Mitsubishi MELSEC-A series, Programming Manual

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3. INSTRUCTION STRUCTURE
3
−
5
MELSEC-A
(3) When there is digit specification on the source (S) side, the range of numeric
values handled as source data are as shown in Table 3.2.
Table 3.2 List of Digit Specification and Handled Numeric Values
Specified Number
of Digits
32-Bit Instruction
Specified Number
of Digits
32-Bit Instruction
K1 (4 points) 0 to 15 K5 (20 points) 0 to 1048575
K2 (8 points) 0 to 255 K6 (24 points) 0 to 167772165
K3 (12 points) 0 to 4095 K7 (28 points) 0 to 268435455
K4 (16 points) 0 to 65535 K8 (32 points)
−
2147483648 to 2147483647
Ladder Example Processing
32-bit instruction
Fig. 3.5 Ladder Example and Processing
(4) 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. 3.6 Ladder Example and Processing
POINT
For digit specification processing, any desired value can be used for the head
device number of bit devices.
Source (S) data
P K1
DMOV X000 D0 X010
Destination (D) side
X010
P H K5
DMOV 78123456 M0
Destination (D) side
X010
P K5
DMOV D0 M10