Hardware manual

Starting up fieldbus communication and programming the ABB PLC
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4. In the Category: dialog box, select Input. Under Input, tick Toggle variable or Tap
variable and write the name of the input to the dialog box. Click OK.
Note: When defining inputs, you can use the Input assistant. Click on Toggle
variable field and press F2.
With the button created you can switch the value of a global variable (in this case,
activate_scaling) between TRUE and FALSE.
Tool/Step
Introduction to the visualizations