Mitsubishi Electric FX3G SERIES Programming Manual page 737

Programmable controllers

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Table of Contents

Series Programmable Controllers

Programming Manual - Basic & Applied Instruction Edition

[3]Select "Ext. file register" and "Ext. register" on

the "Device data" tab. In GX Developer before

Ver.8.18U, the extension file register range

cannot be set.

[4]Click [Execute] button to execute reading.

[5]When reading is completed, save the project.

An operation error is caused in the following cases; The error flag M8067 turns ON, and the error code is stored in

• When the last device number to be transferred exceeds "32767

At this time, data is read (and transferred) until the last device number R32767

• When a memory cassette is not connected (error code: K6771)

• When the protect switch of the memory cassette is set to ON (error code: K6770)

The last device number is 23,999 in FX

An operation error is not caused in FX

EEPROM built into the PLC are read if a memory cassette is not connected.

Program example

In the program example shown below, the contents of extension registers R10 to R19 (sector 0) are transfrred to

extension file registers (ER) when X000 turns ON.

33 Extension File Register Control – FNC290 to FNC299

*2. For Ver. 8.18U to 8.24A of GX Developer, the PLC type

" (error code: K6706)

PLCs because the contents of extension file registers stored in the

33.5 FNC294 – RWER / Rewrite to ER

Fx3u series Fx3uc series