Mitsubishi Electric FX3G SERIES Programming Manual page 737

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
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.
Errors
An operation error is caused in the following cases; The error flag M8067 turns ON, and the error code is stored in
D8067.
• 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)
*1. The last device number is 23,999 in FX
*2. 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.
Program
X000
M0
3G
3G
PLS
MOV D8000 D200
ADD D8000 K47 D8000
FNC 07
WDT
FNC294
R10 K10
RWER
MOV D200 D8000
FNC 07
WDT
END
33 Extension File Register Control – FNC290 to FNC299
*2. For Ver. 8.18U to 8.24A of GX Developer, the PLC type
is FX3UC.
*1
" (error code: K6706)
*2
PLCs.
PLCs because the contents of extension file registers stored in the
M0
33.5 FNC294 – RWER / Rewrite to ER
FX3U(C)*2
*1
.
31
32
33
34
35
36
37
38
A
B
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