Important Information: Texas SB 11 (Campus Concealed Carry) does not go into effect for community colleges until August 1, 2017.

Sign In
Skip Navigation LinksBrazosport College > Center for Business & Industry Training > Instrument Troubleshooting (Interlock & Control Circuitry)
Instrument Troubleshooting (Interlock & Control Circuitry)
Instrumentation technicians or operators. Process or control system engineers may also benefit from this course.

This course is flexible enough to meet individual troubleshooting skills from entry level to the most experienced technician. The workshop is designed to teach the techniques and methodology of troubleshooting circuitry used to interlock equipment or control field devices. Emphasis on voltage checks, neutrals, grounds, relay logic, PLC logic, DCS logic, print reading skills and safe use of test equipment assures immediate benefits. The workshop is 90% hands-on activities solving simple to complex problems through the use of IEC Simulations' schematics, interlock Simulator and test equipment. Individual skill level assessments are documented and average performance improvement in troubleshooting efficiency is 87%. May be used by client for PSM Compliance issues involving 3-year frequency for proof of knowledge, skills and abilities.

Objectives & Outline

  • Troubleshoot circuitry more efficiently
  • Implement techniques into troubleshooting relay logic, PLC logic and DCS logic
  • Understand differences in neutrals and grounds
  • Read schematics
  • Use test equipment in safe manner
  • Understand criticality of accurate prints
  • Develop index of all prints at participants' site
  • Troubleshoot with improved self-confidence
Employer will:
  • Reduce downtime
  • See improved workforce confidence
  • Enjoy safer workplace
Topical Outline:
  • Introduction and objectives
  • Safety as applied to Hot, Neutral and Ground
  • Relay logic, PLC logic and DCS logic comparisons
  • Interlock and Control Circuitry
  • Print reading, print accuracy, print indexing system
  • Introduction to interlock simulator
  • Apply group troubleshooting techniques to simple and complex problems
  • Apply individual troubleshooting techniques to simple and complex problems
  • Individual Skill Level Assessment Day 1 and Day 2

Prerequisites ​None
Course ​Length 16 hours (2 days)

©2015 Brazosport College | 500 College Drive| Lake Jackson, TX 77566 | (979) 230-3000

Webmail | ASTRA | BC Alert | F.A.S. | Institutional Profile | Equal Opportunity | Login

A lack of English language skills will not be a barrier to admission to and participation in career and technical education programs. Brazosport College shall not discriminate on the basis of race, creed, color, national origin, citizenship status, age, disability, pregnancy, religion, gender, gender identity, genetic information, marital status, veteran status or any other protected class in accordance with applicable federal and state laws. The following person has been designated to handle inquiries regarding the non-discrimination policies: Vice President of Human Resources, 500 College Drive, Lake Jackson, TX, 77566; 979-230-3459;