AO_GetSafeValue
This function code is used to get the safe value for a specific A/O channels.
C/C++
int AO_GetSafeValue( int hConnection,
BYTE bytSlot,
BYTE bytChannel,
double * dValue);
Visual Basic
Declare Function AO_GetSafeValue Lib "MXIO.dll" (ByVal hConnection As Long, ByVal bytSlot As Byte, ByVal bytChannel As Byte, dValue As doub) 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 32. But this parameter is inactive in ioLogik 2000. |
bytChannel |
The specific channel to be read. M-4402/M-4410 All Channels use the same safe vaule. Just only support bytChannel=0 |
dValue |
A pointer that stores the specific A/O channel's safe value to be get. The unit is Vdc for the voltage channel and mA for the current channel. |
Return Value:
Succeed |
MXIO_OK |
Fail |
Refer to Return Codes. |