Below are the standard functions that perform mathematic calculation:

Function

Effect

ABS
TRUNC
LOG, LN
POW, EXPT, EXP
SQRT, ROOT
SCALELIN

absolute value
integer part
logarithm
power
root extraction
scaling - linear conversion

Other topics in this chapter

ABS

EXP / EXPL

EXPT

LOG

LN

POW ** POWL

ROOT

ScaleLin

SQRT / SQRTL

TRUNC / TRUNCL

ISINF

ISINFL

ISNAN

ISNANL

Mathematic operations

IEC 61131-3 Automation platform > Programming - Reference guide > Mathematic operations

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