Omron CJ1W-SCU32 Operation Manual page 317

Event name CTS Check Error
Meaning An error was found during the CTS check.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
Loopback test jig failure.
Noise
The communications circuits in the
Serial Communications Unit are
faulty.
Attached Attached information 1: Port number where error was detected
information
Precautions/ None
Remarks
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
Source details
Observation Recovery
Continues. Operation
Data type
---
Correction
Correct any mistakes in wiring the
loopback test jig.
Implement noise countermeasures.
Replace the Unit.
9 Troubleshooting and Maintenance
Event code 04760000 hex
CJ-series Unit Detection
timing
--- Log category
Not affected.
Name
---
Prevention
Check the wiring of the loopback test
jig.
Use the Unit away from sources of
noise. Implement noise countermea-
sures.
None
During loopback
test
System
9
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