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Chapter 3
Windows and Menus
©
National Instruments Corporation
3-15
Following are descriptions of the checkboxes on the
Statistics View
toolbar:
Bandwidth
Displays the relative bandwidth between
FDL, FAS, and FMS packets.
FMS
Displays the FMS Service volume.
FDL
Displays the FDL PDU volume.
Verbose
Displays detailed statistics and spells out
parameter names.
Live List View
The
Live List View
shows what devices on the fieldbus are active. This
view lists active devices as
alive
and inactive devices as
dead
. The
Live
List View
is active only during data capture.
Schedule View
The
Schedule View
shows the function block schedule packet information
on the bus. An associated schedule file should be assigned in Capture
Settings before a capture is started.
Filters
The filter is a tool you can use interactively at capture time or after capture.
Filter Operation During Capture
During capture the filter is valid, and the NI-FBUS Monitor discards all
data not matching the filter. However, if there are multiple filter windows,
the NI-FBUS Monitor checks each filter to make sure that it retains the
desired data. If you make changes to the filter, the NI-FBUS Monitor
instantly downloads the changes to the fieldbus, so the changes take effect
immediately.
Filter Operation After Capture
After capture, you can filter out more undesired data (
postfilter
) by
selecting only the packets you want to view. Changes to the filter forces the
NI-FBUS Monitor to refilter the data, so that only the selected packets are
visible. The NI-FBUS Monitor retains all of the original captured data. To