Moxa M-1401 Manual descargar pdf (Pagina 102)

ioLogik MXIO DLL API Reference Direct I/O Command Sets

6-65

AO4K_SetSafeAction

This function code is used to set the safe action for a specific

channel.

C/C++

Arguments

Return Value

int AO4K_GetSafeAction ( int hConnection,

BYTE bytSlot,

BYTE bytChannel,

WORD wAction);

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

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

bytChannel: The desired channel.

wAction: Stores the safe action of the desired A/O

channel. The values are:

0: Safe value

1: Hold last state

2: Low Limit

3: High Limit

Succeed MXIO_OK.

Fail Refer

oRe

nCodes.

RTD Commands

RTD_Reads

This function code is used to read the temperature values for

contiguous channels.

C/C++

Arguments

Return Value

int RTD_Reads ( 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 read.

dValue: An array that stores the temperature values

of the contiguous channels. dValue[0]

represents the start channel.

When dValue is 0x8000, it means the sensor is

not wired correctly, or the measured value is

out of range. When using the RTD module for

Resistance Input, the unit is Ohm. When the

operating mode is temperature sensor, the unit

is C or F, depending on the setting. Use the

ioAdmin utility to check the current settings fo

the desired channels.

Succeed MXIO_OK.

Fail Refer to Return Codes.

1 2 ... 97 98 99 100 101 102 103 104 105 106 107 ... 128 129

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