Data transmission system and method

A data transmission system and data technology, applied in the direction of electrical digital data processing, instruments, etc., can solve the problem of limiting the data acquisition capability of a single cabinet

Active Publication Date: 2021-05-18
ZHEJIANG SUPCON TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, only up to four racks can be interconnected in one cabinet, which limits the data collection capability of a single cabinet

Method used

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  • Data transmission system and method
  • Data transmission system and method
  • Data transmission system and method

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Embodiment Construction

[0072] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0073] In this application, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any actual relationship or order, the terms "comprises," "comprises," or any other variation thereof are intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus that in...

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Abstract

The invention relates to a data transmission system and method. The system includes: a local cabinet and a cross-level cabinet; the local cabinet includes a main frame, a local bus distribution unit and a local expansion rack; Expansion rack; the main rack sends data packets and data tokens to the local bus distribution unit and the local expansion rack; the local bus distribution unit forwards the data packets and data tokens to the cross-level bus distribution unit; the local expansion rack Packets and data tokens collect data information and return the data information to the main rack; each cross-level bus distribution unit forwards data packets and data tokens to the cross-level expansion rack; the cross-level expansion rack is based on data packets and data tokens Collect data information and return the data information to the main frame. Applying this system, multiple cross-level cabinets can be expanded, and the local bus distribution unit and the cross-level bus distribution unit can be connected through the ECI bus to increase the data collection capability of the local cabinet.

Description

technical field [0001] The invention relates to the technical field of control systems, in particular to a data transmission system and method. Background technique [0002] In the ECS-700SE industrial control system, it needs to be applied to each I / O card in the cabinet for data sampling, and the data packets obtained by sampling in the I / O card are sent to the controller of the main rack in the cabinet to realize industrial control The process of data transmission between cabinets in the system. [0003] In the prior art, each cabinet contains multiple racks, wherein the main rack includes a controller for data transmission, and multiple expansion racks for collecting data, and each expansion cabinet is provided with multiple I / O card for data sampling. However, only up to four racks can be interconnected in one cabinet, which limits the data collection capability of a single cabinet. Contents of the invention [0004] In view of this, the present invention provides ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F13/20G06F13/42
CPCG06F13/20G06F13/4291
Inventor 陆卫军吴益锴王雅莉章维
Owner ZHEJIANG SUPCON TECH
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