Moxa M-1401 Manual descarregar pdf (Página 118)

ioLogik MXIO DLL API Reference Direct I/O Command Sets

6-81

RTD2K_GetEngUnits

This function code is used to get contiguous RTD channel's

engineering unit.

C/C++

Arguments

Return Value

int RTD2K_GetEngUnits ( int hConnection,

BYTE bytStartChannel,

BYTE bytCount,

WORD wEngUnit[ ]);

hConnection: The handle for an I/O device connection.

bytStartChannel: Specifies the starting channel.

bytCount: The number of channels to be gets.

wEngUnit: An array that stores the contiguous RTD

channel's engineering unit, wEngUnit[0]

represents the value of the starting channel.

The values for normal channel are:

0=Celsius

1=Fahrenheit

2=Ohm

Others_: return Illegal Data Value

The values for virtual channels are:

0=Celsius

1=Fahrenheit

Others_: return Illegal Data Value

Succeed MXIO_OK.

Fail Refer to Return Codes.

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