Product Description
EN-US · 30.30.01.02237 · 00 · 04/20
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Bus module
EtherCAT
LED
Meaning
State
Description
U
S
Sensor volt-
age
Off
No sensor voltage
Green
Sensor voltage OK
Flashing
green
Sensor voltage not OK
U
A
Actuator
voltage
Off
No actuator voltage
Green
Actuator voltage OK
Flashing
green
Actuator voltage not OK
L1
and
L2
Link Port
X01 and
Port X02
Off
No EtherCAT connection
Green
EtherCAT connection established
Flashing
green
EtherCAT connection with data trans-
fer
RUN
Network
status
Off
EtherCAT device is in “INIT” state (or
no voltage)
Green
EtherCAT device is in “OPERATIONAL”
state
Flashing
green
EtherCAT device is in “PRE-OPERA-
TIONAL” state
Green, 1
flash
EtherCAT device is in “SAFE-OPERA-
TIONAL” state
Flickering
green
EtherCAT device is in “BOOT” state
SF
System er-
ror
Off
No error in system design
Red
Error in system design
ERR
Error
Off
No errors in EtherCAT communication
(or no voltage)
Flashing red
Incorrect EtherCAT configuration
Red, 1 flash
Slave changed EtherCAT status inde-
pendently
Red, 2
flashes
Watchdog timeout for the application
Red
Application controller failed
Flickering
red
Boot error detected
CM
Condition
monitoring
Off
No CM information available
Yellow
CM information available