Omron CS1W-ETN21 - Manual (Page 209)

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Command/Response Reference Section 7-3
Remote TCP Port Number
(Response) Specifies the TCP port number for the remote node.
TCP Transitions
(Response) Specifies the TCP connection status using the following numbers.
For details on TCP status changes, refer to Appendix C TCP Status Transi-
tions.
Response Codes
7-3-21 IP ADDRESS TABLE WRITE
Writes the IP address table.
Command Block
Response Block
Parameters
Number of Records
(Command) The number of records to write is specified in hexadecimal between 0000 and
0020 (0 to 32 decimal) in the command. If this value is set to 0, the IP address
table will be cleared so that no records are registered.
Number Status Meaning
00000000 CLOSED Connection closed.
00000001 LISTEN Waiting for connection.
00000002 SYN SENT SYN sent in active status.
00000003 SYN RECEIVED SYN received and sent.
00000004 ESTABLISHED Already established.
00000005 CLOSE WAIT FIN received and waiting for completion.
00000006 FIN WAIT 1 Completed and FIN sent.
00000007 CLOSING Completed and exchanged FIN. Awaiting ACK.
00000008 LAST ACK FIN sent and completed. Awaiting ACK.
00000009 FIN WAIT 2 Completed and ACK received. Awaiting FIN.
0000000A TIME WAIT After closing, pauses twice the maximum seg-
ment life (2MSL).
Response code Description
0000 Normal
0105 Node address setting error
Local IP address setting error
0302 CPU Unit error; execution not possible.
1001 Command too large
1002 Command too small
1100 Connection number not set from 1 to 16
Number
of records
IP address
table records Command
code
27 50
IP address
table records
6 bytes 6 bytes
Command
code
Response
code
27 50