The APEX Edge Device is an intelligent, multi-protocol field interface designed for the remote monitoring and control of inverters, energy meters, and battery systems. It supports seamless integration with a variety of devices via RS-232, RS-485, CAN bus, and USB interfaces. The device offers both cloud-based data storage via the APEX Cloud platform and optional local logging through an onboard SD card. Configuration is managed via a local web interface accessible from any mobile device. The unit also serves as a field extension module for MCS microgrid controllers, enabling I/O expansion and intelligent remote control for distributed energy systems.