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Danakil avatar image
Danakil asked

Ve.Direct Protocol: Device state register

Hi everyone,

I am setting up the communication between some SmartSolars 250/100 and an embedded system to control them using Ve.Direct protocol.

I mostly use the "Remote control Register" (0x200i) for that and everything is fine except for the "0x200C : Device State" which just timeout me...

I also tried the old way, using 0x0201 but same result. All the SM250/100 are up to date with the 1.59 version.

Is it because the BMS mode is activated ? Or any idea of what's going on ?


BTW I think there is an error in the documentation, to activate the BMS mode, we need to set 0x200E to b0001000 instead of b0001001. The Networked bit 0 doesn't seem to work properly.


Thanks


Best regards,


Nicolas


VE.Directcommunication protocol
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2 Answers
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Mike Dorsett answered ·

I think the device state register is inactive in the BMS mode, but you should get a value back, not a timeout.

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Danakil answered ·

Hi Mike,

Thank you for your answer, reading your post made me check my code and I realize I forgot a statement, that's why there was a problem... :/

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VE.Direct protocol FAQ

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