Ethernet-based network control system

Abstract

The invention discloses an Ethernet-based network control system. The system comprises a server, a network control terminal and a distributed network node, wherein the server is used for responding to a network control request of a network control terminal and transmitting a network control data transmission command to the distributed network node; the network control terminal is used for transmitting the network control request to the server and receiving network control data from the server; the distributed network node is used for transmitting the network control data to the server after receiving the network control data transmission command of the server; the distributed network node comprises field equipment and a field controller, wherein the field controller is connected with the field equipment and is provided with a Windows operating system; and the server, the network control terminal and the field controller are all connected with the Ethernet. The Ethernet-based network control system can realize the function of acquiring the network control data intuitively, accurately and rapidly under the conditions of saving bridging equipment, a network conversion protocol and a driver, and has strong system configuration flexibility and expansion capacity.

Description

technical field [0001] The invention relates to the technical field of automatic control, in particular to an Ethernet-based network control system. Background technique [0002] As the mainstream and development trend of the current automation control system, network control and remote management are widely used in industrial and mining enterprises, automated production lines, intelligent transportation, building control and other fields. Most of the current mainstream network control systems are evolved from DCS (Distributed Control System, distributed control system). The physical picture of the popular multi-protocol network control system in the market is as follows: figure 1 shown. The communication between the management layer and the layers above mostly adopts Ethernet technology, and the control layer follows the topology of the original DCS system of each company. Such as figure 1 As shown, in order to realize the compatibility of various products and communica...

AI Technical Summary

Problems solved by technology

[0003] The system under the above-mentioned architecture is obviously more complicated, especially the control layer must mostly use dedicated network support equipment monopolized by DCS companies, so that the design and equipment selection process of Ethernet control systems on the market are more limited by equipment compatibility, resulting in Many insurmountable defects, such as fixed system structure and functions, difficulties in upgrading and expanding, poor compatibility with heterogeneous standard equipment, etc.

It can be seen that in order to realize the support of the system management layer for Ethernet, the existing technical solutions are difficult in the process of integrating devices of different technical standards or different manufacturers, high cost, complicated software implementation, and difficult system expansion and maintenance

[0004] Therefore, although the existing technical solutions generally have sufficient performance indicators and reliability, they can be used in the key areas of industrial production control and management, but for the monitoring and management of non-critical automatic control systems, especially for large-scale, flexible Distributed production parameter monitoring of configuration and expansion functions, intelligent transportation system monitoring, intelligent building management and other application fields, the defects of high cost, single function, and inconvenient expansion have affected the further popularization and application of network control technology

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