Event Action Block - Operators and Conditions | iFIX 6.1 Documentation

The Event Action block tests the value or alarm condition of the previous block using IF-THEN-ELSE logic. In the IF portion of the logic, you can specify the value or alarm condition for which you want to test.

Enter...	To test the...	Example
VALUE operator condition	Current value of the upstream block.	VALUE = 75.4
ALARM operator condition	Current alarm condition of the upstream block.	ALARM = LOLO

If the condition is true, the block's THEN logic executes. If the condition is false, the block's ELSE logic. Valid operators and conditions include:

If you use...	Then the operator can be...	And the condition can be...
A value	> (Greater than) < (Less than) = (Greater than or equal to) <= (Less than or equal to) = (Equal to) != (Not equal to)	A constant A data source OPEN/CLOSE
An alarm	> (Greater than) < (Less than) >= (Greater than or equal to) <= (Less than or equal to) = (Equal to) != (Not equal to)	Any valid alarm.

Event Action Block – Operators and Conditions