GE GEFanuc Automation Programmable Control Products TCP/IP Ethernet Communications for the Series 90t-70 PLC GFK-1004B User Manual

Page 195

6-24

TCP/IP Ethernet Communications User’s Manual – January 1996

GFK-1004B

Table 6-10. Exception Log Event Codes - Continued

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Log Event

Code

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Possible Cause and Resolution

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Event ”12”
TCP events
(Continued)

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18 “Connection to remote node failed; resuming”

Sent RST in tcpacked( ). Entry 3 is the endpoint (TCP connection identifier).
Entry 4

is the TCP state as shown above. Entry 5 is the code field of the

offending packet.

19 “Connection to remote node failed; resuming”

Sent a TCP RST to a remote node aborting a failed TCP connection. This
abort was done due to a mismatch in local and remote connection status.
Entry 3

is the endpoint (TCP connection identifier). Entry 4 is the TCP state:

1 = CLOSED

2 = LISTEN

3 = SYN-SENT

4 = SYN-RECEIVED

5 = ESTABLISHED

6 = FIN-WAIT-1

7 = FIN-WAIT-2

8 = CLOSE-WAIT

9 = LAST-ACK

10 = CLOSING

11 = TIME-WAIT

Entry 5

contains TCP flags.

1a “Connection to remote node failed; resuming”

Sent a TCP RST to a remote node aborting its TCP connection. This abort was
done because the connection was unknown to the local Interface. Entry 3 is
the source TCP port. Entry 4 is the destination TCP port. Entry 5 is the code
field of the offending TCP packet.

1b “Connection to remote node failed; resuming”

Gave up on TCP connection establishment due to exceeding the limit on the
listen queue size.

1c “Connection to remote node failed; resuming”

Closed a connection that has not yet been set up Entry 3 contains the end-
point, and Entry 4 contains the TCP state. This exception may serve to explain
a subsequent event 12, Entry 2 = 1a exception.

(Not reported to PLC Fault Table)
An error has occurred while retrieving program task names, but the software
is unable to clear an entry in the PSM transfer table. Entry 3 is the returned
status code and is significant to developers.