At the end of this workshop participants will be able to: Install and configure a data acquisition system Choose and configure the correct software Apply state of the art approaches in design of data acquisition systems Configure data communications systems Avoid the common pitfalls of designing a data acquisition system WHO SHOULD ATTEND? DCS personnel Design engineers Electrical engineers Instrumentation and control system engineers Maintenance engineers Process control engineers Project engineers Systems engineers Technicians MORE INFORMATION: http://www.idc-online.com/content/practical-data-acquisition-using-personal-computers-and-standalone-systems-2

1. Practical Data Acquisition
using Personal Computers
and Standalone Systems
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2. Objectives
• To Review:
– PC-based data acquisition.
– Examine installation of PC-based data acquisition
systems.
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3. Fundamentals of Data Acquisition
• Sensors and Transducers
• Field Wiring
• Signal Conditioning
• Data Acquisition Hardware
• PC (Operating System)
• Data Acquisition Software
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4. Transducers and Sensors
• Electrical Signals are acquired using different
devices:
– Strain Gauges
– RTD’s
– Thermocouples
– Thermistors
– Flow Meters
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5. Field & Communications Cabling
• Physical connection from transducers and sensors to signal
conditioning hardware/data acquisition hardware.
• Susceptible to noise (Good earthing & shielding vital).
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6. PC Based Data Acquisition
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7. Signal Conditioning
• Principle Tasks here:
– Amplification
– Filtering
– Linearisation
– Isolation
– Excitation
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8. Data Acquisition Hardware
• Input, processing and
conversion to digital
format using analog to
digital converters.
• Input of digital signals.
• Digital signals in PC to
analog outputs.
• Output of digital signals.
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9. Data Acquisition Software
• Three options here:
– Program registers
directly.
– Utilize low level driver
software
– Off the shelf
application software
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10. Host Computer
• Various buses
– ISA
– EISA
– PCI
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11. Some typical configurations:
• Computer Plug-in
• Distributed I/O
• Stand-alone IEEE 488
• Data Logger
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12. Computer Plug-in
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13. Distributed I/O
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14. Memory cards and standalone
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15. Direct Connection to Logger
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16. Remote Connection to Logger
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17. Distributed Logger Network
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18. Typical IEEE 488
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19. PC Based Data Acquisition
• High Speed
• Low cost
• Not as reliable as loggers
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20. DO YOU WANT TO KNOW MORE?
If you are interested in further training or information,
please visit:
http://idc-online.com/slideshare
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