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Tcp send request, 3-16 tcp send request, Command block – Omron CS1W-ETN21 User Manual

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178

Command/Response Reference

Section 7-3

Response Codes

Results Storage Area Response Codes

Note

These errors occur only in large multilayered networks.

7-3-16 TCP SEND REQUEST

Requests that data be received at a TCP socket.

Command Block

Response code

Description

0000

Normal

0105

Local IP address setting error

0302

CPU Unit error; execution not possible.

1001

Command too large

1002

Command too small

1100

TCP socket number or number of reception bytes is out of
range.

1101

The variable type for the results storage area is out of range.

1103

Non-zero bit address specified for the results storage area.

220F

The specified socket is receiving data.

2210

No connection could be established to the specified socket.

2211

High traffic at Unit; cannot execute service.

Response code

Description

0000

Normal

003E

Internal buffer cannot be reserved due to high receive load
(ENOBUFS).

0042 (see note)

Received ICMP data (EMSGSIZE).

0044 (see note)

Received ICMP data (ENOPROTOOPT).

0045 (see note)

A communication error occurred with the remote node
(ECONNABORTED).

004B

A communication error occurred with the remote node
(ECONNRESET).

004E (see note)

Incorrect destination IP address (ENETUNREACH).
No network number in IP router table.
Router incorrectly set.

004F (see note)

Received ICMP data (EHOSTDOWN).

0051 (see note)

Received ICMP data (EHOSTUNREACH).
Router incorrectly set.

0053

A communications error occurred with the remote node
(ETIMEDOUT).

0066

Internal memory cannot be allocated; cannot execute service.

0080

A receive request timeout error occurred.

0081

Socket was closed while receiving.

Number of

bytes sent

Results storage area

Command

code

Socket option

TCP socket number

27 13

Data sent

1,984 bytes max.