Omron NJ Series Troubleshooting Manual page 135

Event code Event name
84290000 hex Process Data
Transmis-
sion Error
842B0000 hex Process Data
Reception
Timeout
842C0000 hex Process Data
Communica-
tions Error
102F 0000 hex EtherCAT
(Ver. 1.03) Slave Backup
Failed
NJ-series Troubleshooting Manual (W503)
Meaning Assumed cause
Sending process • It was not possible to send the
data failed. EtherCAT frame during the
EtherCAT communications
period.
• The frame transmission jitter
exceeded the limit.
Process data • The Ethernet cable is broken.
reception timed out.
• The Ethernet cable for Ether-
CAT is disconnected.
• A general-purpose Ethernet
hub is connected.
• The master failed.
• The slave failed.
• The Ethernet cable is too long.
• The CPU Unit task period is too
short.
• Noise
An error occurred in • A slave left the network even
process data com- though the disconnection oper-
munications. ation was not performed.
• Noise
• The slave failed.
The backup opera- • There is no connection
tion for an Ether- between the EtherCAT master
CAT slave ended in and the slave (Link OFF).
an error.
• An error caused an incorrect
EtherCAT master status.
• The EtherCAT network configu-
ration information does not
agree with the physical net-
work configuration.
• The request to the EtherCAT
slave failed.
• The EtherCAT master was tem-
porarily unable to perform the
processing because it was exe-
cuting other processing.
• Initialization of the EtherCAT
slave failed.
• It was not possible to read the
backup parameters from the
EtherCAT slave.
3 Error Tables
Level
Maj Prt Min Obs Info
S NJ-series
CPU Unit
Built-in Ether-
CAT Port
User's Manual
(Cat. No.
W505)
S Same as
above.
S Same as
above.
S Same as
above.
Reference
3
3-73