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--- deyecodes [2026/04/27 23:46] – created jwan
+++ deyecodes [2026/07/22 17:32] (current) – [Grid and AC Data] jwan
@@ Line 1: / Line 1: @@
-Here is a categorized map of almost every readable register available on these hybrid units. You can use these to build your own custom "block reads" in your code.
+SUN-6K-SG04LP1-EU-SM2 is using V2/Low Address Protocol
-. Inverter & Power Stage (Health)
+Connection requirements: **9600 8N1**
+Slave 1 Read Function 3
-These tell you if the hardware is stressed or overheating.
+Note: every return value is 16bit (signed or unsigned)
-    Registers 90-91: Internal Temperatures (DC-DC and Radiator).
+Available Addresses:
-    Register 103: Fault Code (0 = OK).
+====== PV (Solar) Input Data ======
+<code>
+	PV Daily Production	kWh	0.1
+	PV1 Voltage		V 	0.1
+	PV1 Current		A	0.1
+	PV2 Voltage		V	0.1
+	PV2 Current		A	0.1
+	Gross Daily PV
+	PV1 Power		W	1
+	PV2 Power		W	1
+	PV Total Production 	kWh	(Combined with 97)
+	(Lifetime High)
+	PV Total Production 	kWh	0.1
+	(Lifetime Low)
+</code>
-    Register 109: Inverter Running Status (Standby, Normal, Fault, etc.).
+====== Battery Data ======
+<code>
+      Battery Charge (Daily)		kWh	0.1
+      Battery Discharge (Daily)	kWh	0.1
+	Battery Temperature		°C	0.1 (Offset 1000)
+	Battery Voltage			V	0.01
+	Battery SOC			%	1
+     Battery Status                          0=charge 1=standby 2=discharge
+	Battery Power			W	1 (Signed)
+	Battery Current			A	0.1 (Signed)
+	Battery Daily Charge		kWh	0.1
+	Battery Daily Discharge		kWh	0.1
+	Battery Total Charge		kWh	0.1
+	(Lifetime)
+	Battery Total Discharge		kWh	0.1
+	(Lifetime)
+	BMS Maximum Charge Voltage	V	0.01
+	BMS Maximum Charge Current	A	1
+	BMS Maximum Discharge Current	A	1
+</code>
-    Register 115: Total Operational Hours (Great for maintenance tracking).
+====== Grid and AC Data ======
+<code>
+      Grid Frequency                  Hz	0.01
+     Grid Voltage L1                 V       0.1
+     Grid Voltage L2                 V       0.1
+     Load Voltage                    V       0.1
+	Grid Current L1			A	0.1
+	Grid Current L2			A	0.1
+	GRID Power (Total)		W	1 (Signed)
+	Grid L1 Power (Internal CT)	W	1 (Signed)
+     Grid L2 Power (Internal CT)     W       1 (Signed)
+	External CT / Check Meter Power	W	1 (Signed)  <- Grid Import
+     Grid L1 Power (External CT)     W       1 (Signed)
+     Grid L2 Power (External CT)     W       1 (Signed)
+	Inverter Power (AC Output)	W	1 (Signed)
+     Load L1 Power                   W       1 (Signed)
+     Load L2 Power                   W       1 (Signed)
+	Load Power (Essential)		W	1
+	Total Load Power		kWh	0.1
+	Inverter L1 Current		A	0.1
+	Total Grid Daily Buy		kWh	0.1
+	Total Grid Daily Sell		kWh	0.1
+	Grid Total Buy (Lifetime)	kWh	0.1
+	Grid Total Sell (Lifetime)	kWh	0.1
+</code>
-. Solar PV Strings (Production)
+====== System Status and Health Data ======
+<code>
+	Inverter Temperature	°C	0.1 (Offset 1000)
+	DC Transformer Temp	°C	0.1 (Offset 1000)
+	Radiator Temperature	°C	0.1 (Offset 1000)
+	Inverter Mode		Code	(0: Standby, 1: Self-Check, 2: Normal, 3: Fault)
+	Fault Code 1		-	(Bitmapped)
+	Fault Code 2		-	(Bitmapped)
+</code>
-Since you have 12 panels, you likely have two strings (PV1 and PV2).
+====== Misc Data ======
+<code>
+	Modbus Protocol Version			Decimal
+	Control Software Version (Firmware)	Decimal
+	Communication Board Version		Decimal
+	Rated Power (e.g., 6000 for 6kW)	Watts
+</code>
-    Registers 186-187: PV1 Power and PV2 Power (Watts).
+Note:
+To compute for the temperature, subtract value by 1000 then divide by 10
-    Registers 188-189: PV1 Voltage and PV2 Voltage.
