The part to handle in this stepRS485: blue-white is A (pin 5), blue is B (pin 4)24 V: red +V to 24, black −V to 0Solis S6 Hybrid 6–10 kW to a Thiink CU-Din over RS485, after Thiink's wiring drawing (revision 2, 2026-05-20). Terminal positions follow that drawing. The breaker and network switch stand in for the site's own 230 V control circuit and network.