E42_DO_SetSafeActions
This function code is used to set the safe action of contiguous D/O channels.
C/C++
int E42_DO_SetSafeActions( int hConnection,
BYTE bytSlot,
BYTE bytStartChannel,
BYTE bytCount,
DWORD dwAction[ ]);
Visual Basic
Declare Function E42_DO_SetSafeActions Lib "MXIO.dll" (ByVal hConnection As Long, ByVal bytSlot As Byte, ByVal bytStartChannel As Byte, ByVal bytCount As Byte, nAction As Long) As Long
Arguments:
hConnection |
The handle for an I/O device connection. |
bytSlot |
Slot number of the I/O module. The Slot number ranges from 1 to 16. |
bytStartChannel |
Specifies the starting channel. |
bytCount |
The number of channels to be set. |
dwAction |
A pointer that stores the contiguous D/O channel's afe action values; each bit holds one channel value. A bit value of 0 represents the digital input status of the start channel. A bit value of 1 represents the second digital input channel's status. The values of the unused bits are random. 0: Fault Value 1: Hold last value |
Return Value:
Succeed |
MXIO_OK |
Fail |
Refer to Return Codes. |