Moxa M-1401 Handbuch PDF herunterladen (Seite 96)

ioLogik MXIO DLL API Reference Direct I/O Command Sets

6-59

AO2K_SetRanges

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

channels.

C/C++

Arguments

Return Value

int AO2K_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/O channels. wRange[0]

represents the value of the starting channel. The

values are:

0: 0-10 VDC

1: 4-20 mA

Others : return Illegal Data Value

Succeed MXIO_OK.

Fail Refer

oRe

nCodes.

AO2K_GetRange

This function code is used to get the range of a specific A/O

channel.

C/C++

Arguments

Return Value

int AO2K_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/O

channel. The values are:

0: 0-10 VDC

1: 4-20 mA

0xff: disable

Others : return Illegal Data Value

Succeed MXIO_OK.

Fail Refer to Return Codes.

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