-    Registers 192-193: PV1 Current and PV2 Current (Amps).
-    Register 108: Daily PV Generation (kWh).
-. Battery Management (The Most Critical)
+https://community.home-assistant.io/t/connecting-to-the-new-deye-logger-to-home-assistant-using-esphome/997672
+<code>
-If you are using a LiFePO4 battery (like your LVTOPSUN), these are the registers that keep your system safe.
+Production
-    Register 183: Battery Voltage (Scale: 0.01).
+Sensor	Unit	Register
+Total Production	kWh	0x0060
+Daily Production	kWh	0x006C
+PV
-    Register 184: State of Charge (SOC %).
+Sensor	Unit	Register
+PV1 Voltage	V	0x006D
+PV1 Current	A	0x006E
+PV1 Power	W	computed (V × I)
+PV2 Voltage	V	0x006F
+PV2 Current	A	0x0070
+PV2 Power	W	computed (V × I)
+Total PV Power	W	computed (PV1 + PV2)
+Max Solar Power	W	0x0035
+Grid
-    Register 185: Battery Current (Signed: + for Charge, - for Discharge).
+Sensor	Unit	Register
+Grid Voltage 1	V	0x0096
+Grid Voltage 2	V	0x0097
+Grid Power	W	0x00A9
+Load
-    Register 190: Battery Temperature (Scale: 0.1, Offset: -100).
+Sensor	Unit	Register
+Daily Load Consumption	kWh	0x0054
+Total Load Consumption	kWh	0x0055
+Load L1 Voltage	V	0x009D
+Load L1 Current	A	0x00A4
+Load L1 Power	W	0x00B2
+Total Load Power	W	0x00B0
+Inverter
-    Register 191: Battery Power (Watts).
+Sensor	Unit	Register
+Total Power	W	0x00AD
+Inverter L1 Power	W	0x00AF
+DC Temperature	°C	0x005A
+AC Temperature	°C	0x005B
+Battery
-    Registers 312-315: Battery Capacity, Charge/Discharge efficiency, and Cycle Count (if supported by BMS).
+Sensor	Unit	Register
+Battery Voltage	V	0x00B7
+Battery Current	A	0x00BF
+Battery Power	W	0x00BE
+Battery SOC	%	0x00B8
+Battery Settings (diagnostic)
-. Grid & Consumption (The Business Side)
+Sensor	Unit	Register
+Battery Capacity	Ah	0x00CC
+Battery Empty Voltage	V	0x00CD
+Max Charge Current	A	0x00D2
+Max Discharge Current	A	0x00D3
+Battery Shutdown %	%	0x00D9
+Battery Restart %	%	0x00DA
+Battery Low %	%	0x00DB
+Selling Mode (diagnostic)
-Essential for monitoring your grocery business load vs. utility costs.
+Sensor	Unit	Register
+Selling Mode Time 1–6	HH:MM	0x00FA–0x00FF
+Selling Mode Power 1–6	W	0x0100–0x0105
+Selling Mode SOC 1–6	%	0x010C–0x0111
+Selling Mode Charge Flag 1–6	—	0x0112–0x0117
+</code>
-    Registers 166-168: Grid Voltage for L1, L2, L3 (if 3-phase).
+[[deyecodedefinition|Deye Code Definition (from Solarman)]]
-    Registers 169-171: Grid Power for L1, L2, L3 (Signed).
-    Register 172: Total Grid Power (Watts).
-    Register 175: Grid Frequency (Hz).
-    Registers 176-178: Load Power per Phase (Exactly what your shop is using).
-    Registers 76-78: Daily Grid Purchase, Daily Grid Sell, and Daily Load consumption.
-. Advanced Control (Writable Registers)
-As a developer, you can also write to these to automate your system.
-    Register 141: Max Battery Charge Current (Amps).
-    Register 142: Max Battery Discharge Current (Amps).
-    Register 127: Forced Charge/Discharge control.
-    Register 143: Battery Shutdown Voltage.
-In Modbus, you can't read all of these in one go. The maximum "chunk" size is typically 125 registers per request, but the Deye often chokes if you ask for more than 20-30 at once.
-Block1: Grid Info Start Reg=160; Length=20; "Pulls all Voltages, Power, and Frequencies."
-Block2: Solar/Batt Start Reg=180; Length=15; "Pulls all PV stats and Battery SOC/Volt/Amps."
-Block3: Health/Temp Start Reg=90; Length=15; "Pulls internal temps and fault codes."
-Block4: Totals/Yield Start Reg=60; Length=20; "Pulls Daily Energy, Total Energy, and Runtime."