Latching Relay Basics - Basic working principle in 2 minutes
Latching relays, how do latching relays work. Learn the basic working principle behind a latching relay in this video on latching relay working principles.
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@yelloweater5506
2 жыл бұрын
Now I can see that besides all electrical components , mechanical mechanisms help them too much
@masternobody1896
2 жыл бұрын
900 iq knowledge thanks
I’m an elevator tech and and instructor at our elevator apprenticeship education program. I teach solid state and I use your videos to help the students identify what we’re discussing. This video will be incredible helpful for myself and my students. Thank you.
@EngineeringMindset
2 жыл бұрын
Great to hear and glad the content is useful. Did you checkout out solid state relay video? kzread.info/dash/bejne/ZXWKqtOPj9ung7Q.html
@starmc26
2 жыл бұрын
I want to get into the elevator/escalator industry.. how do I do so?
@travarious2810
2 жыл бұрын
@@starmc26 do you live in the states or Canada?
@starmc26
2 жыл бұрын
@@travarious2810 the United States
@travarious2810
2 жыл бұрын
@@starmc26 ok. Look up International Union of Elevator Constructors local offices in your state. Give the local union hall a call to see when their next hiring event is. You’ll need to sign up, take an aptitude test, and be interviewed. Unless you’re a veteran, you’ll be placed at the top of the hiring list.
You explain it so that is so easy to understand. gonna binge watch your videos tonight
This is amazing i am on a project that involves latching relay and I was all over the internet trying to understand how it work it was all in vain, all I ended up getting was pictures of MCB( miniature circuit breaker) I was giving up! until this video showed up on my notification and am forever grateful.
@EngineeringMindset
2 жыл бұрын
Glad I could help
@hardintechnical
2 жыл бұрын
bonface muthuri it's not so complicated, i hope you ever use any D.O.L circuit both are same I hope you know about jog or inching.
@EngineeringMindset
2 ай бұрын
Seen our new incredibly detailed MCB video? link: kzread.info/dash/bejne/maV515utaKvdh5M.html
@EngineeringMindset
2 ай бұрын
Seen our new incredibly detailed MCB video? link: kzread.info/dash/bejne/maV515utaKvdh5M.html
I’m an electronics engineer and I love all your videos . You’re better than my professors do
I want to say thank you.Great videos.
So clear. I didn't even know these things existed. The graphics and explanation are great!
@hardintechnical
2 жыл бұрын
I think you should also know about jog or D.O.L circuit.
Huh this is actually simpler than I thought. When I saw the title I had in mind a relay with multiple contacts and one set being used to latch the coil.
thanks a lot the concept of latching is cleared to my your video is very helpful
awesome explanation!!!
This helps allot I am working on a project for school where this is perfect for
Now i know it! Cool! Thanks!
Thankyou so much for this video
Very good want more videos of this kind
Thank you so much for sharing
I like this video It's very educative
thank you so much team
Thank you شكرا لك
Thank you for good information
@EngineeringMindset
2 жыл бұрын
Welcome
Thank you💚💐
@EngineeringMindset
2 жыл бұрын
Welcome 😊
Thank you!
@EngineeringMindset
2 жыл бұрын
You're welcome!
Good content.
Thanks!
@EngineeringMindset
2 жыл бұрын
Thank you, Qill AQ
Thanks for this
@EngineeringMindset
2 жыл бұрын
No problem
Thanks you
Nice video
Always good vídeo
@EngineeringMindset
2 жыл бұрын
Glad you think so!
Thank you 😀
@EngineeringMindset
2 жыл бұрын
No problem
Thanks
Those latching relays are widely used for lighting applications where the lights have to remain on or off after pressing a 3-position switch (on/off/stand-by)
One day if I become a engineer, That is because of your channel and real engineering and lesics
Hooray this vid shows actual electric flow
Thank youuuuuui
Thanks 👍🇬🇧
@EngineeringMindset
2 жыл бұрын
Our pleasure!
Finally a great video on this. Sorry in advance for asking a stupid question but in the above example, what would it be called? spst,dpdt etc?
Thnks a lot
@EngineeringMindset
2 жыл бұрын
Happy to help
Superb videos chap. I would like to make an alarm for my garage is this something that you could cover please Thank you.
#Thank you#
We also use latching relays for alternate operation of a two motors.
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Nice explanation of how a latching relay is used, but lifts (elevators) don't actually use these type of relays, even on old relay logic controllers. Normal multi-contact relays are used with one of the contacts used to maintain the relay feed to itself until a floor selector system tells it to drop out. Using the latching relay system you describe would be prohibitively expensive and unecessarily complicated to design into the operating system.
@derekcable
2 жыл бұрын
Otis elevators use a set/reset relay for 50 odd years by sending voltage one way through the coil making the armature temporary magnetised which keeped the contacts made. To reset the relay voltage was passed the reverse way. This set up was mainly used on their car/landing call relays on the floor selector.
@markdoble736
2 жыл бұрын
Not being familiar with every lift control system, I stand corrected if Otis have used this type of relay in some of their equipment. However, I would still suggest that the vast majority of lift control systems do not use this type of relay in their circuits as their complicated nature is more readily served by standard relay and contactor arrangements. I was, before retirement, an electrical engineer for a British lift company designing lift control systems. Obviously, in the last thirty years or so, electronics and microprocessor controls have removed the need for these types of electro-mechanical control systems.
