National Instruments Module SCXI-1125 User Manual

Page 7

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Contents

© National Instruments Corporation

vii

SCXI-1125 User Manual

Configuring Channel Properties........................................................5-8
Acquiring, Analyzing, and Presenting ..............................................5-9
Completing the Application ..............................................................5-9

Developing an Application Using LabVIEW..................................................5-9

Using a DAQmx Channel Property Node in LabVIEW ...................5-11

Specifying Channel Strings in NI-DAQmx.....................................................5-12

Text Based ADEs..............................................................................5-14

Measurement Studio (Visual Basic, .NET, and C#)........................................5-14

Programmable NI-DAQmx Properties..............................................5-14

Developing Your Application in Traditional NI-DAQ (Legacy) ..................................5-15

Traditional NI-DAQ (Legacy) in LabVIEW ...................................................5-16

Typical Program Flow ......................................................................5-17

Configure the SCXI-1125 Settings Using Traditional NI-DAQ

(Legacy) in LabVIEW ..................................................................................5-18

Configure, Start Acquisition, and Take Readings Using Traditional

NI-DAQ (Legacy) in LabVIEW...................................................................5-19

Convert Scaling Using Traditional NI-DAQ (Legacy) in LabVIEW .............5-20
Analyze and Display Using Traditional NI-DAQ (Legacy) in LabVIEW......5-20
Traditional NI-DAQ (Legacy) in Text-Based ADEs ......................................5-21
Configuring System Settings Using Traditional NI-DAQ (Legacy) C API....5-21
Configure Module Settings Using Traditional NI-DAQ (Legacy) C API ......5-22
Perform Offset Null Compensation

Using Traditional NI-DAQ (Legacy) C API ................................................5-23

Perform Acquisition Using Traditional NI-DAQ (Legacy) C API .................5-23
Perform Scaling, Analysis, and Display..........................................................5-24
Using Software for Multiplexed Scanning ......................................................5-24

LabVIEW and the SCXI Channel String ..........................................5-25
LabVIEW and the Virtual Channel String ........................................5-26

Performing a Multiplexed Scan.......................................................................5-27

C and Low-Level DAQ Functions ....................................................5-28

Using Software for Parallel Scanning .............................................................5-28

LabVIEW and Parallel Mode............................................................5-28
C and Parallel Mode..........................................................................5-29

Other Application Documentation and Material ...........................................................5-29

Traditional NI-DAQ (Legacy) CVI Examples ................................................5-29
Traditional NI-DAQ (Legacy) Measurement Studio Examples......................5-29

Calibration .....................................................................................................................5-30

Calibration Procedures ....................................................................................5-30

One-Point Offset Calibration ............................................................5-31
Two-Point Gain and Offset Calibration ............................................5-32

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