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

[Matt Beard OVMS]

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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