Mitsubishi Electric FX3G SERIES Programming Manual page 724

Programmable controllers

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Table of Contents

Series Programmable Controllers

Programming Manual - Basic & Applied Instruction Edition

In the case of FX

In the example shown below, only extension registers R10 to R19 (in sector 0) need to be updated in the

extension file registers (ER). When X000 is set to ON, sector 0 (head device R0) is written to the extension file

registers 128 points at a time. (128 points are written in one operation cycle)

Extension registers (R)

Device number Current

PLCs before Ver.1.30

Instruction execution complete flag

Setting data

Setting backup data

Extension file registers

Device number Current

33 Extension File Register Control – FNC290 to FNC299

33.2 FNC291 – SAVER / Save to ER

Temporarily withdrawn data

Unused extension

Device number Current

*1 Temporarity store data in unused devices.

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