Diagnostic LEDs
Ethernet interface X001
LED | Display | State | Description | |
|---|---|---|---|---|
LINK / ACT | green | off | - | Link not available/no activity |
on | linked | Link available/activity | ||
LED power supply terminal
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 | ||
LINK / ACT | green | off | - | No EtherCAT device connected |
on | linked | EtherCAT device connected / data communication not active | ||
flashes | active | EtherCAT device connected / data communication active | ||
LED coupler
LED | Display | State | Description | |
|---|---|---|---|---|
RUN | green | on | - | Coupler is ready |
EC | green | off | Init | The Bus Coupler is in initialization state |
flashes | 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 | ||
flickering | Bootstrap | Firmware is being loaded. | ||
ERR | red | off | - | No error |
flashes at 2 Hz | - | Used to visually locate the corresponding device. Triggered by "Start Signal" function in the Broadcast Search | ||
on | - | Error is signaled | ||