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Ladder Diagram Basics #3 (2 Wire & 3 Wire Motor Control Circuit)

  Рет қаралды 465,752

Pete Vree

Pete Vree

8 жыл бұрын

This video walks you through the basic 2 wire and 3 wire control for 3 Phase motor controllers
Interested in learning Siemens TIA Portal PLC Programming? I have a full Course available for purchase here: petevree.thinkific.com/course...

Пікірлер: 149
@wolfpackrc
@wolfpackrc 3 ай бұрын
Best video I've seen yet. Learned more in the first 6 minutes than I did in any other video. Thank you
@glendavis8605
@glendavis8605 6 жыл бұрын
I’ve been in electrical industry for 20 years, a master electrician and educator. The videos you have created are among the best I have seen at no cost. Much needed to help the novice who won’t spend the money for licensed professionals or training. Giving the average person the ability to learn safely. I subscribed and use your training videos myself. Great stuff. The only thing I would recommend is training on 120v coils with control transformers involved more as that is the most common go to in field applications.
@PeteVree
@PeteVree 6 жыл бұрын
Got your email regarding Drives Training. You may want to check out Yaskawa's new online training: kzfaq.info/get/bejne/Y6p_iZirvbmvk2w.html
@abdihassan3632
@abdihassan3632 3 жыл бұрын
2yrs of electrical now i’m understanding cus of this vid and no teacher could explain as clear as you did ‼️
@bigstallman5582
@bigstallman5582 5 жыл бұрын
Man i wish my professors made this look so easy. I can't thank you enough.
@Richardo7172
@Richardo7172 3 жыл бұрын
Finally someone who makes me understand. I appreciate your teaching technique. Thank You.
@AmericanWireman
@AmericanWireman 4 жыл бұрын
I'm a 4th year apprentice in the IBEW. And I just got out of motor control classes a month ago. After watching this. Everything just suddenly clicked and it made sense. Thank you!
@michaelcostello6991
@michaelcostello6991 7 жыл бұрын
Great video. First time i have truly understood 2 wire and 3 wire. You are very thorough showing all the stages including showing the route of the actual cables at the end. Sincere thanks
@perrylowe4077
@perrylowe4077 5 жыл бұрын
Thank you so much for your videos! I have a lazy motor controls instructor and videos like yours will be the only reason I pass the class.
@patrickdwyer2319
@patrickdwyer2319 3 жыл бұрын
Concise and very easy to understand, answered all my questions without needing to ask.
@d.laguerre2439
@d.laguerre2439 3 жыл бұрын
You are a very good teacher! You explain better than my college teacher. Thank you Very much!
@wyattlewis9104
@wyattlewis9104 5 жыл бұрын
Your videos are saving my life right now in my motor controls class. Thank youuuu!
@BBQPitmaster626
@BBQPitmaster626 6 жыл бұрын
Great Video! I'm taking module 4 right now which motor control at my school, and this helped me out so much. Thank you!
@cortlandtatt6750
@cortlandtatt6750 4 жыл бұрын
What a great! Way of teaching very very well explained & mostly I like how you go drawing a electrical diagram & that's where I still struggle, reading schematics, so please continue your great teaching. Thank very much
@johnaaron4726
@johnaaron4726 8 жыл бұрын
Fantastic Video!! Super clear and precise!! I am in a motors class for 3 phase right now, but all the instructor does is tell old war stories, so I've learned a lot from youtube vids, then take questions to him to confirm correct answers. This is one of the Best AND Most Informative I've seen. Thanks again!!!
@PeteVree
@PeteVree 8 жыл бұрын
+John Aaron No problem. If there is an additional topic that you'd like me to cover, please feel free to ask.
@jolyonwelsh9834
@jolyonwelsh9834 8 жыл бұрын
Typically control voltages are 120vac ,24vac, or 24vdc. The lower voltages are preferred because of availability, safety, and durability of the control components. If you use high voltage control components such as 480 or 600 volts, the coil windings are such a fine gauge that they are more difficult to manufacture. And they tend to break easily. 24vdc is typically used with PLC.s. 24vac is typically used with HVAC systems. And 120vac is used because it's the standard voltage throughout North America.
@TheStrapjack
@TheStrapjack 6 жыл бұрын
I was blind, but now I see thanks to your video's Pete. Thanks.
@sukhwinderkailey848
@sukhwinderkailey848 3 жыл бұрын
what a great way of teaching, my salute to you my friend
@kun_fu_taco4775
@kun_fu_taco4775 2 жыл бұрын
Great Stuff man. This is a good refresher for anyone out of school for a while! Thankyou.
