SMC Networks EX600-SEC Series Operation Manual page 23

•EtherCAT status
LED display
OFF
Flash
Single Flash
(Green)
ON
OFF
Flash
(Red)
Double Flash
OFF
ON
(Green)
Flickering
OFF
ON
(Green)
Flickering
∗: Refer to the table below for the LED state.
Flickering
Flashing
Single Flash
Double Flash
LED state
Initialized status
∗
Pre-operational status
∗
Safe operational status
Operational status
No communication error
∗
Communication setup error
∗
Communication error (application watchdog timeout)
BUS IN side
BUS IN side
∗
BUS IN side
BUS OUT side: No Link, No Activity
BUS OUT side:
∗
BUS OUT side:
Content
: No Link, No Activity
: Link, No Activity
: Link,
Link, No Activity
Link,
-22-
Activity
Activity
No.EX##-OMO0027