Rockwell Automation Publication 2080-RM001D-EN-E - February 2015 61
Chapter 5
Arithmetic instructions
Arithmetic instructions give a controller the ability to perform mathematical
functions, such as addition, subtraction, multiplication, and division on data.
Function Description
ABS on page 62 Absolute value of a Real value
ACOS on page 64 Arc cosine of a Real value
ACOS_LREAL on page 66 Perform 64-bit real arc-cosine calculation
Addition on page 68 Add a value
ASIN on page 68 Arc sine of a Real value
ASIN_LREAL on page 71 Perform 64-bit real arc-sine calculation
ATAN on page 73 Arc tangent of a Real value
ATAN_LREAL on page 75 Perform 64-bit Real arc-tangent calculation
COS on page 77 Cosine of a Real value
COS_LREAL on page 79 Perform 64-bit Real cosine calculation
Division on page 80 Divide Integer or Real value
EXPT on page 82 Exponent calculation of Real values
LOG on page 84 Logarithm of a Real value
MOD on page 86 Module
MOV on page 88 Move a copy of a value
Multiplication on page 89 Multiply an Integer or Real value
Neg on page 90 Negate a value
POW on page 91 Power calculation of Real values
RAND on page 93 Random value
SIN on page 95 Sine of a Real value
SIN_LREAL on page 97 Perform 64-bit real sine calculation
SQRT on page 99 Square root of a Real value
Subtraction on page 101 Subtract a value
TAN on page 102 Tangent of a Real value
TAN_LREAL on page 104 Perform 64-bit real tangent calculation
TRUNC on page 106 Truncates Real values, leaving just the integer.
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