UTPA STEM/CBI Courses/CAM/PLC Lab 02

Course Title: CAM

Lecture Topic: PLC Programming # 2

Instructor: Kevin Lee

Institution: UTPA/ MANE

Backwards Design
Course Objectives


 * Primary Objectives- By the next class period students will be able to:
 * Understand how to use timers in a PLC.


 * Sub Objectives- The objectives will require that students be able to:
 * Understand PLC structure
 * Understand Ladder Logic
 * Identify necessary components
 * Wiring LEDs.
 * Understand current limiter


 * Difficulties- Students may have difficulty:
 * Understanding PLC architecture
 * Writing a ladder logic
 * Wiring LEDs


 * Real-World Contexts- There are many ways that students can use this material in the real-world, such as:
 * Timed on/off control
 * Traffic light control
 * Radar rotating control
 * Solar cell aim to the Sun.

Model of Knowledge


 * Concept Map
 * Know how to write a ladder logic?
 * Identify flow chart
 * Identify input
 * Understand how Timers work?
 * Identify different types of timers
 * Know the differences between PLC manufacturers
 * Understand electric wiring


 * Content Priorities
 * Enduring Understanding
 * How to program a PLC
 * On/off control using timers
 * LED control using different timers
 * Combining LED and Motor control


 * Important to Do and Know
 * Become familiar programming timers and wiring for LEDs and motor.
 * Worth Being Familiar with
 * Relay
 * DC Motor
 * LED
 * Current limiting circuit
 * Basic wiring skills

Assessment of Learning


 * Formative Assessment
 * In Class (groups)
 * Writing simple PLC program that turns on/off LEDs
 * Make circuits of above program
 * Combining motor and LED control
 * Homework (individual)
 * How other manufacturers PLC's timer function works?
 * How many different types of timers exist?
 * Can you program a cascade timer?
 * Understanding time base of timers.
 * Summative Assessment
 * Demonstrate PLC programming
 * Demonstrate your own circuit

Legacy Cycle
OBJECTIVE

By the next class period, students will be able to: The objectives will require that students be able to: THE CHALLENGE
 * Write on/off control using timer
 * Demonstrate how to use various types of timers
 * Explain what a current limiter does
 * write PLC program using timers

Can you control solar cell tracking device to maximize electricity generation?

GENERATE IDEAS

Combining timer and motion control

MULTIPLE PERSPECTIVES

Implementing multiple controls

RESEARCH & REVISE

Can you track the sun with timer?

TEST YOUR METTLE

Was the timer effective in tracking the sun? GO PUBLIC

Post your PLC program in YouTube

Pre-Lesson Quiz

 * 1) How many types of timers are available for AB Micrologix 1000 PLC?
 * 2) Draw a ladder diagram for timer circuit.
 * 3) Draw a ladder diagram using 2 or more timers.
 * 4) Write examples of control that use a timer.

Test Your Mettle Quiz

 * 1) What is time base?
 * 2) What is maximum time you can have using one timer with AB Micrologix 1000 PLC?
 * 3) How many timers are available?
 * 4) What is/are the difference(s) between TON and TOFF?
 * 5) What is a file system number of timers?

129.113.150.41 21:26, 19 January 2010 (UTC)This lesson seems interesting. I'd like to see the remainer of this challenge.