Event name
NX Message Communications Error
Event code
80220000 hex
Meaning
An error was detected in message communications and the message frame was discarded.
Source
Depends on where the Support
Software is connected and the
system configuration.
Source details
NX Unit
Detection tim-
ing
During NX
message com-
munications
Error attrib-
utes
Level
Observation
Log category
System
Recovery
---
Effects
User program
Continues.
Operation
Not affected.
System-de-
fined varia-
bles
Variable
Data type
Name
None
---
---
Cause and
correction
Assumed cause
Correction
Prevention
For the NX bus of CPU Units
The message communications
load is high.
Reduce the number of times that
instructions are used to send NX
messages.
Reduce the number of times that
instructions are used to send NX
messages.
For Communications Coupler Units
The message communications
load is high.
Reduce the number of times that
instructions are used to send NX
messages.
Reduce the number of times that
instructions are used to send NX
messages.
The communications cable is dis-
connected or broken.
This cause does not apply if at-
tached information 2 is 0 (NX
bus).
Connect the communications ca-
ble securely.
Connect the communications ca-
ble securely.
Message communications were
cutoff by executing the followings
in message communications.
•
Transfer of parameters by the
Support Software
•
Restoration of the backup data
(if this error occurred in the
EtherCAT Slave Terminal)
•
Disconnection of an EtherCAT
slave (if this error occurred in
the EtherCAT Slave Terminal)
---
---
Attached in-
formation
Attached information 1: System Information
Attached information 2: Type of communications where error occurred
0: NX bus
1: EtherCAT
2: Serial communications (USB)
3: EtherNet/IP
65535: Internal Unit communications (routing)
Precautions/
Remarks
None
9 Troubleshooting
9 - 33
NX-series Analog I/O Units User’s Manual for High-speed Analog Input Units (W592)
9-3 Checking for Errors and T
roubleshooting on the Support Software
9
9-3-4
Meaning of Error
