Campbell Scientific CR200/CR200X-series Dataloggers - Manual (Page 109)

Section 10. CRBASIC Programming Instructions
If ... Then ... Else … ElseIf ... EndIf
Allows conditional execution, based on the evaluation of an expression. Else is
optional. ElseIf is optional (EndSelect and EndIf call the same function).
Syntax
If [condition] Then [thenstatements] Else [elsestatements]
-or-
If [condition 1] Then
[then statements]
ElseIf [condition 2] Then
[elseif then statements]
Else
[else statements]
EndIf
InterruptSequence
Specifies code to run when an interrupt condition occurs.
Syntax
InterruptSequence
LoggerIdentify
Sets an identification string in the datalogger that will be returned when another
string is sent to the datalogger.
Syntax
LoggernetIdentify (RequestString",ReturnString")
Scan … NextScan
Establishes the program scan rate. ExitScan and ContinueScan are optional.
Syntax
Scan (Interval, Units)
...
Next Scan
...
ContinueScan
...
Next Scan
ScanLEDOff
Turns off the LED on the datalogger's front case that indicates a program scan is
occurring.
Select Case … Case … Case Is … Case Else … EndSelect
Executes one of several statement blocks depending on the value of an
expression. CaseElse is optional. (EndSelect and EndIf call the same CR200(X)
function).
Syntax
Select Case testexpression
Case [expression 1]
[statement block 1]
Case [expression 2]
[statement block 2]
Case Is [expression fragment]
Case Else
[statement block 3]
EndSelect
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