Transcript Document

Chapter 8
Data Acquisition
DAQ System Components
> Sensor/Transducer
> Signal Conditioning Unit
> DAQ PCI Interface Card
> Computer
> Software Analyze & Display
Signal Information
> State
> Rate
> Level
> Shape
> Frequency
Signal Types
Digital:
> On-Off
> Pulse Train
Analog:
> DC
> Time-Domain
> Frequency-Domain
Signal Conditioning Circuits
> Linearization
> Excitation
> Isolation
> Filtering
> Amplification
Signal Source Configuration
> Referenced Singled-Ended RSE
> Non-referenced Singled-Ended NRSE
> Differential
Analog I/O Conversion Issues
> Resolution
> Range
> Signal Limit Settings
> Sampling Rate
Code Width
VCW = Range
Resolution
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