Troubleshooting With Al Status - Omron CJ1W-ECT21 Operation Manual

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Troubleshooting with AL Status

This status reports errors related to EtherCAT communications.
The following table lists the AL status codes that are used with the EtherCAT Slave Units.
AL status
code Status name
(hex)
0011 Illegal State Tran-
sition Request
Received
0012 Error State Transi-
tion Received
0014 SII Unit Verifica-
tion Error
0016 Mailbox Setting
Error
001B Process Data
WDT Error
001D RxPDO Setting
Error
001E TxPDO Setting
Error
CJ-series EtherCAT Slave Units Operation Manual for NJ-series CPU Unit (W542)
Contents
An incorrect state transi-
tion request was received.
An unclear state transition
request was received.
The non-volatile memory
for SII backups does not
match the information in
the SII (VendorID, Pro-
ductCode, RevisionNo,
and Serial No.).
An incorrect mailbox set-
ting was detected for the
Sync Manager.
A timeout was detected
for an I/O data send
frame.
A mismatch occurred
between the RxPDO set-
ting size from the Ether-
CAT master and the OUT
data area size setting in
the EtherCAT Slave Unit.
A mismatch occurred
between the TxPDO set-
ting size from the Ether-
CAT master and the IN
data area size setting in
the EtherCAT Slave Unit.
Notification to
EtherCAT
master
Possible Change the status correctly.
Change the status correctly.
Cycle the power supply.
If the error still occurs, replace the Ether-
CAT Slave Unit.
Correct the settings and then download the
settings to the EtherCAT master again.
Review the following items, and restart the
slave based on the specifications of the
connected EtherCAT master.
• Wire the EtherCAT communications
cable correctly.
• Check to see if the EtherCAT communi-
cations cable is exposed to excessive
noise.
Correct the OUT data area size to match
the EtherCAT master RxPDO setting and
then turn OFF the error bit of AL status
from the EtherCAT master.
Correct the IN data area size to match the
EtherCAT master TxPDO setting and then
turn OFF the error bit of AL status from the
EtherCAT master.
5 Troubleshooting
Corrective action
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