CJ1W-EIP21 Omron, CJ1W-EIP21 Datasheet - Page 442

• Manufacturer Part Number: CJ1W-EIP21
• Description: Ethernet I/P Module
• Manufacturer: Omron

Specifications of CJ1W-EIP21

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

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.
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
ADDRESS INFORMATION READ
Reads FINS node addresses and IP addresses
Command Block
Response Block
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
FINS Commands Addressed to EtherNet/IP Units or Built-in EtherNet/IP Ports
00 00 00 00
00 00 00 01
00 00 00 02
00 00 00 03
00 00 00 04
00 00 00 05
00 00 00 06
00 00 00 07
00 00 00 08
00 00 00 09
00 00 00 0A TIME WAIT
0000
1001
Number
Response code
Command
Command
27 65
27 65
code
code
CLOSED
LISTEN
SYN SENT
SYN RECEIVED SYN received and sent.
ESTABLISHED
CLOSE WAIT
FIN WAIT 1
CLOSING
LAST ACK
FIN WAIT 2
Response
code
Stage
Normal end
Command too large
of addresses
Number
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).
information
Address
6 bytes
Description
Status
Appendix E