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9 Troubleshooting
NX-series Communications Interface Units User’s Manual (W540)
9-3 Checking for Errors and Troubleshooting on the Support Software
9
9-3-3 Event Codes for Errors and Troubleshooting Proce-
dures
Event name Overrun Error Event code 85430000 hex
Meaning An overrun error occurred.
Source
Depends on where the Support
Software is connected and the
system configuration.
Source
details
NX Unit
Detection
timing
Continuously
Error attributes
Level Observation Log category System
Recovery ---
Effects
User program
Continues.
Operation
The NX Unit will continue to operate. The received
data may not be correct.
System-defined
variables
Variable Data type Name
None ---
---
Cause and
correction
Assumed cause Correction Prevention
The next data was received
du
ring processing of received
data because the baud rate is
too high.
Reduce the baud rate.
Reduce the baud rate.
Attached
information
Attached information 1: Port where error occurred
0001 hex: Port 1
0010 hex: Port 2
Precautions/
Remarks
You can change the event level to the minor fault level. If you change the level to the minor fault level,
the Recovery column above will be changed to “Reset error in NX Unit.”
Event name Event Log Cleared Event code 90400000 hex
Meaning The event log was cleared.
Source
Depends on where the Support
Software is connected and the
system configuration.
Source
details
NX Unit
Detection
timing
When com-
manded from
user
Error attributes
Level Information Log category Access
Recovery ---
Effects
User program
Continues. Operation Not affected.
System-defined
variables
Variable Data type Name
None ---
---
Cause and
correction
Assumed cause Correction Prevention
The event log was cleared by
the user
.
--- ---
Attached
information
Attached information 1: Events that were cleared
1: The system event log was cleared.
2: The access event log was cleared.
Precautions/
Remarks
None
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