Functions of Hydraulic Oil
By Terry Bartelt
Learners observe the four functions of oil in a hydraulic system.
PLC Sinking Input Modules
In this animated object, learners examine how to wire field devices to a PLC sinking input module.
Ladder Logic Schematic Symbol Flashcards
By John Rosz, Terry Fleischman
This interactive object is designed to help learners memorize the schematic symbols used in ladder logic diagrams. Learners quiz themselves using electronic flashcards.
On-Off Control of a Feedback System
Learners examine the operation of the on-off control mode using a home heating example. A short quiz completes the activity.
Sequencer Output Instruction for the SLC-500 PLC
By Craig Hemken
Learners examine the fundamental concepts of sequencer output instruction. A simulated example shows a sequencer in operation.
Hydraulic Pumps
In this animated object, learners examine how various types of positive and non-positive displacement hydraulic pumps work.
Stop-Button Wiring to a PLC
Learners consider the correct type of pushbutton to use as a Stop button, the way the Stop button should be hard wired, and the PLC input instruction to use. This animated object includes a short quiz. It is recommended that learners review the learning object “The PLC Examine-Off Instruction” before beginning this object.
Time-Delay Relays
This animated lesson shows the operation of timer-on and timer-off delay relays used in ladder circuit operate.
One-Shot PLC Operation
Learners view an animation showing the one-shot operation of a programmable logic controller.
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.
Dynamic Braking Circuits
In this animated activity, learners examine the operation of a dynamic braking circuit used to quickly stop a motor.
Limit Switches
In this animated object, learners examine the basic types of limit switches and how they are used.
Reaction Curve Tuning Example
Learners perform the steps required for the Ziegler-Nichols Reaction Curve Tuning Method. The process identification procedure is performed, calculations are made, and the proper PID values are programmed into the controller.
Resistance Temperature Detector (RTD)
Learners study animations to see the connection between temperature and resistance as they examine the operation of an RTD. A table is used to convert resistance readings to the corresponding temperatures. A brief quiz completes the activity.
PLC Sourcing Input Modules
In this interactive and animated object, learners study how to wire field devices to a PLC sourcing input module. A brief quiz completes the activity.
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.
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.
Types of Pneumatic Compressors
Learners examine the operation of positive and non-positive displacement compressors used in pneumatic systems.
Capacitive Proximity Sensors
In this animated object, learners examine the operation of a capacitive proximity sensor. A brief quiz completes the activity.
Incremental Optical Encoders
Learners study the operation and characteristics of an incremental optical encoder used in automated manufacturing applications. A brief quiz completes the activity.
Sequence Valves
By Terry Bartelt, Stephen Schneider
Learners view an animation of a sequence valve in operation and examine the valve’s internal structure.
Testing a Hydraulic Pump
Learners follow an animated test procedure to determine if the parts of a hydraulic pump are worn.
Ziegler-Nichols Continuous Cycling Tuning Method
In this animated and interactive object, learners follow steps to perform the process identification procedure for the Ziegler-Nichols Continuous Cycling Tuning Method. A short quiz completes the activity.
The Spring-and-Diaphragm Actuator
Learners study an animation of a spring-and diaphragm actuator controlling the opening of a flow valve.
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.