RTA controller, German RTA model, RTA price

The RTA controller is a master command device that controls motor starting, speed regulation, braking, and reversing by changing the wiring of the main circuit or control circuit and altering resistance values in the circuit according to a predetermined sequence. It consists of a program counter, instruction register, instruction decoder, timing generator, and operation controller. It is the "decision-making unit" that issues commands, coordinating and directing the operation of the entire computer system. Controllers are divided into combinational logic controllers and microprogrammed controllers, each with its own advantages and disadvantages. Combinational logic controllers are troublesome to design and have complex structures; once the design is completed