PLC在高速公路隧道监控系统中的应用

The Application of PLC in the Monitored Control System of Freeway tunnels

福宁高速公路隧道众多,在国内较为少见,隧道监控采用PLC作为本地控制器进行数据采集和信息发布,整个PLC系统组网方便,运行可靠,达到并满足设计的目的和要求。

There' re many tunnels on FuNing freeway, which rarely happen in China . The tunnel monitored system utilizes PLC as the local controller to collect data and issue information , the entire PLC network system can be pretty easily built up ,operate reliable, and well meet the design objective and requirement .