With the gradual penetration of the industrial Internet into all major fields of industrial manufacturing,industrial enterprises urgently need to speed up the pace of digitization through the industrial Internet in order to improve production efficiency,save equipment operation and maintenance costs,and meet the individual needs of customers.Studies the composition of a monitoring network for variable frequency speed regulation of asynchronous motors connected by Siemens S7-1200,HMI and G120 frequency converters by means of by Profinet communication protocol.The study includes the hardware structure of control system,the parameter setting of frequency converter and the design of PLC control program.The control system can be fully integrated into the industrial Internet,with the advantages of convenient monitoring and low cost.
关键词
工业互联网/Profinet/S7-1200PLC/G120变频器/HMI
Key words
industrial internet/Profinet/S7-1200PLC/G120 frequency converter/HMI
维普
万方数据