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Hydraulic Directional Control Valves

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In this animated activity, learners examine the operation of hydraulic directional control valves and the internal components that divert the fluid.

Stop-Button Wiring to a PLC

By Terry Bartelt

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.
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Sine Wave Fundamentals: Practice Problem #1

By Patrick Hoppe

In this interactive object, learners determine the Vp, Vp-p, Vrms, Vavg, and the frequency of a sine wave displayed on an oscilloscope screen.
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Cascading Timers

By Terry Bartelt

Learners study the method of cascading two or more PLC timers to extend their time capacity.

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Total Impedance for Series-Parallel Circuits Using Complex Numbers

By Patrick Hoppe

Students follow the steps for finding the total impedance for a series-parallel circuit. Several examples are given.
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Line Symbols

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PID Control

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Shear - Hydraulic - Adira - Operator's Panel

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Picture of Adira hydraulic shear's operator's panel with part identification and instructions on how to start and stop the shear as well as setting stroke (cutting length).

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Nature of Science Scenarios Band

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Directional Terms - The Body

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 Start a new Discussion

As a former Maintenance supervisor with over 30 years of experience with hydraulics, I happened to stumble onto this and am very impressed. Thanks, good work

Posted by Chuck Sola on 5/3/2008 12:00:00 AM Reply

Excellent site. Other data may be added for understanding more critical operations

Posted by rajesh belani on 10/13/2009 12:00:00 AM Reply

Creative Commons Attribution-NonCommercial 4.0 International License.

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