Figure 68: Definition of variable TEMP_Message
8. In the New Tag dialog, enter TEMP_Message in the Name field, select the MESSAGE
data type in the Data Type field and click on OK.
✓
The following figure shows the resulting variable structure for acyclic reading of the
temperature:
Figure 69: Variable structure for reading out the temperature
Defining process flow
After the variables have been defined and declared, the program blocks must be
inserted into the ladder logic and the variables assigned accordingly.
1. Open the MainRoutine window under Tasks → Main Task → MainProgram .
5 CONFIGURATION USING A PLC
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