question

Yes, its a real CAN port, but rather limited because of the slcan protocol. For example changing baud rates does not work reliably always, therefore we limited it to 500kbps only.

My recommendation is to not spend any time on this, and buy a Cerbo GX MK2 instead, ask your dealer, which has two full featured can bus ports, instead of one VE.Can and a BMS-Can one.

ps to answer this:

> 2. Why is it being driven by a serial port in SW? NMEA - I do not need
> /usr/bin/slcand -o -f -t hw -S 1500000 /dev/ttyS3 can1

the can port is on a atmel microprocessor, that is connected via a serial port (or serial over USB) to the main SoC that runs Linux. Hence the involvement of slcand. Btw per Venus OS v3.40~13, in public beta testing since yesterday, that daemon is gone since we integrated its features in to the kernel itself. But again: I really recommend to use a Cerbo GX MK2 for your application, or an Ekrano GX.

thank you for answer

my client has around 14 cerboGXs on site each with a minimin of three 15kw inverters attached.

so this news is not going to be well received.

A quick check of the available MK2 cerboGX in Australia shows two versions in stock with part numbers - BPP900450110 and BPP900451100.

What is the difference between these two MK2 GXs ie which is the one I should be using to replace the other CerboGXs with.

regards

Also how am i going to tell the difference between the standard CerboGX and the MK2 version by looking at them?? All pics look the same.

Have found the latest comparison table - which helps ( venusGX had two fully working CAN ports )

But VenusGX CPU is too slow with latest firmware for our needs.

regards

Hi again,

There is no difference between those two Cerbo GX MK2 part numbers, other than the country of origin.

I’m sorry that this is news to you, Cerbo GX has had its second can bus port limited for years. Hence the different name. Its been publicly documented like that for years as well.

From my side, I’m happy that we’re finally getting that solved and will have two fully functional ports, by launching the MK2 model.

I’m not sure if, aside from part number, there is a marking on the GX to see the difference.

All the best, Matthijs

Hi

The VenusGX had two fully functional Can Ports and then the cerboGX comes along with only 2 of three usb ports and one of two CAN ports fully functional. Both of these issues have been fixed with the MK2 descriptions I have just seen. Both have caused me issues. I am aware your agents have been raising some of these issues and where told that Victron were not going to fix it. Clearly it has been a big enough problem that Victron has decided to build it correctly.

As a side note I have noticed your manuals change as a product progresses in the market, with more important details appearing after products release. ie manuals are incomplete at release missing important details which get added in later months.

Thank you for the confirmation on the part numbers - we thought it might be something like that but needed it confirmed. I will be ordering one EkranoGX and a CerboGX Mk2 tomorrow for testing.

regards Fantail Design

I have seen another image since that shows name as CerboGX MK2 printed on front.

So will find out next week when I get my hands on one, also need to confirm I can identify model correctly in SW.

So waiting to test next week.

For the Victron GODS of confusion and marketing.

/sys/firmware/devicetree/base/model returns "CerboGX" for all cerbos lte,std,Mk2

CerboGX Mk2 and ekranoGX have had Hardware/firmware changes to hardware names for CAN ports --ie CerboGX Mk2 and EkranoGX now name CAN ports vecan0 & vecan1 --( this breaks existing third party SW that uses CAN ports. )

I have also noticed that some firmware updates for MK2 do not update the services menu , and still include BMS-Can.... the ekanoGX has made this change in version 3.31.

there is clearly a better way to identify the hardware as the firmware is clearly getting it right.

How can I identify your hardware model cerboGXs correctly??

confirming that for the cerbo GX Mk2 version 3.30 services menu still has BMS-Can and ve-Can.

Have also had file permissions issues with MK2 and Ekrano GX firmware.