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Communication system

A technology of communication system and communication unit, which is applied in the field of communication system and can solve problems such as inability to load and inability to communicate with each other

Inactive Publication Date: 2016-04-27
QINGDAO JINXUN NETWORK ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this communication system, the communication terminal unit (B1) and the communication unit (B2) are connected to the same communication line (W) but cannot communicate with each other, and accordingly each of the communication terminal unit (B1) cannot be controlled based on the second monitoring information. load

Method used

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Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0024] The communication system of the first embodiment of the present invention. A communication system includes a communication control unit (A1) connected to a communication line (W), a plurality of communication terminal units (B1), and a plurality of communication units (B2). In an embodiment, the communication control unit (A1) is a master station. Each communication terminal unit (B1) is a secondary station configured to communicate with the communication control unit A1. Each communication unit (B2) is a point-to-point device, configured to communicate directly with each other. The communication terminal unit and the communication unit in the present invention may be integrated, or the communication terminal unit, the communication unit and the load in the present invention may be integrated.

[0025]The communication terminal unit (B1) is connected in parallel with the communication control unit (A1) through a two-wire communication line (W). Each communication ter...

no. 2 example

[0061] The main part of the communication system of the second embodiment of the invention, the communication system is characterized in that: each monitoring device (2) of the second communication unit (B22) periodically obtains the second monitoring information through periodic polling; the first Each data transmitter of the communication unit (B21) transmits control information except polling time.

[0062]First, periodic polling will be described. In the second communication unit (B22), the monitoring device (2) conducts periodic (sequential )polling. Moreover, the monitoring device (2) also periodically (sequentially) obtains second monitoring information returned from one (or more) first communication units (B21) through the second communication unit (B22) in response to periodic polling . In the first communication unit (B21), the data transmitter obtains a second monitoring information, and then periodically return the second monitoring information to the second co...

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PUM

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Abstract

The invention discloses a communication system, comprising a communication control unit, multiple communication terminal units and multiple communication units; the communication control unit and the communication terminal units communicate according to a first protocol; the communication units communicate mutually according to a second protocol; some communication units are equipped with data analyzers and data senders; the data analyzers judge whether second monitoring information is in stable state; if the second monitoring information is in unstable state, the data analyzers transmits the control information corresponding to the second monitoring information to at least one related second communication terminal unit through the communication control units according to the first protocol so as to control the load connected to the second communication terminal unit.

Description

technical field [0001] The present invention relates generally to communication systems, and more particularly to a communication system comprising a communication control unit connected to a communication line, connected to the communication line and configured to communicate with the communication control unit in accordance with a first protocol A plurality of communication terminal units, and communication units connected to the communication line and configured to communicate with each other according to the second protocol. Background technique [0002] For example, Japanese Patent No. 1180690 (Japanese Patent Application Publication No. 52-072436) discloses a communication system (time division multiple access transmission system). In this system, a communication control unit (master station) and a plurality of communication terminal units (secondary stations) are connected to a communication line, and communication is performed between the communication control unit a...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L29/08
Inventor 李东
Owner QINGDAO JINXUN NETWORK ENG
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