Advantech PCI-1710 Guía de usuario descargar pdf (Pagina 177)

4.11 COM Port

4.11.1 COMOpen

Opens 1 of 4 serial communication ports (9 serial ports if SuperCom is installed). This function

must be called before using any of the functions listed below.

Input:

Data type Parameter Description

PortNo The number of the serial port

error in A cluster containing error information, such as the

status, code, and source elements that is passed from

a previous linked VI.

Output:

Data type Parameter Description

DevHandle The handler id of the device specified by DevNum as

assigned by the LabVIEW program.

ComHandle The handler id of the serial port specified by PortNo

error out A cluster containing error information. If error in

indicated an error, the status, code, and source

elements of error out have the same values as the

corresponding elements of error in

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Advantech PCI-1710 Guía de usuario Pagina 177