I have applied all of your secret sauce settings to the road profile, and I suppose I can move them to Offroad and dial back the speed limit for Road, though Virginia hasn quite buckled down with laws, and I ride on roads rather than bike paths, so a 30-35 mph bike is OK for now. Just for your Information. Type COM4 into the window. I do not see the profiles or the pdf file. 18 amps is safest this is my setting and no problems. The biggest problem with the BBS02 is when it is turning under too much load at too low of a speed. Hi, Win 10 connected first time. To connect to the controller of your electric bicycle from Bafang BBS series you need a PC, USB to Serial adapter and some wires with small female pin connectors at the end. Check. Program at your own risk. I strongly recommend setting this to 5, especially if you want to use the PAS system without using ebrakes. Get the best deals on BAFANG Electric Controllers when you shop the largest online selection at eBay.com. Pedal Type: DoubleSignal-24 \ DoubleSignal-24 \ DoubleSignal-24 \ DoubleSignal-24 \ DoubleSignal-24 – Unknown. Speed limiting is done based on motor RPMs not road speed. JavaScript is disabled. The Bafang BBS02 and BBSHD cope with rather frequent controller failures. One way that the BBS02 middrive unit shines over other competition like the Bosch is the ability to program the controller yourself. How to program and adjust the settings in the Bafang DPC-18 Display. Poor programming from the factory and low quality mosfets made a perfect storm for many blown controllers … The lower this setting is the sooner the drive unit will start cutting back on the power as you pedal faster. Keep Current(%): 60\60\60\60\80– What this setting does when set at 60% is ramp the current down to 60% of the PAS level selected based on pedal cadence rpm, so at low pedal cadence you get 100% of the level selected but as your pedal cadence increases the power is reduced down to 60%. Applicable to Stunner, Stunner X, Juggernaut Classic models. BBS02B 48V 750W 17,5Ah. “Users can change the LVC, change the current level (reduce it preferably)”, “Users can also change the speed limit to be controlled by the display (but that does leave the kit more liable to blow).”. The quality control specifications were very tight. Asst4 Limit Spd(%): 65/65/60/100/65 -Power cut based on motor RPM speed at power level 4 if set to 9 power levels. Has been serving the community well for years. Too complicated, now I DIY & brought a Bafang M620.G510.1000w, 48V 15Ah battery First of all thanks for all your efforts and instruction!!!! Guide written for windows 7 64bit operating system 1. This can be set all the way down to 1, great for IGH bikes and smoothing out power delivery. Post navigation Previous Previous post: E-Bike Conversion – The Build I have seen that many have blown these 02 controllers, so this could be a smart solution for this medium mid motor? (really annoying) Any settings that can be changed to keep the motor at 1000w for longer ?? Posted on 13.01.2016 03.10.2020 by Penoff Posted in E-Bike Conversion Tagged Bafang, BBS02, bicycle, bike, e-bike, programming, software, tunning. Skip to navigation (Press Enter) Skip to main content (Press Enter) Enquiry ⁄ 0 EN. And the fits perfect. Although the process of programming the controller will void any warranty that you got with the unit, to many people the risk of voiding their warranty is outweighed by the possibility of getting more performance or having the PAS settings more to their liking. How can I make less violent and more progressive the initial push when the controller give current to the motor after the first pedaling? You can also but an “original” USB programming cable but it is just overpriced USB to Serial adapter with the proper connector for the cable on your BBS controller. Sometimes the serial connection is unreliable and a variable will have a totally wrong setting or garbage in it. Thanks so much for such an outstanding resource! I’ve made up new 1.5 mtr flex USB TTL to Bafang 5 pin green cable, works ok. 28 volts is best if you don’t want it to stop too early. If you want max power and torque then set the Throttle Handle to Speed Mode. This setting disables the PAS if it is set less than 5. Along with this flexibility comes taking responsibility for the controllers and drive units we end up destroying by tweaking the settings. You should limit the current to 25 Amps for the 750w BBS02. Bafang employs about 700 staff worldwide in … You are now leaving the BAFANG Consumer Page and are automatically forwarded to the BAFANG OEM AREA. I use BBSHD for my bigger GT Fury downhill bike, but for my Mondraker enduro bike the 750w 52v bbs02 is a perfect match when it comes to size and power. At this point I’ve set all my drive units to the “Karl’s Special Sauce” settings which is the only way to fly if you