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[Doctorbass]

I just thought it could be helpfull to rassemble all command on a single thread.

These are the command you can type in a serial terminal communication software installed on your pc that can communicate  via the rs232 port. It can be done with a usb to RS-232 cable adaptor that you just  connect the rs232 pins TX and RX  to the MBB ( Main Bike Board) OBDII port or Battery BMS. You will need to connect 4 wires ( GND, 5V, TX and TX). i'll try to add images later

Here is the list of known command and what they do.

Credit to ( offthegrid, protomech and Terry )

help: _________give you a list of commands
balance:_______to get the battery balance
dobalance:_____force the BMS resistors to burn energy off the highest voltage cells
calsincos: ____?? known to work  just for the sevcon and motoenergy brushless on the 2012
eventdumplog:___ seem to give some history about the event that are recorded in the MBB
h:_____________ menu pops up with all commands.


More command to come.







Here is an exemple of what you get with the command BALANCE:

"ZERO BMS> balance
  " -   Bank  Voltage(mV)  Diff(mV)   Graph
    -   01        4108         4    -----------------------------|
    -   02        4107         3    ---------------------------|
    -   03        4106         2    --------------------------|
    -   04        4104         0    -----------------------|
    -   05        4106         2    --------------------------|
    -   06        4106         2    --------------------------|
    -   07        4106         2    --------------------------|
    -   08        4106         2    --------------------------|
    -   09        4107         3    ---------------------------|
    -   10        4107         3    ---------------------------|
    -   11        4106         2    --------------------------|
    -   12        4106         2    --------------------------|
    -   13        4107         3    ---------------------------|
    -   14        4105         1    ------------------------|
    -   15        4107         3    ---------------------------|
    -   16        4106         2    --------------------------|
    -   17        4106         2    --------------------------|
    -   18        4107         3    ---------------------------|

  - Highest Bank :  01 (4108 mV)
  - Lowest Bank  :  04 (4104 mV)
  - Imbalance    :   4 mV


- Load Resistor States
  - Cell: 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18
  - Res :  1  1  0  0  0  0  0  0  1  1  0  0  1  0  1  0  0  1 "




Here is an exemple of what you get with the command EVENTDUMPLOG:

"ZERO BMS> eventlogdump

*************************************************************
*                        Event Log                          *
*************************************************************
Printing 5806 of 5806 log entries..

 Entry    Time of Log            Event                      Conditions
...
...
...
05686     09/08/2012 17:38:50   Discharge level            065 AH, SOC: 46%, I:  0A, L:3424, l:3424, H:3483, B:059, PT:031C, BT:034C, PV:62373, M:Idle
 05687     09/08/2012 17:42:26   Bike Turned On
 05688     09/08/2012 17:42:28   Discharge level            065 AH, SOC: 46%, I:-13A, L:3426, l:3383, H:3485, B:059, PT:032C, BT:032C, PV:62418, M:Bike On
 05689     09/08/2012 17:43:28   Discharge level            065 AH, SOC: 46%, I:-12A, L:3399, l:3359, H:3472, B:073, PT:032C, BT:034C, PV:62107, M:Bike On
 05690     09/08/2012 17:44:28   Discharge level            065 AH, SOC: 46%, I:186A, L:3118, l:3712, H:3294, B:176, PT:031C, BT:035C, PV:58326, M:Bike On
 05691     09/08/2012 17:45:28   Discharge level            067 AH, SOC: 44%, I: 60A, L:3003, l:3214, H:3324, B:321, PT:031C, BT:033C, PV:58193, M:Bike On
 05692     09/08/2012 17:46:28   Discharge level            067 AH, SOC: 44%, I:-13A, L:3260, l:3215, H:3435, B:175, PT:031C, BT:034C, PV:60920, M:Bike On
 05693     09/08/2012 17:47:18   Discharged To Empty        068 AH, SOC: 44%,         L:2763,         H:3284, B:521, PT:032C, BT:033C, PV:56694
 05694     09/08/2012 17:47:28   Discharge level            120 AH, SOC:  0%, I: 53A, L:2715, l:3065, H:3287, B:572, PT:032C, BT:034C, PV:56636, M:Bike On
 05695     09/08/2012 17:47:53   Bike Turned Off
 05696     09/08/2012 17:47:54   Discharge level            120 AH, SOC:  0%, I:  0A, L:3018, l:3018, H:3384, B:366, PT:032C, BT:033C, PV:59196, M:Idle
 05697     09/08/2012 17:48:24   Bike Turned On
 05698     09/08/2012 17:48:25   Discharge level            120 AH, SOC:  0%, I:-12A, L:3093, l:3013, H:3401, B:308, PT:032C, BT:033C, PV:59707, M:Bike On
 05699     09/08/2012 17:48:39   Bike Turned Off
 05700     09/08/2012 17:48:40   Discharge level            120 AH, SOC:  0%, I:  0A, L:3112, l:3112, H:3406, B:294, PT:032C, BT:033C, PV:59843, M:Idle"




