Mitsubishi FX3G Series Programming Manual page 321

FX /FX /FX /FX
3G 3U 3GC 3UC
Programming Manual - Basic & Applied Instruction Edition
2. 32-bit operation (DSUM and DSUMP)
The number of bits in the ON status in [
• The number of bits in the ON status are stored in
• When all bits are OFF in [
Command
input
FNC 43
DSUM
Before
execution
After
execution
3. Operation result
b15 b14 b13 b12
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
0 0 0 0
1 1 1 1
1 1 1 1
1 1 1 1
1 1 1 1
1 1 1 1
Series
D S
+1,
1
D S +1, D S ], the zero flag M8020 turns ON.
1 1
Number of bits in
S D
the ON status in
Word data
b31
K21847
S 0 0 0 0 0
(Number of "1" (ON))
K0 K0
D 0
b31
K21847
S 0 0 0 0 0
K0 K9
D
0
according to the
D D
1
Bit device
b11 b10 b9 b8 b7 b6
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
0 0 0 0 0 0
1 1 1 1 1 1
1 1 1 1 1 1
1 1 1 1 1 1
1 1 1 1 1 1
1 1 1 1 1 1
12 Data Operation – FNC 40 to FNC 49
12.4 FNC 43 – SUM / Sum of Active Bits
D S
] is counted, and stored to
1
D D
, and K0 is stored in
1
S S
[ +1,
32-bit data
...
b17 b16 b15 b14 b13 b12 b11
0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 1
← ←
9 8
0 0 0 0 0 0 0 0 0
...
b17 b16 b15 b14 b13 b12 b11
0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 1
0 0 0 0 0 0 0 0 0 0 0 0 0 0
value (in 16-bit operation)
D S
1
S
b5 b4 b3 b2 b1 b0
0 0 0 0 0 0
0 0 0 0 0 1
0 0 0 0 1 0
0 0 0 0 1 1
0 0 0 1 0 0
0 0 0 1 0 1
0 0 0 1 1 0
0 0 0 1 1 1
0 0 1 0 0 0
0 0 1 0 0 1
0 0 1 0 1 0
0 0 1 0 1 1
1 1 1 0 1 1
1 1 1 1 0 0
1 1 1 1 0 1
1 1 1 1 1 0
1 1 1 1 1 1
D D
.
1
D D
+1.
1
→
] D D
+1,
K0 is written
b10 b9 b8 b7 b6 b5 b4 b3 b2
← ← ← ←
7 6 5 4 3
0 0 0 0 0 0 0 0 0
b10 b9 b8 b7 b6 b5 b4 b3 b2
32 16 8 4 2 1
0 0 0 0 0 1 0 0 0 0 0 1 0 1 0
Word device D
Decimal Hexadecimal
0 0000 0
1 0001 1
2 0002 1
3 0003 2
4 0004 1
5 0005 2
6 0006 2
7 0007 3
8 0008 1
9 0009 2
10 000A 2
11 000B 3
−5
FFFB 15
−4
FFFC 14
−3
FFFD 15
−2
FFFE 15
−1
FFFF 16
11
12
b1 b0
13
2 1
0 0
b1 b0
14
0 1
15
M8020
(zero
flag)
ON
OFF
16
OFF
OFF
OFF
OFF
OFF
OFF
17
OFF
OFF
OFF
OFF
OFF
18
OFF
OFF
OFF
OFF
OFF
19
20
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