ABB COM600 series 5.1 User Manual page 18

18
COM600 series 5.1
Logic Processor User's Manual
Figure 3.3.2-1 Sample PLC_PRG POU with variables
To add a symbol configuration:
1. Select Application in the Device tree.
2. Right-click Application.
3. Select Add Object.
4. Select Symbol configuration. A new Symbol Configuration object is added under
Application and the symbol configuration editor opens. In the Symbol Configura-
tion editor click the View drop-down button and select Unconfigured from Project
button. This should show all variables available from all POUs in the open project.
5. Click Build to view available symbols. All latest variables available from all POUs
after compilation are displayed.
6. Select each of the variables that are intended to be available for external entities
through OPC DA Access. Assign necessary access rights (Read, Write, Read/Write)
to each of the selected variables.
Figure 3.3.2-2 Symbol Configuration
During the compilation of the project, a symbol list is created and it is exported to a file
(XML) in the project directory, and also loaded to the device during the application
download in the form of a child application.
1MRS756738
Sample_PLC_PRG_POU.png
Symbol_Configuration_PLC.png