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Method for implementing EtherCAT field bus control system

A field bus control and implementation method technology, applied in general control system, control/adjustment system, program control, etc., can solve the problems of huge size, increased learning cost and time for operators, and cumbersome workload, etc., to achieve powerful functions and reduce The cost of operation and learning, and the effect of simple realization method

Active Publication Date: 2020-01-07
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology

Almost all existing EtherCAT master station control systems are built based on Linux systems, and the hardware platforms are mostly ARM or ARM+FPGA architectures. This solution involves the design and development of hardware platforms, system transplantation of Linux systems, and driver development or transplantation. The overall workload is cumbersome and huge, and most of the Linux systems are command-line operations, which increases the learning cost and time for operators to operate the control system

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  • Method for implementing EtherCAT field bus control system
  • Method for implementing EtherCAT field bus control system
  • Method for implementing EtherCAT field bus control system

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Embodiment Construction

[0040] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.

[0041] see figure 1 and figure 2 , the realization method of the EtherCAT fieldbus control system provided by the present invention, described realization method adopts Microsoft's official tool development, conforms to development standard, has shortened development cycle, EtherCAT master station performance is superior and stable, simple to install, easy to use; Give full play to the powerf...

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Abstract

The invention belongs to the technical field related to industrial automation control, and discloses a method for implementing an EtherCAT field bus control system, and the method comprises the following steps of (1) modifying a programmable redirection table of the I / O APIC such that each external interrupt received by I / O APIC is redirected to CPU1, and using CPU0 as a real-time CPU core; (2) using the SOEM EtherCAT open source master as an EtherCAT master protocol stack, and compiling the SOEM EtherCAT open source protocol stack into a kernel driver module; (3) using the NDIS protocol driver to send and receive data from the SOEM EtherCAT open source protocol stack; and (4) using a DPC timer to provide timing interrupts to achieve communication between the EtherCAT master and slave stations. The method provided by the invention reduces the cost and development cycle, has strong applicability, and is beneficial to popularization and application.

Description

technical field [0001] The invention belongs to the technical field related to industrial automation control, and more specifically relates to a method for realizing an EtherCAT field bus control system. Background technique [0002] To remain competitive in the market, many enterprises are gradually adopting advanced industrial automation technologies to maximize productivity, economies of scale, and product quality. The emergence of real-time industrial Ethernet has created a new impetus for the development of the automation industry. EtherCAT is a new type of real-time industrial Ethernet field bus, which has incomparable advantages in real-time, reliability and determinism, etc., and is supplemented by flexible topology and easy implementation, and has been widely used in the field of industrial automation. application. Motion control is an important technology in the field of automation. EtherCAT can not only provide high-speed real-time data communication, but also s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/042
CPCG05B19/0421G05B19/0423G05B2219/2231
Inventor 叶伯生饶阿龙陶婕妤张文彬谢鹏谭朝帅思远
Owner HUAZHONG UNIV OF SCI & TECH
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