RainWise PVmet 500 Series, Руководство пользователя

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Table 3: SunSpec model 302, Solar Irradiance
Address
Offset
Block
Offset
Size Name Label Value Type Units SF R/W Description
0 1 ID Irradiance Model 302 uint16 R
Include to support various irradiance
measurements
1 1 L 5 uint16 R Model Length
2 0 1 GHI GHI uint16 W/m2 R Global Horizontal Irradiance
3 1 1 POAI POAI uint16 W/m2 R Plane-of-Array Irradiance
4 2 1 DFI DFI uint16 W/m2 R Diffuse Irradiance
5 3 1 DNI DNI uint16 W/m2 R Direct Normal Irradiance
6 4 1 OTI OTI uint16 W/m2 R Other Irradiance
The 303 model in the SunSpec standard is for the back of module (BOM) temperature sensors and has the following characteristics
shown in Table 4.
Table 4: SunSpec model 303, back of module temperature
Field Type
Address
Offset
Block
Offset
Size Name Label Value Type Units SF R/W Description
Header 0 1 ID
BOM
Temperature
Model
303 uint16 R
Include supporting a variable number of
BOM temperature measurements
Header 1 1 L 2 uint16 R Model Length
Repeating
Block
2 0 1 TmpBOM Temp int16 C -1 R
Back of module temperature
measurement
Model 307 in the SunSpec standard is for the base meteorological. The PVmet-500can produce data for:
•
Ambient Temperature
•
Relative Humidity
•
Barometric Pressure
•
Wind Speed
•
Wind Direction
•
Rainfall
The rest of the data for model 307 can be ignored. Table 5 shows the SunSpec model 307 data characteristics.