Mitsubishi MELSEC-A series - Buffer Memory Details

3. INSTRUCTION STRUCTURE
3 − 4
MELSEC-A
Ladder Example Processing
16-bit instruction
(b) When there is digit specification on the destination (D) side, the number of
points set by the digit specification is used on the destination side.
Circuit Example Processing
Source (S) data is numeric value
Source (S) data is word device
Fig. 3.3 Ladder Example and Processing
(2) 32-bit instruction: K1 to 8 (4 to 32 points)
Example: Setting range by the digit specification of 32-bit data, X0 to 1F
Fig. 3.4 Digit Specification Range of 32-Bit Instruction
Specification
range of K1
(4 points)
Specification range of K2
(8 points)
Specification range of K3
(12 points)
Specification range of K4
(16 points)
Specification range of K5
(20 points)
Specification range of K6
(24 points)
Specification range of K7
(28 points)
S
p
ecification ran
g
e of K8
(32 points)
Fi
g
. 3.2 Ladder Exam
p
le and Processin
g
Source (S) data
P K1
MOV X000 D0
X
0
1
0
Destination (D) side
P H
MOV 1234
X
0
1
0
K2
M0
Destination (D) side
P
MOV D0
X010
K2
M100