Mitsubishi MELSEC QCPU User Manual

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MELSEC-Q/QnA
3 CONFIGURATION OF INSTRUCTIONS
XF
K1 designation
range
(4 points)
K2 designation range
(8 points)
K3 designation range
(12 points)
K4 designation range
(16 points)
XC
XB
X8 X7 X4 X3 X0
to to to to
Fig 3.1 Digit Designation Setting Range for 16-Bit Instruction
(b) In cases where digit designation has been made at the source
S
, the numeric values
shown in Table 3.1 are those which can be dealt with as source data.
Table 3.1 List of Numeric Values that Can Be Dealt with as Digit Designation
Number of Digits Designated With 16-Bit Instruction
K1 (4 points) 0 to 15
K2 (8 points) 0 to 255
K3 (12 points) 0 to 4095
K4 (16 points) -32768 to 32767
In cases where the source is a bit device designated by digit designation, and the
destination is a word device, the word device for the destination becomes 0 following
the bit designated by digit designation at the source.
Ladder Example Processing
With 16-bit instruction
X010
MOV K1X0 D0
Source data
S
0 0 X3
b0
D0
K1X0
b1b2b3
0000000000 X2X1X0
Become 0
X3X2X1X0
b15 b4
Fig 3.2 Ladder Example and Processing Conducted
(c) 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 Processing
When source
S
data is a numerical value
X010
MOV H1234 K2M0
Destination
D
M15 M8
0 0 1 1 0 1 00
M7 M0
Do not change
K2M0
0 0 1 1 0 1 00H1234 00100100
3 4
3
4
12
When source
S
data is a word device
X10
MOV D0 K2M100
Destination
D
1
M107
0 0 1 1 1 01
M100
Do not change
K2M100
b15 b8
1 0 0 1 1 1 01
b7 b0
D0 10011101
M115
M108
Fig 3.3 Ladder Example and Processing Conducted
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Mitsubishi MELSEC QCPU Specifications

General

Brand	Mitsubishi
Model	MELSEC QCPU
Category	Controller
Language	English