Omron NX701-17 Series Troubleshooting Manual page 234

3 Error Tables
Event code Event name
80210000 hex NX Unit Out-
put Synchro-
nization Error
80240000 hex NX Unit
Clock Not
Synchro-
nized Error
70010000 hex Previous
(Ver. 1.06) Time Speci-
fied
90400000 hex Event Log
Cleared
3-156
Meaning Assumed cause
An output synchro- For the NX bus of CPU Units
nization error
• I/O refreshing on the NX bus is
occurred in the NX
not performed normally due to
Unit.
an error in the CPU Unit.
For Communications Coupler
Units
• The communications cable con-
nected to the Communications
Coupler Unit is broken or the
connection is faulty.
• The communications cable is
affected by noise.
A time information For the NX bus of CPU Units
error occurred in an
• There is a hardware error in an
NX Unit.
NX Unit.
• There is a hardware error in a
CPU Unit.
For Communications Coupler
Units
• There is a hardware error in an
NX Unit.
• There is a hardware error in an
EtherCAT Coupler Unit.
A previous time For the NX bus of CPU Units
was specified for
• A past time is specified due to
output refreshing
an error in the user program.
with a specified
• A Task Period Exceeded error
time stamp.
occurred in a CPU Unit.
For Communications Coupler
Units
• A past time is specified due to
an error in the user program.
• A Task Period Exceeded error
occurred in a CPU Unit.
• The arrival of I/O data at an NX
Unit was delayed due to a
Communications Synchroniza-
tion Error or other communica-
tions error.
The event log was • The event log was cleared by
cleared. the user.
Level
Maj Prt Min Obs Info
S
S
S
S
NJ/NX-series Troubleshooting Manual (W503)
Reference
W521
W521
W521
W521