Mitsubishi Electronics FX3G Manual De Usuario

734

/FX

3GC

/FX

3UC

Series

Programming Manual - Basic & Applied Instruction Edition

33 Extension File Register Control – FNC290 to FNC299

33.5 FNC294 – RWER / Rewrite to ER

2) In FX

/FX

3GC

PLCs

a) When a memory cassette is connected (A memory cassette can be connected only to FX

PLC.)

The contents (current values) of “n” extension registers (R) starting from are written (transferred) to extension
file registers having with same device numbers in a memory cassette (flash memory).

*1.

All points specified by the instruction are written (transferred).

b) When a memory cassette is not connected

The contents (current values) of "n" extension registers (R) starting from

are written (transferred) to

extension file registers which are stored in the EEPROM built into the PLC and have the same device
numbers.

*2.

All points specified by the instruction are written (transferred).

FNC290
RWERP

Command

input

E +1

E +2

E +n-1

+n-1

Write

(transfer)

Extension file registers (ER)
inside memory cassette

Extension registers (R) inside
built-in RAM