The advanced industrial network solution based on APL provides users with a complete solution from instruments, networks, control systems to applications, which can significantly reduce investment costs, shorten construction periods, and improve the level of enterprise intelligence. The program features include: a single controller supporting 31 (pairs) power switches, 256 on-site switches, and 3072 APL instruments; Communication cables simultaneously supply power to on-site equipment; Explosion proof design specifications, applicable to hazardous areas; Highly integrated with the control system (DCS) for easy modification; Micro network segment logical isolation is used to prevent packet traffic from interfering with normal communication and occupying network bandwidth resources.