The ADAM-6521-BE is a DIN-rail industrial analog input module from Advantech. It features 8 channels, each with 16-bit resolution, for a maximum input of ±10V. The module is equipped with a high-speed data sampling rate of 1,000 readings per second to collect analog data from sensors and other external devices. It also comes with a built-in I/O LED to indicate current status, and a jumper to enable/disable input ranges and power saving modes. The basic module also supports Advantech's ADD-on Bus for convenient customization, making it ideal for applications such as factory automation, process control, and monitoring.