Mitsubishi FX3G Series Programming Manual page 322

FX /FX /FX /FX
3G 3U 3GC 3UC
Programming Manual - Basic & Applied Instruction Edition
Caution
While the command input is OFF, the instruction is not executed.
The output of the number of bits in the ON status is latched in the previous status.
Program example
When X000 is ON, the number of bits in the ON status in D0 is counted, and stored to D2.
X000
FNC 43
SUM
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
0 1 0 1 0 1 0 1 0 1 0 1 0 1 1 1
320
Series
S D
The number of "1" in D0 is stored to D2.
D 0 D 2
D 0 = K0
D 0 = K21847
12 Data Operation – FNC 40 to FNC 49
12.4 FNC 43 – SUM / Sum of Active Bits
D 2 = K0
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
M8020=ON Zero flag
D 2 = K9
0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 1
M8020=OFF Zero flag
32 16 8 4 2 1