Moxa M-1401 Manual descarregar pdf (Página 117)

ioLogik MXIO DLL API Reference Direct I/O Command Sets

6-80

RTD2K_GetEngUnit

This function code is used to get the engineering unit for a specific

RTD channel.

C/C++

Arguments

Return Value

int RTD2K_GetEngUnit ( int hConnection,

BYTE bytChannel,

WORD * wEngUnit );

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

bytChannel : The specific channel to be get.

wEngUnit: A pointer that stores the specific RTD

channel's engineering unit. The values for

normal channels 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

oRe

n Codes.

RTD2K_SetEngUnit

This function code is used to set the engineering unit for a specific

RTD channel.

C/C++

Arguments

Return Value

int RTD2K_SetEngUnit ( int hConnection,

BYTE bytChannel,

WORD wEngUnit);

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

bytChannel : The specific channel to be set.

wEngUnit: A pointer that stores the specific RTD

channel's engineering unit. The values for

normal channels 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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