Mitsubishi Electric MELSEC FX Series - Page 786

7 Applied Instructions
7.27 Extension File Register Control
784
FXCPU Structured Programming Manual
(Basic & Applied Instruction)
Program example
In the program example shown below, the changed contents of extension registers R10 to R19 (sector 0)
used for setting data are reflected on extension file registers (ER) when X000 turns ON.
Program
Operation example
[ST]
PLS(X000,M0);
MOV(M0,D8000,D200);
ADD(M0,D8000,K47,D8000);
WDT(M0);
RWER(M0,R10,K10);
MOV(M0,D200,D8000);
WDT(M0);
M0
X000
MOV
EN
s
ENO
d
D200D8000
ADD
EN
s1
s2
ENO
d
D8000
D8000
WDT
EN ENO
RWER
EN ENO
s
n
PLS
EN ENO
d
M0
K47
*1
R10
K10
MOV
EN
s
ENO
d
D8000D200
WDT
EN ENO
[Structured ladder]
Setting data (A)
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
HFFFFR2047
Unused
Write
(when X000
turns ON.)
Changed data
ER0 K100
ER1 K105
ER10 K200
ER11 K215
Setting backup data
Device number
Current
value
Extension file registers (ER)
ER12 K400
ER19 K350
ER99 K1000
ER100 HFFFF
HFFFFER2047