[Ovmsdev] Problem switching to Range mode charging (TR)

[Mark Webb-Johnson]

I can see this:

2018-04-07 10:34:26.617392 +0800 info  main: #59 A ROADSTER_834 rx msg C 15,15
2018-04-07 10:34:40.025887 +0800 info  main: #59 A ROADSTER_834 rx msg C 15,24
2018-04-07 10:34:45.481678 +0800 info  main: #59 A ROADSTER_834 rx msg C 16,3,10

That seems to be changing charge current to 15A, then 24A, then a change to range mode at 10A.

Response from the car (for the last one) was:

2018-04-07 10:34:45.682460 +0800 info  main: #150 C ROADSTER_834 rx msg c 16,0
2018-04-07 10:34:46.924401 +0800 info  main: #150 C ROADSTER_834 rx msg S 96.0,K,1,0,prepare,standard,264,264,10,0,0,100,5,13,0,0,0,0,0.00,0,0,0,0,0,0,0,0,0,0,0,0,0.00,0.00,0

That results in two commands to the car (CommandSetChargeMode, CommandSetChargeCurrent).
 
Maybe the commands are sent too quickly? There wasn’t a deIay in ovms v2, but the processor in v3 is much faster. Probably safest to add a small delay - I’ll add 50ms into the server v2 code. No idea if this is causing the issue, but it shouldn't hurt.

Regards, Mark.

> On 7 Apr 2018, at 2:31 PM, Greg D. <gregd2350 at gmail.com> wrote:
> 
> Oh, and if it will help track things down, the error was at 04/06/2018
> 19:34:48, local time (UTC-7).
> 
> Thanks,
> 
> Greg
> 
> 
> Greg D. wrote:
>> Hi folks,
>> 
>> To the Roadster owners among us...  I just tried switching my 2.0
>> Roadster from Standard to Range mode charging, and there was an unusual
>> "pop", similar to the car or OpenEVSE contactors engaging, but louder,
>> followed by all the fans going off and a "Power Train Service Required"
>> error on the display.  Tapping away the message, the car started
>> charging in Range mode as normal...  Odd, and rather unnerving, given
>> that I'm heading out on a trip shortly.  I'll pull the logs when I return.
>> 
>> This was my first experience using the OVMS system to control charging. 
>> I don't want to try it again.
>> 
>> Has anyone else tried doing this?
>> 
>> Greg
>> 
> 
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