Yokogawa PC-Based MX100 - Manual (Page 1099)

24-8
IM MX190-01E
mathInstChDA100
Syntax
int mathInstChDA100(DAQDA100 daqda100, int chNo);
Declaration
Visual Basic
Public Declare Function mathInstChDA100 Lib "DAQDA100"(ByVal
daqda100 As Long, ByVal chNo As Long) As Long
Visual Basic.NET
Public Declare Ansi Function mathInstChDA100 Lib
"DAQDA100"(ByVal daqda100 As Integer, ByVal chNo As Integer)
As Integer
C#
[DllImport("DAQDA100.dll" CharSet=CharSet.Auto,
EntryPoint="mathInstChDA100")]
public static extern int mathInstChDA100(int daqda100, int
chNo);
Parameters
daqda100 Specify the device descriptor.
chNo Specify the channel number.
Description
Gets the measured data of the specified computation channel.
• 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.
• The status is updated at the end of the process.
• This function executes the TS,FM command of the DARWIN communication
function.
Return value
Returns an error number.
Error:
Not descriptor No device descriptor.
Reference
CDAQDA100::mathInstCh
24.1 Details of Functions - DARWIN (VC/VB/VB.NET/C#) - Status Transition Functions