APPX
Appendix 2 Event List
791
A
00800 System Warning Link-down ■CPU module
The CPU module has entered into the
link-down state as a result of an operation
such as disconnecting a network cable
between the CPU module and an external
device.
■Redundant function module
The redundant function module has
entered into the communication disable
state as a result of any of the following:
• Any tracking cable was disconnected.
• The other system was powered off.
• An error occurred in the cable,
connector, or module.
Operation
source
information
Communication
speed and
communication
mode
00904 Socket
communication
send error
Sending a message over socket
communication failed.
00906 Alive check error The alive status of an external device
could not be checked within the period
specified by the response monitoring
timer.
00907 Divided message
receive timeout
error
• All the data could not be received
within the period specified by the
response monitoring timer.
• Data of the total data length could not
be received.
• The remaining part of the message
divided into the TCP/IP level could not
be received within the period specified
by the response monitoring timer.
00908 IP composition
timeout error
An IP composition timeout error occurred.
(The specified period of time expired
without receiving all of the divided data.)
00909 TCP-specified port
number error
A port number being used for opened
connection was set (for TCP/IP).
0090A UDP-specified port
number error
A port number being used for opened
connection was set (for UDP/IP).
Event
code
Event
type
Event
category
Detected event Description Detailed information
Detailed
information 1
Detailed
information 2
Detailed
information 3
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