Metal Silver

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• ?20??90????,????????????,???????????????
  ??????????,??????????????????????????????????????
  ????????????????????????????(National
  Instruments,??NI)?????????????????,???????LabVIEW?
  1986?????,??????????????????????,?????????????????
  ????,?????????????????????????,?????????????,?????
  ?????,???????LabVIEW????????????

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• 1????????????????
• 2???LabVIEW?????????????????????????,????
  ?????????
• 3??????????????????????A/D?D/A?????
• 4??????????????????????

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• ?????????Windows XP/2000????Pentium
  ??????????128MB?RAM130MB?????800600?????????

??12?????????PCI-6024E(??????CB-68LP)?
?????Measurement Automation
???????LabVIEW 7.0
??????????
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1. ??????? ???????????????????????????????????
?????????????,???????????????????????????????????
??????????????,??????????????????,????????????????
??????????
?????????? (1)????????????????????????? (2)??????
????????????????,?????????????? (3)???????????????
?????????? ???????????????????????????,??,?????
?????????????????????????????
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2. LabVIEW???? (1) ?? LabVIEW????????????(Laborat
ory Virtual Instrument Engineering
Workbench)???,?NI?????????,???????????????????????
???????,???????????????(??)????,??????????????????
??
LabVIEW???????????,????????????????????????
,?????????????????????LabVIEW??????????????
???????,???G??,??????????????????????????
???,????????????????????????????????,?????????????
???????,??,G?????????????????????????G????????????
??,?????????????????????????????????
G?????????????VI(Virtual
Instruments)???VI????????????VI??????????????????
?,VI?????????,?????????,???????????
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(2) ???? ?LabVIEW??????????????.vi??,???????????
???VI(???VI)??,???????????(front panel)???(block
diagram)? ? ??? ????VI?????????????????????
??,?????????????,??????
????????(Control,?????,???????)????(Indicat
or,?????,????????)?
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? ?? ????VI???????,?????????,?G???????????????????
????????,???????????????????????,?????????????????
???,??????VI????????????????????????????????? VI??
????????,????VI????????,???????VI(Sub
VI),???VI????? ???VI????????,?????????????
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(3)????????? ? ????? ??LabVIEW?????,????LabVIEW???
???,?????(File)???(Edit)???(Operate)???(Tools)???
(Browse)???(Window)???(Help)7??,?????????Window???
??????????? File?????Save with
Options(??????VI,???VI???)??VI
Properties(????VI?????,??????????)?,???LabVIEW???
? Edit?????????,???????Remove Broken
Wires(????????????)?Create SubVI(????????????Sub
VI)? Tools?????????????,??Measurement
Automation Explorer(???????????)????? Browse?????
????VI?????,????VI???SubVI(This VIs
SubVIs)???VI???????(Break Points)?? Window???????
????????????,?????????(???????)???????????????? H
elp???????????????Show Context
Help,???????????????????????,?????????????VI?,????
???????,?????????????????????????????
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? ????? ??????????,??????????
1 2 3 4 5 6 7 8 9
10 11 12
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???? ?? ????
1 ???? ?????,??VI???????????????(?????????)???,??VI??,??????????,???Error List???,?????VI?????
2 ?????? ?????,?????VI?
3 ?????? ?????,?????VI???
5 ????? ?????,?????VI??????????????,?????
9 ?????? ??????????????????????
10 ????? ?????????????????????????????????,????????
11 ????? ?????????????????????????????????????????????????????????????????????
4?????6???(?)??7???(?)??8???(?)??12????????13????????????? 4?????6???(?)??7???(?)??8???(?)??12????????13????????????? 4?????6???(?)??7???(?)??8???(?)??12????????13?????????????
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(4) ???? ????????,LabVIEW???3???????????,?????(Too
ls)?????(Controls)?????(Functions)???
? ????(Tools Palette) ????????????????????????????
?????????VI?????????????????????????????,?????????
???????????????????,???Windows?????Show Tools
Palette?????????
