IO-Link - M19 modules are industrial automation components designed for robust and reliable communication in harsh environments. These modules are typically associated with brands like Balluff, a German company specializing in sensor and automation technology, and IFM, another German-based leader in industrial automation. The M19 form factor indicates a compact, cylindrical design with a 19mm diameter, suitable for space-constrained applications. These modules serve industries such as manufacturing, automotive, and logistics, offering IO-Link connectivity for sensors, actuators, and other field devices. Key products include IO-Link masters, hubs, and converters, enabling seamless integration into Industry 4.0 and smart factory systems. Their rugged construction ensures durability in demanding conditions, making them ideal for industrial automation tasks.