Omron CJ1W-SCU32 Operation Manual page 320

9 Troubleshooting and Maintenance
Event name Tfs (Send Finished Monitoring Time) Exceeded
Meaning The time required to complete a send operation exceeded the Send Finished Monitoring Time.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
Noise
The monitor time is shorter than the
actual completion time.
Attached Attached information 1: Port number where error was detected
information
Precautions/ None
Remarks
Event name Tfr (Receive Finished Monitoring Time) Exceeded
Meaning The time required to complete a reception operation exceeded the Receive Finished Monitoring Time.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
Noise
The monitoring time is shorter than
the actual completion time.
Attached Attached information 1: Port number where error was detected
information
Precautions/ None
Remarks
9-42
Source details
Observation Recovery
Continues. Operation
Data type
---
Correction
Implement noise countermeasures.
Adjust the monitor time to match the
actual completion time.
Source details
Observation Recovery
Continues. Operation
Data type
---
Correction
Implement noise countermeasures.
Adjust the monitoring time to match
the actual completion time.
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
Event code 64A0 0000 hex
CJ-series Unit Detection
timing
--- Log category
Not affected.
Name
---
Prevention
Use the Unit away from sources of
noise. Implement noise countermea-
sures.
Adjust the monitor time to match the
actual completion time.
Event code 64A1 0000 hex
CJ-series Unit Detection
timing
--- Log category
Not affected.
Name
---
Prevention
Use the Unit away from sources of
noise. Implement noise countermea-
sures.
Adjust the monitoring time to match
the actual completion time.
After serial com-
munications start
System
After serial com-
munications start
System