? ? ? ? ? ?
Operate Value(???) ?????????????
Position/Size/Select(??) ????????????????
Edit Text(????) ?????????????????
Connect Wire(??) ?????????????
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? ????(Control Palette) ?????????????????? ??????
??????????????????????????????????????,???????????
???,???????,?????????????????????????????????????
?????????,???Windows????Show Controls
Palette????????????????,?????????????,???????
??????????8?????Express???,???Express?????,???????
?9????,?All Controls??????LabVIEW????????,??????,?
??????????????????????????15?????(??????????)
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? ? ? ? ? ?
Numeric Controls ????????????,????????????
Numeric Indicators ????????????,???????????????
Buttons Switchs ????????????,?????????
LEDs ????????????,??LED??????LED?????
Text Controls ??????????,????????????
Text Indicators ??????????,????????????
Graph Indicators ???????????Waveform Chart?Waveform Graph?Express Waveform XY Graph?3?Express?????
All Controls ??????????LabVIEW?????????????Express???,???Express?????
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? ????(Functions Palette) ???????????,?????????
???????LabVIEW????????,????????LabVIEW??????LabVIE
W????????????????????,????????????????????????????
??,????????????????? ????????,???Windows????Show
Functions Palette??????????????????????????????,?
????? ???????7?????Express?????,??????Express??,??
????????8????,?All Functions??????LabVIEW??????,??
???,????????????????????????????????????????????I/
O?21?????(??????????)
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? ? ? ? ? ?
Input ??????????????????????
Signal Analysis ???????????????????????????
Output ??????????????????????
Excution Control ??????????????VI??????????????
Arithmetic Comparision ????????????????????????????
Signal Manipulation ???????????????????????
(5) ???? ????FunctionsgtgtExecution
Control?FunctionsgtgtAll FunctionsgtgtStructures???? W
hile????????????,?????????????,???????????????? F
or????????????????? ??(Case)???????????????,????
???????????????????????????????? ?????(Shift
Register)??????????????????????
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(6) ???? ? ?VI ?VI(SubVI)??????????????,??????VI??
?VI????VI????????,???????????,??????VI????Edit
???,??Create SubVI,???????VI???,?????????????????V
I? ? ?? ??(Array)?????????????????????????????????
????????????,?????????????????,???????????????? ??
??????????,???ControlsgtgtAll ControlsgtgtArray
ClustergtgtArray??????(shell)???????,?????????????
(????????????????)? LabVIEW????????????????,????Fu
nctionsgtgtAll Functionsgtgt Array?,????????Build
Array???????Initialize Array??????Index
Array?23????
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? ? ?(Cluster)??????????????,????????????????????
????????????????????????Control,???Indicator?????C
ontrol??Indicator,?????????????? ?????????(Order),
?????????????,????????????????,???????????????????
???????,?????????????????????????????????????,????
?????????,???VI???????? ???????ControlsgtgtAll
ControlsgtgtArray ClustergtgtCluster??????(Cluster
shell)??????????????????????????? LabVIEW????????
???????,??FunctionsgtgtAll FunctionsgtgtCluster?,??Clu
ster Constant?Build Cluster Array?Cluster To
Array?9??????,???????????????Bundle??????Unbundle?
?? ? ?? ??(Chart)?LabVIEW????????????,???????????,
?????????????????? ????????(Waveform
chart),???ControlgtgtGraph Indicators?ControlgtgtAll
ControlgtgtGraph????? ?????????????????????????????
??????? ???????????????????Bundle??????Functionsgt
gtSignal ManupulationgtgtMerge Signal??????????,?????
??
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? ?? ??(Graph)?LabVIEW?????????????,??????????????
??????? ????????????,?????????,??????????????????
?????????????? ???????(Waveform Graph)????(XY
Graph)??ControlgtgtGraph Indicators?ControlgtgtAll
ControlgtgtGraph????????????????????????,???????????
?????,????????????????????????????,??????????????
