EL6688 - LEDs and connection

Run

green

These LEDs indicate the terminal's operating state:

off

State of the EtherCAT State Machine: INIT = initialization of the terminal or BOOTSTRAP = function for firmware updates of the terminal

flashing

State of the EtherCAT State Machine: PREOP = function for mailbox communication and different standard-settings set

single flash

State of the EtherCAT State Machine: SAFEOP = verification of the Sync Manager channels and the distributed clocks.
Outputs remain in safe state

on

State of the EtherCAT State Machine: OP = normal operating state; mailbox and process data communication is possible

Err

red

Fault indication EtherCAT

Lnk/Act 

green

This LED shows the connection state of the Ethernet port:

off

no Link signal

on

Link signal present, Ethernet connection established

flashing

Data traffic

100

yellow

off

Data transmission with 10 Mbit/s

on

Data transmission with 100 Mbit/s