Mitsubishi MELSEC QCPU User Manual

6 - 14 6 - 14
MELSEC-Q/QnA
6 BASIC INSTRUCTIONS
[Program Example]
(1) The following program performs a comparison operation when X20 goes ON, comparing the
data for the number of points from D100 equivalent to the value stored in D0 with the data the
number of points from R0 equivalent to the value stored in D0, and stores the result from M10
onward.
[Ladder Mode] [List Mode]
Steps
Instruction Device
4D0
b15- - - - - - - -b0
(BIN)
D101 (BIN)
(BIN)
1000
2000
4000
3000 (BIN)
D100
D102
D103
1000 (BIN)
R1 2000 (BIN)
4000 (BIN)
5000 (BIN)
R0
R2
R3
ON
M11 ON
ON
OFF
M10
M12
M13
=
==
=
b15- - - - - - - -b0
(2) The following program performs a comparison operation when X1C goes ON, comparing the
constant K1000 with the data 4 points from D10, and stores the result in b4 to b7 of D0.
[Ladder Mode] [List Mode]
Steps
Instruction
Device
0
1
6
LD
BKCMP<>P
X1C
K1000
END
D10
D0.4
K4
2000 (BIN)
D11 1000 (BIN)
2222 (BIN)
1000 (BIN)
D10
D12
D13
(BIN)
b15- - - - - - - -b0
1000
0
1
0 000
1
0
1
0
11
0
0 00
D0 after the operation
Bits already in this state
do not change
[See Function (6)]
b15- - - - - - - - - b7- - -b4- - - - b0
0
1 0 000 1 0001000 00
D0 prior to the operation
< >
b15- - - - - - - -b0
b15- - - - - - - - - b7- - -b4- - - - b0
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Mitsubishi MELSEC QCPU Specifications

General

Brand	Mitsubishi
Model	MELSEC QCPU
Category	Controller
Language	English