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Mitsubishi MELSEC QCPU User Manual

Mitsubishi MELSEC QCPU
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MELSEC-Q/QnA
2 INSTRUCTION TABLES
2.5.13 Data control instructions
Table 2.30 Data Control Instructions
Category
Instruction
Symbols
Symbol Processing Details
Execution
Condition
Number of
Basic Steps
Subset
See for
Description
LIMIT
LIMIT S3S1 S2
D
LIMITP
LIMITP S3S1 S2
D
• When (S3) < (S1)
................ Store value of (S1) at (D)
• When (S1)
(S3) (S2)
................ Store value of (S3) at (D)
• When (S2) < (S3)
................ Store value of (S2) at (D)
5 7-274
DLIMIT
DLIMIT S3S1 S2 D
Upper and
lower limit
controls
DLIMITP
DLIMITP S3S1 S2 D
• When ((S3)+1, (S3)) < ((S1)+1, S1)
...Store value of ((S1)+1, (S1)) at
((D)+1, (D))
• When ((S1)+1, (S1))
((S3)+1, (S3))<
(S2+1, S2)
...Store value of ((S3)+1, (S3)) at
((D)+1, (D))
• When ((S2), (S2)+1) < ((S3), (S3)+1)
...Store value of ((S2)+1, (S2)) at
((D)+1, (D))
5 7-274
BAND
BAND S3S1 S2 D
BANDP
BANDP S3S1 S2 D
• When (S1)
(S3) (S2) ...0 (D)
• When (S3) < (S1) ..............(S3)-(S1)
(D)
• When (S2) < (S3) ..............(S3)-(S2)
(D)
5 7-277
DBAND
DBAND S3S1 S2 D
Dead band
controls
DBANDP
DBANDP S3S1 S2 D
• When ((S1)+1, (S1))
((S3)+1, (S3))
((S2)+1, (S2))
...0
((D)+1, (D))
• When ((S3)+1, (S3)) < ((S1)+1, (S1))
..((S3)+1, (S3)) - ((S1)+1, (S1))
((D)+1, (D))
• When ((S2)+1, (S2)) < ((S3)+1, (S3))
..((S3)+1, (S3)) - ((S2)+1, (S2))
((D)+1, (D))
5 7-277
ZONE
ZONE S3S1 S2 D
ZONEP
ZONEP S3S1 S2 D
• When (S3) = 0............0
(D)
• When (S3) > 0............(S3)+(S2)
(D)
• When (S3) < 0............(S3)-(S1)
(D)
5 7-280
DZONE
DZONE S3S1 S2 D
Zone
controls
DZONEP
DZONEP S3S1 S2 D
• When ((S3)+1, (S3)) = 0
...0
((D)+1, (D))
• When ((S3)+1, (S3)) > 0
...((S3)+1, (S3))+((S2)+1, (S2))
((D)+1, (D))
• When ((S3)+1, (S3)) < 0
...((S3)+1, (S3)) + ((S1)+1, (S1))
((D)+1, (D))
5 7-280
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Mitsubishi MELSEC QCPU Specifications

General IconGeneral
BrandMitsubishi
ModelMELSEC QCPU
CategoryController
LanguageEnglish

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