RainWise PVmet 500 Series User Manual page 18

Address Block
Size
Offset Offset
0 1
1 1
2 0 1
3 1 1
4 2 1
5 3 1
6 4 1
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.
Address Block
Field Type
Offset Offset
Header 0
Header 1
Repeating
2 0
Block
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.
Table 3: SunSpec model 302, Solar Irradiance
Name Label
ID Irradiance Model
L
GHI GHI
POAI POAI
DFI DFI
DNI DNI
OTI OTI
Table 4: SunSpec model 303, back of module temperature
Size Name Label
BOM
1 ID Temperature
Model
1 L
1 TmpBOM Temp
Value Type Units
302 uint16
5 uint16
uint16 W/m2
uint16 W/m2
uint16 W/m2
uint16 W/m2
uint16 W/m2
Value Type Units
303 uint16
2 uint16
int16 C
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SF R/W
Include to support various irradiance
R
measurements
R Model Length
R Global Horizontal Irradiance
R Plane-of-Array Irradiance
R Diffuse Irradiance
R Direct Normal Irradiance
R Other Irradiance
SF R/W
Include supporting a variable number of
R
BOM temperature measurements
R
Back of module temperature
-1 R
Description
Description
Model Length
measurement