9 FET 72V Infineon Brushless Controller (LYEN's Edition) $89

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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby NeilP » Thu Nov 07, 2013 11:36 am

Which software? the one from Lyen or XPD? XPD comes with some default parameter settings

No software we have can download settings from a controller.

https://www.endless-sphere.com/forums/v ... =2&t=27927
Last edited by NeilP on Thu Nov 07, 2013 11:38 am, edited 1 time in total. View post history.
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby Allex » Fri Nov 08, 2013 4:01 am

I wanted to change some settings on the Lyen 9Fet
But I did not know the default settings. Lyen gave me now a few files. It worked to change the current and speed modes. But I have a hick up now. When accelerating it cuts off and than after a second it accelerating again and cuts off. It did work fine before the flash. Thought it was the LVC first but it is set to 29V I am running 37LiPo.
What could it be? There is a bunch of setting that I do not understand in the Lyens update software (i did not touch them)
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby NeilP » Fri Nov 08, 2013 7:01 am

Try downloading XPD. Far better software.

As for cut out... Does your battery pack have BMS? Is that cutting out?

Block time maybe high, so giving acceleration, then cutting back after second or so?
Try setting block time to 0.1 second. May not be able with Lyen software, but you can in XPD.

Or a Cycle Analyst ? Maybe you have settings on that, thst are lower than the controller setting
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby Allex » Fri Nov 08, 2013 9:40 am

Thx Ill give blocktime a try.
No BMS
No CA
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby Allex » Mon Nov 11, 2013 3:33 am

What about speed settings. What happens to the controller when I program one speed to 115%?
I noticed, in this setting, the motor spin first up, and after it has a stable top speed, it ramps up to the given 115.
Feels like this functions is kind of a second gear. How effective is it really, and can I damage the controller with this setting?
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby versus » Thu Jan 23, 2014 3:17 pm

The brief.
I am from Russia. So sorry for my English and for my decision to put this info here. May there is more right place on this forum for my post ...
I got ill by e-bike one year ago. But I did not have any experience about it. I found a friend on our russian e-bike forum http://www.electrotransport.ru . His name is Denis and he is from Ekaterinburg city. He gave me a lot of information I was needed and also he said if I want the best, reliable and no issue controller I shoud buy it from Mr. Lyen.
I did it and finished my e-bike last December only. It took me to long because I soldered 96 a123 cells together with 10awg cable so it was very hardworking for me
Instead of a lot of pleasure from riding I got a lot of troublles ...
I had negative experience with the controller is selling in this topic and relation (support) the seller to me.
So here is my history and contacting with the seller.

One of my emails (the main one)
Dear Mr. Lyen,
Sorry no time to answer you earlier.
I used info from your sticker on my controller to set Rshunt in CA. It is 2.000 mOhm.
Then I connected wires according your advice and started my motor. No load current was about 10А instead 4-5А as you said.
I write you about it and went to our Russian forum to ask everybody why I have so big no load current. There I got info that my actual wires combo is wrong and I must find a combo with 4-5A no load current!
I spent ONE day in changing 36 wires combos and got that only your combo is right working.
But there was 10A no load current with this combo!
My friends and I were confused about it and tried to use ampermeter to measure no load current and we got 4.5A with it.
Then I saw that your sticker is wrong and Rshunt-2 mOhm is not right value for CA. I set Rshunt 4 mOhm and CA gave me right no load current 4-5A!
I lost one day for it!!! And spoiled some nerves.
Then I went to test my e-bike with the controller’s firmware installed by you.
My bike did not want to ride! No dynamics, max speed 35 kmph took to much time to get it. 15А max current and 450Wt max power in pick of load. No uphill was possible.
I was disappointed at all!
I went to our forum and started to ask everybody – WHY ???? on 8TMAC motor with Lyen Edition 9FET controller and 58V battery I was slower than usual bike.
I got advice to update controller’s firmware with 30/60А currents and of course with EB312 profile. I did it. But no difference was got! Very slow bike.
New update with 40/70А currents and as you said in your sticker with EB312… just a bit faster but again slow in common! Than 50/70A and EB312 than 60/70A and EB312.
There was rain outside all day and I have too much “fun” with update controller firmware and testing and lifting 32 kg bike to 6 floor.
With last update my e-bike started to ride really good.
I put my experience on our forum and get info that my real Rshunt value should be 4mOhm not 2 mOhm! And when I set 60A current in your program it is 30А for the controller.
So EB312 profile does not match my LY Edition 9FET controller.
Next day I update controller’s firmware with EB309 profile and 30/60A current.
It was just I want – e-bike was very fast – max current 32A and speed 47 kmph and power 1500-1800 Wt.

My underline is:
You confused me with wrong info on your sticker
You sold me not upgraded controller (it is usual 9FET controller with real Rshunt=4 mOhm which need EB309 profile to work properly. As I understood you did not soldered one extra shunt)
You got too much money for your «upgraded» controller
I lost 4 days of my life to make it clear why my bike does not ride and no-load current was to high with correct wires combo. (It was holidays in Russia)
You did not support me in that period.

