There are also 30-minute original request programs, and a series of documentaries on pandas produced by China Central Television. Hu Zhanfan, head of China Central Television, said the website is a gift to people around the world who love pandas and crave peace, according to the China Daily.
What are PLCs and how do they work? PLCs are often defined as miniature industrial computers that contain hardware and software that is used to perform control functions. A PLC consists of two basic sections: the central processing unit (CPU) and the input/output interface system.
PLCs do have disadvantages. They do not perform well when handling complex data. When dealing with data that requires C++ or Visual Basic, computers are the controllers of choice. PLCs also cannot display data well, so external monitors are often required. PLC Hardware Components. A central processing unit (CPU) serves as the brain of the PLC.