Mitsubishi MELSEC QCPU Programming Manual page 31

Programmable logic controller
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2 INSTRUCTION TABLES
Category
LDE=
E
ANDE=
E
ORE=
E
LDE<>
E
ANDE<>
E
ORE<>
E
LDE>
E
ANDE>
E
ORE>
Real
E
number
data com-
LDE<=
E
parisons
ANDE<=
E
ORE<=
E
LDE<
E
ANDE<
E
ORE<
E
LDE>=
E
ANDE>=
E
ORE>=
E
2 - 11
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Table 2.10 Comparison Operation Instructions (Continued)
Symbol
=
S1 S2
=
S1 S2
=
S1 S2
< >
S1 S2
< >
S1 S2
< >
S1 S2
>
S1 S2
>
S1 S2
>
S1 S2
< =
S1 S2
< =
S1 S2
< =
S1 S2
<
S1 S2
<
S1 S2
<
S1 S2
> =
S1 S2
> =
S1 S2
> =
S1 S2
Processing Details
• Conductive status when
(S1+1, S1) = (S2+1, S2)
• Non-Conductive status when
(S1+1, S1) (S2+1, S2)
• Conductive status when
(S1+1, S1) (S2+1, S2)
• Non-Conductive status when
=
(S1+1, S1)
(S2+1, S2)
• Conductive status when
(S1+1, S1) > (S2+1, S2)
• Non-Conductive status when
(S1+1, S1)
(S2+1, S2)
• Conductive status when
(S1+1, S1)
(S2+1, S2)
• Non-Conductive status when
(S1+1, S1) > (S2+1, S2)
• Conductive status when
(S1+1, S1) < (S2+1, S2)
• Non-Conductive status when
(S1+1, S1)
(S2+1, S2)
• Conductive status when
(S1+1, S1)
(S2+1, S2)
• Non-Conductive status when
(S1+1, S1) < (S2+1, S2)
MELSEC-Q/QnA
Execution
Condition
3
6-6
3
6-6
3
6-6
3
6-6
3
6-6
3
6-6
2 - 11

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