Physics Concepts in Hydraulics
By Terry Bartelt
In this animated activity, learners view the following physics concepts in action: force, friction, horsepower, work, power, inefficiency, resistance, inertia, and energy.
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.
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.
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.
Types of Flow Measurement
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.
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.
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.
Absolute Optical Encoders
The operation and characteristics of an absolute optical encoder used in automation applications are presented.
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.
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.
Thru-Beam Photoelectric Sensors
This animated lesson shows the operation and characteristics of thru-beam optical sensors.
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.
Learners study how a DC motor generates counterelectromotive force. A short quiz completes the object.
A Timer-Off Application
Learners examine how a PLC Timer-Off instruction is used in the operation of an automotive paint booth.
Learners study the method of cascading two or more PLC timers to extend their time capacity.
Pascal's Law and Hydraulics
Using the principle of Pascal's Law, the learner will interpret the gauge readings in a hydraulic system to determine when the system is operating properly under various load conditions and when there is a defect.
Designing a Cylinder Dwell Circuit
This animated lesson shows how a ladder circuit uses timer-on delays to cause an extrusion machine to operate.
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.
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.
In this animated object, learners examine the signals produced by sourcing and sinking two-wire sensors. A brief quiz completes the activity.
Integral Reset Setting
Learners study animations showing the integral function of a closed-loop control system and the difference between the two types of integral controller settings, reset rate and reset time. A short quiz completes the activity.
The Multi-Loop Armature of a DC Motor
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.
Pressure-Reducing Valve Application
By Terry Bartelt, Stephen Schneider
In this animated activity, a drill-and-clamp machine is used to show an application of a pressure-reducing valve. Recommendations on how to properly make pressure adjustments are also provided.
Radiation Pyrometer Temperature Sensors
Learners examine how a radiation pyrometer converts the frequency of electromagnetic waves to a temperature reading.
Hydraulic Brake Valves
The operation of a hydraulic brake valve, including the internal components, is presented using animations.