@kevinhofer4922
2 жыл бұрын
Mark Doble: Please find something else to do. He made an illustration that all of us could understand. For we’ve all used elevators
@derekcable
2 жыл бұрын
@@markdoble736 Does it really matter as it was just used as an example of how you "could" using a latching relay to hold up a landing call acceptance lamp on an elevator.
@markdoble736
2 жыл бұрын
I actually complimented the explanation of how a latching relay works, I was simply pointing out that most lift control systems don't really use them. I'm sorry if this upset anyone, I hadn't realised how sensitive some viewers could be when being offered some useful information.
This is really good type of replays thats used for many safety circuits when something wrong done for mechanical machine the fault make the latch rellay energized then you cant reset the fault to run it again by using the reset button only .you should Fixed the mechanical damage thats connected to latch rellay directly on hardwire first
@EngineeringMindset
Жыл бұрын
See our new video on how to build mechanical versions of electronic circuits? Watch here: kzread.info/dash/bejne/jKpts5mimJeehcY.html
Wow
👍👍
Plz make a video about Operational amplifier
@bonfacemuthuri9840
2 жыл бұрын
Yea an op-amp video would be great 👍
I am working on a 2021 Ford F350 w/ factory upfitter switches. We are trying to use upfitter switch 1 as the power source for an LED beacon and 4 LED lightheads. We are trying to wire in a latching relay to cut power (or ground) to the rear 2 lighthead by wiring in a momentary button. When upfitter switch 1 is powered and all the lights are functioning (beacon and 4 lightheads) we are trying to use the momentary button to kill the rear 2 lightheads, but allow the circuit to reset when turning the upfitter off and then back on allowing power (or ground) to the rear lightheads allowing them to function again. The end user is wanting to make sure the rear lightheads will come back on through the upfitter switch 1 when turning the switch to ON. The end user works from the rear of the truck onsite and the rear 2 LED lightheads are at eye level. He is hoping to use the momentary switch to kill those 2 rear lightheads when working from the rear, allowing the other LED's (beacon and front 2 LED lightheads) to continue working, but when he gets back in the cab and turns the beacon and lightheads off killing all power to those heads, but allows the circuit to reset when turning upfitter switch 1 back on. I am having a hard time wrapping my head around this. I am close to figuring it out, but just can't get it sorted. Can this be done?
Do these exist for contractors for very high currents (in excess of 1000A?) For the purpose of a motor controller or small EV with a DC commutated motor to allow polarity change of field, eliminating the need for a large H bridge switch? I considered using some cheap car solenoids but having 2 of 4 of them engaged continuously would be pretty wasteful and they might overheat
👍
Hi, what model of relay uses this configuration? Thanks
You need to teach everyone to use a flyback diode! Its killed some my compoment, (it killed my transistor bc557)
Make vedio on latch relay connection my2k
Latching relays are found in your car's power window circuit enabling one touch down (and / or up).
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@RODOLFO.M.S
2 жыл бұрын
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Is this how the latching contractor in DOL starter works please?
How about a video to connect smart wifi relay?
Seems better to just feed the coil through a N.O. contact in the relay. After energized it will stay latched. Reset button kills power to coil. Simple...
@underwaterdick
2 жыл бұрын
Agreed, this seemed like an odd way to describe a latching relay with an odd application.
@starmc26
2 жыл бұрын
It has to be able to switch tho ..
@mikebond6328
Жыл бұрын
You would need two relays to make that work. The latching relay is essentially two relays in one because it has two coils.
Anyone know how a pulse latching water solenoid works for a irrigation system. I’m just a plumber and how they stay open with no power feeding the solenoid seems like sorcery to me
@Greg-lo1tl
2 жыл бұрын
I've never heard of those, but my guess is that "open" is simply the unpowered default position?
excuse me sir there are any differences between latch relay and impulse relay?
This is all well and good but slightly wrong. Most latching relays combine power sources and use a latch/reset circuit cut the power. Also in the case of elevators... its all PLC/PAC driven now
@derekcable
2 жыл бұрын
Otis elevators used latching (set/reset) relays for 50 odd year for the car/landing calls on their floor selector before going transistor/electronic. They would past voltage thought the coil in one direction to magnetise the armature set the relay which would keep the contacts made then pass the voltage the reverse way to demagnetize the armature to reset it.
Which the NO or NC?
Brother your using editor
is this relay? looks more like a solenoid...latching solenoid. anbyway nic e video...i was not looking for this...
Why does current flow that way?
@EngineeringMindset
2 жыл бұрын
See this kzread.info/dash/bejne/f4mcwcaIk9TNhto.html Also check our how batteries work video
I thought this was actually going to progress onto direct online starters
@EngineeringMindset
2 жыл бұрын
Not this one, just a quick 2min video
@ColinRichardson
2 жыл бұрын
@@EngineeringMindset I didn't see the size of the video from the notification.. I seen it was from you guys and immediate hit watch. I quite like the mini topic.. I am hoping it's more like a teaser for things to come?
@gus473
2 жыл бұрын
@@EngineeringMindset 🙋🏻♂️ Yeah, I also like these short explainers! Perfect for "break time!" Look forward to more! 👍🏼😎✌🏼
Who have this in french plz
@EngineeringMindset
11 ай бұрын
Please see our French channel
Bad explanation I think. Whats making sure the contact is tight against the contact point, and what releasing the power from the elevator coil after coming down??
@EngineeringMindset
2 жыл бұрын
See the bottom right corner
@martinjrgensen9797
2 жыл бұрын
@@EngineeringMindset bottom right hand corner of what and when?
why diagrematic reversal ... chinese