Alarm Circuit (Full Lecture)

In this lesson we'll take a brief look at an industrial alarm circuit with a silence option. This circuit illustrates the use of a control relay and its associated contacts to perform a function as well as illustrates the use of switches being held in their activated state. (Full Lecture)
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For more FREE online technical training check out the following playlists available at the bigbadtech channel:
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Single Phase AC Circuit Analysis • Single Phase AC Circui...
3 Phase AC Circuit Analysis • 3 Phase AC Circuit Ana...
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Pneumatics • Pneumatics
Motor Control • Motor Control
Motors and Generators • Motors and Generators
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Programmable Logic Controllers (PLCs) • Programmable Logic Con...

[@brianburke396]

Out off all the electrical lectures, I've seen and watched, on the net or attended, these are by far the best.

[@bigbadtech]

Thanks for the interest! Please tell your friends this resource exists.

[@michaelcostello6991]

Thanks. Really great stuff here. Michael

[@kellysustaire]

let me just say that I think you do a great job on these videos. Our teacher has shown us a few and they are clear and concise. Thanks.

[@bigbadtech]

+Kelly Udidimus Christopher Cones Peter Cad Wallace Harrison Jones Thank you sir! Hey, is your school in the United States? I've got a project I'm working on with the NSF and would appreciate some feedback from US instructors.

[@dexterms7263]

thank you JIM please continue talk about industrial system and plc your explanation is so good i am waiting for it bro thx once more

[@bigbadtech]

Stay in touch. I'm deep in the AC circuit analysis playlist right now, however, I'm hoping to return to the these other topics in the near future.

[@rob8823]

Is there any great reason for using octal bases on relays? Not as intuitive when visually inspecting circuits.

[@bigbadtech]

If it was easy to be an electro-mechanical technician you wouldn't earn the big money. Yes, the pin outs for an octal base are a little odd but once you get used to them it becomes more intuitive. There are control relays that make use of isolated single pole single throw switches (SPST) rather than octal base relays (which use 2 pairs of SPDT transfer contacts) but, probably because of historical inertia the octal bases are more frequently employed.