Huawei MODBUS data logging. Registers Map
The data can be automatically logged 24/7 into a database, CSV files, or Excel spreadsheets using the Advanced Serial Data Logger (for MODBUS RTU) Advanced TCP/IP Data Logger (for MODBUS TCP)
Huawei (SmartLogger) - Mapping
MODBUS offset
Description
Units
Data type
40004
Daylight saving time (DST)
word
40009
The local time
dword
40523
CO2 reduction
kg
dword
40525
Active power
kW
integer
40532
Power factor
smallint
40544
Reactive power
integer
40550
CO2 reduction
kg
int64
40554
DC current 2
integer
40564
Duration of daily power generation
h
dword
40568
Active alarm sequence number
dword
40570
Historical alarm sequence number
dword
40572
Phase A current
smallint
40573
Phase B current
smallint
40574
Phase C current
smallint
40685
Inverter efficiency
%
word
40697
Max. activeadjustm ent
kW
dword
40724
Fast device access
word
40736
Device access status
word
40737
Active power control mode
word
40738
Active power scheduling target value
kW
dword
40740
Reactive power control mode
word
40741
Reactive power scheduling curve mode
word
40802
Active scheduling percentage
%
dword
41124
CO2 emission reduction coefficient
word
41934
PV module capacity
kW
dword
41936
Rated plant capacity
kW
dword
There are more MODBUS items for this device. Please download the program to discover all registers.
Huawei (Solar Inverter) - Mapping
MODBUS offset
Description
Units
Data type
71
Number of mpp trackers
word
74
Maximum active power ( max)
kW
dword
76
Maximum apparent power (smax)
kVA
dword
78
Maximum reactive power (qmax, fed to the power grid)
kVar
integer
80
Maximum reactive power absorbed from the power grid)
kVar
integer
2065
Power grid voltage/line voltage between phases A and B
V
word
2066
Line voltage between phases B and C
V
word
2067
Line voltage between phases C and A
V
word
2071
Power grid current/phase A current
A
integer
2073
Phase B current
A
integer
2075
Phase C current
A
integer
2077
Peak active power of current day
kW
integer
2079
Active power
kW
integer
2081
Reactive power
kVar
integer
2083
Power factor
smallint
2086
Internal temperature
DC
smallint
2087
Insulation resistance
MW
word
2105
Accumulated energy yield
kWh
dword
2113
Daily energy yield
kWh
dword
5299
[active] adjustment mode
word
5301
[active] adjustment value
dword
5302
[active] adjustment command
word
5303
[reactive] adjustment mode
word
5304
[reactive] adjustment value
dword
5306
[reactive] adjustment command
word
6999
[energy storage unit 1] running status
word
7000
[energy storage unit 1] charge and discharge power
W
integer
7014
[energy storage unit 1] current day charge capacity
kWh
dword
There are more MODBUS items for this device. Please download the program to discover all registers.
