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

Wed Sep 25 04:26:38 HKT 2013

Yeah - it's just info for the app user, but I would rather it is a)
reasonably accurate and b) consistent across all vehicles.

Matt

On 24 September 2013 21:23, Thomas Bergo <thomas.bergo at gmail.com> wrote:

> 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 current?
>>
>> I notice that the Volt/Ampera code sets 16A as the charge limit.
>>
>> Matt
>>
>>
>>
>> On 24 September 2013 19:58, Thomas Bergo <thomas.bergo at gmail.com> wrote:
>>
>>> The charger is only able to deliver 3 KW to the battery, so the car will
>>> maximum use 13A from the grid. I therefor hardcoded the charging  to
>>> "STANDARD 13A"
>>>
>>> Regards, Thomas
>>>
>>>
>>> 2013/9/24 Matt Beard OVMS <smvo at mxf.org.uk>
>>>
>>>> I think my hardware may have a dodgy connection as it is working again!
>>>>
>>>> I am using the hex file Thomas sent (one that failed yesterday!)
>>>>
>>>> I noticed that the charge level is reported wrongly. I am using a 16A
>>>> charger (and the car does charge at > 13A) yet the C-Zero code is reporting
>>>> the charge type as "STANDARD 13A" and the charge current is showing as 12A.
>>>>
>>>> Matt
>>>>
>>>>
>>>>
>>>> On 24 September 2013 19:22, Thomas Bergo <thomas.bergo at gmail.com>wrote:
>>>>
>>>>> I read some rumors that some cars imported from Denmark to Norway had
>>>>> a smaller battery pack.
>>>>> Have to look some more to find where i read about this.
>>>>>
>>>>> Regards, Thomas
>>>>>
>>>>>
>>>>> 2013/9/24 Matt Beard <matt at beard.tv>
>>>>>
>>>>>>  You can tell how many cells from the 6en messages, but I heard that
>>>>>> the range is the same, but the unused capacity is less so the batteries
>>>>>> don't last as well.
>>>>>>
>>>>>> This needs to be confirmed.
>>>>>>
>>>>>> Matt
>>>>>>
>>>>>>
>>>>>> On Tuesday, September 24, 2013, Thomas Bergo wrote:
>>>>>>
>>>>>>> There is delivered some Citroen C-Zero with a smaller battery pack
>>>>>>> (13 KWh VS 16 KWh.) The ideal range for the 13 KWh battery I believe is 80
>>>>>>> miles and for the 16 KWh battery the ideal range is 150km (93 miles).
>>>>>>>
>>>>>>> To calculate the ideal range correctly for both battery size we need
>>>>>>> a way to distinguish between them.
>>>>>>>
>>>>>>> Do you think that there will be any issues by using the Feature 14,
>>>>>>> Car bits, to indicate which battery pack the car has?
>>>>>>>
>>>>>>> Regards, Thomas
>>>>>>>
>>>>>>>
>>>>>>> 2013/9/24 Matt Beard <matt at beard.tv>
>>>>>>>
>>>>>>> I'm using a Global SIM.
>>>>>>>
>>>>>>> I may try the diag port if I can find something that reads RS-232 in
>>>>>>> this day and age! I must try and get a USB adapter.
>>>>>>>
>>>>>>> Matt
>>>>>>>
>>>>>>>
>>>>>>> On Tuesday, 24 September 2013, Nikki Gordon-Bloomfield wrote:
>>>>>>>
>>>>>>> Great. In addition, you might want to try and attach something to
>>>>>>> the diagnostics port. You should be able to read through the port any AT
>>>>>>> commands, to make sure it's working correctly.
>>>>>>>
>>>>>>> I believe there's a list somewhere of the messages you'll get from
>>>>>>> the diagnostic port for that chip.. 901 is it?  (I can't remember, but it's
>>>>>>> what we used to diagnose the SIM card was at fault.)
>>>>>>>
>>>>>>> Nikki.
>>>>>>>
>>>>>>> P.S. What SIM are you using? Global? O2?
