Active Tcp Open Request - Omron CS Series Operation Manual

Command/Response Reference

7-3-14 ACTIVE TCP OPEN REQUEST

Command Block
Response Block
Results Storage Format
Parameters
Socket Option (Command)
Response code
0049
004A (see note)
004B (see note)
004E (see note)
0051 (see note)
0053
0066
0080
0081
0082
Note These errors occur only in large multilayered networks.
Requests processing to open a TCP socket. The socket will be connected to
another node.
27 11
Command
code
TCP socket number
Socket option
27 11
Command Response
code code
Response Local port
code number
The socket option is specified in one byte.
Duplicated port numbers (EADDRINUSE).
An error occurred (ECONNREFUSED).
A communication error occurred with the remote node
(ECONNRESET).
A parameter error occurred at the remote IP address (ENE-
TUNREACH).
A parameter error occurred at the remote IP address (EHOS-
TUNREACH).
A communication error occurred with the remote node
(ETIMEDOUT). No remote exists.
Internal memory cannot be allocated; cannot execute service.
An open request timeout error occurred.
Socket was closed during opening procedure.
Connection could not be established with the specified
remote.
Results storage area Local TCP
port number
Section 7-3
Description
Remote IP Remote TCP
address port number
177