EK1100, EK1100-0008

LEDs for power supply diagnostics
LED  | Display  | State  | Description  | |
|---|---|---|---|---|
Us  | green  | off  | -  | No operating voltage present at the Bus Coupler  | 
on  | -  | 24 VDC operating voltage present at the Bus Coupler  | ||
Up  | green  | 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  | green  | 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 diagnostics
LED  | Display  | State  | Description  | |
|---|---|---|---|---|
LINK / ACT  | green  | off  | -  | No connection on the incoming EtherCAT segment  | 
on  | linked  | Preceding EtherCAT device connected  | ||
flashes  | active  | Communication with preceding EtherCAT device  | ||
LINK / ACT  | green  | off  | -  | No connection on the outgoing EtherCAT segment  | 
on  | linked  | Following EtherCAT device connected  | ||
flashes  | active  | Communication with following EtherCAT device  | ||
LINK / ACT E‑bus  | green  | off  | -  | no connection to internal E-bus  | 
on  | linked  | Connection to internal E-bus  | ||
flashes  | active  | Connection/communication internal E-bus  | ||