W5K_Cnt_Reads_Ex
This function code is used to read contiguous channel's count value when D/I channels in 'Count' mode.
C/C++
int W5K_Cnt_Reads_Ex( int hConnection,
BYTE bytStartChannel,
BYTE bytCount,
DWORD dwValue[ ] ,
BYTE BytSlot);
Visual Basic
Declare Function W5K_Cnt_Reads_Ex Lib "MXIO.dll" (ByVal hConnection As Long, ByVal bytStartChannel As Byte, ByVal bytCount As Byte, nValue As Long, ByVal bytSlot As Byte) As Long
Arguments:
hConnection |
The handle for an I/O device's connection. |
bytStartChannel |
Specifies the starting channel. |
bytCount |
The number of channels to be read. |
dwValue |
An array that stores the contiguous channel's count value , dwValue[0] represents the value of the starting channel. |
bytSlot |
Slot number of the I/O module. The Slot number ranges from 0 to 3. (0 for W5000 module) |
Return Value:
Succeed |
MXIO_OK |
Fail |
Refer to Return Codes. |