Mitsubishi MELSEC-A series - Page 169

6. BASIC INSTRUCTIONS
6 − 57
MELSEC-A
Execution Conditions
Program Examples XCH
(1) Program which interchanges the present value of T0 and the content of D0
when X8 turns on.
(2) Program which interchanges the content of D0 and the data of M16 to 31 when
X10 turns on.
DXCH
(1) Program which interchanges the content of D0 and 1 and the data of M16 to 47
when X10 turns on.
(2) Program which interchanges the content of D0 and 1 with that of D9 and 10
when M0 turns on.
0
X008
P
XCH T0 D0
• Coding
0 LD X008
1 XCHP T0 D0
6 END
0
X010
P K4
XCH D0 M16
• Coding
0 LD X010
1 XCHP D0 K4M16
6 END
• Coding
0 LD X010
1 DXCHP D0 K8M16
8 END
0
X010
P K8
DXCH D0 M16
• Coding
0 LD M0
1 DXCHP D0 D9
8 END
0
M0
P
DXCH D0 D9
Interchange command
Executed
per scan
Executed
per scan
Executed
only once
Executed
only once
P
OFF
ON