From 607058e42b43119295f77464946f16e24ad52dba Mon Sep 17 00:00:00 2001 From: Mariusz Pacek Date: Fri, 23 Oct 2026 22:31:41 +0200 Subject: [PATCH] research: verified Deye register map via the Solarman logger Co-Authored-By: Claude Opus 5.5 Claude-Session: https://claude.ai/code/session_01U8EHjVrf5ffw1Vjn5bPGJu --- research/energy/README.md | 28 ++++++++++++++++++++++++++-- 1 file changed, 26 insertions(+), 2 deletions(-) diff --git a/research/energy/README.md b/research/energy/README.md index 5873d86..7d91da7 100644 --- a/research/energy/README.md +++ b/research/energy/README.md @@ -4,5 +4,29 @@ |---|---| | `deye-nameplate.jpg` | Nameplate of the hybrid inverter Deye SUN-10K-SG04LP3-EU, SN 2408266176 (photo 2026-10-23) | -The inverter is read through its Solarman Wi-Fi logger (local protocol on port 8899), which -needs the **logger's** serial number (sticker on the Wi-Fi stick), not the inverter's. +## Deye hybrid inverter, read locally + +Solarman Wi-Fi logger at `192.168.0.232:8899`, logger SN **3112107147** (sticker on the stick; +the `PWD` on the sticker is the stick's own Wi-Fi hotspot password and is not needed). +Protocol: Solarman V5 wrapping Modbus RTU, slave id 1, FC3 read only (`pysolarmanv5`). + +Registers verified 2026-10-23 22:26 (serial 3–7 matched the nameplate, grid power matched the +SDM630 house meter: 645 W vs 640 W): + +| Register | Meaning | Scale | Value at check | +|---|---|---|---| +| 3–7 | inverter serial, ASCII | – | 2408266176 | +| 586 | battery temperature | (x − 1000) / 10 °C | 19.2 | +| 587 | battery voltage | /100 V | 56.49 | +| 588 | battery SOC | % | 99 | +| 590 | battery power, + discharge / − charge | W, signed | −24 | +| 598–600 | grid voltage L1–L3 | /10 V | 233.9 / 233.4 / 231.9 | +| 622–624, 625 | grid power per phase, total; + import / − export | W, signed | 390 / 52 / 203, 645 | +| 650–653 | load power per phase, total | W | 364 / 26 / 180, 570 | +| 672, 673 | PV1, PV2 power | W | 0, 0 (night) | +| 514, 515 | today battery charge, discharge | /10 kWh | 0.5, 0.1 | +| 520, 521 | today grid bought, sold | /10 kWh | 16.8, 22.3 | +| 526 | today load | /10 kWh | 24.2 | +| 529 | today PV production | /10 kWh | 29.9 | + +Fronius Symo 3.7 (`192.168.0.143`, Solar API JSON) produced another 4.4 kWh that day.