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I hope somebody with an in depth expertise in CAN can explain to me ways to structure the CAN data deliver on the inverter.
To this point they're my two main candidates for inverters. I am not knowledgeable plenty of to grasp if there might be better selections or if these are definitely even intending to function. So desired to request listed here from seasoned end users.
I am not sure the common Orion BMS has that capacity as it was suitable for EV apps. The Jr2 is for forty eight volt stationary batteries typically used in hybrid inverters. There might be a protocol that actually works if indeed you've got the typical BMS2.
I am reading that foxess uses the solax protocol, so probably that's a good matter because it may have more guidance?
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Ampster stated: I believe you might be talking about the OrionJR2 BMS. I set the OrionJR2 to the Victron output and afterwards followed the Guidelines on the SolArk communications document to connect with the CAN port on the SolArk 12K.
Anything connected to this inverters has UPS electrical power. The view grid-tie inverter provides electrical power for you also to sell.
I labored with Seplos and Solis to get the CAN communications tested before invest in. I'm also definitely liking the Seplos presented BMSTool you can configure nearly any environment imageable as opposed to the black box UL9540 alternatives.
Here's the Sunspec Modbus specification, to have the dialogue begun regarding how to come up with a suitable Do it yourself battery:
I do Observe that the scale price with the SOC concept is 0.five within the .dbc. Do these messages even make the most of the dimensions values in the course of broadcast or is usually that information just for human readability? I'm continue to trying to find the elusive "factor of two".
The mystery continues to be then about how .dbc file information parameters develop into formatted into .o2bms string parameters. Claimed parameters instruct the BMS to send out messages on the Sol-Ark inverter over CAN that command the inverter to work in defense of battery and cell demand and discharge boundaries.