![Mitsubishi Electric MELSEC FX3G Programming Manual Download Page 772](http://html.mh-extra.com/html/mitsubishi-electric/melsec-fx3g/melsec-fx3g_programming-manual_239083772.webp)
770
FX
3G
/FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
33 Extension File Register Control – FNC290 to FNC299
33.3 FNC292 – INITR / Initialize R and ER
Program example
In the program example shown below, the extension registers R0 to R2047 in the sector 0 are initialized.
Note that the extension file registers ER0 to ER2047 are also initialized if a memory cassette is attached.
• Extension registers (R) [inside the built-in RAM memory]
Device number
Current value
Before execution
After execution
R0
H1234
HFFFF
R1
H5678
HFFFF
R2
H90AB
HFFFF
...
..
.
..
.
R2047
HCDEF
HFFFF
FNC292
INITR
R0
K1
FNC 07
WDT
FNC 07
WDT
X000
END