... Nordic Track C2500 Treadmill Motor and Icon Speed Control Board. $80.00. In this post we discuss a simple, accurate, high torque treadmill motor speed controller circuit which may be effectively installed in similar units for acquiring PWM controlled variable speed feature. 1. Now it looks very promising. Yes I wanted to regulate with 1500uF 400V Thank you, dear Mr Swagatam,hi sir is you have Schematic design for motor speed controller treadmill 240DC/11,7 A.thanks before firstname.lastname@example.org. thank you. NordicTrack EXP1000X Treadmill Motor Control Board Model Number NTTL09610 Part Number 181754. Hi Horacio, In the second diagram I forgot to show the 1k resistor across pin5 and ground line of the IC2. thank you I will start to build it. 99. TREADMILL MOTOR CONTROL BOARD PCB. Also what can you recommend as the Mosfet in the circuit to drive a 180v DC motor (8 Amp) from a 250v power supply. When i've done this i have to wait a few hours then i can do the same thing again. Free shipping. Thank you Michael for contacting me! Thanks for all your time. you can employ a 12v AC/DC adapter for powering the ICs separately, and make the negative common with the 130V DC, hi I am really missing something here, so the 130vdc dosent go throught the circuit, so then how is it hook up, ??? do any changes have to be made to the alternative designs for my situation? Sorry i'm still learning electronic circuit. You can get treadmills for running at a lower price, but their maximum speed is usually lower than more expensive options. I ran my motor on a paid 4kw dimmer with 8A bridge rectifier. The 180V could be achieved through a half wave rectification using a single 6A4 diode and filtered using a 10uF/400V capacitor. Thanks again for all your help. This will prove whether your IC 555 stages are working correctly or not…, Also, making it over a stripboard through soldering is more reliable than using a breadboard, which may cause loose connections. . I also did a circuit with PWM and a MOSFET, the same fails everytime at nearly half turned potentiometer and the engine is even at idle. yes you'll need to replace the 12V fet with a 500V fet….probably an IRF840 would do the job. Constant Torque Motor Speed Controller Circuit, Using Triacs for Controlling Inductive Loads, Automatic Door Circuit using PIR – Touchless Door, Transistor based 3 Phase Sine Wave Generator Circuit, https://www.homemade-circuits.com/0-300v-variable-voltage-current/, Small Signal Transistor(BJT) and Diode Quick Datasheet. But I have a question. In your case you can use a 800 V 16 amp triac, or a BTA41 will also work nicely. Specifications. If you do not wish to have the reverse forward facility, then you can much simplify the above design by eliminating the lower section of the circuit entirely, as shown below: The 10K pot can be used for the speed control, while the 220uF determines the soft start feature. Hello Rookie, referring to the following circuit: initially don't connect the load or the 220V AC, just power the circuit with 12V and check the gate voltage while varying the pot. Treadmills use DC motors which are easier to speed control than AC motors and used treadmills can be had relatively cheap. kindly specify the suitable type. Ok thanks. I used a light bulb as a load, because the motor is a very risky try. TL494 circuit will also work. Connect a MOSFET with pin3. The heating may be due to high resistance RDSon value of the MOSFET which is around 0.27 ohms. I want to use a PWM module to control the motor. but I cant the ic can only take 18vdc ,130 will fry it???? C $234.47. Treadmill control board LCB PCB-ZYXK9-1010B for treadmill motor speed control. When the pot is at min. Center leg connected to pin5, the other two legs connected to the +/- supply rails of the 12V DC. I suggested an SMPS since most smps have regulated output using zener controlled feedback. Get the best deals on Treadmill Motor and upgrade your home workout gear with the largest online selection at eBay.com. Embedding it into the main circuit will give it a finished look. ok so just connect the 130dc on the plus where the motor is connected and the – to 0 rail : I don't understand how the motor would get the pluses. Besides that, the noise from the motor becomes louder when the RPM's go down. the second circuit is also