Справочник Пользователя для Mitsubishi Electronics FXCPU
26 Applied Instructions (Character String Control)
26.8 MIDW / Random Replacement of Character Strings
643
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
21
Appl
ied
ied
In
stru
cti
cti
ons
(R
eal
T
T
im
e
C
lock
Contr
Contr
ol)
22
Ap
plied
Instru
ctio
ns
Instru
ctio
ns
(E
xt
er
na
l De
vi
vi
ce
)
23
App
lied Instr
lied Instr
ucti
ons
(Ex
tensi
on
tensi
on
Functi
on)
24
Ap
pl
ied In
struct
struct
ions
(O
thers)
25
Appl
ied
ied
Instru
cti
cti
ons
(B
lock
Dat
a
Dat
a
O
per
at
io
n)
26
App
lie
lie
d Instr
uction
s
s
(Charac
ter
Stri
ng C
ontrol
)
27
Ap
pl
ied Inst
ruct
io
io
ns
(D
ata
Op
eration 3
eration 3
)
28
Appl
ied
ied
In
stru
cti
cti
ons
(D
ata C
om
om
par
ison
)
29
App
lie
lie
d Instr
uction
s
s
(D
ata
T
T
abl
e
O
peration
)
30
Appli
ed In
struc
tions
ed In
struc
tions
(E
xt
ernal Devi
ce
Comm
uni
cat
ion)
26.8
MIDW / Random Replacement of Character Strings
Outline
This instruction replaces the characters in arbitrary positions inside designated character string with a
specified character string.
specified character string.
→ For handling of character strings, refer to "FX Structured Programming Manual [Device &
Common]."
1. Format and operation, execution form
2. Set data
3. Applicable devices
FX
3U(C)
FX
3G(C)
FX
3S
FX
2N(C)
FX
1N(C)
FX
1S
FX
U
/FX
2C
FX
0N
FX
0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder/FBD
ST
MIDW
16 bits
Continuous
MIDW(EN,s1,s2,d);
MIDWP
16 bits
Pulse
MIDWP(EN,s1,s2,d);
Variable
Description
Data type
Input
variable
variable
EN
Execution condition
Bit
Head device storing a character string used in overwriting
String
Head device specifying the head position and number of characters to
be overwritten (2 points occupied)
•
be overwritten (2 points occupied)
•
s2
:
Head character position to be overwritten
•
s2+1 :
Number of characters to be overwritten
ARRAY [1..2] OF ANY16
Output
variable
variable
ENO
Execution state
Bit
Head device storing a character string overwritte
String
Operand
type
Bit Devices
Word Devices
Others
System user
Digit specification
System
user
Special
unit
Index
Cons
tant
Real
Number
Character
String
Pointer
X Y M T C S D
.b KnX KnY KnM KnS T C D R U
\G
V Z Modifier K H
E
"
"
P
z
z
z
z z z z z
z
z
z
z
z
z z z z z
z
z
z
z
z z z z z
z
z
MIDW
EN
ENO
d
s1
s2
s2
MIDWP
EN
ENO
d
s1
s2
s2