Huawei Smart MGC5000B Microgrid Controller

The SmartMGC5000B is a controller for commercial and industrial sites. It supports grid connection, seamless on/off-grid switching, and off-grid control. Microgrid functions include grid exception detection, synchronous control, and one-click automatic black start.

The controller manages up to 80 devices, including PV, energy storage (ESS), grid, and diesel generator assets. It provides a built-in PLC for genset control, smart zero export, and a Web UI for monitoring. Communication protocols are Modbus-TCP, IEC60870-5-104, and Modbus-RTU, and it supports optical fiber and GE/FE ring networking.

Connection interfaces include 1x WAN, 1x LAN, 3x RS485 COM, DI, DO, and 4x AI. The rated AC grid frequency is 50 Hz/60 Hz, the IP rating is IP20, and the unit is listed as grid-forming.