Mitsubishi Electronics FX3G User Manual
722
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
Program examples
1) In the case of FX
3U
PLC Ver. 2.20 or later and FX
3UC
PLC Ver. 1.30 or later
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
X000
R0
K1
SET
M0
M8029
RST
M0
FNC295
INITERP
FNC 07
WDTP
END
FNC291
SAVER
R0
K128
D0
(1)
Instruction execution complete flag
(2)
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
Device number Current value
Extension file registers (ER)
ER12
K350
ER19
K400
ER99
K1000
ER100
HFFFF
HFFFF
ER2047
INITER
instruction
(1)
SAVER
instruction
ER0
HFFFF
ER1
HFFFF
ER10
HFFFF
ER11
HFFFF
Device number Current value
Extension file registers (ER)
ER12
HFFFF
ER19
HFFFF
ER99
HFFFF
ER100
HFFFF
HFFFF
ER2047
To the next page
Setting backup data
S
e
tting da
ta (A
)
C
hang
ed data
U
nused
(2)
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