Rockwell Automation 20-COMM-H RS485 HVAC Adapter FRN 2.xxx - Manual (Page 78)

8-6 Troubleshooting
20-COMM-H RS-485 HVAC Adapter User Manual
Publication 20COMM-UM009D-EN-P
Viewing and Clearing
Events The adapter has an event queue to record significant events that occur in the
operation of the adapter. When such an event occurs, an entry is put into the
event queue. You can view the event queue using an LCD PowerFlex
7-Class HIM, DriveExplorer (2.01 or higher) software, DriveExecutive
(1.01 or higher) software or other clients using the DPI Fault object.
The event queue can contain up to 32 entries. Eventually the event queue
will become full, since its contents are retained through adapter resets. At
that point, a new entry replaces the oldest entry. Only an event queue clear
operation or adapter power cycle will clear the event queue contents.
Resetting the adapter to defaults has no effect on the event queue.
Using the HIM to View and Clear Events
Step Keys Example Screen
Viewing Events
1. Access parameters in the adapter. Refer
to Using the PowerFlex 7-Class HIM on
page 3-2 .
2. Press the Up Arrow or Down Arrow to
scroll to Diagnostics.
3. Press Enter to display the Diagnostics
menu in the adapter.
4. Repeat steps 2 and 3 to enter the Events
option and then View Event Queue
option.
5. Press the Up Arrow or Down Arrow to
scroll through the events. The most
recent event is Event 1.
Clearing Events
1. Access parameters in the adapter. Refer
to Using the PowerFlex 7-Class HIM on
page 3-2 .
2. Press the Up Arrow or Down Arrow to
scroll to Diagnostics.
3. Press Enter to display the Diagnostics
menu in the adapter.
4. Repeat steps 2 and 3 to enter the Events
option and then the Clear Event option
or Clr Event Queue option. A message
will pop up to confirm that you want to
clear the message or queue.
5. Press Enter to confirm your request. If
Clr Event Queue was selected, all event
queue entries will then display “No
Event.”
or
or
or
Main Menu:
Diagnostics
Parameter
Device Select
Event Q: 1 E3
Ping Time Flt
Dgn: Events
View Event Queue
Clear Event
Clr Event Queue