The width measurement system adopts the advanced Profinet protocol. The IO-LINK module is used in the station. The sensor adopts the laser distance measuring sensor imported from Europe to form a set of all-digital measurement system. The protection level is IP67, which is suitable for all kinds of complicated working conditions. Advantages: high measurement accuracy, anti-interference ability, no measurement loss, easy to replace the sensor, the system also comes with data exchange interface, to facilitate other systems for data access.