Справочник Пользователя для Mitsubishi Electronics FXCPU
25 Applied Instructions (Block Data Operation)
25.2 BK- / Block Data Subtraction
605
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)
25.2
BK- / Block Data Subtraction
Outline
This instruction subtracts binary block data.
1. Format and operation, execution form
*1.
Refer to "Cautions".
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
*1
BK-
16 bits
Continuous
-
BK-P
16 bits
Pulse
-
DBK-
32 bits
Continuous
-
DBK-P
32 bits
Pulse
-
Variable
Description
Data type
16-bit
operation
32-bit
operation
Input
variable
variable
EN
Execution condition
Bit
Head device storing subtraction data
ANY16
ANY32
Subtracted constant or head device storing subtraction data
ANY16
ANY32
Number of pieces of data
ANY16
ANY32
Output
variable
variable
ENO
Execution state
Bit
Head device storing operation result
ANY16
ANY32
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
X Y 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
BK-
EN
ENO
d
s1
s2
n
BK-P
EN
ENO
d
s1
s2
n
DBK-
EN
ENO
d
s1
s2
n
DBK-P
EN
ENO
d
s1
s2
n