Xylem STORM 3 Basic Programming manual - Manual (Page 39)

37
Commands and Functions
Used with the IF statement to specify a multi-line IF-THEN clause.
var = 40
IF (var >60) THEN
var = 60
ELSEIF (var >30) THEN
var = 30 REM sets var to 30
ELSE
var = 0
ENDIF
Returns the tangent value of the given number.
var = TAN(PI/4) REM sets var to 1
var = TAN(0) REM sets var to 0
TAN (number)
Returns the current read position of the given file number.
REM Presuming SiteID.csv contains:
REM Digital1,Analog2,WindSpeed
REM 56.23,2.25,126.5
OPEN “SiteID.csv” FOR READING AS #1
INPUT #1, var$ REM sets var$ to Digital1,Analog2,WindSpeed
var = TELL(#1) REM sets var to 27
SEEK #1, -6, “CURRENT”
var = TELL(#1) REM sets var to 21
INPUT #1, var$ REM sets var$ to Speed
CLOSE #1
TELL (filenumber)
THEN
Used with the FOR statement to specify the range of the loop.
FOR x = 1 TO 3
REM retrieve the past 3 values of the Sensor named “Analog”
GETVALUE SENSOR “Analog” x, var$
NEXT x
TO