GE PACSystems RX7i - Math Functions

Chapter 5. Function Block Diagram (FBD)
GFK-2950C February 2018 257
5.9 Math Functions
Your program may need to include logic to convert data to a different type before using a Math or
Numerical function. The description of each function includes information about appropriate data
types. The Type Conversion Functions section explains how to convert one data type into a different
data type.
Function
Description
Addition. Adds two or up to eight numbers.
For details, refer to Add below.
Division.
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Divides one number by another and outputs the quotient.
Note: Take care to avoid overflow conditions when performing divisions.
For details, refer to Divide below.
Modulo Division. Divides one number by another and outputs the remainder.
For details, refer to Modulus below.
Multiplication.
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Multiplies two or up to eight numbers.
Note: Take care to avoid overflow conditions when performing multiplications.
For details, refer to Multiply below.
Negate. Multiplies a number by –1 and places the result in an output location.
For details, refer to Negate below.
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To avoid Overflows when multiplying or dividing 16-bit numbers, use the Type Conversion Functions to convert the
numbers to a 32-bit data type.