Production Information System of Automobile Assembly Line Based on PLC Remote I/O

A solution based on PLC remote I/O is put forward for the production information collection and management of the automobile assembly line required. SIEMENS S7-200, S7-300PLC and IPC, LED large screen are integrated into an information system which accomplishes various information display of help application on each station, failure alarm for stopping the line, TAKT in the assembly line, periodical production plan and information display of the current completion and production information. Thus the failure can be immediately cleaned and the production status can be dynamically controlled. Through long-term running the system, it has shown that the system can timely acquire data, display them and store complete information.