Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

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Allex   1 GW

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Re: Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

Post by Allex » Oct 31 2018 4:32am

Give us some more pictures of that display. Also more inputs would be good, wh/km, amps, volt sag, battery impedance and so on. a good display should have all that by default.
Can you answer my pm please?

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Re: Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

Post by evolutiongts » Nov 02 2018 7:36am

I will take more pictures tomorrow.

Display has a clock, odometer, tripmeter, speedometer, Watts, battery voltage or %. Adjustable assist level which can be configurated with the model app. It can show AH (Capacity well). Fully digital color gauges for speedo and watts
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Re: Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

Post by 999zip999 » Nov 02 2018 2:09pm

Does it have temperature ?

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Re: Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

Post by Doctorbass » Nov 05 2018 2:54pm

These BAC controller are very nice. Plus these are from ASI, a Canadian company 8)

It would be VERY interesting to get every possible adjustment on the screen and get rid of the computer for programming...

The Adaptto platform allow that and even can communicate with the BMS.. ...Well all settings and advance setting and info are availlable thru the display, as well as the Boost converter function to recharge the battery from any power source. I am a big fan of the Adaptto and their innovations, as well these are not perfect and the support is not as good as it should... However these are very advanced and the interface that allow both communication with BMS and controller is awsome!

so... why not have that kind of programming and monitoring possibility on ASI display?

I am one like many here that would be ready to pay extra to have that on the display!!

It make the use and the programming in the field much more easy than to have to cary a laptop with you!!

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evolutiongts   10 kW

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Re: Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

Post by evolutiongts » Nov 05 2018 7:37pm

You dont even need a display, just use your mobile phone with the BacDoor app via bluetooth. You can change any of your settings there, and monitor everything.
http://www.electricrt.com
Electric Race Technologies

Schwinn 405 2WD Track Bike 18KW
EDGE 1500W Hub / MXUS 3K Turbo
ASI BAC 2000 / BAC 4000 Bluetooth
viewtopic.php?f=6&t=93079

10Kw KMX death trike
MUXUS 3K Turbo
Sabvoton 72V150A
Moto Wheels all around
Front Suspension Kit
viewtopic.php?f=6&t=83423

Giant Trance 4 Full Suspension
Cyclone 3000W
74V 3000W
http://endless-sphere.com/forums/viewto ... =6&t=59005

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Re: Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

Post by leffex » Nov 14 2018 2:08pm

I need a controller :flame:

Why should I get this one (ASI BAC 4000) ? I'm also looking at Kelly and Sabvoton rated at 150A battery current. I want plug and play, so to say. As long as I know what is what I can make it work and crimp my own cables together. (plug and play means, connect usual phase wires and or phase halls, plus ignition on, throttle, three-speed and battery connectors, brake signal switch needed ) (very happy if I can use an app and set foc overspeed values etcetera to make it work with my system))

What is the minimum connections that are "necessary to be connected" for the controller to work its magic on the motor its connected to?

Thanks

Its going to be heart transplanted to a Super Soco TS1200. With a hub motor 17" that I estimated to be 5T( 90v = 65-70km/h, tested from a 24fet 80a foc, jerky start, scrambling controller)
Last edited by leffex on Nov 18 2018 12:25pm, edited 1 time in total.
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Re: Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

Post by evolutiongts » Nov 14 2018 8:01pm

Plug and play, depending on which motor you are using.

I have motor profiles for QS 205, QS273 40H, QS273 50H, MXUS 3K Turbo, EDGE 1500W, 1000W Hub, 750W Hub.

If you are using any of the above motors, It will be plug and play ready to run out of the box. I also have various mid drive motor profiles.

Even if you are not using any of the above motors, my controllers are setup with throttle, variable regen etc and can configure the controller for you prior to shipping it out.

The minimum connections other than battery, phase, halls (optional). Are just throttle and ignition. Everything else is optional like regen brake, 2-mode power switch, reverse, cruise, display, PAS.
http://www.electricrt.com
Electric Race Technologies

Schwinn 405 2WD Track Bike 18KW
EDGE 1500W Hub / MXUS 3K Turbo
ASI BAC 2000 / BAC 4000 Bluetooth
viewtopic.php?f=6&t=93079

10Kw KMX death trike
MUXUS 3K Turbo
Sabvoton 72V150A
Moto Wheels all around
Front Suspension Kit
viewtopic.php?f=6&t=83423

Giant Trance 4 Full Suspension
Cyclone 3000W
74V 3000W
http://endless-sphere.com/forums/viewto ... =6&t=59005

flat tire   10 kW

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Re: Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

Post by flat tire » Nov 14 2018 9:41pm

Electric Race Technology review:

I've received a BAC4000 controller and it works great. Not out of the box, it did require me to adjust some parameters despite having filled out the customer setup form. Furthermore, I found out that phase current was set to maximum (456 amps) which is higher than I requested and too much for a QS205, the motor indicated on my setup form. Power was set to 16000 watts or ~250 battery amps while I had requested 150. Motor inductance and resistance were totally incorrect, and the temp sensor wasn't setup right. I didn't mind reprogramming the controller and would have done it anyway so this wasn't a problem for me, but it may be relevant to you if you are looking for a no-hassle setup.