>>>>>>>
>>>>>>>
>>>>>>> On 24 Sep 2013, at 09:16, Matt Beard <matt at beard.tv> wrote:
>>>>>>>
>>>>>>> Actually, running it with stock firmware as OBDII in our ICE is next
>>>>>>> on my list of checks.
>>>>>>>
>>>>>>> Matt
>>>>>>>
>>>>>>>
>>>>>>> On Tuesday, September 24, 2013, Nikki Gordon-Bloomfield wrote:
>>>>>>>
>>>>>>> The other suggestion I would have is to plug the ODBII module into
>>>>>>> another car -- or power it from a bench supply using the method detailed in
>>>>>>> the development guide?
>>>>>>>
>>>>>>> Nikki.
>>>>>>>
>>>>>>> On 24 Sep 2013, at 08:08, Mark Webb-Johnson <mark at webb-johnson.net>
>>>>>>> wrote:
>>>>>>>
>>>>>>> Matt,
>>>>>>>
>>>>>>> I have modules with me for replacement, if necessary.
>>>>>>>
>>>>>>> I am concerned about your comments regarding soldering. All the v2
>>>>>>> modules are supposed to be machine soldered, and we have had almost zero
>>>>>>> returns of broken modules.I would be grateful if you could let me know the
>>>>>>> serial number of your module, the approximate date you received it, and if
>>>>>>> possible a picture of the soldering issues.
>>>>>>>
>>>>>>> I too am perplexed why the module would work SMS but not GPRS.
>>>>>>> Perhaps you can try setting the vehicle type to 'XX', which would eliminate
>>>>>>> any can bus/message issues, and see if the problem still occurs.
>>>>>>>
>>>>>>> Please eMail me, off list, as mark (at) openvehicles (dot) com, and
>>>>>>> I'll work through this with you.
>>>>>>>
>>>>>>> Regards, Mark.
>>>>>>>
>>>>>>> On 24 Sep, 2013, at 5:13 AM, Matt Beard OVMS <smvo at mxf.org.uk>
>>>>>>> wrote:
>>>>>>>
>>>>>>> Thanks Thomas,
>>>>>>>
>>>>>>> That has confirmed for me that my hardware has died.
>>>>>>>
>>>>>>> Looking at the circuit board the soldering on the GSM modem is
>>>>>>> shocking, but I don't understand how it can work for SMS, but crash with
>>>>>>> GPRS. Looks like I will be spending most of my effort in the coming days
>>>>>>> trying to get the hardware replaced!
>>>>>>>
>>>>>>> I have confirmed that the unit functions perfectly (though is pretty
>>>>>>> useless) with the GPRS switch set to disabled. If it is booted with the
>>>>>>> switch enabled it dies as soon as I set the GPRS parameters, then enters an
>>>>>>> endless reboot loop.
>>>>>>>
>>>>>>> Matt
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On 23 September 2013 21:18, Thomas Bergo <thomas.bergo at gmail.com>wrote:
>>>>>>>
>>>>>>> Attached is the hex file, this is the exact same that is running om
>>>>>>> my module now.
>>>>>>>
>>>>>>> Regards, Thomas
>>>>>>>
>>>>>>>
>>>>>>> 2013/9/23 Matt Beard <matt at beard.tv>
>>>>>>>
>>>>>>> Thomas,
>>>>>>>
>>>>>>> That would be really useful. I am worried that the module may have
>>>>>>> failed.
>>>>>>>
>>>>>>> I did not keep a copy of the last working hex file (lesson learned!)
>>>>>>> but did save the sources. Rebuilt from previous sources and loaded. It
>>>>>>> still fails.
>>>>>>>
>>>>>>> Matt
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>> On Monday, September 23, 2013, Thomas Bergo wrote:
>>>>>>>
>>>>>>>  Matt:
>>>>>>>
>>>>>>> I can send you the hex file i'm running in my OVMS module, so you
>>>>>>> can try if that woking in your module?
>>>>>>>
>>>>>>>
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