Abstract: A method for defining the operation of a plant for producing, conveying and packaging articles, in particular rolls, such as rolls of paper material and the like. The plant comprises the following operative sections: at least an apparatus for forming articles positioned upstream, at least a machine for packaging said articles in respective packs positioned downstream, and an apparatus for conveying said articles which is able to transfer said articles between said forming apparatus and said packaging apparatus. The method and the plant provide that, through a central control unit of the plant, starting from predefined setting data, operating parameters of the sections of the plant are determined.