Large limit switch FSI 900 YAWMO®

safetyelectronicmonitoring

Functionally safe limit switch for safe motion monitoring of axis rotation in wind turbines and other large machines FSI 900 YAWMO® is a position sensor with integrated functionally safe limit switch, developed for the yaw (azimuth) motion monitoring of the wind turbine nacelle. High availability and minimized time for standstill is not only an economic factor, but also important for safety. For some functions, unplanned or uncontrolled movements simply cannot be allowed to take place. In many applications where functionally safe motion monitoring is necessary with regard to the machinery directives, for example RTG cranes, mobile cranes and conveyor belts, Leine Linde's FSI 900 solutions are used. YAWMO® is a registered trademark for Leine Linde's position sensor products supplied with customized pinion wheel mounting, which is very appreciated when monitoring large axis rotation. Functionally safe yaw motion monitoring Functionally safe monitoring of the wind turbine's yaw system or other angle position movements is made by the FSI 900 YAWMO®, based on the Leine Linde's FSI 900 series. The product is a failsafe high-resolution position sensor based on an encoder with integrated electronic limit switch and fieldbus interface for communication. It is built with separate safety channels (in-and output) and safe relay connection for disconnecting the safety supply. This is used for example in case of risk for exceeding the yaw twist limit in order to ensure a safe state of the windmill.