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Sun 2000- M1 & Luna 2000 readout on Modbus TCP

Created: Jul 28, 2021 16:29:41Latest reply: Jul 29, 2021 12:43:26 843 4 0 0 0
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Hi

With a third party system (IOBroker) I can read out the data via Modbus TCP.

This is going well!

Now I cannot find the register for the state of charge fprm the battery (Soc) in the Modbus register description.

Is this not available or has simply been forgotten.

Or how can I calculate the soc value from the data available?

The value is available in the operating app.


Thank you very much for your help.


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Confucius
Moderator Created Jul 29, 2021 04:56:12

@user_4245991, the Modbus Interface Definitions document (at least the one for SPC135 firmware version) had info (registers) regarding the battery and also the SOC is availabe via 37004 address, see below:

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basking_in_the_sun2000
basking_in_the_sun2000 Created Jul 29, 2021 00:53:11

Look at https://github.com/basking-in-the-sun2000/solar-logger/blob/master/Huawei.default.py
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Tang_li
Tang_li Admin Created Jul 29, 2021 02:37:36

There is no information available at this time, you can send an email to eu_inverter_support@huawei.com
Remember to specify the SN and problem description of your device.
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Confucius
Confucius Moderator Created Jul 29, 2021 04:56:12

@user_4245991, the Modbus Interface Definitions document (at least the one for SPC135 firmware version) had info (registers) regarding the battery and also the SOC is availabe via 37004 address, see below:

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Unicef
Unicef MVE Created Jul 29, 2021 12:43:26

WOW BEST ANSWER
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