Leds; El3311 - Leds - Beckhoff EL33-00 Series Documentation

Mounting and wiring
4.12

LEDs

4.12.1

EL3311 - LEDs

Fig. 41: EL3311
EL3311 - LEDs
LED Color Meaning
RUN green This LED indicates the terminal's operating state:
off
flashing
uniformly
flashing slowly
on
flashing rapidly State of the EtherCAT State Machine: BOOTSTRAP = function for
ERROR1 red Short circuit or wire breakage. The resistance is in the invalid range of the
characteristic curve
58
State of the EtherCAT State Machine: INIT = initialization of the
terminal
State of the EtherCAT State Machine: PREOP = function for mailbox
communication and different standard-settings set
State of the EtherCAT State Machine: SAFEOP = verification of the
sync manager channels and the distributed clocks.
Outputs remain in safe state
State of the EtherCAT State Machine: OP = normal operating state;
mailbox and process data communication is possible
terminal firmware updates
Version: 4.2 EL33xx-00x0