6. BASIC INSTRUCTIONS
6
−
24
MELSEC-A
Program Examples B+
Program which performs the addition of BCD data 5678 and 1234, and stores the
result to D993, and at the same time outputs it to Y30 to 3F.
B-
Program which performs subtraction of the BCD data of D3 and that of D8 and
transfers the result to M16 to 31 when X1B turns on.
•
Coding
0 LD
M9036
1 MOVP H5678 D993
6 B+P
H1234 D993
13
MOVP
D993
K4Y030
18
END
0
M9036
P
H
B+
1234
D993
P
H
MOV
5678
D993
P
K4
MOV
D993
Y030
5678 is stored into D993 in BCD
BCD data 1234 and D993 are added and the
result is stored into D993.
Data of D993 is output to the Y30 to 3F.
0
X01B
P
K4
B- D3
D8
M16
•
Coding
0 LD
X01B
1 B-P
D3
D8
K4M16
10
END
Summary of Contents for MELSEC-A series
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