Diagnosis LEDs

Diagnosis LEDs 1:
EL3255 - Diagnosis LEDs

LED

Color

Meaning

RUN

green

This LED indicates the terminal's operating state:

off

State of the EtherCAT State Machine: INIT = initialization of the terminal

flashing uniformly

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

flashing slowly

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

flashing rapidly

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

Sig ERR Ch x

red

There is an error on the corresponding channel:

- broken wire on wiper or supply

- potentiometer outside the specified range (300 - 50 kOhm)

- short-circuit

- overload

If channels are not used they can be deactivated via the PDO selection. The corresponding LED then goes out.

Power fail

red

This LED lights up if the 24 V supply via the power contacts is absent.