Next issue is you don't actually get a login to use the ASI smartphone app, which not only requires login but validates your right to use every few days. At the very best, you would have to request a login from someone else who already has one to use the app, and be at the mercy of their account remaining valid and not getting banned after ASI discovers 2 dozen people are logged in at once from across the country (uhh...).

Next issue is ERT's harness is very low quality with hobby-grade JST connectors and comes with the cheapest possible Chinese shunt which does work but looks very low quality and came with mismatched fastners, a uneven amount of washers and a couple Hanzi. Do you know what those are? When purchasing a expensive controller which itself uses decent waterproof automotive-grade connectors, you expect more. I threw away the ERT harness and used my own.

I needed more controllers (4000 and 8000) but after waiting over a month after ERT said my order would ship before I received it (experience detailed above) there was no way I could make another order from them. I bought instead from ASI and not only did my order ship ONE day after purchase, I get a login to use their smartphone app, the most current version of their PC software as well as an hour of tech support. There is no comparison. Also, I get to make the harness myself which is a major plus since I can use high quality wire and connectors.

The only positive thing I can say about ERT is Alan, the CEO, seems like a nice guy who is very passionate about ebikes. He makes cool youtube videos, and I don't think he's out to be a crook, but the present condition of his business is so unprofessional it's the last place I'd look for a expensive, highly configurable controller. I would consider buying again in the future, but only if they demonstrably turn a new leaf.

FINAL RATINGS:
Controller itself: 9/10
ERT: 1/10

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Re: Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

Post by district9prawn » Nov 15 2018 7:19am

flat tire wrote:
Nov 14 2018 9:41pm
I needed more controllers (4000 and 8000) but after waiting over a month after ERT said my order would ship before I received it (experience detailed above) there was no way I could make another order from them. I bought instead from ASI and not only did my order ship ONE day after purchase, I get a login to use their smartphone app, the most current version of their PC software as well as an hour of tech support.
I've been waiting a few weeks for a controller from ERT. A week ago I was told to expect the controller in two weeks by Alan so hopefully he comes through. To be fair, he's been more helpful and responsive than ASI. That doesn't say much as ASI's response to my enquiry was "Sorry we don't sell to end users". Initially I considered purchasing the evaluation kit as well but I didn't see $150 USD of value in 1 hour of support and the login.
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Re: Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

Post by flat tire » Nov 18 2018 1:53am

district9prawn wrote:
Nov 15 2018 7:19am
I've been waiting a few weeks for a controller from ERT. A week ago I was told to expect the controller in two weeks by Alan so hopefully he comes through. To be fair, he's been more helpful and responsive than ASI. That doesn't say much as ASI's response to my enquiry was "Sorry we don't sell to end users". Initially I considered purchasing the evaluation kit as well but I didn't see $150 USD of value in 1 hour of support and the login.
Well I bought them using my actual company email, but you can do the same whether you have a company or not. ASI is legit they just don't want to deal with idiots which end users tend to be.

I agree, ERT's price for the BAC4000 is a lot better. Even so, that doesn't excuse the fact that you aren't even "allowed" to use ASI's smartphone app when buying thru ERT. I will pay whatever to ensure that I can whip out my phone and adjust the controller whenever I want without having to worry if I can find someone else to share a login that could get shut down at literally any time.

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Re: Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

Post by xenodius » Nov 21 2018 4:28pm

larsb wrote:
Oct 18 2018 1:59pm
Are you for real? I would recommend you to look at the first post before asking what the voltage limit is. It's right there before your eyes.

If you cannot find it then i think this controller isn't for you. :D
Yeah the first post does say 90v. But the latest brochure from ASI says 72v 'nominal'; http://accelerated-systems.com/wp-conte ... NE2018.pdf

Other folks on here alluded to 20s max. If its 72v "nominal" then I assume 84V is the highest they care anyone to go. I'd like to go 21 or perhaps 22s but could live with 20s.

I simply wanted to verify because of the discrepancy and the obvious importance of this spec, so hold the sass, thanks.

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Re: Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

Post by larsb » Nov 21 2018 5:19pm

sorry, see your point, could've done the same seeing 90v and 72v nominal on the same sheet.

i guess they have 100v FETs, pretty common, so a max used voltage of 90 is reasonable but not 90v nominal..

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Re: Accelerated Systems ASI BAC 4000 & BAC 8000 FOC BT Controllers

Post by liveforphysics » Nov 21 2018 5:42pm

22s explodes (at least on the 4000 model a few years ago at Joby).

21s can be tuned to be stable.
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