Diagnostic LEDs EK1100, EK1100-0008
Fig. 41: Diagnostic LEDs EK1100, EK1100-0008
LEDs for power supply diagnostics
LED Display State Description
Us gree n
off - No operating voltage present at the Bus Coupler on - 24 VDC operating voltage present at the Bus Coupler Up gree
n
off - No power supply present at the power contacts on - 24 VDC power supply present at the power contacts
Diagnostic LEDs for the EtherCAT State Machine/PLC
LED Display State Description
RUN gree n
off Init The Bus Coupler is in initialization state flashing
Pre-Operational
The Bus Coupler is in pre-operational state single
flash
Safe-Operational
The Bus Coupler is in safe-operational state on Operational The Bus Coupler is in operational state flickers Bootstrap Firmware is being loaded.
LEDs for fieldbus diagnosis
LED Display State Description
LINK/ACT (X1 IN)
gree n
off - No connection on the incoming EtherCAT strand on linked Preceding EtherCAT device connected
flashing active Communication with preceding EtherCAT device LINK/ACT
(X2 OUT)
gree n
off - No connection on the incoming EtherCAT strand on linked Following EtherCAT device connected
flashing active Communication with following EtherCAT device LINK / ACT
E‑bus
gree n
off - No connection to internal E-bus on linked Connection to internal E-bus
flashing active Connection/communication internal E-bus
Diagnostic LEDs EK1101-xxxx
Fig. 42: Diagnostic LEDs EK1101-xxxx
LEDs for power supply diagnostics
LED Display State Description
Us gree n
off - No operating voltage present at the Bus Coupler on - 24 VDC operating voltage present at the Bus Coupler Up gree
n
off - No power supply present at the power contacts on - 24 VDC power supply present at the power contacts
Diagnostic LEDs for the EtherCAT State Machine/PLC
LED Display State Description
RUN gree n
off Init The Bus Coupler is in initialization state flashing
Pre-Operational
The Bus Coupler is in pre-operational state single
flash
Safe-Operational
The Bus Coupler is in safe-operational state on Operational The Bus Coupler is in operational state flickers Bootstrap Firmware is being loaded.
LEDs for fieldbus diagnosis
LED Display State Description
LINK/ACT (XU IN)
gree n
off - No connection on the incoming EtherCAT strand on linked Preceding EtherCAT device connected
flashing active Communication with preceding EtherCAT device LINK/ACT
(XU OUT)
gree n
off - No connection on the incoming EtherCAT strand on linked Following EtherCAT device connected
flashing active Communication with following EtherCAT device LINK / ACT
E‑bus
gree n
off - No connection to internal E-bus on linked Connection to internal E-bus
flashing active Connection/communication internal E-bus
Diagnostic LEDs EK1501
Fig. 43: Diagnostic LEDs for Bus Coupler EK1501
LEDs for power supply diagnostics
LED Display State Description
Us gree n
off - No operating voltage present at the Bus Coupler on - 24 VDC operating voltage present at the Bus Coupler Up gree
n
off - No power supply present at the power contacts on - 24 V power supply present at the power contacts
Diagnostic LEDs for the EtherCAT State Machine/PLC
LED Display State Description
RUN gree n
off Init The Bus Coupler is in initialization state flashing
Pre-Operational
The Bus Coupler is in pre-operational state single
flash
Safe-Operational
The Bus Coupler is in safe-operational state on Operational The Bus Coupler is in operational state flickers Bootstrap Firmware is being loaded.
LEDs for fieldbus diagnosis
LED Display State Description
LINK/ACT (X1 IN)
gree n
off - No connection on the incoming EtherCAT strand on linked Preceding EtherCAT device connected
flashing active Communication with preceding EtherCAT device LINK/ACT
(X2 OUT)
gree n
off - No connection on the incoming EtherCAT strand on linked Following EtherCAT device connected
flashing active Communication with following EtherCAT device LINK / ACT
E‑bus
gree n
off - No connection to internal E-bus on linked Connection to internal E-bus
flashing active Connection/communication internal E-bus
Diagnostic LEDs EK1501-0010
Fig. 44: Diagnostic LEDs for Bus Coupler EK1501-0010
LEDs for power supply diagnostics
LED Display State Description
Us gree n
off - No operating voltage present at the Bus Coupler on - 24 VDC operating voltage present at the Bus Coupler Up gree
n
off - No power supply present at the power contacts on - 24 VDC power supply present at the power contacts
Diagnostic LEDs for the EtherCAT State Machine/PLC
LED Display State Description
RUN gree n
off Init The Bus Coupler is in initialization state flashing
Pre-Operational
The Bus Coupler is in pre-operational state single
flash
Safe-Operational
The Bus Coupler is in safe-operational state on Operational The Bus Coupler is in operational state flickers Bootstrap Firmware is being loaded.
LEDs for fieldbus diagnosis
LED Display State Description
LINK/ACT (X1 IN)
gree n
off - No connection on the incoming EtherCAT strand on linked Preceding EtherCAT device connected
flashing active Communication with preceding EtherCAT device LINK/ACT
(X2 OUT)
gree n
off - No connection on the incoming EtherCAT strand on linked Following EtherCAT device connected
flashing active Communication with following EtherCAT device LINK / ACT
E‑bus
gree n
off - No connection to internal E-bus on linked Connection to internal E-bus
flashing active Connection/communication internal E-bus
Diagnostic LEDs EK1541
Fig. 45: Diagnostic LEDs Bus Coupler EK1541
LEDs for power supply diagnostics
LED Display State Description
Us gree n
off - No operating voltage present at the Bus Coupler on - 24 VDC operating voltage present at the Bus Coupler Up gree off - No power supply present at the power contacts
Diagnostic LEDs for the EtherCAT State Machine/PLC
LED Display State Description
RUN gree n
off Init The Bus Coupler is in initialization state flashing
Pre-Operational
The Bus Coupler is in pre-operational state single
flash
Safe-Operational
The Bus Coupler is in safe-operational state on Operational The Bus Coupler is in operational state flickers Bootstrap Firmware is being loaded.
LEDs for fieldbus diagnosis
LED Display State Description
LINK/ACT (X1 IN)
gree n
off - No connection on the incoming EtherCAT strand on linked Preceding EtherCAT device connected
flashing active Communication with preceding EtherCAT device LINK/ACT
(X2 OUT)
gree n
off - No connection on the incoming EtherCAT strand on linked Following EtherCAT device connected
flashing active Communication with following EtherCAT device LINK / ACT
E‑bus
gree n
off - No connection to internal E-bus on linked Connection to internal E-bus
flashing active Connection/communication internal E-bus