Beckhoff EL34 Series - Page 59

Mounting and wiring
EL34xx 59Version: 1.5
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 Right prism:
Voltage in normal range
L1 L2 L3
flashes Right prism:
Voltage in the critical range
(warning threshold exceeded)
L1 L2 L3
off Right prism:
Voltage in prohibited range
(error threshold exceeded)
L1 L2 L3
L1 - L3
Error
red on
I
L1
- I
L3
OK
green on Left prism:
Current in normal range
I
L1
I
L2
I
L3
I
N
flashes Left prism:
Current in the critical range
(warning threshold exceeded)
I
L1
I
L2
I
L3
I
N
off Left prism:
Current in prohibited range
(error threshold exceeded
I
L1
I
L2
I
L3
I
N
I
L1
- I
L3
Error
red on