10 opendarwin – Yokogawa PC-Based MX100 User Manual

Page 517

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10-19

IM MX190-01E

Functions for the DARWIN - Visual C/Visual Basic -

10

openDARWIN

Syntax

DAQDARWIN openDARWIN(const char * strAddress, int *
errorCode);

Declaration

Public Declare Function openDARWIN Lib "DAQDARWIN"(ByVal
strAddress As String, ByRef errorCode As Long) As Long

Parameters

strAddress

Specify the IP address as a string.

errorCode

Specify the destination where the error number is to be returned.

Description

Connects to the device with the IP address specified by the parameters.

• Creates a device descriptor and returns the value as a return value.
• Stores the error number in the return specified destination if one is specified.

• The port number fixed, and set to the communication constant “communication

port number.”

• If unsuccessful, returns NULL in Visual C or 0 in Visual Basic.

Return value

Returns the device descriptor.

Error
Creating descriptor is failure

Failed to create the device descriptor.

Reference

CDAQDARWIN::open

10.1 Details of Functions - DARWIN (Visual C/Visual Basic) -

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