Check the Pro380 terminal labels
Follow the manufacturer wiring diagram for the exact Pro380 revision. Connect RS485 A/+ to controller A, RS485 B/- to controller B, and the communication reference to GND when available. Verify the labels on the installed meter before energising the bus.
You MUST give each devicea unique address on the RS485 bus. Check the device manual for instructions.
Use lower addresses first (1, 2, ...) because the Sunlight GroupEMS will find them faster!
For each device, it is generally recommended to keep the factory-default baud rate, parity, and stop bits. The Sunlight GroupEMS will scan those first.
