| Feature | Ethernet/Wi-Fi (Old versions) | RS-485 (Ver 485L) | | :--- | :--- | :--- | | Maximum distance | 100 m (without switch) | 1,200 m | | Interference susceptibility | High (microwave, radio) | Near zero (twisted pair) | | Device limit per master | 10-20 | 128 | | Power over cable? | No (separate adapter) | Yes (24V DC over same pair) |
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For long-distance, multi-device, budget-conscious deployments, Ver 485L wins. 8. Common Problems and Troubleshooting (Ver 485L Specific) Even the "better" system can encounter issues. Here are solutions unique to this version: | Feature | Ethernet/Wi-Fi (Old versions) | RS-485