When setting Notifications (parameter #3) to "IP" or "SMSIP" I finally receive alerts - including Minimum SOC (feature #9) ;) The 12V Critical Alert triggers quite often, even if my 12V-battery is new and in top condition. I've measured that the car_12vline reports ~0,5V less than the real battery voltage, so I plan to change the file net.c (line 1458) from: * // Trigger 12V alert if voltage <= ref - 1.5 V: if (!(can_minSOCnotified & CAN_MINSOC_ALERT_12V) && (car_12vline <= (car_12vline_ref - 15))) { can_minSOCnotified |= CAN_MINSOC_ALERT_12V; net_req_notification(NET_NOTIFY_12VLOW); }* to: // Trigger 12V alert if voltage <= ref - 1.5 V: if (!(can_minSOCnotified & CAN_MINSOC_ALERT_12V) && (car_12vline <= (car_12vline_ref - *20*))) { can_minSOCnotified |= CAN_MINSOC_ALERT_12V; net_req_notification(NET_NOTIFY_12VLOW); } and compile it to a local hex-build and test in on my Think City. Keep you posted about the result. Best regards. Håkon 2013/10/30 Mark Webb-Johnson <mark@webb-johnson.net>
Can someone try it at 2.0V (rather than 1.5V) and see if it solves the false-alerts problem?
Regards, Mark.
On 29 Oct, 2013, at 5:10 pm, Rolf Welde Skeie <rwskeie@gmail.com> wrote:
Ok, it seems like a few have similar issues. The logic behind the calculations seems to be reasonable, it is the assumption that there is a 1.5V difference between charging/non-charging state which is not generally applicable. From my observations it seems like increasing this to 2.0V would take care of most mis-firing events.?..
Disclaimer: I'm not an expert on batteries...
Running on 2.5.5 experimental/TC
Rolf
On 10/29/2013 10:00 AM, Matt Beard OVMS wrote:
Yup, I also get this message and it would be great if it were working properly, but it actually fires at 13.1V which is far too high.
Matt
On 29 October 2013 08:46, Rolf Welde Skeie <rwskeie@gmail.com <mailto:rwskeie@gmail.com>> wrote:
I have the following features set: #0=1, #8=1, #9=1, #15=1, all others =0.
Can't remember which one made it work, but one of them did, my guess would be #9 :)
Rolf
On 10/29/2013 09:38 AM, Håkon Markussen wrote:
I never get this alert. I have a Think City (as Rolf Skeie) and use the iOS-app. I have tested on both an exhausted aux-battery and on a brand new battery in perfect condition.
Br. Håkon
2013/10/29 Thomas Bergo <thomas.bergo@gmail.com <mailto:thomas.bergo@gmail.com> <mailto:thomas.bergo@gmail.com <mailto:thomas.bergo@gmail.com __>>
I'm also get this alert.
Regard, Thomas
tirsdag 29. oktober 2013 skrev Rolf Welde Skeie følgende:
Hi,
I'm getting 12V battery alerts ala: "MP-0 PAALERT!!! 12V BATTERY CRITICAL (13.2V, ref=14.7V)"
So the 1.5V hardcoded difference between charged and non-charged state seems to be too low. The battery is working just fine and has been tested without any issues, but seems to stabilize at approx. 12.8V.
Is this a global issue; are others experiencing this as well?
If this is a issue only relevant to my car: would it make sense to allow for controlling some of these kind of values through parameters?
BTW, I believe the Think City module could be put in the production builds, it seems to be working fine.
Best regards -- Rolf Welde Skeie Solåsen 27, 5223 Nesttun, Norway +47 92403016 <tel:%2B47%2092403016> <tel:%2B47%2092403016> / rwskeie@gmail.com <mailto:rwskeie@gmail.com> ___________________________________________________ OvmsDev mailing list OvmsDev@lists.teslaclub.hk <mailto:OvmsDev@lists.teslaclub.hk> http://lists.teslaclub.hk/____mailman/listinfo/ovmsdev <http://lists.teslaclub.hk/__mailman/listinfo/ovmsdev>
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