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Intelligent factory industrial internet system architecture

A technology of industrial Internet and architecture, applied in the field of industrial Internet system architecture of smart factories, can solve the problems of untimely response of sensor data, achieve the effect of reducing the transmission of repeated data, increasing the speed of data reading and writing, and avoiding delay

Pending Publication Date: 2021-06-11
SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In a large-scale control system, a Scan Cycle often takes up to 100ms, and if the response to some sensor data is not timely, it may cause major problems

Method used

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  • Intelligent factory industrial internet system architecture
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  • Intelligent factory industrial internet system architecture

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Embodiment Construction

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0017] Such as figure 1 As shown, a schematic diagram of a traditional three-level industrial network is given, which consists of a factory-level network, a workshop-level network, and a field-level network. The factory-level network includes an office network and a production network. The workshop-level network consists of industrial Ethernet and / or wireless Network composition, with human-machine interface interface, to realize data acquisition and monitoring control; field-level network is composed of field bus, industrial Ethernet and / or wireless network, which can be used in process controllable system (DCS) and distributed control system (FCS) Under the control of the programming controller PLC, the on-site machines and other equipment are controlled. Among them, the first-level network (factory-level network) and the second-level network (works...

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Abstract

The invention discloses an intelligent factory industrial internet system architecture. The intelligent factory industrial internet system architecture comprises an OPC UA server, a control network, a PLC controller, an inverter and a remote IO device; the PLC controller, the novel inverter and the novel remote IO device are all connected to the control network through Ethernet network interfaces, the old remote IO device and the old inverter are connected to the control network through a data converter, and the data converter achieves communication with the OPC UA server through mutual conversion between the data format and mechanism of the field bus and the data format and mechanism of the OPC UA. According to the intelligent factory industrial internet system architecture, through a high-speed service mechanism of the OPC UA server, the data reading and writing speed of remote control equipment is greatly improved, the one-to-one communication time and the one-to-many communication time meet the single scanning time requirement of a PLC, the transmission amount of repeated data in a network is greatly reduced, and network resources are saved.

Description

technical field [0001] The present invention relates to a smart factory industrial Internet system architecture, more specifically, to a smart factory industrial Internet system architecture in which a device without an Ethernet network interface communicates with an OPC UA server via a data converter. Background technique [0002] In the current industrial network system, a large number of industrial bus devices based on serial port communication are used. However, in recent years, major automation equipment providers have unified network interfaces. For example, Siemens has launched a new PLC CPU in recent years. There is no PROFIBUS DP interface on it. Corresponding to this, other manufacturers also provide Ethernet connectors for new bus devices to support direct connection to the network. These hardware changes are an important basis for this solution. [0003] At the same time, the UA structure proposed by the OPC Foundation strengthens the ability to respond to large ...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCG05B19/4185G05B2219/31088Y02P90/02
Inventor 封桂荣张磊胡博祎杜涛李亚杰
Owner SHANDONG CHAOYUE DATA CONTROL ELECTRONICS CO LTD
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