BECKHOFF EL9xxx - Manual (Page 44)

Product overview
Connection EL9400, EL9410
Terminal point Description
Indication No.
+24 V for E­Bus 1 Supply input + 24 V for the E­Bus
+24 V 2 Supply input + 24 V (connected internally with terminal 6 and positive power
contact)
0 V 3 0 V for supply input (connected internally with terminal 7 and negative power
contact)
PE 4 PE (connected internally with terminal 8)
0 V for E­Bus 5 0 V for supply input E­Bus
+24 V 6 Supply input + 24 V (connected internally with terminal 2 and positive power
contact)
0 V 7 0 V for supply input (connected internally with terminal 3 and negative power
contact)
PE 8 PE (connected internally with terminal 4)
LEDs
LED Farbe Bedeutung
Power LED
(E­Bus) green off No input voltage at supply input for the E­Bus
on 24 V
DC
at supply input for the E­Bus
Power LED
(Power Contacts) green off No input voltage at supply input
on 24 V
DC
at supply input
Diagnosis LED**
Us red off No error
on Undervoltage: Us less than 17 V
Diagnosis LED**
Up red off No error
on Undervoltage: Up less than 17 V
RUN green This LED indicates the terminal's operating state:
off State of the EtherCAT State Machine: INIT =
Initialization of the terminal
flashing (2 Hz) State of the EtherCAT State Machine:
PREOP = Setting for mailbox communication
and variant standard settings
flashing (1 Hz) State of the EtherCAT State Machine:
SAFEOP = Channel checking of the Sync
Manager and the Distributed Clocks. Outputs
stay in safe operation mode.
on State of the EtherCAT State Machine: OP =
Normal operation mode, mailbox­ and
process data communication possible
flashing (10 Hz) State of the EtherCAT State Machine:
BOOTSTRAP = Function for e.g. firmware
updates of the terminal
** only EL9410
Process data (only EL9410)
The EL 9410 has a bit width of 2 bits (diagnosis bits for the power contacts voltage [Up] and for the E­Bus
voltage [Us], 'Undervoltage') and is displayed in the TwinCAT tree as follows:
EL9xxx 44 Version 3.1