Appendix b. example programs, B.1 pulse port examples, B.1.1 cr1000 example program – Campbell Scientific 014A Met One Wind Speed Sensor User Manual
Page 25: B.1.1, Appendix b
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
G
Clear
Shield
G
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
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