Industrial Electrical Field Devices and Troubleshooting

Course Description

IEIFD is a 24 hour workshop that builds on the principles taught in Fundamentals of Industrial Electricity. This workshop begins with a review of Safety and Ohms Law, and the basics of industrial wiring. Participants then learn the principles of industrial control devices including switches, output devices, electronic devices, meters, and transducers. We will focus on how these devices get the process information to the PLC, and finally, the participants will analyze their schematics to determine basic troubleshooting strategies.

Topical Outline

Electrical Safety

  • Hazards of Electricity
  • Human/Electrical consequences
  • Single-phase and three-phase electricity
  • Lock-Out-Tag-Out
  • Live Dead Live (New OSHA requirements)

Basic Electrical/Industrial Electrical Review

  • Electrical Properties
  • Ohm’s Law
  • The Wheel of Power
  • Motor starting circuits and schematics
  • Practical Exercises using motor starters

Industrial Controls

  • Manually operated switch: pushbuttons, selector, foot, drum, toggle, and thumbwheel
  • Value-sensing switches: limit, cam, temperature, pressure/vacuum, float, and flow
  • Output devices: light indicators, control relays, contactors, motor starters, and solenoids
  • Electronic Devices: solid state relays, proximity switches, and photoelectric switches.
  • Transducers: thermocouples, RTD’s, thermistors, and integrated circuit transducers.
  • Flow meters
  • Position transducers: linear potentiometers, LVDT’s, and RVDT’s
  • Maintaining and testing industrial controls
  • Practical Exercises using industrial controls

Advanced Electrical Schematics

  • Input and Output Devices
  • Print Numbering Standards
  • Troubleshooting using Schematics

Course Requirements

Company must provide detailed company specific or vendor schematics for training. Participants are also asked to bring their own Multimeters to use in accompanying exercises. Any plant specific devices that are of particular concern should be provided to be used as training aids and for discussion with technicians.