TECH 3821
TECH 3821
Industrial Electronics
Fall 2021

Instructor Info

Daniel Kohn
Office ET218
Phone: 678-4515
Office Hours

Course Info

Course Policies
Covid Statement
Formal Report Guide
GradeWatch Access
Submit Assignments
Assignment Feedback


All About Circuits Vol III - Semiconductors
Lessons In Industrial Instrumentation (for 2nd half of course) (Tony R. Kuphaldt) / CC BY 4.0

Course Outline

Aug 23Welcome
Course Policies
Aug 25 Intro to Industrial Control
Switches, Relays, Motor Starters

(no lab today)

Poles and Throws, Open and Closed

Switches 101

Honeywell Basic, Toggle, and Rocker Switches
Class Notes (Intro To Control)

Class Notes (Switches and Relays)

Aug 30 Prox Switches ABB Limit Switchs

Banner (Prox and Photo)
Class Notes (Prox Switch)

Class Notes (Prox Switch Applications)
Sep 1Transistors, Relay Drivers, Back EMF, Opto-Isolators, FETs, H-Bridge, PWM, IGBT's Transistor as a Switch

MOSFET as a Switch

H-Bridge intro

H-bridge in depth

H-Bridge Schematic

Pulse Width Modulation

Discrete IGBTs (Insulated Gate Bipolar Transistors)


IGBT or MOSFET: Choose Wisely

Class Notes
Class Notes

Lab #1 - Relay Ladder Logic (Start/Stop Motor Starter). Due end of lab.
Sep 6No Class (Labor Day)   
Sep 8Op Amps, ADC Op Amps Reference

Instrumentation Amps

PID Control Circuit

Class Notes
Lab #2 - Relay Driver
Sep 13A2D / D2A Class Notes

Successive Aprox Spreadsheet
Sep 15No Class or lab today   
Sep 20A2D Calculations Class Notes 
Sep 22A2D Calculations (Cont)

Current Loops and Shielded Cable
4..20mA Loops

Shielded Cable
Class Notes Lab #3 - Lab and Excel Spreadsheet due at start of next weeks lab.

HW #1 - Due start of next class.
Sep 27Diodes, SRC's, Diacs and TriacsDiode Review
Rectifier Review
SCR's, Diacs and Triacs
Sep 29Test #1 (Take Home)

(up to and including SCR's Diacs and Triacs and Labs 1 and 2.)

  Test #1 - Due in one week.
Oct 4Temperature Measurement

Pressure Measurement
Chp 21

Chp 19
Class Notes

Class Notes
Oct 6Level Measurment

Flow Measurement
Chp 20

Chp 22
Class Notes

Class Notes
[No Lab This week]
Oct 11Fall Break    
Oct 13Analytical Measurments
Speed Measurement
Possition Measurement
Actuators (Valves)
Chp 23
Chp 24
Chp 25
Chp 27
Class Notes
Class Notes
Class Notes
Lab #7 (2 week lab).

Honeywell 24PCDFB6G pressure sensor
Oct 18Actuators (Motors)

Pneumatics and Hydraulics
 Class Notes

Class Notes
Pneumatics Ref
Oct 20Industrial Control Class Notes

ISA Control Loops
Oct 25Test #2 - Take home test on Transducers, Calibration, Labs.  Test #2 - Part A Online. Make sure you click on the link in the last question before clicking on "Grade & Submit" to see grade and submit to instructor via email.

Part B - Open the downloaded file and follow instructions in Excel File. Submit via online submission under Test2b.

Please note - the test link is NOT active until class time!
Oct 27Work on Lab #7   
Nov 1Hydralics Demo / Lab
(Meet in ET 112)
  Lab #8 - Hydraulics
Nov 3Control Systems Class NotesLab #9a - (part 1 of 3)
Nov 8Note: Class will begin 20 min late due to ABET.

PID Control (cont)
Chp 29PID Math Demystified
PID Control - a brief introduction
PID for Dummies
Lab #9b (part 2 of 3)
Nov 10PID Control (cont)    
Nov 15Control Tuning PID Tuning 
Nov 17Test #3 - Take home / online test covering: Actuators, Process Diagrams, PID.

Assessment Test - General Questions covering the semester.
  Lab #9c (part 3 of 3)

Test #3 Part 1

Test #3 Part 2
Nov 22Work on Lab #9   
Nov 24Thanksgiving Break   
Nov 29Work on Lab #9   
By AppointmentExam  Schedule appointment with Prof Kohn for Individual Demo / Q&A via email. Exam must be on or before

Failure to Demo and Participate in a Q&A will result in an 'F' for BOTH the Final Project and Exam.

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