Campbell-scientific 014A Met One Wind Speed Sensor Manual de usuario descargar pdf (Pagina 25)

Appendix B. Example Programs

B.1 Pulse Port Examples

The following CR1000 and CR10X programs use a pulse port to measure the

014A every 5 seconds. The programs store mean wind speed (in m s

–1

) every

60 minutes. Wiring for the examples is given in TABLE B-1.

TABLE B-1. Wiring for Pulse Port Example Programs

Color Description CR1000 CR10X

Black Signal P1 P1

White Signal Reference

Clear Shield

B.1.1 CR1000 Example Program

'CR1000

'Declare Variables and Units

Public Batt_Volt

Public WS_ms

Units Batt_Volt=Volts

Units WS_ms=meters/second

'Define Data Tables

DataTable(Table1,True,-1)

DataInterval(0,60,Min,10)

Average(1,WS_ms,FP2,False)

EndTable

'Main Program

BeginProg

Scan(5,Sec,1,0)

'Default Datalogger Battery Voltage measurement Batt_Volt:

Battery(Batt_Volt)

'014A Wind Speed Sensor measurement WS_ms:

PulseCount(WS_ms,1,1,2,1,0.8,0.447)

If WS_ms<0.448 Then WS_ms=0

'Call Data Tables and Store Data

CallTable(Table1)

NextScan

EndProg

B-1

1 2 ... 20 21 22 23 24 25 26 27 28 29 30 ... 35 36

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Campbell-scientific 014A Met One Wind Speed Sensor Manual de usuario Pagina 25