PLC Programming

6 - The Resources
Create a Global Variable List
To create a Global Variable List, open the register 'Resources' in the Object Organizer and select the
entry 'Global Variables' or select an already existing list. Then choose the command 'Project' 'Object'
'Add' to open the dialog Global variable list.
This dialog can also be opened by the command 'Project' 'Object' 'Properties' which is available if an
existing Global Variable List is marked in the object organizer. It shows the configuration of this list..
Dialog to create a new Global Variable List
Name of the global variable list: Insert a list name.
Link to file:
Filename: If you have an export file (*.exp) or a DCF file, which contains the desired variables, you
can set up a link to this file. To do this, insert the path of the file in the field Filename resp. press the
button Browse to get the standard dialog 'Select text file'. DCF files are converted to ICE syntax when
they are read in.
Activate option Import before compile, if you wish that the variable list will be read from the external
file before each compilation of the project. Activate the option Export before compile, if you want the
variable list to be written to the external file before each compilation of the project.
If you close the 'Global variable list' dialog with OK, the new object is created. Network global
variables lists can be recognized in the Object Organizer by the symbol
. With the command
CoDeSys V2.3 6-3