6. BASIC INSTRUCTIONS
6 − 5
MELSEC-A
REMARK
The number of steps is seven in the following cases:
• Index qualification has been performed.
• The digit specification of bit device is not K4.
• The head number of bit device is not a multiple of 8.
A multiple of 16 when the A3H, A3M, or A ACPU is used.
Program Examples =
(1) Program which compares the data of X0 to F and the data of D3.
<>
(2) Program which compares the BCD value 100 and the data of D3.
>
(3) Program which compares the BIN value 100 and the data of D3.
<=
(4) Program which compares the data of D0 and that of D3.
()
0
K4
= X000 D3
Y033
• Coding
0 LD= K4X000 D3
5 OUT Y033
6 END
()
0
H
<> 0100 D3
Y033
• Coding
0 LD M3
1 AND<> H0100 D3
6 OUT Y033
7 END
M3
()
0
K
> 100 D3
Y033
• Coding
0 LD M3
1 LD> K100 D3
6 OR M8
7 ANB
8 OUT Y033
9 END
M3
M8
()
0
<= D0 D3
Y033
• Coding
0 LD M3
1 AND M8
2 OR<= D0 D3
7 OUT Y033
8 END
M3 M8
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