Mitsubishi Electric MELSEC FX Series Structured Programming Manual page 617

FXCPU Structured Programming Manual
(Basic & Applied Instruction)
3. Applicable devices
Bit Devices
Operand
System user
type
X Y M T C S D .b KnX KnY KnM KnS T C D R U \G
Function and operation explanation
1. 16-bit operation (BK+/BK+P)
Head device storing addition data
Added constant or head device storing addition data
1) "n" 16-bit binary data starting from the device specified by
starting from the device specified by
device specified by
b15
s1 +0 K1234
+1 K4567
+2 K-2000
+(n-2) K-1234
+(n-1) K4000
2) A (16-bit) constant from -32768 to 32767 can be directly specified in the device specified by
b15
s1 +0 K1234
+1 K4567
+2 K-2000
+(n-2) K-1234
+(n-1) K4000
2. 32-bit operation (DBK+/DBK+P)
Command
DBK+
input
EN
s1
*1
Label 1
*2 s2
Label 2
n
*3
Label 3
*1. This defines the head of the device that stores the addition data.
*2. This defines the added constant or the head of the device that stores the addition data.
*3. This defines the number of pieces of data.
*4. This defines the head of the device that stores the operation result.
Word Devices
Digit specification
Command
input
Number of pieces of data
, and the operation result is stored in "n" points starting from the
.
b0 b15
s2 +0
+1
+
+2 K-1234
"n"
points
+(n-2)
+(n-1)
b0
+
"n"
s2 K4321
points
ENO
d
*4
Label 4
System Special
Index
user unit
V Z Modifier K H
BK+
EN ENO
s1 d
Head device storing
operation result
s2
n
are added to "n" 16-bit binary data
b0
K4000 d
K1234
"n"
points
K5000 +(n-2)
K4321 +(n-1)
d
+(n-2)
+(n-1)
7 Applied Instructions
7.19 Block Data Operation
Others
Cons Real Character
Pointer
tant Number String
E
" "
b15 b0
+0 K5234
+1 K5801
+2 K-3234
"n"
points
K3766
K8321
.
b15 b0
+0 K5555
+1 K8888
+2 K2321
"n"
points
K3087
K8321
615
1
P
2
3
4
5
6
7
8
A