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25 Applied Instructions (Block Data Operation)
25.2 BK- / Block Data Subtraction
605
FXCPU Structured Programming Manual
[Basic & Applied Instruction]
21
Applied Instructions
(Real Time
Clock Control)
22
Applied Instructions
(External Device)
23
Applied Instructions
(Extension
Function)
24
Applied Instructions
(Others)
25
Applied Instructions
(Block Data
Operation)
26
Applied Instructions
(Character
String Control)
27
Applied Instructions
(Data Operation 3)
28
Applied Instructions
(Data Comparison)
29
Applied Instructions
(Data Table
Operation)
30
Applied Instructions
(External Device
Communication)
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
FX3U(C) FX3G(C) FX3S FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(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
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
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
XYMTCS
D.b
KnX KnY KnM KnS T C D R
U\G
X Y Modifier K H E
""
P
zzz z z
zzz z z zz
zz zz
zzz 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