Mitsubishi MELSEC QCPU - Page 29

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MELSEC-Q/QnA
2 INSTRUCTION TABLES
Table 2.10 Comparison Operation Instructions (Continued)
Category
Instruction
Symbols
Symbol Processing Details
Execution
Condition
Number of
Basic Steps
Subset
See for
Description
LDD=
DS1S2
=
ANDD=
DS1S2
=
ORD=
DS1S2
=
• Conductive status when
(S1+1, S1) = (S2+1, S2)
• Non-Conductive status when
(S1+1, S1)
(S2+1, S2)
1 6-4
LDD<>
DS1S2
< >
ANDD<>
DS1S2
< >
ORD<>
DS1S2
< >
• Conductive status when
(S1+1, S1)
(S2+1, S2)
• Non-Conductive status when
(S1+1, S1) = (S2+1,S2)
1 6-4
LDD>
DS1S2
>
ANDD>
D
S1 S2
>
ORD>
S1 S2D
>
• Conductive status when
(S1+1, S1) > (S2+1, S2)
• Non-Conductive status when
(S1+1, S1)
(S2+1, S2)
1 6-4
LDD<=
DS1S2
< =
ANDD<=
DS1S2
< =
ORD<=
DS1S2
< =
• Conductive status when
(S1+1, S1)
(S2+1, S2)
• Non-Conductive status when
(S1+1, S1) > (S2+1, S2)
1 6-4
LDD<
DS1S2
<
ANDD<
D
S1 S2
<
ORD<
D
S1 S2
<
• Conductive status when
(S1+1, S1) <(S2+1, S2)
• Non-Conductive status when
(S1+1, S1)
(S2+1, S2)
1 6-4
LDD>=
D
S1 S2
> =
ANDD>=
DS1S2
> =
32-bit data
compari-
sons
ORD>=
D
S1 S2
> =
• Conductive status when
(S1+1, S1)
(S2+1, S2)
• Non-Conductive status when
(S1+1, S1) < (S2+1, S2)
1 6-4
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