Yokogawa PC-Based MX100 - Manual (Page 1166)

24-75
IM MX190-01E
DARWIN for Extended API - Visual C/Visual Basic/Visual Basic.NET/Visual C#
24
mathInfoChDA100Reader
Syntax
int mathInfoChDA100Reader(DAQDA100READER daqda100reader, int
chNo);
Declaration
Visual Basic
Public Declare Function mathInfoChDA100Reader Lib
"DAQDA100"(ByVal daqda100reader As Long, ByVal chNo As Long)
As Long
Visual Basic.NET
Public Declare Ansi Function mathInfoChDA100Reader Lib
"DAQDA100"(ByVal daqda100reader As Integer, ByVal chNo As
Integer) As Integer
C#
[DllImport("DAQDA100.dll" CharSet=CharSet.Auto,
EntryPoint="mathInfoChDA100Reader"]
public static extern int mathInfoChDA100Reader(int
daqda100reader, int chNo);
Parameters
daqda100Reader Specify the device descriptor.
chNo Specify the channel number.
Description
Gets the channel information data of the specified computation channel range.
• If the constant for “Specify all channel numbers” is specified for the channel
numbers, all computation channels are processed.
• Specify measurement channels and computation channels separately.
• This function executes the EL command of the DARWIN communication function.
Return value
Returns an error number.
Error:
Not descriptor
No device descriptor.
Reference
CDAQDA100Reader::mathInfoCh
24.3 Details of Functions for Instantaneous Value Loading - DARWIN- Status Transition Functions