Product overview
EL9xxx 57Version: 3.9
LEDs
LED Farbe Bedeutung
Power LED
(E-Bus)
green off No input voltage at supply input for the E-Bus
on 24 V
DC
at supply input for the E-Bus
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 E-Bus
voltage [Us], 'Undervoltage') and is displayed in the TwinCAT tree as follows:
Fig.43: EL9110 in the TwinCAT tree
If the Up or Us voltage is below 17 V, the corresponding diagnosis bit 'Undervoltage' has TRUE (1) status.
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