Programmable logic controller (PLC) cooperative controller based on system-on-a-programmable-chip (SOPC) technology

Abstract

A PLC cooperative controller based on a SOPC technology of the present invention has the advantages of open system structure, simple development transplant, high scalability, etc., can better satisfy the requirement of the modern industry cigarette production automation. The PLC cooperative controller based on the SOPC technology comprises a cooperative controller module and a PLC operation system module, and the structural key points of the PLC cooperative controller based on the SOPC technology are that: the cooperative controller is connected with a conversion circuit via an RS232, the conversion circuit is connected with an RS485 communication module, and the RS485 communication module is connected with a CP341; the CP341 is connected with the PLC operation system module, and the exteriors of the cooperative controller and the PLC operation system module are each connected with an external I / O interface module. The PLC cooperative controller based on the SOPC technology comprises an upper computer and a lower computer, wherein the upper computer adopts a SOPC-based virtual PLC module partially, and the upper computer and the lower computer are connected via an RS232 bus protocol.

Description

technical field [0001] The invention specifically relates to a PLC cooperative controller based on SOPC technology. Background technique [0002] Because the traditional hardware PLC technology is closed to the outside world, the PLC hardware platforms of various manufacturers are different, the supported PLC languages ​​are also different, and the protocols and buses for communication between them are also completely different. Therefore, with the development of computer technology, people have gradually realized that the poor versatility, compatibility and expandability of hardware PLC are restricting the rapid development of PLC. At the same time, with a new round of technological transformation in the cigarette industry, a large number of new tobacco shredding equipment has been imported from foreign tobacco machine equipment companies such as HAUNI in Germany and Garbuio in Italy. The equipment manufacturers have adopted technical blockade or even encryption for the PLC...

AI Technical Summary

Problems solved by technology

[0004] The present invention aims to overcome the disadvantages of traditional PLC such as poor compatibility and expandability, and low cost performance. At the same time, in order to break through the problems of PLC program encryption and high difficulty in secondary development of new smoke machine equipment, and to make up for the shortcomings of the existing technology, a SOPC-based technology is proposed. PLC collaborative controller; the present invention has the advantages of open architecture, simple development and transplantation, and high scalability, and can better meet the requirements of modern industrial cigarette production automation

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