The ADAM-4000/4100/4500 series are classic modular remote I/O solutions developed by Advantech, featuring reliable data acquisition and control via RS-485 communication. These modules support a wide range of analog and digital I/O types, making them ideal for industrial automation and environmental monitoring applications. The ADAM-4000 series offers essential functions, while the ADAM-4100 series is designed for harsh environments with extended temperature tolerance. The ADAM-4500 series includes a built-in microcontroller, enabling standalone edge computing. With a simple, stable design and easy deployment, these modules are a great fit for traditional serial communication systems.