@georger3228
@georger3228 3 жыл бұрын
Great delivery and instruction!
@moseshill68
@moseshill68 8 жыл бұрын
Hi, Pete. tHIS is the best tutorial on the internet. Thanks a lot for these step by step instructions. Hugs from Sao Paulo-Brazil.. \0/
@PeteVree
@PeteVree 8 жыл бұрын
+Moses Hill Thanks so much Moses.
@jhch2o
@jhch2o 7 жыл бұрын
hand off auto switch video!!! thats what would be cool to see ....you make it very easy to understand this stuff love it!
@frunky19
@frunky19 7 жыл бұрын
Thank you so much! Your awesome at explaining wire control! 👍🏻
@sillystring73
@sillystring73 6 жыл бұрын
Thanks for taking the time to make video it was a great help
@jacqueleclock
@jacqueleclock 7 жыл бұрын
excellent video! thanks so much. Cleared a lot of things up.
@deltafour1212
@deltafour1212 8 жыл бұрын
Because of this video I am finally able to understand how to read a schematic, how it works, how to wire it and troubleshoot it THANK YOU!
@PeteVree
@PeteVree 8 жыл бұрын
So good to hear! Thanks for the feedback.
@AnonOrange
@AnonOrange 4 жыл бұрын
Superbly explained, as always.
@stanleykania7184
@stanleykania7184 5 жыл бұрын
Nice video.. I am in trade school now and will be taking motor control next semester..
@sohailjanjua123
@sohailjanjua123 2 жыл бұрын
Hi, I like your lecture. Thanks
@shanemcdaniel1509
@shanemcdaniel1509 5 жыл бұрын
The best ever..period!
@jamesandrew1750
@jamesandrew1750 7 жыл бұрын
Really good explanation, a great help thank you
@Bruuuhhhhhhuuu
@Bruuuhhhhhhuuu 7 жыл бұрын
I'd like to extend a personal thank you. I'm in my 2nd year of trade school and never touched a motor starter in my life. This helped immensely in my labs. So clear and concise. You're the man Pete
@PeteVree
@PeteVree 7 жыл бұрын
Glad it helped. Keep in touch Andrew.
@Magneto994
@Magneto994 7 жыл бұрын
Excelent explanations... thanks a lot
@OnTheEdge5950
@OnTheEdge5950 4 жыл бұрын
That was great! Thank you!
@chrissteinman9911
@chrissteinman9911 Жыл бұрын
Great information. Nice job
@Nordkinn
@Nordkinn 3 жыл бұрын
Thank you sir for your tutorial.
@crf50hugo1
@crf50hugo1 6 жыл бұрын
Thank you for making this video
@jerrylangebek5682
@jerrylangebek5682 8 жыл бұрын
Hello Pete! Your clear and descriptive approach simplified and explained a lot. Thanks for providing your time and knowledge! Teaching like this, I believe, would enable anyone with the confidence to take on any electrical project.
@PeteVree
@PeteVree 8 жыл бұрын
+Jerry Langebek Thanks for the feedback Jerry!
@worldfamouszona9797
@worldfamouszona9797 2 жыл бұрын
Still such a baller video lol I watched this back in 2018 when I was in my Last semester of Journeymen class here am again before a journeymen test !
@kapahi15
@kapahi15 6 жыл бұрын
Very nice video .....thank you!
@kuaoteptv
@kuaoteptv 3 жыл бұрын
Thankyou sir for informative tutorial
@gustavotrevizo6957
@gustavotrevizo6957 Жыл бұрын
Great explanation 😮👌
@salehfarman3879
@salehfarman3879 6 жыл бұрын
how do you connect a 400w 1ph capacitor run motor to a start/stop button?
@khanidyaks8463
@khanidyaks8463 7 жыл бұрын
Thank you Pete! its very useful!
@PeteVree
@PeteVree 7 жыл бұрын
Thanks Kanid. All the best. Pete
@davidhaines4173
@davidhaines4173 7 жыл бұрын
Thanks Pete.
@TDS516
@TDS516 8 ай бұрын
great explanation of starter thanks a lot
@edwardruiz8920
@edwardruiz8920 3 жыл бұрын
Great job!
@Callllum
@Callllum 7 жыл бұрын
Also on a single phase motor control circuit, is marking the conductors the same not quite sure the method used when labelling conductors
@jamesmoshiri9779
@jamesmoshiri9779 5 жыл бұрын
Thank you!
