Talkchdatavbmx – Yokogawa PC-Based MX100 User Manual

Page 348

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5-90

IM MX190-01E

talkChDataVBMX

Syntax

int talkChDataVBMX(DAQMX daqmx, int chNo, MXDataNo *
startDataNo, MXDataNo * endDataNo);

Declaration

Public Declare Function talkChDataVBMX Lib "DAQMX"(ByVal daqmx
As Long, ByVal chNo As Long, ByRef startDataNo As MXDataNo,
ByRef endDataNo As MXDataNo) As Long

Parameters

daqmx

Specify the device descriptor.

chNo

Specify the channel number.

startDataNo

Specify the start data number.

endDataNo

Specify the end data number.

Description

Declares the retrieval of the measured data of the specified channel number.
• Except for reference specification, the data number specification is the same as

the talkChDataMX function.

• In Visual C, if NULL is specified for a data number, it is considered to be the

constant for “Data number for specifying instantaneous values.”

• For a description of the retrieval operation, see the talkChDataMX function.

Return value

Returns an error number.

Reference

talkChDataMX

5.1 Details of Functions - MX100 (Visual C/Visual Basic) -

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