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ID : 5544
LED Display
The LED status (turned ON, blinking or turned OFF) indicates the following state.
| LED Name | Color | Status | Definition of status | Description (common errors) |
|---|---|---|---|---|
| SYS | Green | Turned ON | Normal state | Unit is in normal state. |
| Green/Yellow | Blinking | Running | Running | |
| Yellow | Turned ON | Running | Running | |
| - | Turned OFF | No power supply | Controller is turned off. | |
| MNS | Green | Turned ON | Connection of communication is completed. | Network is in normal state (communication is established). |
| Blinking | Connection of communication is not completed. | Network is normal, but communication is not established. | ||
| Green, Red, Turned OFF | Blinking | In self-testing | Power is ON, and self-test is running.Color changes every 0.25 second. | |
| Red | Turned ON | Fatal communication error | Communication error (unable to communicate on the network) ・Node address duplicated ・Busoff detected |
|
| Blinking | Minor communication error | I/O Timeout, etc. | ||
| - | Turned OFF | Off-line state | ・No network power supply ・No node other than yours |
ID : 5544