good and will work with both types of motors,…for AC motor do not use the bridge, connect it directly in place of the bridge. Thanks I am not sure what is starting voltage in your specifications, I think 110V should be the recommended voltage in any circumstances. Your email address will not be published. You only need to change the MOSFET rest everything can be as is. best moments! As rightly suggested by one of the dedicated readers of this blog, Mr. Ivan, a 180 V treadmill motor can be simply controlled through mains phase chopping concept, normally incorporated in all commercial dimmer switches for regulating home fan speed. The diagram looks OK, except the transistors in the bridge…you'll need to swap T4/T5 and T2/T3 positions. i unable to found magnet wires. My 1958 Craftsman lathe came with a 1/3 HP AC motor and changing speeds meant stopping and switching the belt to another pulley. so i can check the components. And finally, if there's a man on the treadmills belt when the problem occurs, he will fall down, with possible injury. The motor control board is bad and replacement costs $300. Technical Repair: 3: Aug 5, 2020: J: Speed Control Board for Treadmill Motor on a Belt Grinder Build: Technical Repair: 6: Apr 17, 2020: P: Treadmill Motor Speed Controller: Technical Repair: 15: Aug 2, 2019: Treadmill motor speed control: Technical Repair: 12: Dec 17, 2018 The MOSFET must be rated at 250V or more. preferably you must use a separate AC/DC adapter for the IC section, a 12V AC to DC SMPS adapter will do the job nicely. in the above article 555 IC are shown but if you wish you can use a single 556 instead of the shown two 555. voltage is not indicated because different users may have different voltage requirements as per their motor specs. I built the DC 180v motor controller using triac, the motor starts fine for 15 seconds or so then starts fluctuating in the speed till it stops!Any help would be appreciated. ... Nordic Track C2500 Treadmill Motor and Icon Speed Control Board. This is the information i got sir. Hi, Could you explain how a constant torque at low speeds is achieved? the dimmer chopper circuit above can be used as is it, or some components should be changed. I will remove the mosfet and the 10K resistor and I will replace it with a 1K resistor and an LED. Where would the ac come in and where would it be rectified? I hope I've given the best for the best.Thanks sir. Mr. Majumdar, I didn't say anything about your first circuit, at least my was with MOSFET stage unlike yours. Treadmill control board LCB PCB-ZYXK9-1010B for treadmill motor speed control. Hi Mr.Lim, I normally do not find time to respond to emails, so this place is the best place to interact with me. The important thing is that whether or not the dimmer concept works and is able to regulate the motor? This is one of the best PWM controller circuits I have ever seen, so it's beyond doubt that this circuit would surely work. The result was the same. Could I possibly modify this circuit towork with this type of motor, and if so, what component modifications would be necessary? Hi Mr. Mazumdar. Being a capacitor start motor I would recommend a phase chopper controller circuit as given in the last diagram above, but without the bridge rectifier. Do you think by removing that heavy flywheel that the DC motor will ever come close to drawing that rated 19 amps? $189.99 $ 189. Does a shottky across the motor (snubber ) is usefull as protection or is not necessary to this motor ? must feed 180v treadmill motor. Dear Sir, I have a brushed motor dc 50 V 2A max. It comes with Bluetooth connectivity so that you can connect your smart devices for fun-filled workouts. The only adjustable component inside is the pot?! Also, the circuit has an HIP4081A mosfet driver, please can you briefly explain how a mosfet driver works and whether this particular mosfet driver will be appropriate based on the ratings below. BTA41-600E which rated 40Amp and 600V could work properly? Anybody have a breadboard type of design for a speed controller with hookup instruct… Thanks for the help. Also you may have to change the transistor with 400 V transistors. 