And main questions
Why I had to do all that things I listed above instead just“plug and play” connection controller which costed me about 100$ ???
Best regards

I got answer

Hi Sergey,
I apologize for the confusion. Usually the shunt would not be added unless the customer have special request. But I admit that the fault is on our side because of the incorrect shunt information. If you would like, what I can do is to send you a shunt for you to solder on the controller board free of charge. The other thing I can do would be to offer you 30% discount for your next order. Just let me know.
Sincerely,
Edward Lyen

My answer
Dear Mr Lyen
I do not know what was wrong - not right sticker or not right shunt I spent TOO MUCH time on "plug and play" your controller!
I am usual e-bike user and not qualified anought to sold new shunt on the board so I would like to get compensation for inconveniences you caused to me. You are ready to give me 30% discount for my next order ? I think it is good you send these money to me via paypal. It is 30$ USA.
Also please inform me what is right Rshunt value for my existing shunt ?
What maximum currents (rated and phase) I can safely use in your controller?
Best regards

And final very short answer I got
"I'm sorry but there is no refund."

My Underline
I do not want to get 30$ at the moment but I want to inform members of this forum about poor tech support and seller's relation to prepare items for selling.
Also there some of negative experience was getting by others russian buyers but they could not speak English well and put their info here.
Everybody can be mistaken but why bayer have to fix seller's issue by them self?


Some controller's fotos
foto0623.jpg
the controller's sticker


foto_1.jpg


foto_2.jpg
a "bit" difference with main topic fotos


foto_3.jpg
Only one shunt
Last edited by versus on Sun Feb 09, 2014 4:25 am, edited 3 times in total. View post history.
MAC rear 8T/500Вт; Infineon 9 FET, EC-094310; Battery LiFePo4 16s6p 57,6V/13,8 Ah
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby boltedjolt » Sun Feb 23, 2014 8:44 pm

How do I use the xpd software? Not sure which profile to use. There's on indicated on the controller and the on in the software is different what do I want to run about 27 amp but not sure we're to put in cause it as for battery amp and phase amp.
Last edited by boltedjolt on Sun Feb 23, 2014 9:01 pm, edited 1 time in total. View post history.
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correct model?

Postby windtrader » Sat Apr 12, 2014 7:30 pm

I'm designing a bike for 72v at 40amps continuous (5-10 minutes max). Will this model deliver without pushing to limits of controller design?

Also, is a CA needed since it seems the Lyen controllers are software programmable?

Thanks
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby Allex » Sun Apr 13, 2014 4:57 am

No CA needed. 72V40A is a bit much. I have blown 3 FETS in it running 72V35A
Better if you buy a 12Fet.
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby 999zip999 » Mon Apr 14, 2014 12:22 pm

I run the 9 fet. @ 72v 30 amp. No problems my 12 fet at 72v 40 amp.
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby rumped6 » Wed Apr 16, 2014 12:55 am

I'll have one, never used, for sale in a day or two.

Look in the 4 Sale New section. Thanks. (hope this is board legal 8) !?!

Apologize if not...
Last edited by rumped6 on Wed Apr 16, 2014 1:24 am, edited 2 times in total. View post history.
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby rumped6 » Sat Apr 19, 2014 4:03 am

Just for the record: I posted it, and sold it on the 17th of April.
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby miuan » Fri Apr 25, 2014 7:53 am

Smoked two 9fets at 74V/30-40A.
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby windtrader » Fri Apr 25, 2014 8:19 am

miuan wrote:Smoked two 9fets at 74V/30-40A.

If you add some detail we all learn more.

Was the controller using a CA or internal only? Were there settings to limit or is this an estimate?

What was the use pattern? Was this WOT for brief time, just once or multiple times or continuous current for long time like on steep long grade?

Where is controller mounted, did it get open air? Did you feel how hot it was getting?

If you give some time please we all learn more. Thanks.
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby m52 power! » Tue Dec 09, 2014 1:23 pm

Guys I am using this controller with XPD. I have programmed other controllers with XPD just fine. This controller worked fine until I programmed it now the throttle works to about 20% then shuts the motor off. I have tried changing phase/battery amps, even eb309/cellman and it is still not working.

Please help I have a dead controller now.
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby Kineticman » Tue May 26, 2015 4:11 pm

Hi Lyen,
Was wondering if you have any more of these 9 FET controllers still available? If so I am interested in getting one modded to 48V for a BMC V4 cruiser motor. I also saw in some previous posts here it looks possible to attach an ignition switch to it? Would you recommend using a fuse cut off between it and the battery connection as well?

Thanks.
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Re: 9 FET 72V Infineon Brushless Controller (LYEN's Edition)

Postby geosped » Sat Jul 25, 2015 3:10 pm

Hi,
I'm looking for a new controller for a BMC v2 kit with the torque wind option. I'd like to run a 12S -16S 44v-72v LiPo 10ah pack. I would mostly be climbing hill's around a 3-5 mile track. I'm 250lbs. Is this the proper controller or should I be considering something else?
Novara Hard tail; BMC V2; 9 FET 72V Infineon Brushless Controller (LYEN's Edition); 12S 10mah Zippy Lipo Pack
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