E42_AO_Reads

 

This function code is used to read the output value of contiguous Analog Output channels.

 

C/C++

int E42_AO_Reads( int hConnection,

BYTE bytSlot,

BYTE bytStartChannel,

BYTE bytCount,

double dValue[ ]);

 

Visual Basic

Declare Function E42_AO_Reads Lib "MXIO.dll" (ByVal hConnection As Long, ByVal bytSlot As Byte, ByVal bytStartChannel As Byte, ByVal bytCount As Byte, dValue As Double) 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. But this parameter is inactive in ioLogik 2000.

bytStartChannel

Specifies the starting channel.

bytCount

The number of channels to be read.

dValue

An array that stores the contiguous channel output value to be read. The dValue[0] represents the value of the starting channel. The unit is Vdc for the voltage channel and mA for the current channel.

 

Return Value:

Succeed

MXIO_OK

Fail

Refer to Return Codes.