The XM3B-2522-211 is a PLC (Programmable Logic Controller) module manufactured by Omron. It is part of the XM3 series and is designed to control industrial process automation applications. The module is capable of controlling up to 16 points of digital input/output, and of storing up to 32 programs. It supports a variety of communication protocols, such as RS-232, RS-485, Ethernet, and others. It also features a built-in USB port for data transfer. The module is compatible with the Microsoft Windows operating system.