Omron GX-AD0471, User Manual, Page: 80 / 394

5 EtherCAT Communications
5 - 14 GX-series EtherCAT Slave Unit User’s Manual
Any GX-series EtherCAT Slave Unit other than the GX-ILM08C can save up to eight emergency
messages in non-volatile memory inside the Slave Unit. The saved messages can be read with SDO
communications.
Indexes to be read are sub-indexes 06 hex to 0D hex (Diagnosis messages 1 to 8) among 10F3 hex
(Diagnosis History).
Diagnosis history is stored from Diagnosis message 1. If 8 errors are stored in order up to Diagnosis
message 8, the 9th error onward are saved from Diagnosis message 1 again.
The GX-ILM08C can save a maximum of 64 error records in the error history. For details, refer to the
IO-Link System User’s Manual (Cat. No. W570).
History is saved even if emergency messages cannot be sent to the EtherCAT Master Unit due to
EtherCAT communications errors or emergency messages are set to "Not notify."
Errors that occur for non-volatile memory are not saved in the diagnosis history.
5-7-2 Diagnosis History