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13-47
13 Troubleshooting
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
13-5 Even
t L
o
g
s
13
13-5-3 Error Descr
iptions
Event name
Link OFF Error
Event code
84E2 0000 hex
Meaning
The Ethernet link status turned OFF.
Source
PLC Function Module
Source details
CJ-series Unit
Detection
timing
After link is
established
Error attributes
Level
Observation
Recovery
---
Log category
System
Effects
User program
Continues.
Operation
The EtherNet/IP Unit is offline. Communications are not
possible. Error responses are returned to all communica-
tions requests. Data refreshing with the CPU Unit contin-
ues.
System-defined
variables
Variable
Data type
Name
None
---
---
Cause and
correction
Assumed cause
Correction
Prevention
The Ethernet cable is disconnected.
Connect the Ethernet cable.
Connect the Ethernet cable securely.
Check the cable to make sure that it is
not disconnected.
An Ethernet cable is disconnected or
loose.
Connect the Ethernet cable securely.
If the cable is broken, replace it.
The switching hub power supply is
turned OFF.
Turn ON the power supply to the
switching hub. Replace the switching
hub if it fails.
Do not turn OFF the power supply to
the switching hub.
Baud rate mismatch.
Correct the settings so that the same
baud rate is used as for the remote
communications nodes.
Set the same baud rate as for the
remote communications nodes.
Noise
Implement noise countermeasures if
there is excessive noise.
Implement noise countermeasures.
Attached
information
None
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 col-
umn above will be changed to “Automatic recovery.”
Содержание SYSMAC CJ1W-EIP21
Страница 8: ...Manual Structure 6 CJ series EtherNet IP Units Operation Manual for NJ series CPU Unit W495...
Страница 10: ...Sections in this Manual 8 CJ series EtherNet IP Units Operation Manual for NJ series CPU Unit W495...
Страница 20: ...Read and Understand this Manual 18 CJ series EtherNet IP Units Operation Manual for NJ series CPU Unit W495...
Страница 42: ...Revision History 40 CJ series EtherNet IP Units Operation Manual for NJ series CPU Unit W495...
Страница 68: ...1 Introduction 1 26 CJ series EtherNet IP Units Operation Manual for NJ series CPU Unit W495...
Страница 80: ...2 Installing Ethernet Networks 2 12 CJ series EtherNet IP Units Operation Manual for NJ series CPU Unit W495...
Страница 130: ...6 Testing Communications 6 4 CJ series EtherNet IP Units Operation Manual for NJ series CPU Unit W495...
Страница 206: ...7 Tag Data Link Functions 7 76 CJ series EtherNet IP Units Operation Manual for NJ series CPU Unit W495...
Страница 246: ...8 Message Communications 8 40 CJ series EtherNet IP Units Operation Manual for NJ series CPU Unit W495...
Страница 266: ...9 FTP Server 9 20 CJ series EtherNet IP Units Operation Manual for NJ series CPU Unit W495...
Страница 374: ...13 Troubleshooting 13 56 CJ series EtherNet IP Units Operation Manual for NJ series CPU Unit W495...
Страница 431: ...Index 1 CJ series EtherNet IP Units Operation Manual for NJ series CPU Unit W495 I Index...
Страница 436: ...Index 6 CJ series EtherNet IP Units Operation Manual for NJ series CPU Unit W495 Index...
Страница 437: ......