TECH 3821
TECH 3821
Industrial Electronics
Fall 2023

Instructor Info

Daniel Kohn
Office ET218
Phone: 678-4515
Office Hours

Course Info

Course Policies
GradeWatch Access
Submit Assignments


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 28Welcome
Course Policies
Aug 30Intro to Industrial Control
(no lab today)
 Class Notes (Intro To Control) 
Sep 4Labor Day (no class)    
Sep 6 Switches, Relays, Motor Starters
Prox Switches
(no lab today)

Switches 101

Honeywell Basic, Toggle, and Rocker Switches

ABB Limit Switchs

Banner (Prox and Photo)
Class Notes (Switches and Relays)

Class Notes (Prox Switch)

Class Notes (Prox Switch Applications)
Sep 11 Switches, Relays, Motor Starters
Prox Switches
Sep 13Transistors, 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

Snubber Diode Video

Class Notes
Class Notes

Lab #1 - Relay Ladder Logic (Start/Stop Motor Starter). Due end of lab.
Sep 18Op Amps Op Amps Reference

Instrumentation Amps

PID Control Circuit

Class Notes
Sep 20A2D / D2A Class Notes

Successive Aprox Spreadsheet
Lab #2 - Relay Driver
Sep 25No Class (Family Emergency)   
Sep 27A2D Calculations Class Notes

Class Notes
Lab #3 - Lab and Excel Spreadsheet due at start of next weeks lab.
Oct 2A2D Calculations (cont)

Current Loops and Shielded Cable
4..20mA Loops

Shielded Cable
 HW #1 - Due start of class Oct 9
Oct 4No Class/Lab (Family Emergency)   
Oct 9Diodes, SRC's, Diacs and TriacsDiode Review
Rectifier Review
SCR's, Diacs and Triacs
Oct 11Test #1 (Take Home)

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

  Test #1 - Due Friday Oct 20 by 2pm.

Lab #4 - Calibration Lab. Due Oct 25 at start of lab.
Oct 16Fall Break    
Oct 18Temperature MeasurementChp 21Class Notes 
Oct 23Pressure MeasurementChp 19Class Notes 
Oct 25Level MeasurmentChp 20Class NotesLab #5 (2 week lab).

Honeywell 24PCDFB6G pressure sensor
Oct 30Flow Measurement
Analytical Measurments
Speed Measurement
Possition Measurement
Chp 22
Chp 23
Chp 24
Chp 25
Class Notes
Class Notes
Class Notes
Nov 1Actuators (Valves)Chp 27Class Notes 
Nov 6Pneumatics and Hydraulics Class Notes
Pneumatics Ref
Nov 8Control Systems

Test #2 - Take home test on Transducers, Calibration, Labs.

Hydraulics Demo / Lab
(Meet in ET 112 - wear old cloths)
 Class NotesLab #6 - Hydraulics

Test #2 - Part A Online. Use your last name (first letter of last name in caps) as your user name and the last 4 digits of your U# as your password. 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.

Both parts due in one week at start of class.
Nov 13Industrial Control Class Notes

ISA Control Loops
Nov 15PID Control (cont)  Lab #7a - (part 1 of 3)
Nov 15PID (Cont) PID Controller Explained (RealPars)

PID Math Demystified (Low Volume)

PID Control - a brief introduction

PID for Dummies
Nov 20No Class (Instrutor ill)    
Nov 22No Class (Thanksgiving Break)   
Nov 27PID Control (cont)

Test #3 - Take home / online test covering: Actuators, Process Diagrams, General PID Questions.
  Lab #7b - (part 2 of 3)

Test #3

Due in one week at start of class.
Nov 29
(meet in lab)
Control Tuning PID TuningLab #7c (part 3 of 3). Please note....this lab is subject to change (ask before starting lab)
Dec 4
(meet in lab)
Work on Lab  
Dec 6
(meet in lab)
Work on Lab  
Dec 8 - 14Final   

Requested Links

PLC Fiddle (online PLC Ladder Logic)
Lab #1 instructions using PLC Fiddle (covid year)