Automatic PLC Counting
By Terry Bartelt, Tom Yapp
Learners study an animated PLC counting operation and examine how the count is automatically reset.
Ladder Circuit Labeling
By Terry Bartelt
Learners examine the labeling scheme used in ladder logic diagrams to identify components, wires, rungs, and rails. This activity includes self-check questions.
The Closed-Loop Velocity Servo System
In this animated object, learners examine the operation of a closed-loop system that maintains the speed of a conveyer belt as heavy boxes are placed or removed.
Hall-Effect Sensor Application
Learners view practical examples of how a Hall-effect sensor is used.
Learners observe how to cascade PLC counters to extend the maximum count of one counter.
The Hydraulic Cylinder
In this animated and interactive object, learners examine the basic parts and the linear movement of a hydraulic cylinder. A brief quiz completes the activity.
Ladder Logic Schematic Symbol Flashcards
By John Rosz, Terry Fleischman
This interactive object is designed to help learners memorize the schematic symbols used in ladder logic diagrams. Learners quiz themselves using electronic flashcards.
By Barbara Anderegg
Learners review surface finish basics and read how to calculate the roughness average.
Direct-Operated, Pressure-Reducing Valves
By Terry Bartelt, Doyle Davis
In this animated activity, learners examine how an adjustable pressure-reducing valve can produce a pressure that is lower at its output than at its input.
PLC Software Circuit Capabilities
In this animated object, learners examine how to use a programmable logic controller as an alternative to hardwiring a ladder logic circuit.
Integral Contol Mode Application
In this animated object, learners examine the operation of a robot using the integral control mode to overcome a steady state.
Proportional Control Amplifier
Learners examine the operation of a proportional control amplifier and the two ways that it is programmed using proportional gain or proportional band. A brief quiz completes the activity.
Hydraulic Color Code Circuit Example
In this animated and interactive object, learners use a color code to understand the operations of a hydraulic circuit. A brief quiz completes the activity.
Digital Position Control
In this animated object, learners examine a closed-loop feedback system that uses digital circuits to control the position of a gear rack.
By Terry Bartelt, Pat Jensen
Learners examine devices that are used to protect a motor from damage, such as fuses, overload heaters, and thermal protectors. A quiz completes the activity.
The Relationship of Data File Addresses to I/O Modules
In this animated learning object, students examine the addresses of PLC elements and how they pertain to I/O connections and internal memory files.
The Dynamic Response of a Closed-Loop System
Learners examine the factors that contribute to the delays in the response time throughout a closed-loop system.
Using the Microstepping Technique for Stepper Motors
Learners view animations showing how electrical signals are applied to the coils of a stepper motor to perform microstepping. A short quiz completes the activity.
Endothermic vs. Exothermic Reactions
In this animated object, learners examine how the heating or cooling steps in a manufacturing process work to control a chemical reaction.
Hydraulic Pump Action
By Terry Bartelt, Stephen Schneider
Learners examine how fluid enters the inlet of a hydraulic pump because of atmospheric pressure and how pressure is created at the pump’s outlet. This object includes audio.
The Shunt Motor Open Field
In this animated object, learners observe the changes inside the DC shunt motor that could cause the motor to break apart when its field coil opens. A short quiz completes the activity.
Hydraulic Mechanical Force
This animated lesson shows how to calculate the amount of force generated by hydraulic cylinders.
The Transmission of Force in a Hydraulic System
In this animated object, students view a depiction of how force is transmitted by hydraulic cylinders and confined fluid.
Learners examine the electronic components of a digital thermometer.
Data Compare Instructions
In this animated object, learners examine three data compare instructions used by programmable logic controllers (PLCs). A practical application to show how these instructions are used in an industrial setting is provided.