Functions & Function Blocks

Absolute value function returning magnitude without sign.

Arc cosine trigonometric function for angle calculations.

Math function adding two or more numeric values, result stored in destination.

Arc sine trigonometric function for inverse sine calculations.

Arc tangent trigonometric function returning angle in radians.

Calculates arithmetic mean of array or set of values.

Function forcing specific bit to 0 within data word.

Function forcing specific bit to 1 within data word.

Function checking state of specific bit within word or byte.

String function joining two or more text strings into single string.

Cosine trigonometric function for angle calculations in radians.

Cyclic Redundancy Check function for data integrity verification.

Division function calculating quotient of two values with remainder handling.

Exponential function calculating e raised to specified power.

String function locating position of substring within larger string.

String function returning number of characters in text string.

Constrains value within specified minimum and maximum bounds.

Natural logarithm function (base e) for exponential calculations.

Common logarithm function (base 10) for scaling calculations.

Maximum selection function returning largest of input values.

String function extracting substring from specified position and length.

Minimum selection function returning smallest of input values.

Modulo function returning remainder after integer division.

MUL means Multiplication — a function block that computes the product of two or more values. Used in PLC programming for scaling analog inputs, calibration calculations, and gear-ratio math.

Proportional-Integral-Derivative control block for closed-loop process control with tuning parameters.

Power function calculating base raised to exponent.

Rounding function converting real to nearest integer value.

Converts value from one range to another using linear scaling.

Sine trigonometric function for angle calculations in radians.

Square root function calculating root of positive number.

Subtraction function calculating difference between two values.

Adds all elements in array or specified range of values.

Function exchanging byte order in word for endianness conversion.

Tangent trigonometric function for angle calculations in radians.

Truncation function removing decimal portion of real number.