Error handling and diagnostics
EK1110, EK1110-0008
38
Version: 2.
6
Error handling and diagnostics
6.1
Diagnostic LED
Fig. 29: EK1110/ EK1110-0008
LEDs for fieldbus diagnostics
LED
Display
State
Description
LINK / ACT
(X1)
gree
n
off
-
no connection on the EtherCAT strand
on
linked
EtherCAT device connected
flashing
active
Communication with EtherCAT device
LED diagnostics EtherCAT State Machine
LED Color Meaning
RUN green This LED indicates the terminal's operating state:
off
State of the EtherCAT State Machine:
INIT
= initialization of the terminal
flashing uniformly
State of the EtherCAT State Machine:
PREOP
= function for mailbox
communication and different standard-settings set
flashing slowly
State of the EtherCAT State Machine:
SAFEOP
= verification of the
sync manager channels and the distributed clocks.
Outputs remain in safe state
on
State of the EtherCAT State Machine:
OP
= normal operating state;
mailbox and process data communication is possible
flashing rapidly
State of the EtherCAT State Machine:
BOOTSTRAP
= function for
terminal firmware updates