Address Information Read - Omron SYSMAC CJ1W-EIP21 Operation Manual

FINS Commands Addressed to EtherNet/IP Units or Built-in EtherNet/IP Ports
Remote Port Number (4 bytes)
The remote port number allocated to the socket.
TCP Transitions (4 bytes)
The TCP connection status is returned as one of the numbers shown in the following table. Refer to Appendix
C TCP Status Transitions for a diagram of transitions.
Number Stage
00 00 00 00 CLOSED
00 00 00 01 LISTEN
00 00 00 02 SYN SENT
00 00 00 03 SYN RECEIVED SYN received and sent.
00 00 00 04 ESTABLISHED
00 00 00 05 CLOSE WAIT
00 00 00 06 FIN WAIT 1
00 00 00 07 CLOSING
00 00 00 08 LAST ACK
00 00 00 09 FIN WAIT 2
00 00 00 0A TIME WAIT
Precautions
All the above values are set to 0 if Ethernet communications functions are stopped due to improper settings in
the system setup.
Response Codes
Response code
0000 Normal end
1001 Command too large

ADDRESS INFORMATION READ

Reads FINS node addresses and IP addresses
Command Block
27 65
Command
code
Response Block
27 65
Command Response
code code of addresses
Parameters
Number of Addresses (Response)
Returns the number of pairs of FINS node addresses and IP addresses. With the EtherNet/IP Unit or built-in
EtherNet/IP port, this value is always 0001 (1 decimal).
414
Closed.
Waiting for connection.
SYN sent in active status.
Already established.
Received FIN, waiting to close.
Completed and FIN sent.
Completed and exchanged FIN. Awaiting ACK.
FIN sent and completed. Awaiting ACK.
Close completed and ACK received. Awaiting FIN.
After closing, pauses twice the maximum segment life (2MSL).
6 bytes
Number Address
information
Status
Description
Appendix E