A bus embedded industrial control system and control method, and information processing terminal

Abstract

The invention belongs to the technical field of bus control, and discloses a bus embedded-industrial-control system and method and an information processing terminal. The bus embedded-industrial-control system includes an interface module, a bus coupling module, a central processing module, a modulation module, a filtering module, a data conversion module, a bus self-test module and a frequency correction module. According to the system, data latching technology is utilized to realize reading / writing operations of a to-be-tested parallel bus through the bus self-test module when the bus is idle, whether the bus is faulty is judged according to reading / writing results, and thus a self-test on the bus is realized. The system is simple and easy to execute, the self-test on the parallel bus can be realized through very few circuits, and a case where a parallel-bus fault causes a system data error is avoided; frequency in bus communication is corrected at the same time through the frequencycorrection module, and frequency accuracy is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of bus control, and in particular relates to a bus embedded industrial control system, a control method, and an information processing terminal. Background technique [0002] At present, the existing technologies commonly used in the industry are as follows: [0003] Industrial control systems require large data volumes and high-speed transmissions such as images and voice signals, which has led to the combination of Ethernet and control networks that are currently popular in the commercial field. This wave of industrial control system networking has also integrated many popular technologies such as embedded technology, multi-standard industrial control network interconnection, wireless technology, etc., thereby expanding the development space of the industrial control field and bringing new development opportunities. With the development of computer technology, communication technology and control technol...

AI Technical Summary

Problems solved by technology

[0005] The existing bus embedded industrial control system cannot detect bus faults in time, causing bus faults to affect system data errors; at the same time, the frequency of the bus communication process is easy to rough, resulting in inaccurate data

[0006] Communication protocols in the prior art cannot reduce the average number of key links in the network, especially POSR-0 cannot reduce the number of key links without increasing the congestion rate

[0007] Poor filtering effect of specific band frequencies in bus signals in the prior art

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