7. APPLICATION INSTRUCTIONS
7 − 19
MELSEC-A
DXNR
(1) Program which compares the bit pattern of the 32-bit data of X20 to 3F and that
of the data of D16 and 17, and stores the number of the same bit patterns to
D18 when X6 turns on.
X006
0
P K8
DXNR X020 D16
P
DSUM D16
Exclusive NOR of the 32-bit data of X20 to 3F
and the data of D16 and 17 is performed.
Among 32-bit data of D16 and 17, the total
number of "1" bits is stored into A0.
• Coding
0 LD X006
1 DXNRP K8X020 D16
10 DSUMP D16
13 MOVP A0 D18
18 END
P
MOV A0 D18
Data of A0 is stored into D18.
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