Omron CS1W-ETN21 operation manual Active TCP Open Request, Econnaborted, Econnreset, Tunreach

Command/Response Reference			Section 7-3
Response Codes
		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.
Results Storage Area Response Codes
		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.

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

27	11
Command		Results storage area Local TCP	Remote IP	Remote TCP
code		port number	address	port number
		TCP socket number
		Socket option

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