IO-Link - M25 modules are a product line associated with industrial automation, typically manufactured by various companies specializing in sensor and actuator connectivity solutions. These modules are part of the IO-Link system, a standardized communication protocol (IEC 61131-9) enabling smart device integration in industrial environments. While not tied to a single brand, they are widely used in automation technology, with prominent manufacturers including Balluff (Germany), IFM (Germany), and Pepperl+Fuchs (Germany). The M25 designation often refers to ruggedized, compact modules designed for harsh industrial conditions, serving sectors like manufacturing, robotics, and process control. Key products include IO-Link masters, hubs, and interface modules facilitating seamless data exchange between sensors and control systems.