????,????????????????????????? ????????????????,??
?Build Array?Merge Signals???????????????????? ???
????????????????????????,?????????????,???x??y????
?????????
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3. ???? ????(Data Acquisition,????DAQ)????????????
????,?????????????????
?????????????????????DAQ??????????????,????????DA
Q??????????????????(????)?????????????????????????
??
??????????????????????????????????????,??,????????
?,??????????????????????????????,LabVIEW?Functions
gtgtAll FunctionsgtgtNI MeasurementsgtgtData
Acquisition?????????????VI? DAQ??????????????(A/D
)??????(D/A)???I/O(Digital I/O)???(Timer)/??(Count
er)???????DAQ???????????? LabVIEW???????,?????????
????????????????????????????????????????????? NI??
Windows??LabVIEW????????????????????Measurement
Automation Explorer(???MAX)?MAX??????NI????????,??
???????????????????????????????????????
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LabVIEW 7.0???????(DAQ)VI???????????Traditional
NI-DAQ?????NI-DAQmx? NI-DAQmx???????VI???VI,?????
??DAQ???????VI???FunctionsgtgtAll FunctionsgtgtNI
MeasurementsgtgtNI-DAQmx?????????NI-DAQmx?????NI-DAQ
??????????DAQ??(DAQ Assistant)? DAQ
Assistant????????????????????????DAQ
Assistant,????????,???????,????????????????/??????
??/???? DAQ Assistant?FunctionsgtgtInput?Functionsgtgt
Output??FunctionsgtgtAll Functions gtgtNI
MeasurementsgtgtDAQmx-Data Acquisition????????? ?DAQ
Assistant??????????????Create
New???,??????????????DAQ Assistant??????VI?????
(1)??????VI (2)??????DAQ Assistant (3)??DAQ
Assistant????????????DAQmx???? (4)??OK??????? (5
)??????,??NI-DAQmx Task Name???????????? (6)??????
????VI?
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4. ???? ??????,????(VI)?????????????????????????
???????????????????????????????????????????????
?????????FunctionsgtgtAll FunctionsgtgtAnalyzegtgtSignal
Processing????,?????????VI?,??????????????,??????
????????????????? (1)Time Domain(????)? (2)Freque
ncy Domain(????)? (3)Filters(?????)????IIR?FIR???
?????? (4)Windows(???)???????????? ?????????? ???
???????????,?????????????????????????????????????
??????????????????????,???????????????????,???????
??????????????LabVIEW???????????????,????All
FunctionsgtgtAnalyzegtgt Signal ProcessinggtgtFilters??
?????????????????????????,???????????????????????
??????????????????????????(IIR)??????????(FIR)?La
bVIEW?,IIR?????Butterworth?Chebyshev?Inverse
Chebyshev?Elliptic?Bessel?FIR???????FIR???Window
ed???Parks-McClellan????????(?Equiripple
Low-pass?Equiripple Bandstop?)?
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5. PCI-6024E?? ????????PCI-6024E???????CB-68LP????
?????,???????? PCI-6024E??????? (1)16?12?????????
(2)2?12????????? (3)2?24??20MHz???/??? (4)8???
I/O? (5)??????? (6)?????????,???LabVIEW????????
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1. ?LabVIEW???????????VI? ????LabVIEW????????????
?????????????????????????2.2(?????2.2KO???)???
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2. ??XY Graph??????????VI?
??X?Y????????????????(???????),????????????
1)??????????,????????,?????????45????,????????90??
??,???????? 2)??X?Y???????,????????????????,
???????????? 3)??X?Y???????,X?Y??????????????
?????
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3.??DAQ Assistant??????(?????????)
??1)??????DAQ?PCI-6024E???????VI??VI??0.5V?????0V
?9.5V????????(2)??PCI-6024E????????????
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1????????????????????? 2?????????LabVIEW??G???????
? 3????VI???????????????? 4?VI?????????????????Lab
VIEW??????????????VI???????????
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