SI100 Modbus registers

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Date: 2025-08-08

AddressIDDescription ScaleUnitFormatWidth TypeAccess
1016 ComTimeOutEMS EMS communication timeout. System goes to error on timeout. 0 turns it off 1.0 s UINT 1 holdingREAD_WRITE
2050 FirmwareHashNumberMaster First 4 bytes of Master FW Hash 1 UINT 2 inputREAD
2052 FirmwareHashNumberModule First 4 bytes of Module FW Hash 1 UINT 2 inputREAD
2401 TotalWarningsCnt Total number of errors 1.0 1 UINT 1 inputREAD
2808 TotalAlarmsCnt Total number of Alarms 1.0 UINT 1 inputREAD
3000 NsProtectionErrorCode Error code of NS Protection 1.0 UINT 1 holdingREAD_WRITE
4195 SystemSignedActivePowerSetPointAC Signed active power setpoint (positive = discharge) 10.0 W INT 1 holdingREAD_WRITE
4199 SystemSignedReactivePowerSetPointAC Singed reactive power setpoint (positive = inductive) 10.0 var INT 1 holdingREAD_WRITE
4203 CosPhiSetPointAC power factor setpoint cos(phi) from -1 to 1 (positive = inductive) 0.001 1 INT 1 holdingREAD
4222 IslandFrequencyOffset Frequency offset in island operation 0.001 Hz INT 1 holdingREAD_WRITE
4223 0x107F RESERVED (for Island Mode RMS Volrage) 0.001 Hz INT 1 holdingREAD
5500 InletAirTemperature Connection Box air temperature 0.01 deg C UINT 1 inputREAD
5501 mcuCoreTemperature 0.01 deg C UINT 1 inputREAD
6000 TemperatureMinSystem Min Temperature of System 0.01 deg C INT 1 holdingREAD
6001 TemperatureMinString1 Min Temperature of String1 0.01 deg C INT 1 holdingREAD
6022 TemperatureMinString2 Min Temperature of String2 0.01 deg C INT 1 holdingREAD
6043 TemperatureMinString3 Min Temperature of String3 0.01 deg C INT 1 holdingREAD
6064 TemperatureMaxSystem Max Temperature of System 0.01 deg C INT 1 holdingREAD
6065 TemperatureMaxString1 Max Temperature of String1 0.01 deg C INT 1 holdingREAD
6086 TemperatureMaxString2 Max Temperature of String2 0.01 deg C INT 1 holdingREAD
6107 TemperatureMaxString3 Max Temperature of String3 0.01 deg C INT 1 holdingREAD
6128 TemperatureAvgSystem Avg Temperature of System 0.01 deg C INT 1 holdingREAD
6129 TemperatureAvgString1 Avg Temperature of String1 0.01 deg C INT 1 holdingREAD
6150 TemperatureAvgString2 Avg Temperature of String2 0.01 deg C INT 1 holdingREAD
6171 TemperatureAvgString3 Avg Temperature of String3 0.01 deg C INT 1 holdingREAD
6192 VoltageMinSystem Min Voltage of System 0.01 V UINT 1 holdingREAD
6193 VoltageMinString1 Min Voltage of String1 0.01 V UINT 1 holdingREAD
6214 VoltageMinString2 Min Voltage of String2 0.01 V UINT 1 holdingREAD
6235 VoltageMinString3 Min Voltage of String3 0.01 V UINT 1 holdingREAD
6256 VoltageMaxSystem Max Voltage of System 0.01 V UINT 1 holdingREAD
6257 VoltageMaxString1 Max Voltage of String1 0.01 V UINT 1 holdingREAD
6278 VoltageMaxString2 Max Voltage of String2 0.01 V UINT 1 holdingREAD
6299 VoltageMaxString3 Max Voltage of String3 0.01 V UINT 1 holdingREAD
6320 VoltageAvgSystem Avg Voltage of System 0.01 V UINT 1 holdingREAD
6321 VoltageAvgString1 Avg Voltage of String1 0.01 V UINT 1 holdingREAD
6342 VoltageAvgString2 Avg Voltage of String2 0.01 V UINT 1 holdingREAD
6363 VoltageAvgString3 Avg Voltage of String3 0.01 V UINT 1 holdingREAD
6384 CurrentMinSystem Min Current of System 0.01 A INT 1 holdingREAD
6385 CurrentMinString1 Min Current of String1 0.01 A INT 1 holdingREAD
