The modelling of the automation schemes of technological processes in   CAD-system of renovation of the enterprises
  According to the requirements of the Russian standards, the automation schemes are necessary practically in each project of renovation of industrial buildings and facilities, in which any technological processes are realized. The model representations of the automation schemes in CAD-system TechnoCAD GlassX are described. The models follow a principle "to exclude a repeated input operations" 
Vladimir V. Migunov