TC_Read

 

This function code is used to read the temperature value for a specific channel.

 

C/C++

int TC_Read( int hConnection,

BYTE bytSlot,

BYTE bytChannel,

double * dValue);

 

Visual Basic

Declare Function TC_Read Lib "MXIO.dll" (ByVal hConnection As Long, ByVal bytSlot As Byte, ByVal bytChannel 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 32. But this parameter is inactive in ioLogik 2000.

bytChannel

The specific channel to be read.

dValue

Stores the specific channel's temperature value to be read. When the dValue is 0x7fffffff, it means the sensor is not wired correctly. When the operating mode of the TC module is voltage input, the unit is μv. Use ioAdmin to check the I/O module settings.

 

 

Return Value:

Succeed

MXIO_OK

Fail

Refer to Return Codes.