Measinstchda100reader – Yokogawa PC-Based MX100 User Manual

Page 1169

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24-78

IM MX190-01E

measInstChDA100Reader

Syntax

int measInstChDA100Reader(DAQDA100READER daqda100reader, int
chType, int chNo);

Declaration

Visual Basic
Public Declare Function measInstChDA100Reader Lib
"DAQDA100"(ByVal daqda100reader As Long, ByVal chType As Long,
ByVal chNo As Long) As Long
Visual Basic.NET
Public Declare Ansi Function measInstChDA100Reader Lib
"DAQDA100"(ByVal daqda100reader As Integer, ByVal chType As
Integer, ByVal chNo As Integer) As Integer
C#
[DllImport("DAQDA100.dll" CharSet=CharSet.Auto,
EntryPoint="measInstChDA100Reader"]
public static extern int measInstChDA100Reader(int
daqda100reader, int chType, int chNo);

Parameters

daqda100Reader

Specify the device descriptor.

chType

Specify the channel type.

chNo

Specify the channel number.

Description

Gets the measured data of the specified measurement channel (specified with the

channel type and channel number).
• If the channel type is set to the constant for “Specify all measurement channel

types,” all subunits are processed.

• If the channel number is set to the constant for “Specify all channel numbers,” all

channels within the channel type are processed.

• Gets the measured data and alarm data.

• Specify measurement channels and computation channels separately.
• This function executes the EF command of the DARWIN communication function.

Return value

Returns an error number.
Error:

Not descriptor

No device descriptor.

Reference

CDAQDA100Reader::measInstCh

24.3 Details of Functions for Instantaneous Value Loading - DARWIN- Status Transition Functions

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