Practical Data Acquisition using Personal Computers and Standalone Systems

WORKSHOP OBJECTIVES

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

WHAT IS INCLUDED?

  • Receive a certificate of attendance in support of your continuing professional commitment
  • All workshops include the associated hardcopy technical manual
  • Printed workshop handouts
  • Lunch and refreshments
  • Interact and network with workshop attendees and experienced instructors
  • Practical, industry driven content to assist you in your continuing professional development (CPD)
  • Attendees automatically become IDC subscribers and receive exclusive deals and technical content every month

WHO SHOULD ATTEND?

  • DCS personnel
  • Design engineers
  • Electrical engineers
  • Instrumentation and control system engineers
  • Maintenance engineers
  • Process control engineers
  • Project engineers
  • Systems engineers
  • Technicians

CONTENT SUMMARY

INTRODUCTION

  • What is data acquisition and control?
  • Fundamental principles of data acquisition and control systems
  • Typical PC based applications

ANALOG AND DIGITAL SIGNALS

  • Classifications of signals
  • Sensors and transducers
  • Temperature transducers (RTD/Thermocouples/Silicon IC’S)
  • Strain gauges
  • Single ended and differential systems
  • Noise and interference
  • Sources and types of noise
  • Field wiring and noise considerations
  • Ground loops
  • Common mode voltages and CMRR
  • Earthing and isolation techniques to reduce noise
  • Cable shielding and earthing

SIGNAL CONDITIONING

  • Classification of signal conditioning hardware
  • Distributed I/O (two wire transmitters/digital transmitters)
  • Signal conditioning functions
  • Instrumentation amplifiers
  • Filters for signals (low pass/band pass/high pass/butterworth)
  • Isolation and overvoltage protection

LAB VIEW SOFTWARE PRACTICAL

PLUG IN DATA ACQUISITION BOARDS

  • Advantages of plug in systems
  • Typical analog to digital (A/D) boards
  • Analog input circuitry (multiplexers/amplifiers/sample and hold)
  • Analog to digital board specifications
  • Single ended vs differential signals
  • Resolution/dynamic range/accuracy of A/D boards
  • Sampling rate and Nyquist theorem
  • Preventing aliasing
  • Sampling techniques (channel scanning/simultaneous sampling/block mode operations)
  • Speed versus throughput
  • Typical digital to analog (D/A) boards
  • Digital I/O boards
  • Interfacing digital I/O
  • Electromechanical vs solid state relays
  • Practical considerations in the use of digital I/O boards
  • Counter timer I/O boards

RS-232 / RS-485 SERIAL DATA COMMUNICATIONS STANDARDS

  • RS-232 hardware interface
  • RS-485 hardware interface
  • Multipoint systems
  • Serial interface converters
  • Communication protocols
  • Error detection
  • Troubleshooting serial data communications

DISTRIBUTED AND STANDALONE CONTROLLERS / DATA LOGGERS

  • Choice between external and internal systems
  • Hardware structure of standalone devices
  • Software and firmware design
  • Practical applications of data loggers
  • How to minimise communication bottlenecks
  • Practical applications of data loggers
  • How to minimise communication bottlenecks

CITECT PRACTICAL

IEEE-488 SYSTEMS

  • IEEE-488.1 / IEEE-488.2 and SCPI specifications
  • Hardware configuration
  • Device types (controllers/listeners/talkers)
  • Basic communications
  • Advanced communications
  • Multiple device communications
  • Problem diagnosis
  • System specification

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