Advantech PCI-1710 Guía de usuario descargar pdf (Pagina 134)

4.5.10 ReadPortByte

Reads a 8-bit of byte data from the specified I/O port. The port address is an I/O port address on the

PC.

Input:

Data type Parameter Description

DevHandle The handler id of the device specified by DevNum as

assigned by the LabVIEW program..

Port The port number of specified device

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..

Va lu e Data value read from specified port

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 134