Campbell CR800 Especificações descarregar pdf (Página 242)

Section 9. Program Control Instructions

RealTime (TIME)

PulseCount (WINDSP,1,1 ,1,1,1.0,0)

PulseCount (RAIN,1,2,2,0,1.0,0)

CallTable METDATA

NextScan

EndProg

Call

The Call statement is used to transfer program control from the main program

to a subroutine.

Syntax

Call Name(list of variables)

Remarks

Use of the Call keyword when calling a subroutine is optional.

The Call statement has these parts:

Call Call is an optional keyword used to transfer

program control to a subroutine.

Name The Name parameter is the name of the

subroutine to call.

List of Variables or Constants The list may contain variables, constants, or

expressions that evaluate to a constant (i.e., do

not contain a variable) that should be passed

into the variables declared in the subroutine.

Values of variables passed can be altered by

the subroutine. If the subroutine changes the

value of the subroutine declared variable, it

changes the value in the variable that was

passed in. If a constant is passed to one of the

subroutine declared “variables”, that “variable”

becomes a constant and its value cannot be

changed by the subroutine.

Call Statement Example

See Sub description in Section 5.

CallTable

Used to call a data table.

Syntax

CallTable Name

Remarks

CallTable is used in the main program to call a DataTable. DataTables are

listed in the declaration section of the program prior to BeginProg. When the

DataTable is called, it will process data as programmed and check the output

condition.

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