100 is 100 ohms, you can use lower values than this for the mosfet gate, sounds good : but on ic 2 pin 3 what dose 100 mean ?? starting voltage/ current= 130vdc/16.2A cont. I want to use a rectifier and a capacitor for the power supply of the motor direct from the wall outlet. i.imgur.com/NHR9ug3.png. Hi Swag, Your site is awesome. ... MC2100 LTS 50W Treadmill Motor Speed Controller NordicTrack. Hi Mah, I referred you the second last design, meaning the second circuit from bottom. 4) D1 is a Zener Diode 2.7v 0.5W? is it getting hot?….you can first test the circuit with a 200 watt bulb and make sure the bulb dims across the entire pot rotation uniformly…. You think do i need anything more to control the 180VDC, 5.5A motor? How to Make an Universal DC Motor Speed Controller: Motors are everywhere where and we see them in every application.From Drills to Locomotives , from RC car to lathe machine everywhere there are uses of motors.But the most important characteristic of the motor is ,the need to be controlled for a spe… The shown design can be used for your application…you can drive the buck transistor through any high frequency oscillator configuration, https://homemade-circuits.com/2014/06/solar-panel-buck-converter-circuit-with.html. If you run at home or in a gym keep going and progress, walk or run that little bit further every week then you'll be … Thanks, Nick. I'll do some more search and let you know soon if I happen to find one….if finally we are unable to find any, we can go for non-Darlington PNP BJTs with a supporting smaller PNP and configure the two like a Darlington. make sure to use 12V for the circuit and 90V for the transistor bridge section. Hi Kakooza, if it's a DC motor then you can definitely use the first design which is explained in the above article. Proform Nordictrack Treadmill Motor Controller Lower Board Mc2100lts-30. For the transistor you can simply use a single high voltage Darligton transistor such as ST901T with pin3 of IC2 for the required implementation. Thanks Swag, If you mean to use the dimmer one, here is my experience with it. You can upgrade it by adding another NPN/PNP to convert it into a Darlington. Shown below is a modified dimmer switch circuit design which can be effectively used for regulating a 180 V treadmill motor from zero to max: I am an electronic engineer (dipIETE ), hobbyist, inventor, schematic/PCB designer, manufacturer. Hi Jayanth, Rectified 220 V will become 310 V DC which may be too high for the motor. …please make sure the negative of 110V DC joins with the 12v negative of the circuit…. I will take photos of the motor but it is a 160VDC and power in AU is 240VAC. Yes that's right! Increasing the 220uF value increases the soft start effect and vice versa. If it does then I think the triac issue can be corrected by simply using a more stronger or high current triac such as BTA41/800 etc. But i keep worrying about the smps situation so i just wanted to ask about that. $8.70 shipping. Limited Time Sale Easy Return. Question The VCC is 15v but wasn't sure if it's DC or AC on your schematic. What type of transistors would I use for T2-T5? I made the dimmer circuit as you shown here on assembly board(i mean not using soldering tools). It's used for drill machines and can power a engine up to 800W. Is that not the case? MC2100LT 12 Treadmill Motor Speed Control GoldsGym ProForm Sears 266118 264597. With other words, there is not any stepless driving of the load – just on or off. I should connect the motor to a voltage of 120VDC and only regulate the current flow with the TRF540 ?. which triac did you use? The solution appears to be rather complex. Use a Treadmill DC Drive Motor and PWM Speed Controller for Powering Tools: Power tools such as Metal cutting mills and lathes, Drill presses, bandsaws, sanders and more may require .5HP to 2HP motors with the ability to fine tune the speed while maintaining torque.Coincidentally most Treadmills use a 80-260 VDC motor with … It has 2.5” front rollers and 2” rear rollers that provides a quiet and smooth performance. Constant torque is achieved by the use of PWMs which prevent the devices from unnecessarily heating up yet allowing them to conduct fully during the ON states of the devices.So it's like allowing the devices to conduct fully with full power yet only at the desired slower speeds by breaking their conduction many number of times per second. Get the best deals on Treadmill Motor Control Boards and upgrade your home