Omron CJ1W-EIP21 Operation Manuals page 356

13 Troubleshooting
Event name Invalid Communications Parameter
Meaning An error was found in the validation check of the parameters for tag data links that are saved in non-volatile memory.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
The power was interrupted during a
download.
A communications error occurred dur-
ing a download.
Non-volatile memory failure
Attached None
information
Precautions/ None
Remarks
Event name Tag Database Error
Meaning A tag database error occurred in the CPU Unit when using variables for tag data links, status layout, etc.
Source PLC Function Module
Error attributes Level
Effects User program
System-defined Variable
variables
None
Cause and Assumed cause
correction
The power was interrupted during a
download.
A communications error occurred dur-
ing a download.
Attached None
information
Precautions/ None
Remarks
13-38
Source details
Minor fault Recovery
Continues. Operation
Data type
---
Correction
Download the device parameters
from the Network Configurator again.
Check for ambient noise. If there is a
noise source, remove it.
If the error occurs even after perform-
ing the actions described above,
replace the EtherNet/IP Unit.
Source details
Minor fault Recovery
Continues. Operation
Data type
---
Correction
Download the settings from the Sys-
mac Studio again.
Implement noise countermeasures if
there is excessive noise.
CJ-series EtherNet/IP Units Operation Manual for NJ-series CPU Unit (W495)
Event code 14840000 hex
CJ-series Unit Detection
timing
Error reset Log category
Tag link function of the EtherNet/IP Unit cannot be used.
Name
---
Prevention
Make sure that the power supply is
not interrupted during a download.
Use the Unit away from sources of
noise. Implement noise countermea-
sures.
None
Event code 14850000 hex
CJ-series Unit Detection
timing
Error reset Log category
Tag data link function of the EtherNet/IP Unit cannot be
used.
Name
---
Prevention
Make sure that the power supply is
not interrupted during a download.
Implement noise countermeasures.
At power ON,
Controller reset,
or Unit restart
System
At power ON,
Controller reset,
or Unit restart
System