El37X2 - Leds And Pin Assignment; El37X2 - Leds - Beckhoff EL3702 Documentation

5.11

EL37x2 - LEDs and pin assignment

5.11.1

EL37x2 - LEDs

LEDs (from hardware version 03)
Fig. 43: EL37x2 LEDs
LED Color Meaning
RUN green These LEDs indicate the terminal's operating state:
off
flashing uniformly
flashing slowly
on
flashing rapidly*
* only RUN 1 LED
EL37x2
State of the EtherCAT State Machine [} 103]: 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 [} 104] 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
State of the EtherCAT State Machine: BOOTSTRAP = function for
firmware updates [} 165] of the terminal
Version: 3.5
Mounting and wiring
51