LED Description
| LED State | MS | NS |
|---|
| Light OFF | No power | Power supply OFF or IP address not configured |
| Green | ON | Master connected (executing) | Online operating |
| Blinking | Master connected (idling) | Waiting master connection |
| Red | ON | Non-recoverable error | Wrong IP address (duplication) |
| Blinking | Recoverable error | Connection time out |
| Green/Red alternate | Self-diagnosing | Self-diagnosing |
| LED State | LNK | ACT |
|---|
| Light OFF | No Link | No communication packet reception or transmission |
| ON | Linking | Receiving/transmitting communication packet |