Siemens SINUMERIK 840Di Function Manual page 1277

Code generation
This menu item contains three selection options:
1. Settings (input of data block number to be generated) and other settings
2. Generate (create data block)
3. In the STEP7 project (transferring the data block to a STEP7 project)
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 STEP7 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 STEP7 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)
PLC Basic Program Solution Line (P3 sl)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2.11 General conditions and NC-VAR_Selector
Detailed Description
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