Mitsubishi Electric MELSEC FX Series - 7.19.2 BK-

7 Applied Instructions
7.19 Block Data Operation
618
FXCPU Structured Programming Manual
(Basic & Applied Instruction)
7.19.2 BK-
Outline
This instruction subtracts binary block data.
1. Format and operation, execution form
2. Set data
3. Applicable devices
FX3U(C) FX3G FX2N(C) FX1N(C) FX1S FXU/FX2C FX0N FX0(S)
Instruction
name
Operation
Execution
form
Expression in each language
Structured ladder ST
BK- 16 bits Continuous BK-(EN,s1,s2,n,d);
BK-P 16 bits Pulse BK-P(EN,s1,s2,n,d);
DBK- 32 bits Continuous DBK-(EN,s1,s2,n,d);
DBK-P 32 bits Pulse DBK-P(EN,s1,s2,n,d);
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
zzz z z
zz zz
BK-
EN ENO
ds1
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