@frankdelatorre9142
@frankdelatorre9142 7 жыл бұрын
good example for students
@CM-oy2kd
@CM-oy2kd 6 жыл бұрын
+ Pete vree Ur da man
@dkba52
@dkba52 Жыл бұрын
no bullshit confusion . thank you sir. in the field guys don't understand 120/208 for the most part. myself included.
@kosithuhtet9837
@kosithuhtet9837 3 жыл бұрын
Thank you so much.
@josephadam4440
@josephadam4440 7 жыл бұрын
good job
@tomasnewson6744
@tomasnewson6744 4 жыл бұрын
I love the way he says excellent
@tonyn7168
@tonyn7168 6 жыл бұрын
GOOD VIDEO THANKS SO MUCH
@MrMohammad2536
@MrMohammad2536 6 жыл бұрын
Hello . Can you help me write a PSA system? Pressure Swing Adsorption thank you
@cuberoot475
@cuberoot475 6 жыл бұрын
Thanks Sir Pete
@Arslan8836
@Arslan8836 7 жыл бұрын
if air cooled chiller controller is deffective any one can tell me how we can do manual wiring
@olaodeyemi3403
@olaodeyemi3403 8 жыл бұрын
Thanks a lot. Please can you do tutorial for 2 mechanical interlocked control circuit for forward and reverse direction of a 3 phase motor .
@ericbader
@ericbader 3 жыл бұрын
Wouldn't L1 & L2 first feed a control transformer because control devices aren't normally rated at the voltage that the coils for motors and disconnects are rated for?
@walexsyfigueroa1146
@walexsyfigueroa1146 6 жыл бұрын
very helpfull video
@williesimpson8411
@williesimpson8411 6 жыл бұрын
This is Great.... well done... (not everyone can teach well)
@mattaiono81
@mattaiono81 Жыл бұрын
Can anyone please explain which color wire would I use here? Where would I put the black, and white respectively? Thank you in advance.
@dpwildlife000
@dpwildlife000 7 жыл бұрын
Would the coil voltage in this instance be 208V for three wire control?
@PeteVree
@PeteVree 7 жыл бұрын
Yes.
@keving1774
@keving1774 2 жыл бұрын
5:42 is the bond wire a ground or neutral?
@chizuck3322
@chizuck3322 9 ай бұрын
where would you drop in a hour meter between 3 and 2?
@TheiKawii
@TheiKawii 7 жыл бұрын
nice videos, I'm taking level 2 hvac and was wondering if you knew of any links to help learn how to make schematics? we are taking a paragraph of information about a control and load circuit and told to make a schematic and wiring diagram from this information?
@PeteVree
@PeteVree 7 жыл бұрын
Send me an example paragraph to vree.peter2@gmail.com and I'll see what I can put together.
@franciscoabayan1989
@franciscoabayan1989 7 жыл бұрын
wow nice amazing information videos
@PeteVree
@PeteVree 7 жыл бұрын
Thanks so much Francisco. Pete
@86Club
@86Club 8 жыл бұрын
Awesome
@MD-cd7em
@MD-cd7em 6 жыл бұрын
GOOD VIDEO...
@Automationacademytv
@Automationacademytv 4 жыл бұрын
thanks for nice video my channel starts to grow, it inspired me to make more video
@harrycalderonvillacis7862
@harrycalderonvillacis7862 5 жыл бұрын
What cainmthevprpgran use
@bonnylasu7665
@bonnylasu7665 Жыл бұрын
Hi very interesting. Can explain how to wire 3phase air compressor auto on off with face failure?
@gbarassi
@gbarassi 7 жыл бұрын
thanks
@levimays55
@levimays55 5 жыл бұрын
thank you x10
@ibrado900
@ibrado900 3 жыл бұрын
GOOD VIDEO
@M0stBlunt3d
@M0stBlunt3d 7 жыл бұрын
For 3 phase motor like this, it's ok if motor NO holding contact is only connected to L1 and L2?
@brakehorsepower2509
@brakehorsepower2509 7 жыл бұрын
He used floating switch dude it will hold that.
@walexsyfigueroa1146
@walexsyfigueroa1146 6 жыл бұрын
R. WINSTON IS MY PROFFESOR IN LOS ANGELES TRADE TECH 400 WASHINTONG LOS ANGELES CALIFORNIA THANK YOU FOR YOU HELP
@pbrown4
@pbrown4 8 жыл бұрын
Great video. Why does the starter circuit connect to L1 and L2 and not L3?
