List Variable: Display text according to a changing MI value

To display different texts for different values of the same MI:

1. Create a new Variable.

2. Select List Variable type.

3. Enter the desired text for each possible value of the linked MI.

4. Attach the Variable to a Display field.

The text on the Display will be determined by the value written into MI 0 in the Ladder.

Example:

If MI 0 = 2, then the message will be Engine Failure.

Related Topics

Defining a Variable field and attaching a Variable