BMW i3 CCS/charge port controller

Development and discussion of fast charging systems eg Chademo , CCS etc
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Re: BMW i3 CCS/charge port controller

Post by ginetto »

m.art.y wrote: Sat Nov 05, 2022 10:57 am Hi guys, just wanted to ask if anybody used a Duosida CCS socket with a LIM and got it working? I read through the thread and a lock seems to be a must. By lock is it meant the Type2 socket lock on the top as in the photo? If so it is rather high profile has anybody seen any smaller versions of the lock? 😊
AFAIU can be mounted also laterally. BTW I do not have direct experience.
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Re: BMW i3 CCS/charge port controller

Post by tom91 »

m.art.y wrote: Sat Nov 05, 2022 10:57 am Hi guys, just wanted to ask if anybody used a Duosida CCS socket with a LIM and got it working? I read through the thread and a lock seems to be a must. By lock is it meant the Type2 socket lock on the top as in the photo? If so it is rather high profile has anybody seen any smaller versions of the lock? 😊
Very easy to get working, all is on the wiki https://openinverter.org/wiki/BMW_I3_Fa ... LIM_Module

there are lower profile locks, like https://zero-ev.co.uk/shop/lockpincp-lo ... desc#attr=
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Re: BMW i3 CCS/charge port controller

Post by EV_Builder »

Or go to a breaker of an ID3 / ID4 that's what i did.
It has the lock lateral...
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see http://www.wdrautomatisering.nl for bespoke BMS modules.
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Re: BMW i3 CCS/charge port controller

Post by asavage »

Image
For reference, this is what my BMW i3 inlet looks like:

Image
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Image
Image
Image
Image

I picked this up from a breaker in Latvia (I think) a few months ago for well under USD$100 including shipping, with about 4' of harness.

It's a Type 1, though. That matches my locale.
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Re: BMW i3 CCS/charge port controller

Post by Eltis »

Hello everyone, help to solve the problem. I have a lim 2014 USA.(...646) The welding test passes normally. I see. 272,false,Rx,0,8,33,F3,01,11,FF,FF,FF,FF, Then I connect the connector of the charging station, the LED starts to glow yellow. 3B4,false,Rx,0,8,00,FF,31,F0,BC,FF,00,00. Everything seems to be going well. But only I start seeing this message: 3E9,false,Rx,0,8,08,52,11,00,00,00,00,00Everything stops and the LED starts flashing red. At first I thought I had a port blocking problem. I even wired a separate switch to manually enable the lock. Still nothing happens.
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Re: BMW i3 CCS/charge port controller

Post by tom91 »

Eltis wrote: Mon Nov 07, 2022 4:29 pm Hello everyone, help to solve the problem. Still nothing happens.
tom91 wrote: Fri Nov 04, 2022 12:16 pm
Provide a capture if you need help.
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Re: BMW i3 CCS/charge port controller

Post by Eltis »

Ok. Thank you.
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Re: BMW i3 CCS/charge port controller

Post by muehlpower »

Eltis wrote: Tue Nov 08, 2022 3:29 amOk. Thank you.
Did you notice that the proxy has to be connected to pins 2 and 6 on USA models? BTW, US and EU LIMs are the same and can be recoded.
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Re: BMW i3 CCS/charge port controller

Post by tom91 »

A question to every one who has a working vehicle with the LIM working, I have yet to get my first project running myself.

What outputs does the LIM generate upon Plug Insertion to allow the rest of the vehicle to wake up? I have yet to figure out if the LIM signals can be used to wake up the various required other items in a vehicle to allow starting charge from a "Ignition Off" situation.
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Re: BMW i3 CCS/charge port controller

Post by Eltis »

muehlpower wrote: Tue Nov 08, 2022 12:19 pm Did you notice that the proxy has to be connected to pins 2 and 6 on USA models? BTW, US and EU LIMs are the same and can be recoded.
I paid attention to it. I bought the lim together with wires and a conectors. Do I need to put an additional jumper between 2 and 6? Because now there is no connection.
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Re: BMW i3 CCS/charge port controller

Post by muehlpower »

As I said, on EU models, pin 6 remains open and proxi is connected to pin 2, on US models proxi is connected to both, pin 2 "and" 6.
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Re: BMW i3 CCS/charge port controller

Post by asavage »

