What Does a Master Control Operator Do?
Control system refers to a management system with its own goals and functions, consisting of control subjects, control objects, and control media. The master control system refers to the master-slave control system that sends control functions to the sub-control system based on the feedback from the sub-control system. The role of the master control system is similar to that of a centralized computer control system. When too many slave control systems are controlled, a failure will occur.
- The main control system is simply a mechanism for making final decisions and issuing control functions in the entire system. The main control system generally issues control instructions based on the feedback function of the sub-control system. The main control system is generally used in more complex industrial control environments, such as subways and metallurgy. The metallurgical process is complicated, the equipment is numerous, and the automatic control systems of different equipment are not the same. [1]
- advantage
- Full-featured. It can complete the optimization control from simple loop control to complex multivariable model; it can perform various composite adjustments such as cascade and feedforward feedback; it can perform various controls such as intermittent sequence control, batch control, logic control, adaptive control, etc. , To achieve display, monitoring, printing, output, alarm, data storage and other operational requirements.
- Using network communication technology. The communication network usually uses twisted pair, coaxial cable, optical fiber, etc., and the transmission distance ranges from tens of meters to more than ten kilometers. There are a variety of structures such as star, ring and bus, and the communication protocol is developing towards standardization.
- Realized man-machine dialogue technology. Operators can perform centralized monitoring and management at any time.
- Strong management skills. It is easy to achieve the fully automated management goals of management automation, equipment automation, and office automation.
- Disadvantage
- Focus on vulnerability issues. A single computer controls dozens or even hundreds of circuits. The danger is also concentrated, and if the computer fails, it will completely paralyze the production process.
- Performance issues. Because the control points and calculations of the production equipment are very large, the speed and capacity of a single computer is not enough, and the load is overloaded. The difficulty of exchanging data and control information is solved by using multiple computers.