The max speed you will hit in that assist level will then be dependent on the amount of power. So it makes sense that you controller is limited to 28A, this is completely normal for your controller version. In order to start reprogramming your Bafang BBSxx mid-drive system, you will need a programming cable. Solved the problem replaced the controller. Now show the display full range 100%. 7/88/75 My guess is that something went wrong with writing the new firmware. The BBS02B is the newest improved version. It seems the Ultra can really be tuned quite a bit more than what it comes from the factory. Is it possible that my motor is not programmable? This process can be used to fix the error 30 code, unlock your controllers, and switch . Is your screen set to the correct battery voltage? It may not display this or other websites correctly. The little magnifying glass does not offer me other COM. Disclaimer: Reprogramming your Bafang system is not without risk. These are actually one of the biggest batteries that you can buy for diy purposes. Its my first ebike, i rode more than 2000 km since April, but last time I every day rode 500 m abt 20% uphill on level 6 on the throttle on 34 cog, maybe this is the reason. BBSHD/02 Firmware Upgrade $99.00 Many BBSHD/BBS02 motors by the Bafang Corp came with a flaw in the controller firmware which causes a jerky interplay between the throttle and PAS inputs. Connect With Us. This feature protects your battery and is essential to have. You shouldnt lower this value, since this will potentially damage your battery. Geen enkel Bafang display in combinatie met een BBS02 geeft de range aan in KM. Thank you for answer. I have tried to let the LCD control the speed, which I maxed out, and that isnt getting me any more speed. 52.6V would be around 85%. BBSHD program above 30A? - Electricbike.com Ebike Forum Also, what are the stock current limits on the 0-9 assist levels? So that would be really simple! So, I essentially tried all your suggestions two different USB cables, two computers with different operating system generations, different com ports. So they always will be equal. It is interesting that it only started after the controller swap. 2. Did anyone had the same issue or any advice? Note that the system only allows 5 levels of assistance. A tag already exists with the provided branch name. If you dont KNOW that you need this fix, DONT do it. I dont know what the programming cable itself looks like at the BBSHD end, presumably the same as the Display cable. ik heb een vraag of iemand het weet ik heb de bafang bbs02 48v uit china met een 160ntm motor en een accu voor op de bagagedrager die geeft 54,4Volt aan bij volledig opgeladen. So riding along in too low of a gear in the effort of increasing efficiency will create the opposite effect since you then will not be able to put in your own leg power. If you want all the power available, set it to 15A. The only way to figure out what works for you is to try it. He has responded in this comment section as well with some tips on this. The speed limit of the throttle should be equal to the speed limits assigned in the basic tabs. Thanks, it was a defective USB cable. Click load and select the file you downloaded, make sure that you downloaded the right version for your motor (BBS02 750 Watt or BBSHD 1000 Watt). After that you could change the current limit to a higher value (18A is the max). To maximize range, you should pedal along in the assist level that gives you just enough power so thats is still comfortable. So you should attach it to the 26 wheel, or set it at 20 in the settings. This is what you would expect. That is just awesome stuff! Avec cette configuration, encore quelques soucis : -coup parfois, et difficults de relance de niveau 2 3 voir 4. This setting works as a sort of cruise control, If you pedal and use the throttle at the same time, the motor will cut off above 40km/u. If you would like, you can also send me pictures of the motor, controller and bike to: I am really interested in that controller, since I havent found a hub motor controller that can be reprogrammed like the mid-drive motors. The video link is https://www.youtube.com/watch?v=WNmvj9PiZ08. Baud rate, etc? If the display doesnt work, you can try to engage the bike in this way: https://youtu.be/rdsmplS1N10. But if you just pedal along, just like a normal bike, it will be perfectly fine to set low current limits. The only difference will be the firmware and how it interacts with the bike. I will respond to you within 24 hours. thanks for you time and passion in sharing your experiences.My sole purpose to get a mid drive kit is so I can tow my 2 kids ( 7 year old and 5 year old) up the hills when we go mountain biking. You will blow up the controller, so dont do this. Ill see if I can find an accurate gps speedo and match of up to that. However, my bike has a rear wheel hub motor. In general, a full 18650 has a voltage of 4.2V @100% and a voltage of 3.2V @0%. I understand your question. The BBS02 750W will deliver more than enough power. But if you do this, you wont be able to change it easily. By doing it like this, you take the speed limit according to RPM out of the equation. Most of the time, if something is wrong, the load function will not work either. Which display model do you have? So say that for example the current limit in assist level 5 is set in such a way that the maximum power while cruising will be 500 watts. For a fat bike the wheel diameter is close to 29 inches, this is whats suggested, set it to kmph and change the wheel size to 18. You just have to have the battery attached, and if your battery has an on/off button, this should be on as well. Nothing seemed to have blown but I only used it for a quick test ride. Would it work if I changed the speed limit of the secend tab(Pedal Assist) to 40 Km/h ?? Inside is a 48V, 13A controller. When I change the batteries between the 2 bikes, now the first battery shows the wrong percentage on the second bike and the second battery is OK on the