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Ordinary PC and Siemens PLC Ethernet communication method

A communication method, Ethernet technology, applied in the direction of total factory control, total factory control, electrical program control, etc., can solve the problems of software limitations and internal structure unknown, increase cost, cost increase, etc., to achieve easy maintenance and upgrade , flexible design, and the effect of reducing manpower input

Inactive Publication Date: 2013-09-25
江阴市中立机械工业有限公司
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  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, in industrial production, most of the ways of human-computer interaction are to connect and exchange data through the touch screen and PLC, and most products will choose the same brand of PLC and dedicated touch screen or dedicated configuration software for development of human-computer interaction Interface program, which can avoid the development of communication, but this mode causes software limitations and the risk of unknown internal structure, and will greatly increase the cost. The cost of special touch screen and configuration software is calculated according to the number of units. That is to say, the cost of producing products and using software is proportional to the increase, which leads to a sharp increase in its cost

Method used

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Embodiment Construction

[0010] The present invention relates to an ordinary PC and Siemens PLC Ethernet communication method, wherein a data line is connected between the ordinary PC (personal computer) and PLC (programmable logic controller), and an independent communication software, the PLC is pre-stored with data, and the PC realizes the communication with the PLC through the communication software running on the PC, including reading the pre-stored data on the PLC.

[0011] The protocol adopted by the present invention is not developed on the basis of common configuration software in the market or based on existing components. This communication has an independent code structure and method, and it is only based on the TCP / IP protocol for the composition of communication content and PLC. The setting, communication speed and reliability are very high. After many tests, this communication program can read 10M data in 1 second (different computers and different PLCs have different speeds, so this dat...

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Abstract

The invention relates to an ordinary PC and Siemens PLC Ethernet communication method, a data wire is connected between an ordinary PC and a PLC, independent communication software runs on the PC, data are pre-stored on the PLC, and communication between the PC and the PLC is achieved through the communication software which runs on the PC. The ordinary PC and Siemens PLC Ethernet communication method is low in cost.

Description

technical field [0001] The invention relates to an Ethernet communication between a common PC and a Siemens PLC based on the TCP / IP protocol, and belongs to the technical field of communication. Background technique [0002] At present, in industrial production, most of the ways of human-computer interaction are to connect and exchange data through the touch screen and PLC, and most products will choose the same brand of PLC and dedicated touch screen or dedicated configuration software for development of human-computer interaction Interface program, which can avoid the development of communication, but this mode causes software limitations and the risk of unknown internal structure, and will greatly increase the cost. The cost of special touch screen and configuration software is calculated according to the number of units. That is to say, the cost of producing products and using software is proportional to the increase, which leads to a sharp increase in its cost. Conten...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 居惠峰
Owner 江阴市中立机械工业有限公司
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