Mitsubishi MELSEC QS Series Programming Manual page 35

(c) When destination (D) data is a word device
The word device for the destination becomes 0 following the bit designated by digit
designation at the source.
Ladder Example
16-bit Instruction
X010
MOV K1X0
Source (S) data
Fig 3.2 Ladder Example and Processing Conducted
(d) In cases where digit designation is made at the destination (D), the number of points
designated are used as the destination.
Bit devices below the number of points designated as digits do not change.
Ladder Example
When source (S) data is a
numerical value
X010
MOV H1234
Destination (D)
When source (S) data is a word device
X10
MOV D0
Destination (D)
Fig 3.3 Ladder Example and Processing Conducted
(2) Using word devices
Word devices are designated in 1-point (16 bits) units.
M0
MOV
When digit designation processing is conducted, a random value can be used for
the bit device head device number.
D0
D0
H1234
K2M0
K2M0
K2M100
K2M100
K100 D0
The 1 point D0 (16 bits) is
designated
Processing
K1X0
Filled with 0.
b15
0 0 0 0 0 0 0 0 0 0 0
Processing
1 2 3
0 0 0 1 0 0 1 0 0 0 1 1 0 1 0 0
M15 M8 M7
0 0 1 1 0 1 0 0
Not changed 3
b15 b8 b7
D0 1 1 1 0 1 0 1 0 1 0 0 1 1 1 0 1
M115 M108 M107
1 0 0 1 1 1 0 1
Not changed
3.2 Designating Data
3.2.2 Using word (16 bits) data
X3 X2 X1 X0
b4 b3 b2 b1 b0
0 X3 X2 X1 X0
3
4
M0
4
b0
M100
3-5