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Communication controller and industrial control system based on same

An industrial control system and controller technology, applied in the direction of comprehensive factory control, comprehensive factory control, electrical program control, etc., can solve the problems of reducing control accuracy and reliability, attenuation, signal interference, etc., to improve control accuracy and reliability , Improve flexibility and high reliability

Inactive Publication Date: 2011-02-02
HANS LASER TECH IND GRP CO LTD +1
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Problems solved by technology

However, when the distance between the upper controller and the servo driver is far away, problems such as signal interference and attenuation will occur, which will reduce the control accuracy and reliability

Method used

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  • Communication controller and industrial control system based on same
  • Communication controller and industrial control system based on same
  • Communication controller and industrial control system based on same

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Embodiment Construction

[0018] The specific implementation manners of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0019] The communication controller is used in the industrial control system and is based on the EtherCAT (Ethernet for Control and Automation Technology, an open real-time Ethernet communication protocol.) Protocol communication controller, which includes a communication board and a communication board connected to the communication controller An FPGA (Field-Programmable Gate Array, field-programmable gate array, that is, a function block containing programmable logic components) control board, the communication board and the FPGA control board are connected by a serial peripheral interface (SPI), and the communication board integrates EtherCAT communication program that realizes EtherCAT communication function and special function.

[0020] figure 1 It is a structural schematic diagram of the communication controller in an em...

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Abstract

The invention relates to a communication controller and an industrial control system based on the same. The communication controller comprises a communication panel and an FPGA control panel, the communication panel and the FPGA control panel are connected through a serial peripheral interface, and an EtherCAT communication program capable of realizing the EtherCAT communication function and the dedicated function thereof is integrated in the communication panel. The communication controller of the invention can avoid the interference and the attenuation of signals, and enhance the accuracy and the reliability of the control. The FPGA control panel is adopted for controlling a servo device, thus the parameters can be modified at any time according to the needs of a user, the transmission rate is faster, the communication flexibility is enhanced, and the reliability is higher.

Description

【Technical field】 [0001] The invention relates to a communication controller and an industrial control system based on the communication controller. 【Background technique】 [0002] Motion control systems are mainly divided into two categories: speed control systems and position control systems. The traditional electric transmission system generally refers to the speed control system, which is widely used in machinery, mining, metallurgy, chemical industry, textile, papermaking, cement, transportation and other industrial sectors. For the position control system, the name of motion control is widely used in the world at present. The servo motion control system is a branch of the motion control field. It mainly converts the given command into the desired mechanism motion through the servo drive device, and forms a closed-loop system through the feedback signal. Generally, the power is small, and it has the characteristics of positioning requirements and frequent braking. It ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 谢谦秦红燕王光能刘元江高云峰
Owner HANS LASER TECH IND GRP CO LTD
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