AppareilsPV hybrid and battery inverters
Kehua
Appareils Supportés
| Device Type | Modbus TCP (Ethernet) | RS485 |
|---|---|---|
| BCS1725K-B-HUD | ✅ | ✅ |
| NXPCS | ||
| BCS200K-B-HM |
Câblage
Pour un câblage ethernet correct : Suivez les directives pour le câblage ethernet.
RS485
Pour établir une communication entre le PCS et Controller, utilisez l'interface RS485 disponible sur la barre de terminal de câblage externe, comme indiqué ci-dessous. Ce terminal fournit des ports dédiés pour la communication RS485, qui est utilisée à la fois pour les connexions PC et BMS.
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 A (Pin 5) | RS485 A | RS485_POS | RS485 A | TX+ |
| RS485 B (Pin 6) | RS485 B | RS485_NEG | RS485 B | TX- |
| N/A | RS GND | GND | Not available | G |
