Moxa M-1401 Handbuch PDF herunterladen (Seite 36)

ioLogik MXIO DLL API Reference Modbus Command Sets

5-2

MXIO_WriteCoils

This function code is used to write the contiguous status of an I/O

coils.

C/C++

Arguments

Return Value

int MXIO_WriteCoils ( int hConnection,

WORD wStartCoil,

WORD wCount,

BYTE bytCoils[ ]);

hConnection: Handle for the I/O connection.

wStartCoil: Specifies the starting coil to be written. The

address is beginning at 0.

wCount: The number of coils to be written.

bytCoils: An array that stores the coil value; each byte

holds eight coil values.

Succeed MXIO_OK.

Fail Refer

oRe

nCodes.

MXIO_ReadRegs

This function code is used to read the contents of a contiguous

block of the I/O holding registers.

C/C++

Arguments

Return Value

int MXIO_ReadRegs ( int hConnection,

BYTE bytRegisterType,

WORD wStartRegister,

WORD wCount,

WORD wRegister[ ]);

hConnection: The handle for an I/O connection.

bytRegisterType: Coil type to be read. The meaning for a value in

an entity is as follows:

3: read holding registers (output word).

4: read input register (input word).

wStartRegister: Specifies the starting register address. The

address is beginning at 0.

wCount: The number of coils to be read.

wRegister: An array that stores the register values.

Succeed MXIO_OK.

Fail Refer to Return Codes.

1 2 ... 31 32 33 34 35 36 37 38 39 40 41 ... 128 129

Kommentare zu diesen Handbüchern

Keine Kommentare

Moxa M-1401 Handbuch Seite 36

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Digitale und analoge E / A-Module Moxa M-1401