Types of Flow Measurement
By Terry Bartelt
Learners study the most common ways to measure fluid flow for industrial processes including absolute quantity, percentage, volumetric flow rate, and mass flow. A brief quiz completes the activity.
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.
The Feed-Forward Control System
In this animated object, learners examine the operation of a feed-forward control system and its advantages over a closed-loop system. A brief quiz completes the activity.
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.
Physics Concepts in Hydraulics
In this animated activity, learners view the following physics concepts in action: force, friction, horsepower, work, power, inefficiency, resistance, inertia, and energy.
Pneumatic Air Leaks
By Terry Bartelt, Stephen Schneider
In this animated object, learners examine the causes of air leaks and read how to repair them. The object includes audio.
Orifice Plate Flowmeters
Learners examine the operation of an orifice plate flowmeter as it is used to make process control measurements. A brief quiz completes the activity.
Sinking/Sourcing Input Modules
Learners examine the conventional current flow at a PLC input module, along with the field devices connected to it. This interactive object includes quiz questions and feedback.
Signed Binary Numbers: 2's Complement
By John Casey, Terry Bartelt
Learners use this interactive and animated object to examine the use of binary numbers in a programmable logic controller. A brief quiz completes the activity.
Absolute Optical Encoders
The operation and characteristics of an absolute optical encoder used in automation applications are presented.
Radiation Pyrometer Temperature Sensors
Learners examine how a radiation pyrometer converts the frequency of electromagnetic waves to a temperature reading.
Pneumatic Cylinder Flow Control
Learners use animated needle valves and check valves to change the speed of a pneumatic cylinder as it extends and retracts. A brief quiz completes the learning object.
Counterelectromotive Force
Learners study how a DC motor generates counterelectromotive force. A short quiz completes the object.
Ladder Circuit Labeling
Learners examine the labeling scheme used in ladder logic diagrams to identify components, wires, rungs, and rails. This activity includes self-check questions.
Multi-Rung Control in a Ladder Circuit
Learners study the operation of a ladder circuit in which coils on one rung control contacts in other rungs.
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.
Cavitation
In this animated activity, learners examine how cavitation occurs in a hydraulic pump. A video clip is included. Learners then test their knowledge in a brief quiz.
PLC Counter Operation
By Terry Bartelt, Tom Yapp
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.
Thru-Beam Photoelectric Sensors
This animated lesson shows the operation and characteristics of thru-beam optical sensors.
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 Control: Hands-on Testing and Troubleshooting Procedures for the Motor Control Lab
By Dick Dierks
Learners follow a step-by-step explanation of how to test fuses and circuit interrupting devices.
Cascading Timers
Learners study the method of cascading two or more PLC timers to extend their time capacity.
Four-Wire Sensors
In this animated object, learners examine the signals produced at the N.O. (normally open) and N.C. (normally closed) outputs of sourcing and sinking four-wire sensors. A brief quiz completes the activity.
Designing a Cylinder Dwell Circuit
This animated lesson shows how a ladder circuit uses timer-on delays to cause an extrusion machine to operate.
A Timer-Off Application
Learners examine how a PLC Timer-Off instruction is used in the operation of an automotive paint booth.