Fronius (Symo 20.0-3-M) logging - MODBUS registers map
This data is being extracted with the help of the Advanced Serial Data Logger (MODBUS RTU,ASCII) or Advanced TCP/IP Data Logger (MODBUS TCP) software only. It may not applicable for other software titles.
MODBUS offset
Description
Units
Data type
40071
Phase A Current
A
single
40073
Phase B Current
A
single
40075
Phase C Current
A
single
40077
Phase Voltage AB
V
single
40079
Phase Voltage BC
V
single
40081
Phase Voltage CA
V
single
40083
Phase Voltage AN
V
single
40085
Phase Voltage BN
V
single
40087
Phase Voltage CN
V
single
40091
Line Frequency
Hz
single
40093
AC Apparent Power
VA
single
40095
AC Reactive Power
var
single
40097
AC Power Factor
Pct
single
40107
Cabinet Temperature
C
single
40109
Heat Sink Temperature
C
single
40111
Transformer Temperature
C
single
40113
Other Temperature
C
single
40115
Enumerated value. Operating state
word
40116
Vendor specific operating state code
word
40117
Bitmask value. Event fields
dword
40119
Reserved for future use
dword
40121
Vendor defined events
dword
40123
Vendor defined events
dword
40125
Vendor defined events
dword
40127
Vendor defined events
dword
40131
Type of DER device. Default value is 4 to indicate PV device.
word
40132
Continuous power output capability of the inverter.
W
word
40133
Scale factor
smallint
40134
Continuous Volt-Ampere capability of the inverter.
VA
word
40135
Scale factor
smallint
40136
Continuous VAR capability of the inverter in quadrant 1.
var
smallint
40137
Continuous VAR capability of the inverter in quadrant 2.
var
smallint
40138
Continuous VAR capability of the inverter in quadrant 3.
var
smallint
40139
Continuous VAR capability of the inverter in quadrant 4.
var
smallint
40140
Scale factor
smallint
40141
Maximum RMS AC current level capability of the inverter.
A
word
40142
Scale factor
smallint
40143
Minimum power factor capability of the inverter in quadrant 1.
cos()
smallint
40144
Minimum power factor capability of the inverter in quadrant 2.
cos()
smallint
40145
Minimum power factor capability of the inverter in quadrant 3.
cos()
smallint
40146
Minimum power factor capability of the inverter in quadrant 4.
cos()
smallint
40147
Scale factor
smallint
40148
Nominal energy rating of storage device.
Wh
word
40149
Scale factor
smallint
There are more MODBUS items for this device. Please download the program to discover all registers.
Note: Products and companies mentioned here are used only for definition and identification purposes and can be trademarks and/or registered trademarks of the respective companies.