Diagnostic Leds Ek1561 - Beckhoff EtherCAT EK112 Series Manual

4.3

Diagnostic LEDs EK1561

LEDs for fieldbus diagnostics
LED Color Display
LINK / green off
ACT (X1)
on
flashing
LED diagnostics EtherCAT state machine
LED Color Meaning
RUN green This LED indicates the terminal's operating state:
off
single flash
flashing
on
flickering
EK112x, EK15xx
State Description
- no connection on the EtherCAT strand
linked EtherCAT device connected
active Communication with EtherCAT device
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
State of the EtherCAT State Machine: BOOTSTRAP = function for
terminal firmware updates
Version: 3.6
Error handling and diagnostics
57