AN-X4-AB-DHRIO (DH+) Page 45
Each sample consists of a sample serial number, the text 'Tot', the total traffic percentage, and a
text graphic representing the percentage.
The serial numbers can be used to identify which of the two rotating logs is currently active and
also to correlate entries with Station and Reply logs.
The text graphics show one = sign for each 5 percent.
DH+ Station Traffic Log
The DH+ Station Traffic Log shows the percentage of network time used for the commands from
each station plus the percentage of network time used by responses to those commands. It
measures the amount of network traffic (commands and corresponding replies) each station is
creating. It is useful to identify which stations are creating the most traffic on the network.
Each sample consists of:
the text 'Stn' and a sample serial number
a list of stations and its station percentage, along with a text graphic representing the
percentage
The serial numbers can be used to identify which of the two rotating logs is currently active and
also to correlate entries with Total Traffic and Reply logs.
The text graphics show one = sign for each 5 percent
DH+ Response Traffic Log
The DH+ Response Traffic Log shows the amount of network time used by each station in
sending responses to messages from other stations. It measures the amount of network traffic
each station is generating in response to commands from other stations. It is useful for
identifying nodes that are heavily loaded by commands from other nodes.
Each sample consists of:
the text 'Rsp' and a sample serial number
a list of stations and its response percentage, along with a text graphic representing the
percentage
The serial numbers can be used to identify which of the two rotating logs is currently active and
also to correlate entries with Total Traffic and Station logs.
The text graphics show one = sign for each 5 percent
Traffic Logs Examples
In this example, station 0 is a PLC-5, station 1 is a SLC-5/04, station 37 is an AN-X and station
77 is a 1756-DHRIO.
The PLC-5 and SLC are sending messages to each other. A ControlLogix is reading stat from
both the PLC-5 and SLC through the 1756-DHRIO. A computer running RSLinx is reading
diagnostics from the PLC-5 and SLC through the AN-X.
Total Traffic Log
600 Tot 71% [==============
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