want max throttle power without blowing your controller and PAS that actually is usable. The controller of the BBS01 is built with similar components as the BBS02 and BBSHD controllers though. Current limit is set to 25A, so hope this setup will last for many years to come:-), Pingback: BBSHD Settings For The Pedaling Cyclist – Tales On Two Wheels. ( Log Out / I’ve never had garbage persist through 2 READ clicks, it always seems to get it right on the 2nd try. return (kg) 12/10/7/5/4/3 Hello, Bafang 1000w can you get a 72V battery? Did you resolder connectors? Personally I prefer the intensity of the speed setting, although setting this to Current will be much easier on your controller. If you use an aftermarket throttle you will need to test to see what voltage the hall sensor throttle is giving off at full throttle and set this number slightly lower than that voltage shown on the meter (times 10). My commute is very steep, 20% heals and above. Iḿ using one of Paulś 13.5 52v batteries as the power source. Lower number is less pedal movement to start the motor. I am trying to build a small (18 foot) row boat to travel the waters of the Amazon river and its tributaries. I could have done it without you but the results would have been really laughable. Change ), You are commenting using your Twitter account. even my 52t chainring and 700c wheels set for speed; often chain skipping on smallest gears is the problem even only wax and non stiff chain, hopefully a better derailleur will help further with this. If your display is set to only use 3 power levels then the controller uses settings for Asst1, Asst5 and Asst9 and ignores all the rest. If you use them with a BBSHD make sure to change the Limited Current(A) on the first page to 30 amps. I have also solved the issue with destruction of cassettes with the BBSHD, buy steel cassettes and fill them with super epoxy:-) I have shares some of my projects: https://flic.kr/s/aHsmSuPT3G. Bafang released the source code and Stefan Penoff (Penov) took it and made it better. Very nice improvement! PS my DIY coming & I do not want to blow the controller on the 1st day run. Hey Karl why I should not put the limited current lower than 30 if I have a BBSHD? At power level 0 causes the controller to lower current gently to maintain motor rpm when 44% of speed limit is hit. See the Bafang … It may not display this or other websites correctly. $14.95 View Product Bafang … You say “I would not advise using Kepler’s settings at a full 25 Amps, as you are asking for trouble. Any thoughts on this idea? If it is set to 5 levels than it ignores every other power level setting (but uses Asst1\3\5\7\9). 2. The max speed limit of the display is 45 mph. Can you really blame him? The easiest and safest way to jumper them together is to just plug in the bafang programming cable and you are set. I have used this programming for all my bbshds and it has worked out well, but my bbs02b doesn’t start fast and seems to revert back to it’s old programming after I remove the battery. Thanks It’s a bummer, but I intend to go to phaserunner anyway. I tested with Bbs02 motor and bbshd controller produced 2019/2020. If you change the throttle you will need to find the new lowest setting. I have not found that there is any way to destroy a stock BBSHD by overheating, but I do not live in a hot climate. There’s not much point adjusting “Limit Speed” in this scenario. Bafang, one of the leading manufacturers of e-mobility components and complete e-drive systems, has been developing components and complete systems for electric vehicles since 2003. 2 = 3+4 identisch The controllers take 5 minutes to swap out, nylon gears it’s more like 45 minutes. It only knows that you are pedaling or you are not. Does bbshd controller it fit also bbs01b as shown on photos ot it’s just a useless sticker? This might not be a problem for you. Asst3 Limit Current(%): 64/30/64/30/64 – Power cut based on road speed at power level 3 if set to 9 power levels. If you don’t disable the PAS system then you should probably set this to 9. All variables will be automatically set on all three pages and you need only to WRITE FLASH to write it to the controller. You can too if you visit here and are good at following instructions and soldering. When Bafang switched to the 9 Mosfet unit and bumped the power up to 750 watts for the US market they did not replace the poor quality mosfets in the controller with ones that could take more power. Limited Current(Amps): 25/25/18/18 to 20/25 This sets the power level that the drive unit will pull from the battery pack. I’ve tested it pretty extensively and emailed back and forth with Penoff who seems to be a stand up guy. Here is a video outlining the programming procedure. Program connected to the cable OK. At least, the program status changes from showing the 'close' button as greyed