Linking of process data
Proceed as follows to link the process data with PLC variables:
- The process data to be linked has been enabled in the "Process data" tab.
- 1. Create corresponding PLC variables for the process data in your PLC project, e.g. in a Global Variable List (GVL), and define the data types as described in the following figure.
- 2. Activate the configuration using the "Activate Configuration" button
- 3. Now link the process data of the power supply to the variables.
- 4. Right-click on the object to be linked.
- 5. Select "Change Link" from the selection list. The "Attach Variable" dialog box opens.
- 6. Select the appropriate variable and confirm with "OK".



- The successful linking of the variable is indicated in the TwinCAT tree by an arrow symbol
.