Moxa M-1401 Manual descargar pdf (Pagina 103)

ioLogik MXIO DLL API Reference Direct I/O Command Sets

6-66

RTD_Read

This function code is used to read the temperature value for a

specific channel.

C/C++

Arguments

Return Value

int RTD_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 temperature value of the

desired channel.

When dValue is 0x8000, it means the sensor is

not correctly wired 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 for the

desired channels.

Succeed MXIO_OK.

Fail Refer to Return Codes.

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Moxa M-1401 Manual Pagina 103