out, to normal, like this: I can disconnect and reconnect the program to the cable reliably this way. The Lectric Cycles settings has a jumpy throttle and a little throttle delay which could be corrected by switching the Throttle Mode to Current. Why is the line labeled ‘40%’ out of order and well above the rest? This is not addressed in your programming guide. Probably you need a smaller front chainring. Back then I saved it before reprogramming (with controller) but after a PC problem everything was gone would be great if someone has the original settings. eg Eco, Eco+, Normal, Power, Power+ Asst4 Limit Current(%): 70/40/70/40/70 – Power cut based on road speed at power level 4 if set to 9 power levels. Change ), You are commenting using your Google account. Asst3 Limit Spd(%): 58/58/52/100/58 -Power cut based on motor RPM speed at power level 3 if set to 9 power levels. The color of the variables are what defaults from various drive units as well as the .el configuration file for each vendor. Full(kg) – 50/45/40/35/30/25 Asst1 Limit Current(%): 52/20/52/10/52 – Power cut based on road speed at power level 1. The 2020 Bafang Ultra controller is stable, efficient and easy to program. I was thinking maybe to get the same controller but go down on the mid cog, from 42T to 36T or so. The higher the number the greater the power applied to each rotation. Current Decay(1-8): 4\8\6\8\8 – Determines how high up the pedal cadence rpm range it starts to reduce power, 8 being the highest. Bafang DPC18 Display Programming. Asst5 Limit Current(%): 76/50/76/50/76 – Power cut based on road speed at power level 5 if set to 9 power levels. Too low and the display will throw an error as the motor will want to run continuously. It seems clear that they never intended for the end users to be programming their own controllers, only ebike ‘dealers’. Kid tested, mother approved. Asst2 Limit Current(%): 58/20/58/20/58 – Power cut based on road speed at power level 2 if set to 9 power levels. So i just built a bbs02 MTB and am having a blast, tried the suggested settings and it was not assisting foer a while after takeoff. This might affect at what rpm peak power sits in PAS operation, changing it doesn’t seem to be noticeable so we advise to leave it alone. When you edit the variables you want you will then need to click the WRITE button for each page you change or WRITE FLASH for all pages. Stop Decay(x10ms): 0\0\0\20\0 – The amount of time the system takes to cut after pedaling stops. Next, launch the Bafang software. It seems that the speed limit is locked on the controller. Start Current(%) : 10\10\10\10 to 20\10 – Percentage current of available when throttle initially applied. Thanks for this write-up. If you have a BBSHD make sure that this is set to 30 and no lower. cancel I would click the READ button again on each page after waiting a few seconds to make sure that the settings you changed were actually written to the controller firmware when you clicked WRITE. Drive systems; Components. Q2) what the best equivalent setting for 5 PAS selection that it similar to other ebike system Does this statement apply to BBSHDs? You do not need to lower the amps on the BBSHD, it can do 30 amps all day long without breaking a sweat. Was wären denn deine Idealeinstellungen die man machen sollte wenn man das Bike bei 30 km/h abriegeln möchte und wert auf eine gute Mischung zwischen Leistung und Reichweite legt??? Cur Decay – 3/3/3/3/3/3 The programming cable allows you to hot rod your BBS01 & BBS02, and BBHD controller, and play with all the different setting available. For a 26″ fatbike tire that is about 18″. Apparently all new bbshd’s are limited that way now, in the last few months. On the C963 display I have still not figured out how to set the display to 9 power levels, so you may be stuck with only 5 PAS power levels with that unit. Start Voltage(x100mv): 11\11\11\11\11 – The is the throttle input starting voltage, the point at which the controller responds to input is at 1.1 volts, so set value to 11 which = 1.1 volts. The company focuses on all global e-mobility trends of the future. Leave a rating If you own a Bafang mid-drive motor you may want to change a thing or two in the controller programming. A quick note on power levels. Not sure why. PS! But, the Stefan Penov Bafang Control Tool (v2.2b) suggests in the “Infos” section that: 1=2; 2=4; 3=6; 4=8 and of course 5=9 for the DPC-14 / 850C. The speed limit only applies to the PAS and in ignored by throttle input, so in other words, if you want to go past the speed limit, just use the throttle. I then rely on the Limit Current Assist level to fine tune the max power best suited to bike.”