RTD2K_GetEngUnits
This function code is used to get contiguous RTD channel's engineering unit.
C/C++
int RTD2K_GetEngUnits ( int hConnection,
BYTE bytStartChannel,
BYTE bytCount,
WORD wEngUnit[ ]);
Visual Basic
Declare Function RTD2K_GetEngUnits Lib "MXIO.dll" (ByVal hConnection As Long, ByVal bytStartChannel As Byte, ByVal bytCount As Byte, iEngUnit As integer) As Long
Arguments:
hConnection |
The handle for an I/O device connection. |
bytStartChannel |
Specifies the starting channel. |
bytCount |
The number of channels to be get. |
wEngUnit |
An array that stores the contiguous RTD channel's engineering unit, wEngUnit[0] represents the value of the starting channel. The values for normal channel are: 0=Celsius 1=Fahrenheit 2=Ohm Others_return Illegal Data Value
The values for virtual channels are: 0=Celsius 1=Fahrenheit Others_return Illegal Data Value |
Return Value:
Succeed |
MXIO_OK |
Fail |
Refer to Return Codes. |