The Multi-Loop Armature of a DC Motor
By Terry Bartelt
In this animated object, learners study the drawbacks of a single-loop armature of a DC motor and the advantages of a multi-loop armature.
Feedback System Application
In this animated and interactive object, learners examine a heat exchanger as an example of an automated closed-loop system.
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.
SLC-500 Data File Elements
Learners examine the elements of a data file memory of an Allen-Bradley SLC-500 programmable controller. A quiz completes the activity.
Learners study how a DC motor generates counterelectromotive force. A short quiz completes the object.
Selector Switch Labeling
In this animated object, learners examine the method of interpreting the truth tables for two-position and three-position selector switches on ladder logic circuit diagrams.
Acceleration and Deceleration Adjustments
In this animated activity, learners examine the circuitry in a DC variable speed drive that causes the motor to accelerate or decelerate at slow rates. This learning object has audio content.
Motor Control Circuits
Learners examine an electric motor control circuit that uses a motor starter module. This activity has audio content.
The Current Limiting Circuit
Learners examine the circuitry in a DC variable speed drive that protects the rectifier diodes and motor windings from being damaged due to excessive current.
High-Low Speed Drive Adjustments
Learners examine the circuitry in a DC variable speed drive that prevents the motor from running at 0 rpm or at maximum speed under certain conditions.
PLC Timer Instructions
Learners examine the animated Timer-On Delay instruction and the Timer-Off Delay instruction of a PLC timer. A brief quiz completes the activity.
Equivalent Gates/Ladder Logic Circuits
By Terry Bartelt, Terry Fleischman
Learners will identify ladder logic diagrams and the logic functions they perform.
The Kelvin Temperature Scale
By Terry Bartelt, Pravina Shah
In this animated object, learners examine why and when the Kelvin scale is used. A brief quiz completes the activity.
Learners examine an animated motion-controlled robotic arm and observe the operation of a PID (Proportional-Integral-Derivative) control that makes movements quickly without overshooting or having a steady-state error. This activity has audio content.
Converting Rotational Velocity to Linear Velocity
By James Bourassa, John Rosz
In this animated object, students view an example of how to convert rotational velocity to linear velocity. They then work practice problems.
Learners apply lever ratios to calculate the mechanical advantage in basic mechanisms.
Pilot-Operated, Pressure-Reducing Valve Malfunctions
By Terry Bartelt, Stephen Schneider
In this animated activity, users examine the causes of malfunctions in a hydraulic pressure-reducing valve and the problems that result. A short quiz completes the learning object.
Manual Control of a Reciprocation Circuit
This animated lesson shows how pushing a start or stop button on a ladder circuit causes the cylinder of a hydraulic circuit to extend and retract.
In this animated and interactive object, learners examine the interaction between a conductor that represents a motor armature and a magnetic field that represents a motor’s main field. This interaction causes the shaft to turn.
AB SLC-500 Memory Structure
Learners examine the functions of the three types of memory used by an Allen-Bradley SLC-500 programmable logic controller: the Executive ROM, Scratch Pad, and Processor File.
Internal Circuits of an Inductive Proximity Sensor
In this animated object, learners examine the operation of various circuits that are internal to the inductive proximity sensor.
In this animated object, learners examine how a Hall-effect sensor operates. A short quiz completes the activity.
Optical Encoder Classifications
In this animated object, learners examine the two types of optical encoders used in automation applications: incremental and absolute. A brief quiz completes the activity.
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.
PLC Sinking Input Modules
In this animated object, learners examine how to wire field devices to a PLC sinking input module.