. Speeds programmed for speeds 0 – 20 – 40 – 60 – 80 – 100 Yesterday I broke my bbs02 750w controller, and almost ordered a new one from AliEx. If you want to download his application you can do it through his website here. For a better experience, please enable JavaScript in your browser before proceeding. This can be set all the way down to 1, very useful for IGH bikes and for people wanting a more gentle start. The maximum accepted is 20. Hi! It is a useful way to extend range. I am in the UK and I have just converted a Giant Roam using a Bafang BBS01B. Kepler says, “I prefer a smooth stop transition. Extract PL2303HX to a local folder on your machine and run the install for your operating system version. It jumps from 150 to 300 mv @ 15-20 kg. This guide is a way to share information that others have discovered the hard way, but by no means is definitive. Although the process of programming the controller will void any warranty that you got with the unit, to many people the risk of voiding their warranty is outweighed by the possibility of getting more performance or having the PAS settings more to their liking. Special Sauce Basic Settings for the BBS02, the BBSHD would want 30 Amps. 4 = 7+8 identisch Conclusion of the Bafang Ultra programming. If set to By Display’s Command then it uses the Display’s set speed limit. Even at 18 amps the 750 watt motor keeps up with an 8T geared MAC hub motor that is pulling 1500 watts. Factory setting is 18 amps. Motor HMI Battery Sensor People who create software are programmers. start (kg) – 15/12/9/6/5/4 If you fry your own controller then have the common decency to spend the time and energy to fix it yourself or just suck it up and buy another one. Com. The throttle might not work in PAS 0 unless this is set to at least 1, it is really nice to have a hand throttle setting without any PAS intervention. The controller of the BBS01 is a lot more reliable than the BBS02 and BBSHD. Free shipping on many items | Browse your favorite brands | affordable prices. I´m not sure, but I think that section is for Bafang motors with PAS torque sensor, like the Ultra Max. Thanks for your awesome guidance on this. Work Mode (angular Speed of Pedal/wheel*10): The lower this setting is the sooner the drive unit will start cutting back on the power as you pedal faster, Matt suggests you set start voltage to 11 and end voltage to 4.2 for a wider range of throttle response and smoother control of motor output, Click to share on Facebook (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Reddit (Opens in new window), Click to email this to a friend (Opens in new window), A Hacker’s Guide To Programming The BBS02 & BBSHD, View electricfatbike’s profile on Facebook, View UCjtG_I4Gmj-XPJCjceU9DIg’s profile on YouTube, Intrusive Chainstays & Non-Standard BB Size Issues, Improper mounting and alloy frame failure, Nylon Gear Failure From Axle Grease Seepage, Replacing The Nylon Primary Reduction Gear, California e-Bikes 100mm BBS02 Drive Unit & Kit, AC Inverter + Batteries = Portable Generator, Buying Batteries from the US at China prices, Road Bike BBSHD 1000W 8-speed 36lbs ~$1200, Bullseye Bluto Pro 10-Speed BBS02 46lb ~$2049, Deadeye Monster Single Speed BBS02 42lbs <$900, Bullseye Monster 8-Speed BBS02 46lbs ~$1750, Ace Single Track Full Susp BBS02 9speed 40lbs ~$1500, Cheapo Commuter BBS02 8 Speed 45lbs ~$780, Walmart Dolomite 7-speed 59lbs BBS02 ~$700, Deadeye Monster 6000W Ascent Nexus-3 IGH 45lb $2868, Sniper Full Susp Ascent 3000W 10sp 46lbs $3520, Deadeye Monster Cyclone N171 57 lbs ~$889, Soul Stomper 3 Speed IGH Cyclone 63lbs ~$1268, Luna Apex 2500W 28Ah 2500W Ultra Max $5499, Luna Rhino 5000W Cyclone 3Sp IGH Cargo Fatbike $3350 80lbs, Luna Giant Anthem 2 BBSHD $3779 Ludicrous 50Amp opt, Luna KHS 3000 10 speed BBSHD Ludacris $2849 50lbs, Luna Ruckus $1899 65lbs BBSHD 8 Speed 50Amp opt, Luna 96v Custom Apocolypse Racing Scooter, Luna Apocalypse 3000W 2WD 35mph Kick eScooter, Biktrix 2016 Juggernaut BBS02 7 speed $2499 USD, Sondors ebike Single Speed 59lbs 350W $499 + $194 Shipping, Sondors DIY 12T Mac AWD 2600W 74lbs ~$1871, Felt LEBOWSKe 11 speed 48lbs Bosch 400W $5799, e-Fatbikes Reviewed by Electric Bike Review, 30′ Tall Puppet and 4 Person Mutant Ebike, Programming The BBS02 & BBSHD Without Frying Your Controller And Losing Your Sanity, Troubleshooting Problems On Your BBS02 Unit, Duh Banana Bike – Deadeye DIY BBS02 41lb Single Track e-Bike $765 (w/o batt), E-Kit Installation on GT20 - DT Recumbents Blog, Best Electric Conversion Kit for Recumbent | eBike Choices, BBSHD Settings For The Pedaling Cyclist – Tales On Two Wheels, A Hacker's Guide To Programming The BBS02 & BBSHD. Image from Ken Taylor on Endless Sphere. Instructions on how to do this are here and it takes about 7 minutes to do and costs $2 shipped. End Voltage(x100mV): 35\35\42\35\35 – You can set the max range to 42 which is the max input the controller accepts from throttle input 4.2v. Wheel Diamter(Inch): 26/26/26/26/18 – Set this to whatever your wheel diameter is. Hi, my bbshd have a 28A Controller. Restart computer. If you set this less than 10 on the v2 of the BBS02 controllers then your PAS will not work properly at all. Update: The BBSHD is programmed the exact same way as the BBS02 with the exception of the Limited Current (Amps) which should be set to 30 not 25. The motor does not know how hard or how soft you are pedaling, it is not assisting you, it is not reacting to your behavior. But then I got an Idea, could my old BBSHD controller work? If you set this to 9 be aware that you can and will fry your controller if you are in too high of a gear on too steep of a hill and you peg the throttle. In my opinion the PAS on these motors are useless for trail riding. 