Campbell Scientific A6REL-12 Relay Driver - Manual (Page 9)

A6REL-12 Relay Driver
5.1 CRBasic
Although the following example is a CR1000 program, other dataloggers that
use CRBasic such as the CR800 and CR3000 are programmed similarly.
'CR1000 Series Datalogger
'Declare Public Variables
Public PTemp, batt_volt, P, TC
'Define Data Tables
DataTable (Test,1,-1)
DataInterval
(0,15,Sec,10)
Minimum (1,batt_volt,FP2,0,False)
Sample (1,PTemp,FP2)
Sample (1,TC,FP2)
EndTable
'Main Program
BeginProg
Scan
(5,Sec,0,0)
Battery (Batt_volt)
'Measure TC reference temperature
PanelTemp (PTemp,250)
'Make temperature measurement and convert it to degrees Fahrenheit
TCDiff (TC,1,mV2_5C,1,TypeT,PTemp,True ,0,250,1.8,32)
'If temperature is greater than 99 set Port low
If TC>99 then
P=0
'If temperature is less than 96 set Port high
ElseIf TC<96 then
P=1
EndIf
PortSet (1 ,P)
'Call Output Tables
'Example:
CallTable Test
NextScan
EndProg
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