Programmable logic controller (PLC) is a control system using electronic operations. Its easy storing procedures, handy extending principles, functions of sequential/position control, timed counting and input/output control are widely applied to the field of industrial automation control.  AH500 Series Programmable Logic Controllers
The new generation AH500 Series PLC provides automation solutions for high-level applications. The combination of modularized hardware structure, advanced functions, and the highly integrated software provides a system solution for process control applications. In addition to various function blocks (FB), excellent price/performance, and an abundant selection of extension modules, the AH500 Series PLC also provides exceptional system expandability, greatly reducing the system cost for a broad range of applications.