Control Technology Study Of The Downcoiler Of Hot Mill Of Pangang Degassing Plant Of Pangang

In order to suit for the addition and the requirements for market. to improve quality.to debase loss of energy,?ANGANG Iron and Steel CO. decides to change the control system of the number three and four downcoiler of hot mill, The writer is the architect of this project!This text describes mainly the basic conditions, control desires of control system and the control system.On basis of the development of modern control technology and apply of the network technology and locale bus-mastering technology, this text analyzes the essential element for produce downcoiler system: principle of assign for speed ; expatiates in detail on the network structure and communication protocol of Ethernet and Profibus-DP ; concretely describes the forms of control system configuration, the function and features of its software and hardware designs ; also , introduces mainly control function of control system, for example, sequence controk tension control, jump of wrapper roll control and operation and monitor function etc . and analyzed and settled the problems of control system in debugging and producing .Success in addition of the number three and four downcoiler of hot mill of the PANGANG Iron and Steel CO. have brought large economic and social benefits ! The succeed example design of automation are provided for the decision and popularization and implementation of add for old equipment.This project was conjoin of design and program and debug .The aim of renovation of hot mill of PANGANG Iron and Steel CO. is fulfilled , moreover ,the production in the same month was reached.