Indicator Description
The indicators from top to bottom are EIN, EOUT, RUN, CFG, TX, and RX
| Status indicator | EIN | EOUT | RUN | CFG | TX | RX |
| On | — | — | Power on | Configuration exists | — | — |
| Off | — | — | Power failure | No configuration | — | — |
| Flashing | EtherCAT IN connected | EtherCAT OUT connected | — | — | The module is transmitting data | The module is receiving data |