Moxa M-1401 Manual descargar pdf (Pagina 86)

ioLogik MXIO DLL API Reference Direct I/O Command Sets

6-49

AI2K_SetRanges

This function code is used to set the ranges of contiguous A/I

channels.

C/C++

Arguments

Return Value

int AI2K_SetRanges ( int hConnection,

BYTE bytStartChannel,

BYTE bytCount,

WORD wRange[ ]);

hConnection: The handle for an I/O connection.

bytStartChannel: Specifies the starting channel.

bytCount: The number of channels to set.

wRange: An array that stores the ranges of the

contiguous A/I channels; wRange[0] represents

the value of the starting channel. The values

are:

00: ±150mV

01: ±500mV

02: ±5V

03: ±10V

04: 0-20mA

05: 4-20mA

Others: return Illegal Data Value

Succeed MXIO_OK.

Fail Refer to Return Codes.

AI2K_GetRange

This function code is used to get the range for a specific A/I

channel.

C/C++

Arguments

Return Value

int AI2K_GetRange ( int hConnection,

BYTE bytChannel,

WORD * wRange);

hConnection: The handle for an I/O connection.

bytChannel: The desired channel.

wRange: A pointer to the range of the desired A/I

channel. The values are:

00: ±150mV

01: ±500mV

02: ±5V

03: ±10V

04: 0-20mA

05: 4-20mA

Others: return Illegal Data Value

Succeed MXIO_OK.

Fail Refer to Return Codes.

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