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Example: Expressions that return true or false values

The following table shows the expressions that return true or false values.

Expressions

Returned values

tag1 > 20

(relational operator)

1 (true) if tag1 is greater than 20

0 (false) if tag1 is less than or equal to 20

Industry\Valve AND Municipal\Valve

(logical operator)

1 (true) if both valves are open

0 (false) if one or both valves are closed

See also

About expressions