Filter
Top Products
Chapter 3 Windows and Menus
© National Instruments Corporation 3-15 NI-FBUS Monitor User Manual
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