Calculation Block - Equations | iFIX 6.1 Documentation

In order for the Calculation block to compute its output correctly, you must enter an equation. In general, the equation syntax is:

input operator input

where input is one of the block's inputs and operator is a mathematical symbol. You specify inputs in the equation by their letter. For example, if you enter DI1 into the Calculation block's B Input field, you would refer to it in the equation as B.

You can enter any operator listed in the following table:

Operator	Function
ABS(input)	Absolute value
SQRT(input)	Square root
EXP(input)	Anti-log
LOG(input)	Natural log
LOG10(input)	Base-10 log
INT(input)	Changes floating point values to integers
-	Unary minus (example, -A).
^	Raise to power, exponential.
*	Multiply
/	Divide
+	Add
-	Subtract (example, A-B)
<	Less than
>	Greater than

NOTE: When doing greater than or less than comparisons, the Calculation block passes a value of 1 to the next block if the statement is true. If the statement is false, the block passes a value of 0.

Calculation Block – Equations