Mitsubishi Electric MELSEC FX3U Programming Manual page 342

FX /FX /FX Series Programmable Controllers
3G 3U 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
Before
execution
After
execution
3. Operation result
b15 b14 b13 b12 b11 b10 b9
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
340
D S +1, D S
1
FNC 43
S D
DSUM
Word data
K21847
S
K0 K0
D
K21847
S
K0 K9
D
according to the
D D
1
Bit device
b8 b7
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
+1, ] is counted, and stored to
D S D S
1 1
D D , and K0 is stored in
1
], the zero flag M8020 turns ON.
1
Number of bits in
S
[ +1,
the ON status in
...
b31 b17 b16 b15 b14 b13
0 0 0 0 0 0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 1
←
(Number of "1" (ON)) 9
0 0 0 0 0 0 0 0
...
b31 b17 b16 b15 b14 b13
0 0 0 0 0 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
value (in 16-bit operation)
D S
1
S
b6 b5 b4 b3 b2
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
0 0 0 0 1
0 0 0 0 1
0 0 0 0 1
0 0 0 1 0
0 0 0 1 0
0 0 0 1 0
0 0 0 1 0
1 1 1 1 0
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 D
1
D D +1.
1
→
S
] D D
+1,
K0 is written
32-bit data
b12 b11 b10 b9 b8 b7 b6 b5
← ← ← ←
8 7 6 5
0 0 0 0 0 0 0 0
b12 b11 b10 b9 b8 b7 b6 b5
32 16 8 4 2 1
0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1
Word device
b1 b0 Decimal Hexadecimal
0 0 0 0000
0 1 1 0001
1 0 2 0002
1 1 3 0003
0 0 4 0004
0 1 5 0005
1 0 6 0006
1 1 7 0007
0 0 8 0008
0 1 9 0009
1 0 10 000A
1 1 11 000B
−5
1 1 FFFB
−4
0 0 FFFC
−3
0 1 FFFD
−2
1 0 FFFE
−1
1 1 FFFF
b4 b3 b2 b1 b0
←
4 3 2 1
0 0 0 0 0
b4 b3 b2 b1 b0
0 1 0 0 1
M8020
(zero
D
flag)
0 ON
1 OFF
1 OFF
2 OFF
1 OFF
2 OFF
2 OFF
3 OFF
1 OFF
2 OFF
2 OFF
3 OFF
OFF
15 OFF
14 OFF
15 OFF
15 OFF
16 OFF