Mitsubishi Electronics FX3G User Manual
724
FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
Series
Programming Manual - Basic & Applied Instruction Edition
33 Extension File Register Control – FNC290 to FNC299
33.2 FNC291 – SAVER / Save to ER
2) In the case of FX
3UC
PLC before Ver. 1.30
In the example shown below, only extension registers R10 to R19 (in sector 0) need to be updated in the
extension file registers (ER). When X000 is set to ON, sector 0 (head device R0) is written to the extension file
registers 128 points at a time. (128 points are written in one operation cycle)
extension file registers (ER). When X000 is set to ON, sector 0 (head device R0) is written to the extension file
registers 128 points at a time. (128 points are written in one operation cycle)
Program
Operation
M0
FNC 15
BMOVP
R0
R30720
K100
X000
R0
K1
SET
M0
M8029
RST
M0
FNC292
INITRP
FNC 07
WDTP
FNC291
SAVER
R0
K128
D0
END
Instruction execution complete flag
(1)
(2)
FNC 15
BMOVP
R30720
R0
K100
(3)
(4)
R0
K100
R1
K105
R10
K200
R11
K215
Setting data
Device number
Current
value
Extension registers (R)
R12
K400
R19
K350
R99
K1000
R100
HFFFF
HFFFF
R2047
ER0
K100
ER1
K105
ER10
K300
ER11
K330
Setting backup data
Extension file registers
(ER)
ER12
K350
ER19
K400
ER99
K1000
ER100
HFFFF
HFFFF
ER2047
R30720
K100
R30721
K105
R30730
K200
R30731
K215
Temporarily withdrawn data
*1
Unused extension
registers
R30732
K400
R30739
K350
K1000
R30819
BMOV
instruction
(1)
*1 Temporarity store data in unused devices.
INITR
instruction
Device number
Current
value
Device number
Current
value
Setting data (A)
Changed data
Unused
(2)
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