Time-Delay Relays
By Terry Bartelt
This animated lesson shows the operation of timer-on and timer-off delay relays used in ladder circuit operate.
Thru-Beam Photoelectric Sensors
This animated lesson shows the operation and characteristics of thru-beam optical sensors.
Three-Wire Sensors
By Terry Bartelt, Terry Fleischman
The learner will understand how to correctly wire a three-wire sinking and sourcing sensor.
Three-Phase Delta Transformer Calculations
By James Bourassa
Using a memory shortcut for calculations, the learner determines line and phase values of current in a three-phase AC configuration. Practice problems complete the activity.
Three Phase Wye Transformer Calculations
In this interactive object, learners follow steps to find phase voltages in a partial three-phase power distribution circuit.
Thermocouples (Screencast)
In this animated object, learners observe the operation of a J thermocouple with a cold junction. A table is used to convert the voltage it produces to a corresponding temperature. A brief quiz completes the activity.
Thermal Flowmeters
In this animated object, learners examine the operation of a thermal flowmeter used in process control applications. A brief quiz completes the activity.
The Work Performed in a Hydraulic System
In this interactive object, learners examine how work is performed in foot-pounds by a hydraulic system that uses a pump and cylinder. A brief quiz completes the activity.
The Vortex Flowmeter
Learners view an animation showing the operation of a Vortex flowmeter that is used to measure flow in a process control system.
The Variable Reluctance Stepper Motor (Screencast)
Learners view colorful animations showing the operation of a VR stepper motor.
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.
The Timing Functions of Optical Sensors
In this animated object, learners examine the switch settings for the on-delay, off-delay, and one-shot timing functions of an optical sensor. A brief quiz completes the activity.
The Timer 3-Word Element
Learners study the descriptions of the three words in a PLC timer: EN, DN, and TT. They then test their knowledge in a brief quiz.
The Three-Phase Motor Stator Field
In this animated activity, learners study how stator poles create a rotating field in a three-phase AC motor as a three-phase AC voltage is applied.
The Three-Phase AC Generator
By Terry Fleischman
In this 3D animated object, learners examine the way in which a three-phase generator produces three sine waves with three armature coils. A quiz completes the activity.
The Strain Wave Gear Principle
By cebery
The learner will understand the inner workings of the strain wave gear principle.
The Spring-and-Diaphragm Actuator
Learners study an animation of a spring-and diaphragm actuator controlling the opening of a flow valve.
The Six-Axis Robot
The learner will view videos showing the movements of each axis of the six-axis robot.
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.
The Reynolds Number
In this animated learning object, users study the factors that affect a pipe’s fluid flow and how those factors pertain to a numerical value (the Reynolds Number).
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 Purge Level Measurement Method
In this animated object, learners examine how the purge pressure system is used to measure levels of material. A brief quiz completes the activity.
The Processor Scan Cycle (Screencast)
Learners examine the three steps of a processor scan cycle.
The PLC Examine-On Instruction
Learners examine an animated view of the operation and programming requirements of a PLC Examine-On instruction. A brief quiz completes the activity.
The PLC Examine-Off Instruction
In this animated object, learners examine the operation and programming requirements of a PLC Examine-Off instruction. A brief quiz completes the activity.