Campbell Manufacturing LIQUID LEVEL DB1 Manual De Usuario

Every 60 seconds, the following program examples calculate the pressure 
transducer multiplier, measure the offset, and measure the liquid level.  The 
average liquid level is stored in final memory every 15 minutes. 

'CRBasic code for CR1000, CR800, or CR850 
 
Public WtrLvl 
Public Batt_Volt 
 
Dim i 
Dim j 
Dim mv 
Dim Sum 
Dim Mult 
Dim Offset 
Dim Valve(3) 
Dim Delta_mV 
 
Const Delta_H =   

 

'Unit of measurement of Delta_H will determine unit of measurement of final output. 
 
'\\\\\\\\\\\\\\\\\\\\\\\\ OUTPUT SECTION //////////////////////// 
 
DataTable(Table1,true,-1 
 DataInterval(0,5,Min,10) 
 Sample 

(1,WtrLvl,FP2) 

EndTable 
 
DataTable(Table2,true,-1) 
 DataInterval(0,1440,min,10) 
 Minimum(1,Batt_Volt,FP2,False,True) 
EndTable 
 
'\\\\\\\\\\\\\\\\\\\\\\\\\\\ PROGRAM //////////////////////////// 
 
BeginProg 
 
 

Scan(5,Min, 3, 0) 

  Battery(Batt_Volt) 
 
 

 

For i = 1 To 3 

 

 

 

Select Case i 

 

 

 

Case 1 

 

 

 

 

PortSet(1,1) 

 

 

 

Case 2 

 

 

 

 

PortSet(2,1)