Updating DESS config via VRM API post

Q&A and troubleshooting DESS
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1

I am trying to do a daily update of buy/sell prices in my dess config via the vrm api post Dynamic ESS configuration.

It has taken a while to get past the rc 422 invalid json response.

Now I am getting rc 409 - Setting already exits response.
Not defined in the vrm api documentation ?

I am doing a get Dynamic ESS configuration successfully, and then resending most of the 12 “required” fields using what I am receiving, along with new buy/sell schedules. I also get the same error response if I don’t include all of the required fields, and only the price schedules.

Does anybody have any experience with vrm api post transactions?

2

Try using PATCH instead of POST. Not in the API docs as far as I remember but worked for me.

3

tell us how to change minimum soc cause that’s not in the docs either :rofl:

if not I’ll get to it next week

4

Thank you. Hadn’t considered trying that.

5

Which minSoc, there seem to be lots?

The Dynamic ESS minsoc in settings isnt used any more as far as I can tell.
The usual ESS minSoc I have updated with mqtt write to settings/0/Settings/CGwacs/BatteryLife/MinimumSocLimit .

The one that actually matters is in system/0/Control/ActiveSocLimit, but I suspect you cant write to that, and system calc decides which to use and puts it there for itself. That is the one that the dynamic ess delegate code uses.

I havent seen anywhere you can set it via vrm api, but as you can update it via vrm controls, then maybe there is ?
Regards

6

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