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 Post subject: Re: Datalogging EV-CAN Bus Information through OBDII
PostPosted: Thu May 09, 2019 5:44 pm 
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Joined: Mon Aug 07, 2017 4:55 pm
Posts: 180
Location: Duvall, Wash.
While Tesla/Toyota may be using an RJ45 connector, I highly doubt that it should be treated as an ethernet port.

For example, I have at least four different pieces of equipment in this building that use RJ11/12/45 connections, and none of them are POTS/POTS multiline/ethernet respectively, though you might guess otherwise.

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Al Savage
2014 Rav4 EV, Shoreline Blue Pearl, #2609, first use 04Jun2014, 49k miles (Aug2017), OpenEVSE 40A. First DU replacement May2018 59k.
2018 Model 3 LR AWD, blue. 9.6kw solar
1999 E300 on B100 (sold Sep2018)
http://nissandiesel.dyndns.org


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 Post subject: Re: Datalogging EV-CAN Bus Information through OBDII
PostPosted: Thu May 09, 2019 6:22 pm 
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Joined: Thu May 09, 2019 3:02 pm
Posts: 2
Location: Guatemala
although on several sites seems to be a simple cisco ethernet usb adapter.

http://alflash.com.ua/phpBB2/download/file.php?id=2963&sid=245c80eccc8c3b512c331c5ddd3e239e&mode=view

see page 12:
https://static.nhtsa.gov/odi/tsbs/2013/SB-10060730-2280.pdf

on this video from Alltech, pins used are 1,2,3,6 same used on an ethernet cable:

https://www.youtube.com/watch?v=H-9nJeN80oA

the adapter seems to be this one:

https://www.walmart.com/ip/linksys-usb-ethernet-adapter/12321722

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 Post subject: Re: Datalogging EV-CAN Bus Information through OBDII
PostPosted: Thu May 09, 2019 6:32 pm 
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Joined: Thu Nov 02, 2017 8:57 pm
Posts: 42
Location: Salisbury, NC
The rear data link connector is indeed Ethernet (pins 1/3/9/11) as well as 500kbps CAN (pins 6, 14).

If you're looking to log data, the CAN feed is your best choice as there's a live stream of over 100 ID's being broadcast.


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 Post subject: Re: Datalogging EV-CAN Bus Information through OBDII
PostPosted: Thu May 09, 2019 7:31 pm 
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Joined: Mon Aug 07, 2017 4:55 pm
Posts: 180
Location: Duvall, Wash.
Good information, Thanks!

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Regards,
Al Savage
2014 Rav4 EV, Shoreline Blue Pearl, #2609, first use 04Jun2014, 49k miles (Aug2017), OpenEVSE 40A. First DU replacement May2018 59k.
2018 Model 3 LR AWD, blue. 9.6kw solar
1999 E300 on B100 (sold Sep2018)
http://nissandiesel.dyndns.org


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 Post subject: Re: Datalogging EV-CAN Bus Information through OBDII
PostPosted: Thu May 09, 2019 9:07 pm 
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Joined: Sun Sep 03, 2017 3:46 pm
Posts: 36
Location: Ukraine
hokiematt wrote:
The rear data link connector is indeed Ethernet (pins 1/3/9/11) as well as 500kbps CAN (pins 6, 14).
If you're looking to log data, the CAN feed is your best choice as there's a live stream of over 100 ID's being broadcast.
With this use of CAN, Tesla's "live stream of over 100 ID's" can be considered?

Among them will be, for example, such
Image
http://alflash.com.ua/phpBB2/download/file.php?id=3387?


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 Post subject: Re: Datalogging EV-CAN Bus Information through OBDII
PostPosted: Thu May 09, 2019 10:06 pm 
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Joined: Thu Nov 02, 2017 8:57 pm
Posts: 42
Location: Salisbury, NC
alflash wrote:
With this use of CAN, Tesla's "live stream of over 100 ID's" can be considered?


Yes. For instance, as Tony noted in the first post, data in message ID 0x102 increased while charging. A search of the web will show that for the Model S, ID 0x102 is from the BMS, with the lowest 16 bits representing battery voltage (0.01 V/bit scaling).


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