first bike! Thanks. Thanks, Giel! I used the same cog for all the test. I am thinking I will set the max amperage very low on certain levels. BBS02 firmware required - Electricbike.com Ebike Forum So if you set this setting really low, then the motor will assist less when you have reached a constant speed. I saw videos with the same kit, but battery with 17ah, 13ah, doing more then 100km range. Ik zou graag de eco mode gebruiken om een road legal setting te maken, en de sport mode om een speed setting te creeren. So for most people, it will be easier to set a limit on the display and set %limit speed to 100% for all assist modes. The low voltage cut-off should be around 32V for a 36V battery. Current A was 20A Je recherche des sites ou des personnes ayant reprogramm ce moteur ou vlo. Start up current, and slow start parameters are key in this. Assist 6 -current limit 80 speed limit 70 Assist 8 -current limit 90 speed limit 50 Assist 9-current limit 100 speed limit 40 In this way on level 5 of the display I have the maximum current with a reduction in speed I also confirm that the two modes of the ECO / SPORT display are exactly the same except for the color change. I do not have PAS setting in the display. I would try to follow the same instructions on another pc. Hi there, i have the Bikonit MD1000, its a 1000w ultra mid drive with an IGH. when my battery level is below around 40 percent , everytime i accelerate from standing my motor will stop working and the screen will says the battery is empty. You can also try to upload the file that I have configured for the 36V version. Normally the gear-sensor takes the load off, but when it comes back it sometimes happens. I recommend 80% because this gives plenty of power when a constant speed is reached. Im still waiting on my cable arriving so Ill let you know how I go. You should not have to do anything with baud rate, etc. Download the correct file according to your Bafang motor version. https://bafang-e.com/oem-area/components/component/motor/rm-g060750dc/, https://www.youtube.com/watch?v=WNmvj9PiZ08, https://www.dropbox.com/s/0ak55h0vmhwe1hm/BafangConfigTool.zip?dl=0, https://drive.google.com/drive/folders/1bBOGwk5FauKVbFH0n-nvE_cDWb-SCHCr?usp=sharing, https://forum.velotaf.com/topic/28285-programmation-kit-moteur-pedalier-bafang-bbs/, https://electricbike-blog.com/2017/11/23/i-void-warranties-hacking-the-bafang-ultra-max-mid-drive-ebike-drive/, https://endless-sphere.com/forums/viewtopic.php?t=93000, Connect the programming cable to the display cable, Plug in the battery of your e-bike (and turn it on), Plug in the USB cable of the programming cable to your desktop/notebook. Only increase the settings in small steps and do intermediate test. nicht. Choose the one you like best. There is no possibility that you damage the motor with this setting, dont be worried about this. This is a problem lots of very fast ebikes have. Therefore it could be possible that you destroyed your IGH with the power of the BBSHD. I have had bad controllers, but I have never had one fail during or before a reprogramming procedure. I therefore cant really help you with this. restructured firmware project for multiple targets and implemented su, https://github.com/danielnilsson9/bbshd-fw/releases, https://github.com/danielnilsson9/bbshd-fw/wiki/Flashing-the-Firmware, https://github.com/danielnilsson9/bbshd-fw/wiki/Configuration-Tool, https://www.paypal.com/donate/?business=LVAYFCMQYN8F4&no_recurring=0&item_name=BBSHD-FW¤cy_code=USD. I have two questions: Good luck! elaborate it further? If all this didnt change anything, my only guess would be to purchase a new programming cable. Just want to say that I REALLY appreciate what youre doing, taking time out of your day to explain help people out. This is absolutely normal. John. The 100% speed limit, you might as well change to 0%, this doesnt matter at all. (3.54 MiB) Downloaded 1033 times Thank You! I prefer setting my display to 5 levels. First: You accept all responsibility for performing any or all of the steps below, and if your stuff explodes in a supernova, or simply fails to ever work again, sorry about that, I cant help you there. My question is: I have a motor of 48 V and my battery is 52V have any consequences if I will used it together? I have programmed to your suggested settings. Watthours are calculated by multiplying the battery voltage with the battery amp hours. This tutorial is only for changing certain parameters. Upon receiving this built bike from the company, I was stuck at 15mph. This is the only setting that makes sense because its convenient to be able to change this in the display settings. If not: do you know a way to change the settings of the M420? Hi, I really appreciate your advice . You could read the settings on your controller and back those up first. If that would be the problem, the display would cut out as well. 4. I have a Bfang BBS02b 48V/750W. You can try to connect your friends display to your motor, and see if that fixes it. ***EVERYTHING*** I know about this, all the information I have about this, is here in this thread; please dont PM me for more info (I dont have any), just ask in this thread, and maybe someone else will know. The Bafang motor is meant to be a closed system. Fiets net klaar, en nu wil ik alles een beetje gaan fine tunen. I wont have a video available in a while, this will be something that might come available in the long run. So this is not something I would recommend at all. User manual download for iMortor 3.0 Ebike. You are now ready to test your new configuration. I have no experience with the M400, so I unfortunately cannot help you with this. The tuning method is only possible on Bafang BBSxx series motors. Yes, you could lower the controller maximum current. These work together like intended en will not put extra stress on the motor. Check all the connections and make sure they are connected properly. Another thing to consider is that most of the time, the display will display a wrong battery percentage. If you take good