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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  • Claims
  • 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 commun

Method used

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Examples

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Example Embodiment

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

[0011] The protocol adopted by the present invention is not common configuration software on the market or developed on the basis of existing components. This communication has an independent code structure and method, but is based on the TCP / IP protocol for the composition of the communication content and PLC Settings, 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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