Moxa M-1401 Manual descargar pdf (Pagina 126)

Chapter 9. Return Codes

Return Value Value Description

MXIO_OK 0 Function call was successful.

ILLEGAL_FUNCTION 1001

The function code received in the

query is not an allowable action for

the server (or slave).

ILLEGAL_DATA_ADDRESS 1002

The data address received in the

query is not an allowable address for

the server (or slave).

ILLEGAL_DATA_VALUE 1003

A value contained in the query data

field is not an allowable value for the

server (or slave).

SLAVE_DEVICE_FAILURE 1004

An unrecoverable error occurred while the

server (or slave) was attempting to perform

the requested action.

SLAVE_DEVICE_BUSY 1006

Specialized use in conjunction with

programming commands. The server (or

slave) is engaged in processing a

long-duration program command. The

client (or master) should retransmit the

message later when the server (or slave) is

free.

EIO_TIME_OUT 2001

The following situation may cause an

EIO_TIME_OUT :

1. Open socket timeout.

2. Send command to the I/O server timeout.

3. I/O response timeout.

EIO_INIT_SOCKETS_FAIL 2002

An error occurred when the Windows

system couldn’t complete SOCKET INIT.

EIO_CREATING_SOCKET_ERROR 2003

An error occurred when the Windows

system couldn’t initiate Socket.

EIO_RESPONSE_BAD 2004 The data received from Ethernet I/O server is

incorrect.

EIO_SOCKET_DISCONNECT 2005 The network connection from host computer

is down.

PROTOCOL_TYPE_ERROR 2006 Protocol type error.

SIO_OPEN_FAIL 3001 Open COM port failure.

SIO_TIME_OUT 3002

Unable to communicate to the COM

port in the designated time.

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