100% Limit Speed at every PAS level at is going to put a serious load on the cheap-ass controller mosfets. A smaller chainring is critical for singletrack riding controller conservation. Iḿ programming an Eggrider V2 on a BBSHD equipped Anthem commuter bike. I suggest clicking the READ button twice before you start changing the settings to make sure it read the controller settings correctly. You do not need 25 amps for this motor to perform.”, “ I agree that 18 amps is a good all-round setting. This programmability function makes the Bafang BBSHD even more versatile, you can really tweak it to your liking. Couldn’t understand why you filled it with epoxy at first. I just need to limit the current to 25A. I think people would be more comfortable with the phrase "changing settings", as that is what we are doing. hi,I need to upragade my controller how can ı? This variable will be set lower than 25 if you have a BBS01 or a BBS02 with a lower power level rating than 750W. Use the links below to download the Bafang Display manuals and watch the Display installation and programming videos! Bafang DPC-14 Display Manual. If you are running a 48v nominal pack you’ll want to set this a lot lower (like 38v) to keep the drive from shutting off when the pack still has a little juice in it. I can’t modify my BBSHD voltage cutoff settings past 43v lower than 38 or something and I’m stuck on 28amps but I can go lower.. I’m using a 52v battery is that ok? It seems to work fine, but have not tested it on the tracks yet:-). Change conservatively, make small incremental changes and test rather than large ones. What setting is the legend referring to? Many US vendors will be resistant to remove the 20mph speed limit as that may make them liable for any accident you are in with their motor. Start Degree – 1/1/1/1/1/1. BBS01 is not very relevant for this if you ask me:-). You are using an out of date browser. Asst9 Limit Spd(%): 100/100/100/100/100– Power cut based on motor RPM speed at power level 9 if set to 9 power levels. It is on or off. Bafang DPC-18 Display Manual. Asst0 Limit Current(%): 1/0/0/100/1 – This is the setting for the PAS at level 0. Speed Limited: By Display’s Command \ By Display’s Command \ By Display’s Command \ By Display’s Command \ By Display’s Command – Cuts power when the road speed from the mag sensor hits the number set here. I have used these on road, enduro and DH bikes. Another strong recommendation for not frying your controller is to install a temperature probe. (Click here for programming guide) If your BBS02 does not work it's not necessarily the controller that is bad, you could have also damaged the nylon gear or melted the windings. Answering my own question, following some experimenting – for the DPC-14 / 850C used in 5-level mode, not 9-level mode – 1=2; 2=4; 3=6; 4=8 and of course 5=9. I have hundreds of hours beating the living piss out of my drive units with em3ev’s and Lectric Cycles settings with no complaints and no controller failures. You must set limit speed to 1 as well as well as setting the Designated Assist to 9 on the throttle page. Is this bbs02b? Don’t program your controller, fry it, then try to get it replaced under warranty pleading innocence. i can only guess that the wheel diameter affects all the tables in the pas settings. Hi there, just fried my BBS 02B controller a month ago and looking for replacement. In some ways it’s great that we can get into the software and change so many of the settings for the BBS02. It offer wide range of input voltages from the batteries 48V – 60V and deliver outstanding raw power. IMHO, "programing" Bafang controllers a misnomer and excessively techie. You will need the program cable, and program software, available by logging in and clicking Download above.You will also need a Windows computer to run the software. The controller is from 2020. Kepler notes, “I use 43V on my 14S 4P 18650 pack setup”. Startup Dgree(Signal No. I have 8 BBS02 controllers from various manufacturers and I’ve only had one controller failure from the first one I bought from elifebike. So it has no effect in the BBSHD. There are some inherent non changeable issues, motor engagement on start and low cadence low power motor assist been inconsistent. $350.00 View Product Bafang BBS02 and BBSHD Programming Cable. $19.95 View Product Bafang BBS02 ChainRing 44, 46, 48 or 52 tooth. Post was not sent - check your email addresses! Matt from Empowered Cycles has this to say: “I recommend 18 amps in most cases. Start Current (%): 10\50\40\30\10 -This variable is vital for not killing the controller. You still get amazing performance, prolonged controller life, more charge cycles from your pack, more range on your rides. Low Battery Protect(Volts): 41/41/41/41 to 43/41 – This number will change based on the pack size and configuration. