User Manual

SP-LIT E Si licon Pyran ometer

5.5 Program Example 3, Average and Total Solar Radi ation

Wiring for Example 3

Color Function

Example CR1000

Program Channels

Used

White Radiation Signal 1H

Green Signal Reference 1L

Jumpered to

Clear Shield

EXAMP LE 3. Sample Instructions to Measure an Hourly Average Flux

and a Daily Total Flux with a CR1000

'CR1000

'Declare Variables

Public Slr_kW

Public Slr_MJ

'Declare Hourly Data Table

DataTable(Table1,True,-1)

DataInterval(0,60,Min,0)

Average(1,Slr_kW,IEEE4,0)

EndTable

'Declare Daily Data Table

DataTable(Table2,True,-1)

DataInterval(0,1440,Min,0)

Totalize(1,Slr_MJ,IEEE4,0)

EndTable

'Program

BeginProg

Scan(10,Sec,1,0)

'SP-LITE Pyranometer measurements Slr_MJ and Slr_kW:

VoltDiff(Slr_kW,1,mV25,1,True,0,_60Hz,1,0)

If Slr_kW<0 Then Slr_kW=0

Slr_MJ=Slr_kW*0.001

Slr_kW=Slr_kW*0.1

CallTable(Table1)

CallTable(Table2)

NextScan

EndProg