@PeteVree
@PeteVree 8 жыл бұрын
+Peter Brown I just arbitrarily chose L1 and L2. As long as your controls components were rated for the same voltage as your motor circuit, any two line conductors will have the same voltage. i.e. 208V 3 Phase Motor circuit will have 208V Single Phase available between any line terminals.
@slntscpe
@slntscpe 7 жыл бұрын
on your 3 wire , where do I add a red and green for start and stop indication?
@PeteVree
@PeteVree 7 жыл бұрын
You could have another 2 rungs below with n/c contacts for the red and n/o for the green... or the green could go in parallel with your coil if all you had was one n/o contact that you had already used for the holding contact in parallel with the start pb.
@slntscpe
@slntscpe 7 жыл бұрын
Pete Vree thankyou very much
@aeronesto
@aeronesto 8 жыл бұрын
You should work for Khan Academy. These are excellent!
@PeteVree
@PeteVree 8 жыл бұрын
+Ernesto Jimenez Thanks for the shout out. Sal Kahn +khanacademy ... you should hire Ernesto, awesome PR rep.
@marcosanchez2189
@marcosanchez2189 7 жыл бұрын
were can you get handbooks and your videos
@PeteVree
@PeteVree 7 жыл бұрын
I don't have a handbook made up yet Marco... just a couple videos on Ladder Diagrams to get you started.
@marcosanchez2189
@marcosanchez2189 7 жыл бұрын
how can I get them
@PeteVree
@PeteVree 7 жыл бұрын
kzfaq.info/sun/PLyL0ResmI4Q0E5-Kd-wPTYRkEBkS3DEwz
@monkeyboyalcoholic
@monkeyboyalcoholic 4 жыл бұрын
Great, need to size the ol's, fuses, and conductors
@codypatron5968
@codypatron5968 15 күн бұрын
What is screwing me up is the #5 wire, shouldn't it go to something separate that closes the holding contact? I think I just figured it out lol. Ok so when the coil is energized it closes not only L1 L2 L3, but also the holding contact?
@distortiontildeafness
@distortiontildeafness 6 жыл бұрын
im confused about how single phase power generates , does it come from a transformer with 2 coils or 3? are both possible? how does this relate to delta or wye transformers?
@PeteVree
@PeteVree 6 жыл бұрын
Single phase power comes from a 3 phase source. A Wye 3 Phase connection is made, and any line conductor to neutral then provides single phase ex. 120V, and any two line conductors from the 3 phase source provide a single phase voltage at root 3 higher 208V.... or you have a high voltage three phase supply, one conductor is brought to a single phase transformer outside your house, and is transformed to 13,800 V to 120/240V.
@distortiontildeafness
@distortiontildeafness 6 жыл бұрын
Pete Vree thanks for clarifying! Much respect
@79kcaton
@79kcaton 7 жыл бұрын
So....For 3 wire, the a2 of the coil goes to one lug of the N/C Overload then the other lug of the N/C Overload goes to line 2? right?
@PeteVree
@PeteVree 7 жыл бұрын
Yes. For this example the overload was located after coil, and the control circuit was fed from the line side of the contactor. (i.e. the control circuit and main motor circuit are fed with the same voltage)
@Donezekiele
@Donezekiele 7 жыл бұрын
Thank you for the information, very helpful. Can you recommend some literature for someone who is looking for more in depth info on this topic? thanks!
@PeteVree
@PeteVree 7 жыл бұрын
Hi Juan, We use this textbook www.amazon.ca/Industrial-Motor-Control-Stephen-Herman/dp/1133691803 However, these two are good as well: www.amazon.ca/Electrical-Motor-Controls-Integrated-Systems/dp/0826912265 www.amazon.com/Electricians-Guide-Motor-Controls-Book/dp/B013HIBQEU If you find anything else that is good, forward it to me and I'll add it to my website: wyedelta.wixsite.com/html_canada-electrical/untitled-masterpage_13 Thanks, Pete
@walexsyfigueroa1146
@walexsyfigueroa1146 6 жыл бұрын
good explanation of industrial motor control from stephen l. herman 7th. edition
@PeteVree
@PeteVree 6 жыл бұрын
I actually prefer Electricians Guide to AC Motor Control by Richard Cox www.amazon.com/Electricians-Guide-Motor-Controls-Book/dp/B013HIBQEU
@DanishKhan-so7ng
@DanishKhan-so7ng 7 жыл бұрын
Good
@ricardosilva8106
@ricardosilva8106 3 жыл бұрын
👍🏽
@javierpitogo2112
@javierpitogo2112 8 жыл бұрын
hello sir..can you please give us a full video tuturial from motor control diagram to actual wiring
@PeteVree
@PeteVree 7 жыл бұрын
Javier, I am working on some new videos that walk through the ladder diagram, followed by actual wiring, and finishing up with voltage readings throughout. Have a look and provide feedback. All the best. Pete
@gamby85
@gamby85 5 жыл бұрын
Only problem with this example is that you always draw the OL contacts at the end of the of the one line diagram not at the beginning (past the motor coil)Look at any motor starter its got numbers 1,2,3 these represent the same 1,2,3 on the one line diagram if you start with the OL you screw that entire system up.Again … that's why its clear that it is an industry standard to draw the OL at the end of the ckt !!!Other wise its a pretty concise and accurate video !!
