Communication Overview
Please ensure the system is turned off before modifying anything.
| Item | Function | Foot position | Note |
|---|---|---|---|
| E1 | DI1 and DI2 input port | 1: DI1+ 2: DI1- 3: DI2+ 4: DI2- | |
| E2 | Meter and EMS communication port | 1: Meter-RS485+ 2: Meter-RS485- 3: GND 4: EMS-RS485+ 5: EMS-RS485- | |
| E3 | CT and reserve BMS communication port | 1: Meter-RS485+ 2: Meter-RS485- 3: GND 4: EMS-RS485+ 5: EMS-RS485- | BMS communication method is CAN or RS485 based on E10 DIP switch |
| E4 | DRM port | ||
| E5 | LAN port | ||
| E6 | DO1 and DO2 output port | 1: DO1+ 2: DO1- 3: DO2+ 4: DO2- | |
| E7 | Parallel port | ||
| E8 | Parallel port |
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