Chapter 5 Arithmetic instructions
64 Rockwell Automation Publication 2080-RM001D-EN-E - February 2015
ACOS yields the Arc Cosine of a Real value. Input and output values are in
radians.
Arguments
Parameter
Parameter
Type
Data Type Description
EN Input BOOL Function enable.
When EN = TRUE, execute current arc-cosine computation.
When EN = FALSE, there is no computation.
IN Input REAL Must be in set [-1.0 .. +1.0].
ENO Output BOOL Enable out.
ACOS Output REAL Arc-cosine of the input value(in set [-p1/2..+p1/2])=0 for invalid input
ACOS function language examples
Function block diagram
Ladder diagram
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