care, nothing bad should happen and you can really customize everything to your liking. I found it really annoying that the motor would stop assisting at different speeds, at different assist levels. stc-isp-15xx-v6.86E.zip I have 48V/250W/14ah Bafang m400. Hi Giel You can ofcourse also change it using the programming software. Which often is more accurate than the display does. Having more drag on an e-bike is normal. I fixed the issue, thanks for letting me know. Like you Im knew to this setup so if you ahve any tips feel free to share! Could you please tell me if this is how it would work, or what should be changed? Le dbat est lanc sur cette configuration et / ou le ETH1861 avec M400. If this happens, the motor is cut-off. No, the BBSHD is designed for 48V. I think a better approach would be to set max speed just above user preferred rpm. You may have one of the following problems: You dont have the necessary usb drivers installed. 54.6V corresponds with a 100% full 48V battery. There are quite a lot of steps and you could possibly brick your controller. There is only one version of the controller you have. If you want to increase performance further, you can increase the general current limit. But to answer your question, levels 1-3-5-7-9 correspond to 1-2-3-4-5. You should try and fix the problem of the error code first, before you try programming. I cannot be held responsible for any injuries caused by the use of this firmware, use at your own risk. A higher current will result in greater torque. Its strictly a feature of the mid-drives. The Bafang configuration tool link says the file is in your trash. CRR10E4830E105001.1_190413-1.txt Herve What is your recommendation. These are some questions that might can help me think about something that went wrong. I know both batteries are full because the voltage reads 52.6. Lets say at PAS 1 and 4th gear the torque available at set current% is not enough to turn the motor without additional human power. If you want the best reliability, you are indeed better of keeping the maximum current at 18A. . I tried coms 1 through 4, then even higher numbers. For a better experience, please enable JavaScript in your browser before proceeding. The first question I already answered in another comment of you. So dont be to worried about it, if you always pedal along and use the throttle in short bursts (like you state) you will be absolutely fine. Outputs and see if I have voltage present , I think there should be 5 volts at the throttle. This setting will decide after how much throttle movement, the throttle will respond. Assist 2 40 / 100 It definitely drops almost immediately like is related to a setting. I would just keep the current limit of PAS 0 on 0 however. It makes shifting gears really fool-proof. I dont really know the settings in my old controller. City Bike HomeElectric BicyclesE-Bike Non-hub Motor DrivesSearch Compare this speed with the speed on display, if they are within a maximum of 5 km/h difference, its all set correctly. This controller does not accept throttle. This setting will decide how fast the motor will stop assisting when you stop pedaling. I think its best that the power goes to 0 when you stop pedaling instantly. And if you want the motor to stop straight away, you just hit the brakes. Since with that much power you can easily strip gears when you dont select the right gear. So in your case it indeed should be attached on the 26 wheel. If your display doesnt support a 52V battery mode, your battery percentage indicator will be useless as well. Unit is a one of the best built e- bike kits out there but sadly the controller lets it down badly.A lot of kit builder are now moving away from the Bafang controller On the BSSHD and fitting more powerful and user friendly alternative available recently,And we all know support from Bafang is non existent which is unfortunate. So I also think its just bad luck. How to Program your Bafang Controller - Step by Step Guide (2021). PS: Anyone looking to buy a used BSSHD controller with the throttle mod done. You dont have to do such a speed hack for this. Whats the point? Therefore I recommend 18A, since it is a good compromise. Hope this helped you, if you have any further questions, let me know. Does the throttle do anything in your assist level 0? Back on the road again and all going very well. BBSHD firmware | Electric Bike Forums - Q&A, Help, Reviews and Maintenance You should set this at 44 instead of 41. Its not a big problem that you already bought a replacement controller. mijn vrouw heeft een amslod met de M400 die ziet hey wel. So I would just recommend to change it on the display everytime you want go riding in the city. I should have broke apart with a flat screwdriver first!! If thats the case, there probably is something wrong with your display. . The parameters you can use and set are all described in the post. Maybe some mosfets are blown inside. The Bafang kits indeed comes with 44T or bigger chainrings. Can this trottle be used as a full gas or its just for assistance? If you set this to a higher value, your bike will have more power. Will it be ok to use the settings you provide or should i change anything else in the settings or reduce any of the settings? I intended to use this on a touring bike. 25 amp upgraded IRFB3077 mosfets controller (up to 1300 watt with 52 volt battery). Hardware version: V1.5 If it then does work, you then know for sure that your pc will not work for some reason. I loaded factory settings, it didnt help and I returned to yours. All these settings that are recommended here are the same as in the configuration files above. BAFANG | Home AS AN AMAZON ASSOCIATE I EARN FROM QUALIFYING PURCHASES. I have a 36v 500w bafang mm g340.500 07 motor. 24.5ah battery 48v. If the firmware is really damaged, you could be in trouble. Thanks. Which settings should I assign to the 9 assistance levels so that they become 5, to always have the maximum engine torque, but with reduced speed?
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