Status LED

There are three green LEDs—“Run,” “L/A0,” and “L/A1”—on the EtherCAT ports X1/IN and X2/OUT. “Run” displays the slave's status in the EtherCAT network. “L/A0” indicates the status of port X1/IN, and “L/A1” indicates the status of port X2/OUT.

For more information on the states of an EtherCAT slave, see

Status LED 1:

Description of the states of EtherCAT slaves

Status LED 2:

LED Run | Status of the EtherCAT slave on the network

LED

Meaning

Off

Slave is in “Init” state

flashes uniformly

Slave is in “Pre-Operational“ state

flashes sporadically

Slave is in “Safe-Operational” state

flashes very quickly

BOOT

lit

Slave is in “Operational” state

Status LED 3:

LED L/A0 | Link/Act status of EtherCAT port X1/IN

LED

Meaning

off

no connection to the connected EtherCAT device

lit

LINK: connection to the connected EtherCAT device

flashes

ACT: communication with the connected EtherCAT device

Status LED 4:

LED L/A1 | Link/Act status of EtherCAT port X2/OUT

LED

Meaning

off

no connection to the connected EtherCAT device

lit

LINK: connection to the connected EtherCAT device

flashes

ACT: communication with the connected EtherCAT device