Rockwell Automation 1772-AF4,D17726.5.3 User Manual, AUX FUNCT PROM - Manual (Page 15)

Programming
Chapter 3
3Ć7
Function
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Addition
Subtraction
Multiplication
Division
[1] These times are calculated for a single AF4 function. Overhead for AF4 lock
maintenance and multiple runs through the ladder program to complete some function is
included.
In this section we explain the following for each of the AF4 functions:
What it is
How to enter it in your program
Its format in the data table
a. word arrangement
Programming Specific
Mathematical Functions