6406 CurrentMinString2 Min Current of String2 0.01 A INT 1 holdingREAD
6427 CurrentMinString3 Min Current of String3 0.01 A INT 1 holdingREAD
6448 CurrentMaxSystem Max Current of System 0.01 A INT 1 holdingREAD
6449 CurrentMaxString1 Max Current of String1 0.01 A INT 1 holdingREAD
6470 CurrentMaxString2 Max Current of String2 0.01 A INT 1 holdingREAD
6491 CurrentMaxString3 Max Current of String3 0.01 A INT 1 holdingREAD
6512 CurrentAvgSystem Avg Current of System 0.01 A INT 1 holdingREAD
6513 CurrentAvgString1 Avg Current of String1 0.01 A INT 1 holdingREAD
6534 CurrentAvgString2 Avg Current of String2 0.01 A INT 1 holdingREAD
6555 CurrentAvgString3 Avg Current of String3 0.01 A INT 1 holdingREAD
6576 SocMinSystem Min Soc of System 0.01 % UINT 1 holdingREAD
6577 SocMinString1 Min Soc of String1 0.01 % UINT 1 holdingREAD
6598 SocMinString2 Min Soc of String2 0.01 % UINT 1 holdingREAD
6619 SocMinString3 Min Soc of String3 0.01 % UINT 1 holdingREAD
6640 SocMaxSystem Max Soc of System 0.01 % UINT 1 holdingREAD
6641 SocMaxString1 Max Soc of String1 0.01 % UINT 1 holdingREAD
6662 SocMaxString2 Max Soc of String2 0.01 % UINT 1 holdingREAD
6683 SocMaxString3 Max Soc of String3 0.01 % UINT 1 holdingREAD
6704 SocAvgSystem Avg Soc of System 0.01 % UINT 1 holdingREAD
6705 SocAvgString1 Avg Soc of String1 0.01 % UINT 1 holdingREAD
6726 SocAvgString2 Avg Soc of String2 0.01 % UINT 1 holdingREAD
6747 SocAvgString3 Avg Soc of String3 0.01 % UINT 1 holdingREAD
6768 SohMinSystem Min Soh of System 0.01 % UINT 1 holdingREAD
6769 SohMinString1 Min Soh of String1 0.01 % UINT 1 holdingREAD
6790 SohMinString2 Min Soh of String2 0.01 % UINT 1 holdingREAD
6811 SohMinString3 Min Soh of String3 0.01 % UINT 1 holdingREAD
6832 SohMaxSystem Max Soh of System 0.01 % UINT 1 holdingREAD
6833 SohMaxString1 Max Soh of String1 0.01 % UINT 1 holdingREAD
6854 SohMaxString2 Max Soh of String2 0.01 % UINT 1 holdingREAD
6875 SohMaxString3 Max Soh of String3 0.01 % UINT 1 holdingREAD
6896 SohAvgSystem Avg Soh of System 0.01 % UINT 1 holdingREAD
6897 SohAvgString1 Avg Soh of String1 0.01 % UINT 1 holdingREAD
6918 SohAvgString2 Avg Soh of String2 0.01 % UINT 1 holdingREAD
6939 SohAvgString3 Avg Soh of String3 0.01 % UINT 1 holdingREAD
6960 CurrentLimitDischargeSystem 1.0 A UINT 1 holdingREAD
6964 CurrentLimitChargeSystem 1.0 A UINT 1 holdingREAD
6968 RatedCapacity System Energy Capacity 1.0 A UINT 1 holdingREAD
7060 DisplaySoc SOC normalized to a settable DOD range 0.01 % UINT 1 holdingREAD
20000 ComTimeOutEMS_dup EMS communication timeout. System goes to error on timeout. 0 turns it off 1.0 s UINT 1 holdingREAD
20017 SocAvgSystem_dup 0.01 % UINT 1 holdingREAD
20018 CurrentLimitDischargeSystem_dup 1.0 A UINT 1 holdingREAD
20019 CurrentLimitChargeSystem_dup 1.0 A UINT 1 holdingREAD
20020 DisplaySoc_dup SOC normalized to a settable DOD range 0.01 % UINT 1 holdingREAD
20111 TotalWarningsCnt_dup Total number of errors 1.0 1 UINT 1 inputREAD
20132 TotalAlarmsCnt_dup Total number of Alarms 1.0 UINT 1 inputREAD
20153 FirmwareHashNumberMaster_dup 1.0 UINT 2 inputREAD
20155 FirmwareHashNumberModule_dup 1.0 UINT 2 inputREAD
20157 RatedCapacity_dup 1.0 kWh UINT 1 inputREAD
20159 InletAirTemperature_dup Connection Box air temperature 0.01 deg C INT 1 inputREAD
20160 mcuCoreTemperature_dup 0.01 deg C INT 1 inputREAD