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ioLogik MXIO DLL API Reference Direct I/O Command Sets

6-51

AO_Writes

This function code is used to write the values of contiguous analog

output channels.

C/C++

Arguments

Return Value

int AO_Writes ( int hConnection,

BYTE bytSlot,

BYTE bytStartChannel,

BYTE bytCount,

double dValue[ ]);

hConnection: The handle for an I/O connection.

bytSlot: Slot number of the I/O module, from 1 to 32.

This parameter is inactive for the ioLogik

E2000 and R2000.

bytStartChannel: Specifies the starting channel.

bytCount: The number of channels to write.

dValue: An array that stores the values of contiguous

channel outputs. dValue [0] represents the value

of the starting channel. The unit is VDC for the

voltage channel and mA for the current

channel.

Succeed MXIO_OK.

Fail Refer to Return Codes.

AO_Read

This function code is used to read the value for a specific analog

output channel.

C/C++

Arguments

Return Value

int AO_Read ( int hConnection,

BYTE bytSlot,

BYTE bytChannel,

double * dValue);

hConnection: The handle for an I/O connection.

bytSlot: Slot number of the I/O module, from 1 to 32.

This parameter is inactive for the ioLogik

E2000 and R2000.

bytChannel: The desired channel.

dValue: A pointer to the value of the desired analog

output channel. The unit is VDC for the voltage

channel and mA for the current channel.

Succeed MXIO_OK.

Fail Refer

oRe

nCodes.

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Moxa M-1401 Manuel Page 88

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