SIEMENS S7-400 PLC series is selected as the automatic control system in this scheme. I/O and communication module are mainly UniMAT brand products. The centralized-distributed network structure is adopted to meet the automation system of the whole proces View Solution

Combining with the actual situation of 680M3 blast furnace electric automation instrument control system of Qinhuangdao Baigong Iron and Steel Co., Ltd, the paper emphatically expounds the reasonable application of Yiwei UN200 and UN300 series PLC expansi View Solution

According to the general drawings of a new 10M2 shaft furnace project of a company, the system is designed on the basis of the successful experience of the similar system and the technological requirements, system structure and main functions of shaft fur View Solution