Mitsubishi Electric MELSEC FX3U Programming Manual page 767

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
2) In the case of FX
In the program example shown below, the changed content settings of the extension registers R10 to
R19 (sector 0) are reflected on extension file registers (ER) when X000 is set to ON. (128 points are
written in one operation cycle.)
Program
X000
M0
Instruction execution complete flag
M8029
Operation
Extension registers (R)
Device number Current
PLCs former than Ver.1.30
3UC
SET
FNC 15
R0 R30720
BMOVP
FNC292
R0
INITRP
FNC 15
R30720 R0
BMOVP
FNC291
R0 K128
SAVER
RST
Setting data Setting backup data
Extension file registers
Device number Current
value
R0 K100 ER0
R1 K105 ER1
. . .
. . .
. . .
R10 K200 ER10
R11 K215 ER11
R12 K400 ER12
. . .
. . .
. . .
R19 K350 ER19
. . .
. . .
. . .
R99 K1000 ER99
R100 HFFFF ER100
. . .
. . .
. . .
R2047 HFFFF ER2047
33 Extension File Register Control – FNC290 to FNC299
M0
K100
(1)
K1
(2)
FNC 07
WDTP
K100
(3)
D0 (4)
M0
END
Temporarily withdrawn data
(ER)
Device number Current
value
K100
K105
.
.
.
K300
K330
(1)
K350
.
BMOV
.
.
instruction
K400
.
.
.
K1000
HFFFF
*1 Use unused devices as an
.
area to which data are
.
.
temporarily withdrawn.
HFFFF
33.2 FNC291 – SAVER / Save to ER
*1
Unused extension
registers
value
R30720 K100
R30721 K105
. .
. .
. .
R30730 K200
R30731 K215
(2)
R30732 K400
. .
INITR
. .
. . instruction
R30739 K350
. .
. .
. .
R30819 K1000
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