SMA Solar Technology AG STP60 SunSpec Modbus Profile – Assignment Tables
5.2.6 Table IC 121 (Inverter Controls Basic Settings)
No.
(DEC)
Description / Number code
CNT
(WORD)
Type
Access
Model ID (ID):
121 = SunSpec Basic Settings Model
Number of the following Modbus registers in accordance with
the PICS table (L): 30
Setting for maximum output active power (WMax),
in W
WMax_SF
(40288), (SMA: SGridNom*P_LIM_IF_Q).
1 uint16 RO
40269
Voltage at the PCC (VRef), in V
VRef_SF
(40289), (SMA: UN-
OM_LL).
1 uint16 RW
40270
Offset between PCC and inverter (VRefOfs), in V
VRefOfs_SF
(40290), (SMA: UNOMOFFSET).
1 int16 RW
40271
Set value for maximum voltage (VMax), in V
VMinMax_SF
(40291): NaN
1 uint16 RO
40272
Set value for minimum voltage (VMin), in V
VMinMax_SF
(40291):
Set value for maximum apparent power (VAMax),
in VA
VAMax_SF
(40292): NaN
1 uint16 RO
40274
Maximum reactive power in Q 1 (VArMaxQ1), in var
VArMax_SF
(40293) : NaN
Maximum reactive power in Q 2 (VArMaxQ2), in var
VArMax_SF
(40293) : NaN
Maximum reactive power in Q 3 (VArMaxQ3), in var
VArMax_SF
(40293) : NaN
1 int16 RO
40277
Maximum reactive power in Q 4 (VArMaxQ4), in var
VArMax_SF
(40293) : NaN
1 int16 RO
Technical Information STP60-SunSpec_Modbus-TI-en-12 25