Huawei (Sun2000) - MODBUS Registers
MODBUS offset
Description
Units
Data type
51000
Inverter 1, active power
kW
integer
51002
Inverter 1, reactive power
integer
51004
Inverter 1, total DC input current
smallint
51005
Inverter 1, total input power
kW
dword
51007
Inverter 1, insulation resistance
M
word
51008
Inverter 1, power factor
smallint
51009
Inverter 1, inverter status
word
51011
Inverter 1, cabinet temperature
smallint
51012
Inverter 1, major fault code
dword
51014
Inverter 1, minor fault code
dword
51016
Inverter 1, warning code
dword
51025
Inverter 2, active power
kW
integer
51027
Inverter 2, reactive power
integer
51029
Inverter 2, total DC input current
smallint
51030
Inverter 2, total input power
kW
dword
51032
Inverter 2, insulation resistance
M
word
51033
Inverter 2, power factor
smallint
51034
Inverter 2, inverter status
word
51036
Inverter 2, cabinet temperature
smallint
51037
Inverter 2, major fault code
dword
51039
Inverter 2, minor fault code
dword
51041
Inverter 2, warning code
dword
51050
Inverter 3, active power
kW
integer
51052
Inverter 3, reactive power
integer
51054
Inverter 3, total DC input current
smallint
51055
Inverter 3, total input power
kW
dword
51057
Inverter 3, insulation resistance
M
word
51058
Inverter 3, power factor
smallint
51059
Inverter 3, inverter status
word
51061
Inverter 3, cabinet temperature
smallint
51062
Inverter 3, major fault code
dword
51064
Inverter 3, minor fault code
dword
51066
Inverter 3, warning code
dword
51001
Environmental monitor instrument 1, wind direction (WD)
D
smallint
51003
Environmental monitor instrument 1, ambient temperature
smallint
51010
Environmental monitor instrument 1, custom 1
smallint
51026
Environmental monitor instrument 2, wind direction (WD)
D
smallint
51028
Environmental monitor instrument 2, ambient temperature
smallint
51035
Environmental monitor instrument 2, custom 1
smallint
51051
Environmental monitor instrument 3, wind direction (WD)
D
smallint
51053
Environmental monitor instrument 3, ambient temperature
smallint
51060
Environmental monitor instrument 3, custom 1
smallint
Huawei (Sun2000)-env - MODBUS Registers
MODBUS offset
Description
Units
Data type
51000
Environmental monitor instrument 1, wind speed (WSP)
smallint
51001
Environmental monitor instrument 1, wind direction (WD)
D
smallint
51002
Environmental monitor instrument 1, PV module temperature
smallint
51003
Environmental monitor instrument 1, ambient temperature
smallint
51004
Environmental monitor instrument 1, total irradiance
smallint
51005
Environmental monitor instrument 1, daily irradiation amount
dword
51007
Environmental monitor instrument 1, total irradiance 2
smallint
51008
Environmental monitor instrument 1, daily irradiation amount 2
dword
51010
Environmental monitor instrument 1, custom 1
smallint
51011
Environmental monitor instrument 1, custom 2
smallint
51012
Environmental monitor instrument 1, daily irradiation amount
dword
51014
Environmental monitor instrument 1, daily irradiation amount 2
dword
51025
Environmental monitor instrument 2, wind speed (WSP)
smallint
51026
Environmental monitor instrument 2, wind direction (WD)
D
smallint
51027
Environmental monitor instrument 2, PV module temperature
smallint
51028
Environmental monitor instrument 2, ambient temperature
smallint
51029
Environmental monitor instrument 2, total irradiance
smallint
51030
Environmental monitor instrument 2, daily irradiation amount
dword
51032
Environmental monitor instrument 2, total irradiance 2
smallint
51033
Environmental monitor instrument 2, daily irradiation amount 2
dword
51035
Environmental monitor instrument 2, custom 1
smallint
51036
Environmental monitor instrument 2, custom 2
smallint
51037
Environmental monitor instrument 2, daily irradiation amount
dword
51039
Environmental monitor instrument 2, daily irradiation amount 2
dword
51050
Environmental monitor instrument 3, wind speed (WSP)
smallint
51051
Environmental monitor instrument 3, wind direction (WD)
D
smallint
51052
Environmental monitor instrument 3, PV module temperature
smallint
51053
Environmental monitor instrument 3, ambient temperature
smallint
51054
Environmental monitor instrument 3, total irradiance
smallint
51055
Environmental monitor instrument 3, daily irradiation amount
dword
51057
Environmental monitor instrument 3, total irradiance 2
smallint
51058
Environmental monitor instrument 3, daily irradiation amount 2
dword
51060
Environmental monitor instrument 3, custom 1
smallint
51061
Environmental monitor instrument 3, custom 2
smallint
51062
Environmental monitor instrument 3, daily irradiation amount
dword
51064
Environmental monitor instrument 3, daily irradiation amount 2
dword
Related MODBUS registers maps
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