6 Troubleshooting
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NX-series NX1P2 CPU Unit Hardware User’s Manual (W578)
Event name NX Message Communications Error Event code 80230000 hex
Meaning An error has occurred in message communications.
Source PLC Function Module
EtherCAT Master Function Module
EtherNet/IP Function Module
NX Bus Function Module
Source details None Detection
timing
During NX mes-
sage communi-
cations
Error attributes Level Observation Recovery --- Log category System
Effects User program Continues. Operation ---
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The communications cable is broken. Check the communications cable and
replace it if it is broken.
Check the communications cable to
see if it is operating properly.
The communications cable connec-
tor is disconnected.
Reconnect the connector and make
sure it is mated correctly.
Make sure the communications cable
is connected properly.
The NX message communications
load is high.
Reduce the number of times that
instructions are used to send NX
messages. Or, increase the value of
the TimeOut input variable to the
instruction. If more than one copy of
the Sysmac Studio is connected,
reduce the frequency of simultaneous
operations.
Reduce the number of times that
instructions are used to send NX
messages. Or, increase the value of
the TimeOut input variable to the
instruction. If more than one copy of
the Sysmac Studio is connected,
reduce the frequency of simultaneous
operations.
Attached
information
Attached information 1: System information
Attached Information 2: Type of communications
0: NX bus
1: EtherCAT
65,535: Unit internal communications (routing)
Precautions/
Remarks
None
Event name PLC System Information Event code 40150000 hex
Meaning This event provides internal information from the PLC Function Module.
Source PLC Function Module Source details None Detection
timing
Continuously
Error attributes Level Information Recovery --- Log category System
Effects User program Continues. Operation Operation is not affected.
System-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
This event provides internal informa-
tion from the PLC Function Module. It
is recorded to provide additional infor-
mation for another event.
--- ---
Attached
information
Attached information 1: System information
Attached Information 2: System information
Attached information 3: System information
Attached information 4: System information
Precautions/
Remarks
None
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