id SunSpec model identifier, value 101 for single-phase inverter. | 0 | FC03 | uint16 | | R |
l Model block length in Modbus registers following this field. | 1 | FC03 | uint16 | | R |
a Total AC output current across all phases, amperes. | 2 | FC03 | uint16 | A | R |
apha AC current on phase A, amperes. | 3 | FC03 | uint16 | A | R |
aphb AC current on phase B, amperes. | 4 | FC03 | uint16 | A | R |
aphc AC current on phase C, amperes. | 5 | FC03 | uint16 | A | R |
a_sf Scale factor exponent applied to all current registers. | 6 | FC03 | int16 | | R |
ppvphab Line-to-line voltage between phases A and B, volts. | 7 | FC03 | uint16 | V | R |
ppvphbc Line-to-line voltage between phases B and C, volts. | 8 | FC03 | uint16 | V | R |
ppvphca Line-to-line voltage between phases C and A, volts. | 9 | FC03 | uint16 | V | R |
phvpha Phase A voltage to neutral, volts. | 10 | FC03 | uint16 | V | R |
phvphb Phase B voltage to neutral, volts. | 11 | FC03 | uint16 | V | R |
phvphc Phase C voltage to neutral, volts. | 12 | FC03 | uint16 | V | R |
v_sf Scale factor exponent applied to all voltage registers. | 13 | FC03 | int16 | | R |
w AC real power output, watts, signed. | 14 | FC03 | int16 | W | R |
w_sf Scale factor exponent applied to the AC power register. | 15 | FC03 | int16 | | R |
hz AC grid frequency, hertz. | 16 | FC03 | uint16 | Hz | R |
hz_sf Scale factor exponent applied to the frequency register. | 17 | FC03 | int16 | | R |
va AC apparent power, volt-amperes, signed. | 18 | FC03 | int16 | VA | R |
va_sf Scale factor exponent applied to the apparent power register. | 19 | FC03 | int16 | | R |
var AC reactive power, var, signed. | 20 | FC03 | int16 | var | R |
var_sf Scale factor exponent applied to the reactive power register. | 21 | FC03 | int16 | | R |
pf AC power factor as a percentage, signed. | 22 | FC03 | int16 | Pct | R |
pf_sf Scale factor exponent applied to the power factor register. | 23 | FC03 | int16 | | R |
wh Cumulative AC energy produced, watt-hours, accumulating counter. | 24 | FC03 | uint32 | Wh | R |
wh_sf Scale factor exponent applied to the energy register. | 26 | FC03 | int16 | | R |
dca DC input current from the PV array, amperes. | 27 | FC03 | uint16 | A | R |
dca_sf Scale factor exponent applied to the DC current register. | 28 | FC03 | int16 | | R |
dcv DC input voltage from the PV array, volts. | 29 | FC03 | uint16 | V | R |
dcv_sf Scale factor exponent applied to the DC voltage register. | 30 | FC03 | int16 | | R |
dcw DC input power from the PV array, watts, signed. | 31 | FC03 | int16 | W | R |
dcw_sf Scale factor exponent applied to the DC power register. | 32 | FC03 | int16 | | R |
tmpcab Inverter cabinet internal temperature, degrees Celsius. | 33 | FC03 | int16 | C | R |
tmpsnk Heat sink temperature, degrees Celsius. | 34 | FC03 | int16 | C | R |
tmptrns Transformer temperature, degrees Celsius. | 35 | FC03 | int16 | C | R |
tmpot Other internal temperature sensor, degrees Celsius. | 36 | FC03 | int16 | C | R |
tmp_sf Scale factor exponent applied to all temperature registers. | 37 | FC03 | int16 | | R |
st Inverter operating state per SunSpec enumeration. | 38 | FC03 | uint16 | | R |
stvnd Vendor-defined operating state code, manufacturer-specific. | 39 | FC03 | uint16 | | R |
evt1 Standard event flags bitfield, bits 0 to 31. | 40 | FC03 | uint32 | | R |
evt2 Standard event flags bitfield, bits 32 to 63. | 42 | FC03 | uint32 | | R |
evtvnd1 Vendor-defined event flags bitfield, bits 0 to 31. | 44 | FC03 | uint32 | | R |
evtvnd2 Vendor-defined event flags bitfield, bits 32 to 63. | 46 | FC03 | uint32 | | R |
evtvnd3 Vendor-defined event flags bitfield, bits 64 to 95. | 48 | FC03 | uint32 | | R |
evtvnd4 Vendor-defined event flags bitfield, bits 96 to 127. | 50 | FC03 | uint32 | | R |