LEDs on the basic CPU module
Display | LED | Meaning |
---|---|---|
| PWR | Power supply. The Power LED comes on when the device is connected to a live power supply unit (green). |
TC | TwinCAT status LED: | |
HDD | Read/Write CFast card (red). Indicates access to the CFast card. | |
FB1 | Status LED for optional interface (the function is described in the documentation for the respective optional interface). | |
FB2 | Status LED for optional interface (the function is described in the documentation for the respective optional interface). |