workout gear with the largest online selection at eBay.com. I have a problem on the kind of project, i would really appreciate any assistance. and does not trip any fuses when switched on. Kindly correct me about the mentioned circuit about these concerns; 1) I need to convert 220Ac to 180VDc and connect the positive to place indicated as +12VDc in the Circuit ! The full bridge circuit shown will only work with NPN/PNP combination, no other combination will work. you can refer to this page for the clear diagram, 2.bp.blogspot.com/-NlmwVsjbhb8/VAf6vEmG21I/AAAAAAAAILo/zED2ylny90E/s1600/motor%2Bspeed%2Bcontroller%2Bcircuit.png. Hi, what is the wattage or current rating of your motor. C $143.33. thanks sir. thank you : the diagram dose not read indicated voltage, but I got it now , the circuit I am using is the one with the 556 ic I only need the single speed. dear sir. the word "simple" was mentioned in context to the subject….compared the complexity of the PWM concept this circuit looks easy that's was I meant to say in the article.. everything is clearly shown in the diagram if you are unable to read the symbols you need to study the basics first and proceed gradually. . I will let you know how it is going. Whether you want to call it running, jogging or walking as long as it's helping you achieve your goal then it doesn't matter. you can try the first diagram for your application but you should have an access to 130V Dc for supplying the motor via the transistor bridge, an ordinary SPDT switch will be enough for the reversal, couple question base on the image here the link i.imgur.com/IxaxT14.png, N1—N6 are the gates from the IC 4049, refer its datasheet for a clearer view. Thanks, Swagatam. It seems the 2 BC547 Darlington is too sensitive to the pot movements. Please and I'm Sorry because i don't know how to make it right. Please let me know how to run a 180v dc 5400 rpm 1.5 hp motor from a threadmill with 220v ac current here in India. 300ma AC and output: 12v 1a DC.. Sincerely, Michael Sakach. Could you sugest me something?Thank you in advance for your answer. If you’re on a budget, keep in mind that a cheap treadmill may have the following drawbacks: Power. 1) my motor max 180VDC 300watts, i need speed controller from ZERO to 160VDC 2) another motor max 130VDC 300watts, i need speed controller from ZERO to 120VDC. . 90-180V 10A. . Any IC 555 will work. .however for driving the MOC you'll need a PWM feed.". With the isolation of the dpdt switch to the 110v motor circuit Im assuming the mosfet at Q1 as well as the diode at d3 will also be moved to the 110v line correct? As expected, it doesn't work. They guy I bought the treadmill from said that Keys replaced his motor controller about a year after he bought it because it had failed. Many thanks Sir for this publication.I'm sorry for dump questions but I'm newbe to electronics.Will this work with my 240VDC/12A motor?How many of this CD4049UBE CD4049 4049 IC Hex Buffer/Converters do I need to order? ""no matter how 220 v is rectified the result will be always dangerous for the lower rated motor…."". Can you help me with this problem sir?Thank you very much. I mean like mosfets. The LED brightness must vary from 0 to max in response to the pot variations. I don't use them in the bridge. Prime members enjoy FREE Delivery and exclusive access to music, movies, TV shows, original audio series, and Kindle books. I hope it will work much better than the previous one. I’ve been looking to build a speed controller for a 90VDC 4 amp brushed electric spindle motor on a Sherline micromill that I picked up. the collector of the transistor should be connected with the base of the "blue" BC547 in the first diagram. Thank you Horacio, if your motor is a 120 VDC then you can use the second circuit, however you will to replace the indicated MOSFET with a MOSFET rated at 200 V drain/source capacity. NERO PRO Electric Cheap Folding Treadmill. 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For 4 months any idea what i dont know is the wattage or current rating your. Of your motor application or any other for instead above sir? you... Using T308 treadmill for home of current at 180V and the motor can be connected with the circuit use... Torque compensation feature say anything about your first circuit, what should those and.