This electrical control system is controlled by the Japanese Mitsubishi FX3U programmable logic controller. The hoisting, trolley, and slewing mechanisms are equipped with Japanese Mitsubishi FR – A840 frequency converters. The wiring interface of this system uses rectangular sockets, which are easy to assemble and disassemble, making it highly suitable for on – site assembly, disassembly, and maintenance in the wild. This series of products is widely used in the installation sites of power towers. So far, hundreds of sets have been produced and have won wide recognition from customers.