18.16 Fnc128 - Eneg / Floating Point Negation - Mitsubishi Electric FX3G SERIES Programming Manual

Programmable controllers

Hide thumbs Also See for FX3G SERIES:

Table of Contents

Series Programmable Controllers

Programming Manual - Basic & Applied Instruction Edition

18.16 FNC128 – ENEG / Floating Point Negation

This instruction inverts the sign of binary floating point (real number) data.

1. Instruction format

Operand Type

3. Applicable devices

X Y M T C S D .b KnX KnY KnM KnS T C D R U \G

Explanation of function and operation

1. 32-bit operation (DENEG and DENEGP)

The sign of binary floating point stored in [

Program example

In the program example shown below, the sign of floating point data stored in D100 and D101 is inverted, and the

negation result is stored to D100 and D101 when X000 turns ON.

16-bit Instruction

Head device number storing binary floating data whose sign is to be inverted

Digit Specification

18.16 FNC128 – ENEG / Floating Point Negation

→ For handling of floating point, refer to Subsection 5.1.3.

Operation Condition

32-bit Instruction

Word Devices

] is inverted, and the negation result is stored to [

18 Floating Point – FNC110 to FNC139

Operation Condition

Pulse (Single)

Real number (binary)

Z Modify K H

Fx3u series Fx3uc series