Technical data

Testing with the Variable Table
20.2 Basic Procedure when Monitoring and Modifying with the Variable Table
Programming with STEP 7
442 Manual, 05/2010, A5E02789666-01
20.2 Basic Procedure when Monitoring and Modifying with the Variable
Table
To use the Monitor and Modify functions, proceed as follows:
1. Create a new variable table or open an existing variable table.
2. Edit or check the contents of the variable table.
3. Establish an online connection between the current variable table and the required CPU using
the menu command PLC > Connect To.
4. Using the menu command Variable > Trigger, select a suitable trigger point and set the trigger
frequency.
5. The menu commands Variable > Monitor and Variable > Modify toggle the Monitor and
Modify functions on and off.
6. Save the completed variable table using the menu command Table > Save or Table > Save
As, so that you can call it up again at any time.