Mounting and wiring
EL34xx56 Version: 1.5
EL3443 - LEDs and connection
Fig.39: EL3443 LEDs
LED Color Meaning
RUN green This LED indicates the terminal's operating state:
off
State of the EtherCAT State Machine [}35]:
INIT=initialization of the terminal
flashing rapidly
State of the EtherCAT State Machine [}35]:
BOOTSTRAP=function for terminal firmware updates [}278]
flashing
State of the EtherCAT State Machine [}35]:
PREOP = function for mailbox communication and different default settings set
Single flash
State of the EtherCAT State Machine [}35]:
SAFEOP = verification of the Sync Manager [}113] channels and the distributed
clocks.
Outputs remain in safe state.
on
State of the EtherCAT State Machine [}35]:
OP = normal operating state; mailbox and process data communication is possible
System OK green on System OK,
L1 - L3
OK
green on Voltage in the normal range
L1 L2 L3
flashes Voltage in the critical range
(warning threshold exceeded)
L1 L2 L3
off Voltage in prohibited range
(error threshold exceeded)
L1 L2 L3
L1 - L3
Error
red on
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