Eltis wrote: Tue Nov 08, 2022 1:57 pm Do I need to put an additional jumper between 2 and 6? Because now there is no connection.
https://openinverter.org/wiki/BMW_I3_Fast_Charging_LIM_Module#Connectors_and_Pinouts

If your LIM was sourced from a US-coded vechicle, very probably you will need to jumper 2B-2 to 2B-6.
image.png
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Re: BMW i3 CCS/charge port controller

Post by Eltis »

Hello. Is there an error in the voltage meter circuit? By connecting the polarity of the power supply TLV 6001 ?
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Re: BMW i3 CCS/charge port controller

Post by Eltis »

Sensing.png
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Re: BMW i3 CCS/charge port controller

Post by tom91 »

tom91 wrote: Fri Nov 04, 2022 12:16 pm
Provide a capture if you need help.
Eltis wrote: Sun Nov 13, 2022 12:13 pm Hello.
Please do this if you need help, you are saying you get to a certain point in the sequence so there will be clues.
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Re: BMW i3 CCS/charge port controller

Post by muehlpower »

Eltis wrote: Sun Nov 13, 2022 12:15 pmSensing.png
There are different types of TLV6001. With the "R" version, pin 5 = V-, pin 2 = V+. Without "R" it's the other way around. With the "U" version, the inputs and outputs are different.
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Re: BMW i3 CCS/charge port controller

Post by Eltis »

muehlpower wrote: Sun Nov 13, 2022 2:21 pm There are different types of TLV6001. With the "R" version, pin 5 = V-, pin 2 = V+. Without "R" it's the other way around. With the "U" version, the inputs and outputs are different.
Thank you.
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Re: BMW i3 CCS/charge port controller

Post by Eltis »

tom91 wrote: Sun Nov 13, 2022 12:32 pm Please do this if you need help, you are saying you get to a certain point in the sequence so there will be clues.
For now, I took a break, remaking my Arduino controller. At stm 32. When I'm ready, I'll definitely show my capture . I'm learning now cubeIDE .
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Re: BMW i3 CCS/charge port controller

Post by Eltis »

muehlpower wrote: Sun Nov 13, 2022 2:21 pm There are different types of TLV6001. With the "R" version, pin 5 = V-, pin 2 = V+. Without "R" it's the other way around. With the "U" version, the inputs and outputs are different.
is it possible to install id instead of rid? By changing the polarity of the power supply?
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Re: BMW i3 CCS/charge port controller

Post by larsrengersen »

Bit of a generic overall question regarding Voltage and Current deviation.
With CHAdeMO it is up to the car (controller) to measure and manage this.
In the LIM .dbc I found DCFC_V_Diff and DCFC_I_Diff
So my question is, is Voltage and Current deviation management also needed for CCS?
And if yes? Should the LIM do that? And if yes, how?
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Re: BMW i3 CCS/charge port controller

Post by Zapatero »

I'm very sorry I'm advance as I'm sure this has been asked. But although i searched and red the wiki page i couldn't find the answer:

If I use an onboard AC charger that wants the CP and PP contacts, too, can i just connect them parallel to the LIM?

One this is clarified I'd like to add this information to the wiki page.

Thanks so much
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Re: BMW i3 CCS/charge port controller

Post by larsrengersen »

Zapatero wrote: Fri Nov 25, 2022 11:56 am If I use an onboard AC charger that wants the CP and PP contacts, too, can i just connect them parallel to the LIM?
It's already in there
It is not possible to have two car-side charge controllers connected to the pilot line simultaneously. It is recommended to control the charger by CAN bus. If your charger needs the pilot signal, you will have to emulate it or switch the pilot connection wiring over to the active charger during AC charging.
Under AC charging (on board charger control)
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Re: BMW i3 CCS/charge port controller

Post by Zapatero »

Im sorry, a classic case of user stupidity... Thanks for the heads up
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Re: BMW i3 CCS/charge port controller

Post by Zapatero »

If I decide to switch CC and CP signal with a relay, what would be the indicator for the relay to know if it's open or closed. Which signal can i use to recognize if a Type2 or CCS plug is plugged in?
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Re: BMW i3 CCS/charge port controller

Post by larsrengersen »

Perhaps there are other ways too, but I'd look at CAN message 0x3B4 from the LIM and within that at the Pilot_Status.
As soon as that becomes 0x01 AC not Ready or 0x02 AC Ready you know the LIM has detected a PWM signal at the CP line that corresponds with AC charging.
pilot_status.jpg
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