Technical description: The recording format of IBA PDA Based on time is changed to the recording mode of product segmentation according to the requirements of customers, which provides conditions for product control and traceability of each manufacturer; It also provides a data basis for product quality judgment based on PDA. The technology has been tested in a plate plant of an iron and steel company, and the expected effect of the design has been achieved. It can be customized according to the special requirements of different users