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Configuration and startup
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4.9.2 PLC interface
The “PLC Interface” page provides diagnostic information about the EtherNet/IP
communication to a PLC. The values can be reset to zero at any time by clicking the “Reset
Statistics” button.
Figure 4-19 “PLC Interface” page
Active session count: Displays the number of active EtherNet/IP sessions. Sessions
support both Class 1 I/O and Class 3 messages, and may be initiated or terminated by the
PLC or the GW EIP/ASCII....
Active connections: Displays the current number of Class 1 and Class 3 active
connections.
Total connections established: Displays the total number of established connections.
Connections timed out: Displays the number of connections that have closed due to a
time out.
Connections closed: Displays the number connections that have closed due to a standard
processes.
Class 3 messages/responses received: Displays the number of Class 3 messages and
responses received from the PLCs.
Broadcast messages received: Displays the number of broadcast messages received
from the PLCs.
Class 3 messages/responses transmitted: Displays the number of Class 3 messages
and responses sent to the PLCs.
Class 1 output updates from PLC: Displays the number of Class 1 output data updates
received from the PLCs.
Class 1 input updates to PLC: Displays the number of Class 1 input data updates sent to
the PLCs.