .awl file to be generated must be specified
for the file to be saved.
In a STEP7 project
The generated AWL file is transferred to a selectable SIMATIC project (program path) and
compiled. Furthermore, the symbol can also be transferred. This function will be available as
of STEP7 Version 5.1 and NCVar Selector 6.04.05. This process take some time due to the
time require by STEP7. Before transferring a new AWL file, the file window of the AWL file
must be closed in the LAD/FUP/AWL Editor.
Option menu item
The following can be selected under the "Option" menu item:
• The current language
• The mode for alias input (always/>24 characters)
Help menu item
The information below can be viewed by selecting the corresponding submenu item:
• The Operator's Guide
• The Description of Variables
The copyright and the version number can also be displayed.
2.11.2.3 Startup, installation
The Windows application "NC Var selector" is installed using the SETUP program supplied
with the package.
Power Line Basic PLC Program (P3)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2.11 Supplementary conditions and NC VAR selector
Detailed description
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