How to Reset a Counter
By Terry Bartelt, Tom Yapp
In this animated object, learners examine the proper way to reset a counter instruction in a programmable controller.
Capacitive Probe Sensors
By Terry Bartelt
Learners study the operation of capacitive probe sensors used to measure levels in a tank.
Excess Gain of Optical Sensors
In this animated activity, learners examine how to change the gain of an optical sensor to overcome environmental conditions and distance.
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.
In this animated object, learners examine the signals produced by sourcing and sinking two-wire sensors. A brief quiz completes the activity.
RPM of AC Motors
By Terry Bartelt, Terry Fleischman
Learners study factors that affect the synchronous speed of an AC motor: the applied AC frequency and the number of stator poles.
Voltage Regulation of a Zener Diode
The learner will understand how a zener diode maintains a constant voltage as the resistance values of a load change.
Radiation Pyrometer Temperature Sensors
Learners examine how a radiation pyrometer converts the frequency of electromagnetic waves to a temperature reading.
Combustible Gas Detectors
Learners examine the theory of operation for a combustible gas detector. A brief quiz completes the activity.
Ziegler-Nichols Continuous Cycling Tuning Calculations
Learners examine the formulas that are used to determine the proper PID values to be entered into a controller using the Ziegler-Nichols Continuous Cycling Tuning Method.
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.
PLC Counter Operation
Learners examine the two methods used by programmable logic controllers to perform a counting operation using addition or counter instructions. A brief quiz completes the activity.
Feedback System Application
In this animated and interactive object, learners examine a heat exchanger as an example of an automated closed-loop system.
Sensor Wiring Configurations
In this animated object, learners examine how two- three- and four-wire sourcing and sinking sensors operate. A brief quiz completes the activity.
Motor Action (Screencast)
In this screencast, 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.
The Hydraulic Color Code (Screencast)
In this screencast, learners read an explanation of the color code used on schematic diagrams for hydraulic circuits. Circuit examples for each color are shown.
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.
Continuous Cycling Tuning Example
By Craig Hemken, Terry Bartelt
In this interactive object, learners follow the steps required for the Ziegler-Nichols Continuous Cycling method. The process identification procedure is performed, calculations are made, and the proper PID values are programmed into the controller.
Repetitive Cylinder Cycling
In this animated activity, learners examine the operation of a pneumatic cylinder that continuously cycles by extending and retracting.
Elements of Machine Vision
By Craig Hemken
Learners examine the basic elements of a machine vision system. A short quiz completes the activity.
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.
Standard Transmission Signals
Learners examine animations of the most common transmission signals used in automated systems, such as 4 mA to 20 mA, 3 psi to 15 psi, and 0 to 10 volts. A brief quiz completes the activity.
The learner will understand how to correctly wire a three-wire sinking and sourcing sensor.
Learners examine the electronic components of a digital thermometer.
Functions of Hydraulic Oil
Learners observe the four functions of oil in a hydraulic system.