Create an Interlocked push button

An Interlocked push button is one of a group of buttons that have the same connection tag. The buttons function together in much the same way as the station selector buttons on a car radio: pressing one cancels the other and makes a new selection. Although Interlocked push button function as a group, you add them to the screen one at a time.
When the operator presses the Interlocked push button, the application sends the button’s value to the data source and highlights the selected button.
The Interlocked push button remains highlighted as long as the value at the data source is the same as the button value. Therefore, only one button in the group is active and highlighted at any given time, unless you assign the same value to two or more Interlocked push buttons.
IMPORTANT:
Do not use push buttons for emergency stops. Emergency stop buttons must be hard-wired.
TIP:
You can use a single Interlocked push button to set a value.
To create an Interlocked push button
  1. In the
    Graphics Display
    editor, select
    Objects > Push Button > Interlocked
     or drag Interlocked from the toolbox.
  2. Drag the mouse to position and draw a rectangle the general size and location you want the button to be.
  3. Double-click the button to open its
    Properties
    dialog box.
  4. In the
    Properties
    dialog box, specify how the button looks, the button’s value, and its tags.
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