And here is some details about the data you get from the console:

05686 // log number
09/08/2012 17:38:50 // datetime, may or may not be set to proper local time
Discharge level 065 Ah // pack capacity consumed
SOC: 46% // (55 Ah / 120 Ah = 45.8% SOC)
I: 0A // pack current, no present discharge
L:3424 // low bank millivolt
l:3424 // other millivolt? not sure what's going on here - you see it jump from 3.383 to 3.359 then 3.712 under moderate discharge. sometimes l is lower than L or higher than H.
H:3483 // high bank millivolt
B:059 //  H - L or the difference between the highest cell and lowest.    guessing "B" stands for "balance"
PT:031C // pack temp
BT:034C // BMS temp
PV:62373 // pack voltage in millivolt
M:Idle // bike mode




(UNKNOWN COMMAND TO GET THE FOLLOWING) any idea?

Code:Current   Low   High   Pack   Avg 16   Avg 18
   0   3424   3483   62373   3467   3465
   -13   3426   3485   62418   3469   3468
   -12   3399   3472   62107   3452   3450
   186   3118   3294   58326   3245   3240
   60   3003   3324   58193   3242   3233
   -13   3260   3435   60920   3389   3384
   2763   3284   56694   3165   3150
   53   2715   3287   56636   3165   3146
   0   3018   3384   59196   3300   3289

Average 16 is the average voltage of the mid 16 banks (excluding high, low). Average 18 is the average voltage of all banks.


More to come...

[Doctorbass]

Info from Terry:
CoolTerm software is a good platform but any serial terminal software will work. 
Set the baud rate to 38400.

Doc
 

[manlytom]

Great to summarise here. What is the pin out / config of the cable into the OBDI (2011). Cheers

[Doctorbass]

* * * * * * *MBB OBDII  TO RS-232 serial  cable * * * * * * *

-pin 5 as GND Confirmed
-pin 8 as RXD Confirmed
-Pin 9 as TXD a guess

I did not tried to transmit yet or to reprogram the MBB parameters.  So only the RXD and gnd was confirmed but according to the manual, the wire that is GRY/BLK is the Rx wire and the TX wire is Red/BLK and when i look at the corresponding pins on the OBDII connector the TX is look like pin 8 and RX is pin 9 and GND is pin 5
The RX and TX wires are twisted together.. this might be a clue..


Also something important is that the OBDII RX and TX signal are working at a level of 3.3V so some of the common USB-TTL converter that work with 5V will not work.

Please note: _____Trying to communicate with your zero MBB or BMS is at your own risk and might cancel your warranty______

 

Doc

[Doctorbass]

I found some interestings online document  presentation about their MBB that use Tera Term that seem to be the software that manage the zero use to manage communications ( or their software)







Doc

[protomech]

Probably any terminal emulator would work - but Tera Term works well enough.

[mentalvmaxrider]

I don't see rs232 on my xu..only small round connector...does this work for 2012?

[Doctorbass]

ON all Zero S DS and XU you will find a OBDII connector and this connector have the TX RX signal that allow you to communicate with the MBB and a part of the BMS command.

if you search a bit on that forum you will find therest of  info you need

DOc

[mentalvmaxrider]

Ahh..yes indeed. Thank you...I guess I was just hoping to see an rs232 on the bike....thanks so much for your contributions.
Jer