Mitsubishi Electric MELDAS 60 Series Programming Manual page 181

Program example
Program to obtain the No. of D10 data bits that are set to ON (1) when XB turns ON.
XB
10
SUM
D10
Counter data
B15...................................................B0
D10 1 1 0 0 0 0 1 0
The total No. of bits set
to "1" is stored in D20
Counting with SUM command
- 173 -
Coding
No. of Com-
D20 steps mand
10 LD
11 SUM
15
0 0 1 0 0 0 1 1
D20
SUM
Device
XB
D10 D20
6