Rockwell Automation 1203-SSS Smart Self-powered Serial Converter - Manual (Page 30)

4-4 Troubleshooting
Figure 4.2 Example Event Queue in HyperTerminal
Events
Many events in the Event queue occur under normal operation. If you
encounter unexpected communications problems, the events may help
you or Allen-Bradley personnel troubleshoot the problem. The following
events may appear in the event queue:
Table 4.A SCANport Mode
Press the UP ARROW or DOWN ARROW key to scroll
through the parameter list. Press the LEFT ARROW or
RIGHT ARROW key to modify parameter values. Press
the ENTER key to save a new value.
2R> Event Queue 1 = Pin ID Change
Events Description
Adapter Reset The serial converter was reset or power cycled.
Clear SP Fault The SCANport product issued this because a fault was cleared in it.
Clear SP Warning The SCANport product issued this because a warning was cleared.
Empty Queue No event is in the queue.
Message Timeout The DPI product did not respond to a message request. Verify the cables are
correct.
No SCANport Ping The serial converter issued this because no SCANport pings were detected
within a 2 second period. This event may be caused by a broken cable, a broken
serial converter or a malfunction in the SCANport product.
Pin ID Change The serial converter issued this because the SCANport Pin ID was changed.
This event is normal after a power cycled or reset.
SCANport Bus Off The serial converter issued this because its SCANport CAN chip went bus off.
This event may be caused by loose or broken cables or by noise.
SCANport Fault The SCANport product issued this because it was faulted. See its fault queue.
SCANport Reset The SCANport product issued this because it was reset.
SCANport Warning The SCANport product issued this because it had a warning.
SP Pin ID = 7
The serial converter issued this because its Pin ID has a value of 7. It should
have a value between 1 and 6. This event may be caused by a loose or broken
cable.