Indicator Description
| Indicator label |
Color |
Status |
Device status |
Description |
| RUN |
Green |
Off |
Initializing |
EtherCAT state machine status: INT=Plug-in module is initialized |
| Flashing |
Pre-operational |
EtherCAT state machine status: PRE-OP = Mailbox communication function is enabled with different default settings |
| Single flash |
Safe operation |
EtherCAT state machine status: SAFE-OP = It is verifying synchronization manager channels and distributed clocks. Output remains in safe state |
| Steadily lit |
Operational |
EtherCAT state machine status: OP = It is in normal operation state, and mailbox communication and process data communication are enabled |
| Fast flashing |
Bootstrap |
EtherCAT state machine status: BOOTSTRAP = It is used for firmware update function of plug-in modules |
| L/A |
Green |
Off |
- |
Not connected to internal E-bus |
| Steadily lit |
Connected |
Connected to internal E-bus |
| Flashing |
Active |
Internal E-bus connection/communication active |
| Us |
Green |
Off |
- |
24VDC power supply not connected |
| Steadily lit |
- |
24VDC power supply connected |
| L/A1 |
Green |
Off |
- |
No connection on the input EtherCAT segment |
| Steadily lit |
Connected |
Connected to an upstream EtherCAT device |
| Flashing |
Active |
Communicating with an upstream EtherCAT device |
| L/A2 |
Green |
Off |
- |
No connection on the output EtherCAT segment |
| Steadily lit |
Connected |
Connected to a downstream EtherCAT device |
| Flashing |
Active |
Communicating with a downstream EtherCAT device |
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SC8201 | EtherCAT communication coupler
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Technical Specifications
Last modified: 2026-03-25
