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SMA STP6.0, Solar Inverter MODBUS registers: read online

Connect SMA to the computer through a USB-to-serial or RS485 adapter and read its registers in your browser: click "Read register values online" under the model (Chrome or Edge, nothing to install). The tables below list the MODBUS offset, unit, data type and scale of every register shown. For logging 24/7 into a database, CSV files or Excel, use the Advanced Serial Data Logger (for MODBUS RTU) or Advanced TCP/IP Data Logger (for MODBUS TCP): they poll the complete map of every model on this page and provide continuous SMA logging and read.

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SMA (STP6.0) - Measurement Data

Registers in the map: 401 (the first 50 are listed below; the browser reader and the data loggers use the complete map). function 3 (holding registers). byte order big-endian. data types: dword, int64, integer, smallint, utf8(64), utf8(8), word.

MODBUS offsetDescriptionUnitsData typeScale
40185AC CurrentAword×10A_SF
40186Phase A CurrentAword×10A_SF
40187Phase B CurrentAword×10A_SF
40188Phase C CurrentAword×10A_SF
40189Scale factor [A_SF] smallint 
40190Phase Voltage ABVword×10V_SF
40191Phase Voltage BCVword×10V_SF
40192Phase Voltage CAVword×10V_SF
40193Phase Voltage ANVword×10V_SF
40194Phase Voltage BNVword×10V_SF
40195Phase Voltage CNVword×10V_SF
40196Scale factor [V_SF] smallint 
40197AC PowerWsmallint×10W_SF
40198Scale factor [W_SF] smallint 
40199Line FrequencyHzword×10HZ_SF
40200Scale factor [HZ_SF] smallint 
40201AC Apparent PowerVAsmallint×10VA_SF
40202Scale factor [VA_SF] smallint 
40203AC Reactive Powervarsmallint×10VAR_SF
40204Scale factor [VAR_SF] smallint 
40205AC Power Factor%smallint×10PF_SF
40206Scale factor [PF_SF] smallint 
40207AC EnergyWhdword×10WH_SF
40209Scale factor [WH_SF] smallint 
40210DC CurrentAword×10DCA_SF
40211Scale factor [DCA_SF] smallint 
40212DC VoltageVword×10DCV_SF
40213Scale factor [DCV_SF] smallint 
40214DC PowerWsmallint×10DCW_SF
40215Scale factor [DCW_SF] smallint 
40216Cabinet Temperaturedeg Csmallint×10TMP_SF
40217Heat Sink Temperaturedeg Csmallint×10TMP_SF
40218Transformer Temperaturedeg Csmallint×10TMP_SF
40219Other Temperaturedeg Csmallint×10TMP_SF
40220Scale factor [TMP_SF] smallint 
40221Enumerated value. Operating state word 
40222Vendor specific operating state code word 
40223Bitmask value. Event fields dword 
40225Reserved for future use dword 
40227Vendor defined events dword 
40229Vendor defined events dword 
40231Vendor defined events dword 
40233Vendor defined events dword 
40237Type of DER device. Default value is 4 to indicate PV device. word 
40238Continuous power output capability of the inverter.Wword×10WRTG_SF
40239Scale factor smallint 
40240Continuous capability of the inverter.VAword×10VARTG_SF
40241Scale factor smallint 
40242Continuous VAR capability of the inverter in Q1.varsmallint×10VARRTG_SF
40243Continuous VAR capability of the inverter in Q2.varsmallint×10VARRTG_SF

This is not the complete map: 50 of 401 registers are listed above. Click "Read register values online" to read any register of your device in the browser, or download the program to log the complete map.

SMA (Solar Inverter) - MODBUS Values

Registers in the map: 248 (the first 50 are listed below; the browser reader and the data loggers use the complete map). function 3 (holding registers). byte order big-endian. data types: dword, int64, smallint, utf8(8), word.

MODBUS offsetDescriptionUnitsData typeScale
40185AC CurrentAword×10A_SF
40186Phase A CurrentAword×10A_SF
40187Phase B CurrentAword×10A_SF
40188Phase C CurrentAword×10A_SF
40189Scale factor [A_SF] smallint 
40190Phase Voltage ABVword×10V_SF
40191Phase Voltage BCVword×10V_SF
40192Phase Voltage CAVword×10V_SF
40193Phase Voltage ANVword×10V_SF
40194Phase Voltage BNVword×10V_SF
40195Phase Voltage CNVword×10V_SF
40196Scale factor [V_SF] smallint 
40197AC PowerWsmallint×10W_SF
40198Scale factor [W_SF] smallint 
40199Line FrequencyHzword×10HZ_SF
40200Scale factor [HZ_SF] smallint 
40201AC Apparent PowerVAsmallint×10VA_SF
40202Scale factor [VA_SF] smallint 
40203AC Reactive Powervarsmallint×10VAR_SF
40204Scale factor [VAR_SF] smallint 
40205AC Power Factor%smallint×10PF_SF
40206Scale factor [PF_SF] smallint 
40207AC EnergyWhdword×10WH_SF
40209Scale factor [WH_SF] smallint 
40210DC CurrentAword×10DCA_SF
40211Scale factor [DCA_SF] smallint 
40212DC VoltageVword×10DCV_SF
40213Scale factor [DCV_SF] smallint 
40214DC PowerWsmallint×10DCW_SF
40215Scale factor [DCW_SF] smallint 
40216Cabinet Temperaturedeg Csmallint×10TMP_SF
40217Heat Sink Temperaturedeg Csmallint×10TMP_SF
40218Transformer Temperaturedeg Csmallint×10TMP_SF
40219Other Temperaturedeg Csmallint×10TMP_SF
40220Scale factor [TMP_SF] smallint 
40221Enumerated value. Operating state word 
40222Vendor specific operating state code word 
40223Bitmask value. Event fields dword 
40225Reserved for future use dword 
40227Vendor defined events dword 
40229Vendor defined events dword 
40231Vendor defined events dword 
40233Vendor defined events dword 
40237Type of DER device. Default value is 4 to indicate PV device. word 
40238Continuous power output capability of the inverter.Wword×10WRTG_SF
40239Scale factor smallint 
40240Continuous capability of the inverter.VAword×10VARTG_SF
40241Scale factor smallint 
40242Continuous VAR capability of the inverter in Q1.varsmallint×10VARRTG_SF
40243Continuous VAR capability of the inverter in Q2.varsmallint×10VARRTG_SF

This is not the complete map: 50 of 248 registers are listed above. Click "Read register values online" to read any register of your device in the browser, or download the program to log the complete map.

Related MODBUS registers maps

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.

MODBUS COM Port Connection