Omron DRT2 SERIES DEVICENET SLAVES - OPERATION MANUAL 04-2008 Operation Manual page 54

Common Slave Specifications
Indicator Color
NS Green
Red
---
Status Definition
Lit Online/connected
Flashing Online/ not connected
Lit Critical link failure
Flashing Connection time-out
Not lit Not powered/Not online
Meaning
Network is operating normally (communications
established).
Network is operating normally, but communica-
tions have not been established.
Communications error (Unit has detected that
network communications are not possible).
Node address duplication
Bus Off error
Communications time-out.
Checking for node address duplication at the
Master.
Switch settings are incorrect.
Power supply is OFF.
Section 3-1
33