R5 Series- 29 -5.5 Communication ConnectionR5 inverter is standardly equipped with a RS485 interface, a DRM interface and aRS232 interface.Figure5.14 RS485 pin and DRM pinPin Number Description Effect1 White-orange NC2 Orange GND_W3 White-green +7V_W4 Blue NC5 White-blue NC6 Green NC7 White-brown RS485-A8 Brown RS485-BTable 5.5 RS485 pin port definitionPin No. Name1 NC2 NC3 NC