Campbell-scientific 109SS Temperature Probe Manual do Utilizador descarregar pdf (Página 23)

Appendix B. Example Programs

B.1 Example CRBasic Programs

B.1.1 Example 1 — Sample program for CR200(X) series

dataloggers

'Program measures one 109SS temperature probe once a second and

'stores the average temperature every 60 minutes.

'Wiring Diagram

'==============

'109SS Probe

' Wire

' Color Function CR200(X)

' ----- -------- ------

' Black Voltage-excitation input VX1 or EX1

' Red Analog-voltage output SE1

' Purple Bridge-resistor ground AG*

' Clear Shield G*

'*AG = Analog Ground (represented by ground symbol on CR200 wiring panel

‘Declare the variable for the temperature measurement

Public T109_C

‘Define a data table for 60 minute averages

DataTable (Table1,True,-1)

DataInterval (0,60,min)

Average (1,T109_C,False)

EndTable

BeginProg

Scan (1,sec)

'Measure the temperature

Therm109 (T109_C,1,1,Ex1,1.0,0)

'Call Data Table

CallTable Table1

NextScan

EndProg

B.1.2. Example 2 — Sample program for CR800 series, CR1000,

CR3000, and CR5000 dataloggers

'Program measures one 109SS temperature probe once a second and

'stores the average temperature every 60 minutes.

'Wiring Diagram

'==============

'109SS Probe

' Wire

' Color Function CR1000

' ----- -------- ------

' Black Voltage-excitation input VX1 or EX1

' Red Analog-voltage output SE1

' Purple Bridge-resistor ground AG*

' Clear Shield G*

B-1

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