[Ovmsdev] i-Miev/C-Zero/iOn

Fri Sep 27 23:39:07 HKT 2013

Has anyone seen a CAN log from a rapid charge?

Is the OBD port active at all during rapid charge? I found nothing gets
reported during RC.

Matt

On 26 September 2013 10:29, Thomas Bergo <thomas.bergo at gmail.com> wrote:

> Ok, then you have the same issue.
>
> Will look into this later.
>
> Regards, Thomas
>
>
> 2013/9/26 Matt Beard OVMS <smvo at mxf.org.uk>
>
>> My STAT? gives:
>>
>> Not charging
>>  SOC: 100%
>>  Ideal Range: 93 mi
>>  Est. Range 68 mi
>>
>>
>> On 26 September 2013 10:02, Thomas Bergo <thomas.bergo at gmail.com> wrote:
>>
>>> Matt:
>>> Do you get the ODO in the "STAT?" SMS message?  I did until two days
>>> ago, did a cleanup of the code before push to GitHub. After that i haven't
>>> got ODO.  Can't see any changes to the code from the previous version ether.
>>>
>>> Regards, Thomas
>>>
>>>
>>> 2013/9/25 Matt Beard OVMS <smvo at mxf.org.uk>
>>>
>>>> Having disconnected OVMS and power-cycled the car the charge seemed to
>>>> be going OK, so I connected the unit back up and let it go the last 50% or
>>>> so with OVMS and it was still fine. So, looks like something set a bad
>>>> value! Maybe there is a "set max % charge" CAN message and it got set due
>>>> to noise on the bus. Wish I knew what it was!
>>>>
>>>> Matt
>>>>
>>>>
>>>>
>>>> On 25 September 2013 14:35, Thomas Bergo <thomas.bergo at gmail.com>wrote:
>>>>
>>>>> How did the rest of the charging go?
>>>>> Any other hick ups?
>>>>>
>>>>> Regards,Thomas
>>>>>
>>>>> onsdag 25. september 2013 skrev Matt Beard følgende:
>>>>>
>>>>> The SOC was about 25%
>>>>>>
>>>>>> Matt
>>>>>>
>>>>>>
>>>>>> On Tuesday, 24 September 2013, Thomas Bergo wrote:
>>>>>>
>>>>>> Was the SOC approximately 70% ?
>>>>>>
>>>>>> The Car takes a pause and stops charging for some time at 70%. I
>>>>>> belive this is to level the charge state of the cells. After some time the
>>>>>> charging will continue.
>>>>>>
>>>>>> Regards, Thomas
>>>>>>
>>>>>> tirsdag 24. september 2013 skrev Matt Beard følgende:
>>>>>>
>>>>>> More strange behaviour with my C-Zero.
>>>>>>
>>>>>> Trying to investigate charging current today I discovered that the
>>>>>> car would not charge for longer than a couple of minutes with the OVMS
>>>>>> connected (with Thomas' image loaded). It would start charging, then the
>>>>>> current would drop to zero, but the charge light stayed on. After a while
>>>>>> it stopped even trying to charge. Disconnecting the OVMS didn't fix it
>>>>>> until I also turned the car on and off again (with the OVMS not connected).
>>>>>> Did can noise cause problems again?
>>>>>>
>>>>>> Matt
>>>>>>
>>>>>>
>>>>>> On Tuesday, September 24, 2013, Thomas Bergo wrote:
>>>>>>
>>>>>> The first models (2011) was delivered with a 16A cable. This was
>>>>>> changed for the later models (2012 ->) to 10A cable do to firesafty.
>>>>>> At home i use a 16A cable for charging, but the car only draw 13A.
>>>>>>
>>>>>> I'm not sure what is the correct info, EVSE limit or the charger
>>>>>> limit. Any way the car will only draw 13A.
>>>>>>
>>>>>> The can message for current limit set by EVSE is not know for the
>>>>>> i-Miev, so until this information is available we need to hardcode a value
>>>>>> to be displayed in "STANDARD xxA" in the app.
>>>>>>
>>>>>> Regards, Thomas
>>>>>>
>>>>>>
>>>>>> 2013/9/24 Håkon Markussen <hakon.markussen at gmail.com>
>>>>>>
>>>>>> Nice work Thomas,
>>>>>>
>>>>>> Your attached image reminds me that I should implement the car_time
>>>>>> and car_parktime in the Think City module :-)
>>>>>>
>>>>>>
>>>>>> Regards to max charge rate "STANDARD xxA":
>>>>>> The variable car_chargelimit should contain the maximum available
>>>>>> mains current, which is set by the EVSE.
>>>>>> This is done in vehicle_thinkcity.c and I assume this can-message is
>>>>>> available in a iMiEV and could replace the hardcoded "13A".
>>>>>>
>>>>>> The evse sends a pilot signal controlling the charger max rate, which
>>>>>> can be adjusted by the user in steps depending on the evse type.
>>>>>> The first evse's for iMiEV was delivered with two charging steps
>>>>>> (maybe 10-16A) and got popular among Leaf-owners. Running up to 16A over
>>>>>> the Schuko-connector is bad firesafety, so the later evse's were replaced
>>>>>> with 13A. (I guess) limit max.
>>>>>> This one is a nice one(mode 2, type 2 delivered with different
>>>>>> charging connectors:
>>>>>> http://salto.no/produkter/ladekabel-justerbar-13-a-type-2-shuko/
>>>>>>
>>>>>>
>>>>>> When the max charge current is set by the evse, e.g. 13A the
>>>>>> ac-charge current (which can be measured or viewed in a can-message) will
>>>>>> never exceed this limit.
>>>>>>
>>>>>> Br.
>>>>>>  Håkon
>>>>>>
>>>>>>
>>>>>> 2013/9/24 Thomas Bergo <thomas.bergo at gmail.com>
>>>>>>
>>>>>> I don't remember to have seen any documentation. There is a common
>>>>>> understanding in Norway that the car only can drain 13A.
>>>>>> I have also measured hove much current the car use when charging.
>>>>>>
>>>>>> This setting is only for information in the app, as no information is
>>>>>> send to the car from the car module. There is no way that the car module
>>>>>> can impact on the charge current. The voltage and current (13A) is reported
>>>>>> by the car and not limited by the OVMS.
>>>>>>
>>>>>>
>>>>>> [image: Innebygd bilde 1]
>>>>>>
>>>>>> Regards, Thomas
>>>>>>
>>>>>>
>>>>>> 2013/9/24 Matt Beard OVMS <smvo at mxf.org.uk>
>>>>>>
>>>>>> Do you have a source for this 13A maximum claim?  Mitsubishi claim
>>>>>> that the on-board charger in the iMiev runs at 240V 15A in the USA.
>>>>>>
>>>>>> If you want to use the output rating of the charger you need to
>>>>>> reduce the figure to 9A as the output is 330V.
>>>>>>
>>>>>> What does the Roadster version set - does it use the input current,
>>>>>> or some version of the output curre
>>>>>>
>>>>>>
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