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2 INSTRUCTION TABLES
2.4 Basic Instructions
2.4.1 Comparison operation instruction
Category
=
LD=
=
AND=
OR=
=
< >
LD<>
< >
AND<>
OR<>
< >
>
LD>
>
AND>
OR>
>
16-bit data
compari-
< =
sons
LD<=
< =
AND<=
OR<=
< =
<
LD<
<
AND<
OR<
<
> =
LD>=
> =
AND>=
OR>=
> =
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Table 2.10 Comparison Operation Instruction
Symbol
• Conductive status when (S1) = (S2)
S1 S2
• Non-conductive status when (S1)
S1 S2
S1 S2
• Conductive status when (S1)
S1 S2
• Non-conductive status when (S1) = (S2)
S1 S2
S1 S2
• Conductive status when (S1) > (S2)
S1 S2
• Non-conductive status when (S1)
S1 S2
S1 S2
• Conductive status when (S1)
S1 S2
• Non-conductive status when (S1) > (S2)
S1 S2
S1 S2
• Conductive status when (S1) < (S2)
S1 S2
• Non-conductive status when (S1)
S1 S2
S1 S2
• Conductive status when (S1)
S1 S2
• Non-conductive status when (S1) < (S2)
S1 S2
S1 S2
Processing Details
(S2)
(S2)
(S2)
(S2)
(S2)
(S2)
MELSEC-Q/QnA
Execution
Condition
3
6-2
3
6-2
3
6-2
3
6-2
3
6-2
3
6-2
2 - 8
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