State LEDs¶
The PROFINET state is shown by the state LEDs.
Position of the LEDs
| LED | Color | Status | Description |
|---|---|---|---|
| PWR | Green | On | Power supply available |
| Blinking | — | ||
| Off | Power supply not available or defective hardware | ||
| RDY | Yellow | On | Boot procedure |
| Blinking | Boot failure | ||
| Off | — | ||
| RUN | Green | On | Communication module is operational |
| Blinking | — | ||
| Off | Communication module is not operational | ||
| STA1 PNIO | Red | On | System error; watchdog timeout |
| Blinking | |||
| Off | No system error | ||
| STA2 PNIO | Red | On | No connection; no configuration |
| Blinking | No data exchange | ||
| Off | No bus error, communication is running | ||
| STA1 and STA2 | Red Green |
Blinking (synchronously) | Firmware file transfers during coupler firmware update |
Red Green |
Blinking (alternately) | Coupler writes the firmware file to the internal flash. Do not power off the PLC. | |
Yellow Yellow |
Blinking (synchronously) | No production data available, no bus communication possible. |
The RJ45 ETHERNET connector contains two LEDs showing the current ETHERNET port connection state. The following figure and table show the position and function of the LEDs:
Position of the LEDs in the RJ45 connectors
| LED | Color | Status | Description |
|---|---|---|---|
| PNIO1 LED “Link” | Green | On | ETHERNET connection established |
| Off | No ETHERNET connection | ||
| PNIO1 LED “RX/TX” | Yellow | On | Device sends/receives frames |
| Blinking | Device sends/receives frames | ||
| Off | — | ||
| PNIO2 LED “Link” | Green | On | ETHERNET connection established |
| Off | No ETHERNET connection | ||
| PNIO2 LED “RX/TX” | Yellow | On | Device sends/receives frames |
| Blinking | Device sends/receives frames | ||
| Off | — |