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| Device Type | Manual | Modbus TCP (Ethernet) | RS485 | Curtailment |
|---|---|---|---|---|
| WIT 100K-TL3-H | Manual | ✅ | ✅ | ✅ |
| WIT 15K-HU |
Câblage
RS485 - MID 100K-TL3-H
Info
RS485 Wiring
- For correct RS485 wiring: Follow the guidelines for RS485 wiring.
- If the wiring shown in the table below is incorrect, please let us know.
- There is no general consensus in the industry about the usage of A and B for the RS485 polarity, so it may be counterintuitive and opposite of what you might expect for some devices.
| Device | SmartgridOne Controller model OM1 | SmartgridOne Controller model IG8 | RS485-USB converter | RS485-Ethernet converter |
|---|---|---|---|---|
| RS485 A1 | RS485 A | RS485_POS | RS485 A | TX+ |
| RS485 B1 | RS485 B | RS485_NEG | RS485 B | TX- |
| N/A | RS GND | GND | Not available | G |
Last updated January 19, 2026Edit this page