Status LEDs
The panel PC has three status LEDs: FB, HDD and PWR. They provide information on the following aspects:
- the fieldbus status
- the hard disk activity
- the status of the power controller
FB LED
The upper FB LED indicates the fieldbus status. The colors and flashing intervals have the following meanings:
Color | Flashing interval | Meaning |
|---|---|---|
Red | Steadily lit | TwinCAT Stop |
Blue | Steadily lit | TwinCAT Config |
Blue/red | Flashing | TwinCAT Config (fieldbus error) |
Green | Steadily lit | TwinCAT Run |
Green/red | Flashing | TwinCAT Run (fieldbus error) |
HDD LED
Color | Flashing interval | Meaning |
|---|---|---|
Red | Steadily lit | Access to storage medium |
PWR LED
Color | Flashing interval | Meaning |
|---|---|---|
Green | Steadily lit | PC on |
- | - | PC off |