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Appendix b. example programs, Appendix b – Campbell Scientific 109-L Temperature Probe User Manual

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Appendix B. Example Programs

The following example can be used directly with CR200(X) series dataloggers.

'Program measures one 109 temperature probe once a second and
'stores the average temperature every 60 minutes.

'Wiring Diagram
'==============
' 109
' Probe
' Lead CR200(X)
' Color Function Terminal
' ----- -------- ------
' Black Voltage-excitation input VX1/EX1
' Red Analog-voltage output SE1
' Purple Bridge-resistor ground Ground Symbol
' Clear Shield Ground Symbol

‘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

This following example can be used directly with CR800 series, CR1000,

CR3000, and CR5000 dataloggers.

'Program measures one 109 temperature probe once a second and
'stores the average temperature every 60 minutes.

'Wiring Diagram
'==============
' 109
' Probe
' Lead CR1000
' Color Function Terminal
' ----- -------- ------
' Black Voltage-excitation input VX1 or EX1
' Red Analog-voltage output SE1
' Purple Bridge-resistor ground Ground Symbol

' Clear Shield Ground Symbol

'Declare the variables for the temperature measurement

Public

T109_C

'Define a data table for 60 minute averages:

DataTable

(Table1,True,-1)

DataInterval

(0,60,Min,0)

Average

(1,T109_C,IEEE4,0)

EndTable

B-1