Omron CJ1W-SCU22, Руководство по эксплуатации, Страница: 317 / 478

9-39
9 Troubleshooting and Maintenance
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
9-5 Even
t L
ogs
9
9-5-3 Error De
scr
iptio
ns
Event name CTS Check Error Event code 0476 0000 hex
Meaning An error was found during the CTS check.
Source PLC Function Module Source details CJ-series Unit Detection
timing During loopback
test
Error attributes Level Observation Recovery --- Log category System
Effects User program Continues. Operation Not affected.
System-defined
variables Variable Data type Name
None --- ---
Cause and
correction Assumed cause Correction Prevention
Loopback test jig failure. Correct any mistakes in wiring the
loopback test jig. Check the wiring of the loopback test
jig.
Noise Implement noise countermeasures. Use the Unit away from sources of
noise. Implement noise countermea-
sures.
The communications circuits in the
Serial Communications Unit are
faulty. Replace the Unit. None
Attached
information Attached information 1: Port number where error was detected
Precautions/
Remarks None