@PeteVree
@PeteVree 5 жыл бұрын
There is a new standard from IEC that the overloads are to be placed at the beginning of the motor control circuit. The system of having the 2,3 contacts matching the normally open overload is often dismissed as the number 1 is often used as the feed, 2 as the return.
@gamby85
@gamby85 5 жыл бұрын
Pete Vree That does Not apply in any control circuit using NEMA devices - And if your outside the US I could maybe see using the IEC standard but here in the USA 🇺🇸 the NEMA standard is still followed in every diagram application and device currently produced or available. Not to mention naming the rails 1 and 2 only applies to PLC applications not relay logic. At least not in any commercial or industrial application
@gonzalomcuevas8659
@gonzalomcuevas8659 2 жыл бұрын
You are correct Anthony, there was a drawing he had that show the o.l. at the end,
@gonzalomcuevas8659
@gonzalomcuevas8659 2 жыл бұрын
Check out 5:58
@dukeskylar
@dukeskylar 5 жыл бұрын
Hello, im not trying to put you on the spot here but your statement at 2:42. I do believe its not the best practice to wire the overloads first due to troubleshooting reasons. But then again if you do work for a big company you can just replace the whole starter with the overloads. I almost forgot my question. lol. Anyways, shouldnt you connect the wire after the coil to Neutral to complete the circuit? Seeing that its a 3phase power connecting it to L2 incoming voltage will only create a direct short? Great video by the way
@PeteVree
@PeteVree 5 жыл бұрын
1. Overload placement is usually after the coil, but some choose to place it first in the rung. 2. Connection to L2 is because the coil is rated for 208 V. The coil itself is the load, so no short will occur. If I connected to neutral, then there would only be 120 V applied to the coil and it most likely would not pull in. kzfaq.info/get/bejne/bbdze7uJqNi5XX0.html
@dukeskylar
@dukeskylar 5 жыл бұрын
Pete Vree i see what youre saying. So when you do have a 120v rated coil and using lets say a stepdown transformer 480 to 120. You would connect it to the neutral side pf the transformer and not from L2 supply voltage. Correct? L2 and Neutral is really confusing me. Ill watch that link ypu posted
@PeteVree
@PeteVree 5 жыл бұрын
Yes.
@jayviera5067
@jayviera5067 7 жыл бұрын
Why isnt the OL indirectly fr0m L2. ?
@PeteVree
@PeteVree 7 жыл бұрын
The normally closed contact is in line with the motor contactor. In this case, I chose a 208V supply, so when there is an overload on the motor, this normally closed contact will open, thereby removing the connection to L2. This interruption of current flow through the contactor coil will bring the motor to a stop before the motor coils are burnt out.
@DixonMasterElectric
@DixonMasterElectric 7 жыл бұрын
I always go from O\L straight to coil on 208v control i never go from O/L through my HOA,S/S,safteys etc then to coil wire the O/L just like with 120v control straight to the coil i dont know everybodys different i guess.
@vinayakambolkar9481
@vinayakambolkar9481 7 жыл бұрын
.Please please make a ladder diagram on star delta starter.. 🙏
@PeteVree
@PeteVree 7 жыл бұрын
That's a great idea... I'll try to work on it over the next couple weeks and post a link here.
@gonzalomcuevas8659
@gonzalomcuevas8659 2 жыл бұрын
Check out the correct way of drawing the O.L. @ 5:58
@lomker24
@lomker24 3 жыл бұрын
I'm not getting it, I watched #1&2, but three jumped past me
@stephenhoward2117
@stephenhoward2117 6 жыл бұрын
Eggsselent.. Lmao. Good video
@brett583
@brett583 5 жыл бұрын
Don't use a start and stop ; use a hand off auto switch hand is on/ off it will stop and auto is what ever you want. it's a 2 wire and if you loose power it will start back up
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