Mitsubishi Electric FX3G SERIES Programming Manual page 515

Programmable controllers

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Table of Contents

Series Programmable Controllers

Programming Manual - Basic & Applied Instruction Edition

Program example

In the program example shown below, natural logarithm of "10" set in D50 is calculated, and stored to D30 and D31

when X000 turns ON.

[2] Conversion into

binary floating point

(real number)

Binary value

18 Floating Point – FNC110 to FNC139

18.13 FNC125 – LOGE / Floating Point Natural Logarithm

Data used in the natural logarithm operation is set

The data to be used is converted into binary floating

point (real number) ([2]).

The natural logarithm operation is executed ([3]).

[3] Logarithm

Binary floating point

(real number) value

Binary floating point

(real number) value

Fx3u series Fx3uc series