Omron CS1W-ETN21 operation manual Eacces, Drnotavail

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.
		Remote IP address or the remote 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 being
		opened.
	2211	High traffic at Unit; cannot execute service.
Results Storage Area Response Codes
	Response code	Description
	0000	Normal
	000D	A parameter error occurred at the remote IP address
		(EACCES).
	003E	Internal buffer cannot be reserved due to high receive load
		(ENOBUFS).
	0042 (see note)	An error occurred (EMSGSIZE).
	0044	Received ICMP data (ENOPROTOOPT).
	0045	Local socket closed (ECONNABORTED).
	0049	Duplicated port numbers (EADDRINUSE).
	004A	An error occurred (ECONNREFUSED).
		Passive remote is not available.
	004B (see note)	A communication error occurred with the remote node
		(ECONNRESET).
	004C	A parameter error occurred at the remote IP address (EAD-
		DRNOTAVAIL).
		A parameter was specified incorrectly.
		An attempt was made to actively open local TCP port.
	004E	A parameter error occurred at the remote IP address
		(ENETUNREACH). No network number in IP router table or
		incorrect router setting.
	0051	A parameter error occurred at the remote IP address
		(EHOSTUNREACH). Incorrect router setting.
	0053	A communication error occurred with the remote node
		(ETIMEDOUT). No remote exists.
	0081	Socket was closed during opening procedure.

Note These errors occur only in large multilayered networks.

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