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Mitsubishi Electric A800 Programming Manual Page 185

800 series, plc function.
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Application instructions (32-bit)
Function
DAND
• Logical AND is executed for each bit of the 32-bit data of the device specified with
S
specified with
, and the results are stored in the device specified with
• Logical AND is executed for each bit of the 32-bit data of the device specified with
S2
specified with
, and the results are stored in the device specified with
• Bits of the bit device higher than the specified digit are operated as 0.
Execution condition
The execution conditions for logical AND instructions are as follows.
Operation
command
DAND
DANDP
184
Sequence program
D
+ 1
b31
D
1
1
1
1
1
S
+ 1
b31
S
0
1
0
1
1
D
+ 1
b31
D
0
1
0
1
1
S1
+ 1
b31
S1
1
1
1
1
1
S2
+ 1
b31
S2
0
1
0
1
1
D1
+ 1
b31
0
1
0
1
1
D1
D
.
D
b16
b15
1
0
0
1
1
0
DAND
S
b16
b15
0
0
1
0
1
0
D
b16
b15
0
0
0
0
1
0
D1
.
S1
b16
b15
1
0
0
1
1
0
0
DAND
S2
b16
b15
0
0
1
0
1
0
0
D1
b16
b15
0
0
0
0
1
0
0
Executed every
Executed every
scan.
Executed only once.
D
and 32-bit data of the device
b0
0
1
1
b0
0
0
1
b0
0
0
1
S1
and 32-bit data of the device
b0
1
1
b0
0
1
b0
0
1
scan.
Executed only once.

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F800

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