Principles construction of the modern automated systems analytical control (ASAC) metallurgical and concentrating manufacture are considered. Designs of devices selection liquid and dry samples, features of their application for various technological conditions are described. Devices of preliminary preparation, sending and reception of samples are described. The generalized function chart typical centralized ASAC is given. Some features of application decentralized ASAC are described. Methodical questions of operation of systems of the analytical control are mentioned.