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

[Thomas Bergo]

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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