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Single-line two-way communication method of reorganizable controller

A two-way communication and controller technology, applied in the field of communication engineering, can solve the problems that do not involve specific communication means or methods, and achieve the effects of simple ease of use, stability and reliability, mature technology, simple maintenance, and low investment cost.

Inactive Publication Date: 2008-06-11
SHANGHAI JIAO TONG UNIV
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  • Summary
  • Abstract
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Problems solved by technology

This invention only mentions the software implementation method of the communication system in general, and does not specifically refer to the communication means or methods used

Method used

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  • Single-line two-way communication method of reorganizable controller

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Embodiment Construction

[0025] The embodiments of the present invention are described in detail below in conjunction with the accompanying drawings: this embodiment is implemented on the premise of the technical solution of the present invention, and detailed implementation methods and specific operating procedures are provided, but the protection scope of the present invention is not limited to the following the described embodiment.

[0026] As shown in Figure 2, the equipment used in this embodiment includes: RS232 port, signal conversion module, signal processing module of reconfigurable controller, signal conversion module includes RS232 serial driver and first single-line control driver, reconfigurable control The signal processing module of the device includes a rewritable memory, a microprocessor, and a second single-wire control driver. The RS232 port is located in the host computer, including the RS232 output port and the RS232 input port. The RS232 output port is connected to the signal inp...

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Abstract

A single line bidirectional communication method of a reconfigurable controller belonging to the technology field of communication engineering is provided. Through upper computer interface conversion module, the invention transforms positive and negative logical signals of serial communication into difference voltage signal and sends to a signal processing module, wherein, a microprocessor is for processing and responding to delivered message protocol, conversely, the information can also be sent from reconfigurable controller to the upper computer, and the delivered message protocol can be responded by the upper computer, during responsion, corresponding operations are executed according to different operating commands, the commands comprise starting parameterization, reading erasable memorizer operation, writing erasable memorizer operation, whole piece erasure operation of the erasable memorizer, stopping parameterization; during the operation execution, the communication state is displayed in real-time according to real-time communication state. By utilizing the characteristic of single line communication in the invention, wire harnesses are reduced for more than a half than universal serial or other wired communication, thereby realizing the stability of information interaction and data transferring of each numerical module.

Description

technical field [0001] The invention relates to a method in the technical field of communication engineering, in particular to a single-wire bidirectional communication method for a reconfigurable controller. Background technique [0002] Reconfigurable controllers have become an inevitable trend in the development direction of controllers because of their good characteristics such as modularization, openness and portability. As the link between the reconfigurable controller and the NC module, information communication is used to send the instructions or data of the reconfigurable controller to the corresponding NC module to adjust the processing sequence of the NC module or realize other functions. Feedback the adjusted information state of the numerical control module to the controller. Compared with the communication mode of the traditional controller, the communication mode of the reconfigurable controller is more flexible and open, which solves the shortcoming of the c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 殷跃红俞雪锋徐文超陆健李华刚
Owner SHANGHAI JIAO TONG UNIV
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