Omron CS1W-ETN21 - Manual (Page 220)

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Command/Response Reference Section 7-3
Response Codes
7-3-27 SOCKET STATUS READ
Reads the Ethernet Unit network socket status.
Command Block
Response Block
Parameters
Socket Status (Response) Returns eight types of information in records of 32 bytes each. A maximum of
62 records can be returned. The format of each record is shown below.
Protocol (4 bytes)
The protocol used for the socket is returned as a number.
00 00 00 06: TCP; 00 00 00 11: UDP
Receive Queue (4 bytes)
The number of bytes in the reception queue.
Send Queue (4 bytes)
The number of bytes in the send queue.
Local IP Address (4 bytes)
The local IP address allocated to the socket.
Local Port Number (4 bytes)
The local port number allocated to the socket.
Remote IP Address (4 bytes)
The remote IP address allocated to the socket.
Remote Port Number (4 bytes)
The remote port number allocated to the socket.
Response code Description
0000 Normal
1001 Command too large
27 64
Command
code
27 64
Socket status Response
code
Command
code
32 bytes 32 bytes
Socket status