Omron CS1W-ETN21 - Manual (Page 199)

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Command/Response Reference Section 7-3
Response Codes
Results Storage Area Response Codes
Note These errors occur only in large multilayered networks.
7-3-14 ACTIVE TCP OPEN REQUEST
Requests processing to open a TCP socket. The socket will be connected to
another node.
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 is out of range.
Local TCP port number is 0.
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 (connection) is already open or is cur-
rently being opened.
2211 High traffic at Unit; cannot execute service.
Response code Description
0000 Normal
003E Internal buffer cannot be reserved due to high reception load
(ENOBUFS).
0042 (see note) An error occurred (EMSGSIZE).
0045 A communication error occurred with the remote node
(ECONNABORTED).
0049 Duplicated port numbers (EADDRINUSE).
004A (see note) An error occurred (ECONNREFUSED).
004B (see note) A communication error occurred with the remote node
(ECONNRESET).
004E (see note) A parameter error occurred at the remote IP address (ENE-
TUNREACH).
0051 (see note) A parameter error occurred at the remote IP address (EHOS-
TUNREACH).
0053 A communication error occurred with the remote node
(ETIMEDOUT). No remote exists.
0066 Internal memory cannot be allocated; cannot execute service.
0080 An open request timeout error occurred.
0081 Socket was closed during opening procedure.
0082 Connection could not be established with the specified
remote.
Local TCP
port number
Results storage area Remote IP
address
Remote TCP
port number
Command
code
Socket option
TCP socket number
27 11