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. Fortunately, the BBS01 doesn’t have these same problems. Program and instructions are great. You can alter settings like maximum power, PAS behavior, throttle behavior, and more. Is it possible with this USB cable and the software to unlock the speed limit? Asst2 Limit Spd(%): 51/51/44/100/51 – Power cut based on motor RPM speed at power level 2 if set to 9 power levels. If your bike is in a rental fleet and don’t want to deal with fried controllers then you should set it to something much lower like 6. Asst0 Limit Spd(%): 1/0/0/1/1 – At power level 0 causes the controller to lower current gently to maintain motor rpm when 44% of speed limit is hit. If you are in too low of a gear to start and this variable is set too low it can blow the controller. Possibly a problem with swapping over those HD controllers may be the changes Bafang made to the size and shape of their newer versions – will they all interchange? As you pedal faster the motor does less work down to whatever this number is set to (60% of max current or 15 amps on 25 Amp system). You can click READ for each page but it will only load the current settings on the controller on that page before you change them. At higher speeds your batteries get used up very fast. I prefer the 34T Raceface narrow\wide ring. All the information here could be wildly inaccurate as no one that I know of has gotten any real technical guidance from Bafang on how to program these units at all. So “Limit Speed” would just reduce my top speed, or god forbid I’d have to pedal. UPDATE: A hacker from Norway named Penoff used the source code and completely rewrote the Bafang programming software. I used epoxy because the sprockets in the cassette bends under hard pressure when the chain is off axes. Asst7 Limit Current(%): 88/70/88/70/88 – Power cut based on road speed at power level 7 if set to 9 power levels. Matt suggests you set start voltage to 11 and end voltage to 4.2 for a wider range of throttle response and smoother control of motor output. Sorry, your blog cannot share posts by email. We are happy to announce that we are now the exclusive North American distributor of the Archon X1 controller for the Bafang Ultra drives. also maximum amps for 36v 500watt BBS02B Maximum is 25 amps, what would safe value be? My commute is essentially a large hill, so heading up hill, when the motor is under load, motor RPMs are high, but speed is low. The Eggrider includes a programming section for ¨BBSHD Torque¨ It includes settings for. An excellent motor would be a brushless moter for these 5 knot row boats. Designated Assist: 9\9\9\9\9 – If you disable the PAS system (step 5 here) then this will give you the same number of levels of throttle power as PAS settings. Asst8 Limit Spd(%): 93/93/92/100/93– Power cut based on motor RPM speed at power level 8 if set to 9 power levels. So far, so good – but I have a question relating to the PAS settings in so far as I am preferring to have 5 levels in use, rather than 9m levels: The Bafang PDC-14 manual states that using 5 level: 1=1; 2=3; 3=5; 4=7 and of course 5=9. As you begin to roll on the throttle the voltage moves up from zero and when it reaches 1.1v the motor begins to turn. Access the custom program settings to dial in the performance of your drive Make your factory drive as fast and as responsive as you like it. There are 3 different displays which all have different settings on them and ways to set different variables like wheel diameter, speed limit and PAS levels. I always set this number so that if the display is set to show kph that it really shows mph instead. If you have an internally geared hub, I recommend 15 amps and changing the “start current” on pedal assist and throttle all the way down to the lowest setting of 1. Are there settings, you are aware of that I should adjust?’Thanks for any feedback you can provide. Controller Programming I Void Warranties : Hacking The Bafang Ultra Max Mid-Drive Ebike Drive There is half a dozen low power torque sensing mid drives on the market right now that advertise themselves as being between 250 and 750 Watts.
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