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Communication cable and communication method

A communication cable and cable technology, applied in the direction of circuits, electrical components, coupling devices, etc., can solve the problems of increased management, increased cost, increased work complexity, etc., and achieve the effect of simple operation, reduced management cost and operating cost

Inactive Publication Date: 2005-04-20
施耐德电气(中国)投资有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, this increases the difficulty of management, the complexity of work, and the cost

Method used

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  • Communication cable and communication method
  • Communication cable and communication method
  • Communication cable and communication method

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Embodiment Construction

[0013] Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0014] figure 1 is a schematic diagram of a communication cable according to a preferred embodiment of the present invention.

[0015] refer to figure 1 , The communication cable according to the present invention includes first and second connection devices 10 and 20, a conversion device 30, and first and second cables 11 and 21 connecting the first and second connection devices to the conversion device 30, respectively. The first and second connection means 10 and 20 are respectively used to connect a first device (not shown) with a first communication mode and a second device (not shown) with a second communication mode. In this embodiment, the first communication mode is RS485, and the second communication mode is RS232C.

[0016] The switching device 30 can be adjusted to switch between different communication modes and different working ...

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Abstract

The invention discloses a communication cable and a communication method for connecting devices with different communication modes. The cable includes first and second connection devices, first and second cables and a conversion device, which can be adjusted to perform different Communication mode and conversion of different working modes. The conversion device includes: a control circuit, which is provided with first and second interfaces connected with the first and second cables; and a working mode changeover switch, which is electrically connected with the control circuit and can be adjusted to switch to different working positions , each of the working positions corresponds to a different working mode for communication between the two devices. This communication cable can be used in various working conditions without changing the cable.

Description

technical field [0001] The invention relates to a communication cable, in particular to a communication cable capable of connecting devices with two different communication modes. The invention also relates to a method of communication using the cable. Background technique [0002] With the development of communication technology, new communication modes have appeared, such as RS485 and so on. These modes increase the rate of signal transmission, increase the working distance and work more reliably. Therefore, many devices adopt advanced communication modes such as RS485. However, considering that there are still a large number of devices using the previous communication mode, such as RS232C, etc., the conversion between these communication modes must be considered. The current solution to this problem is to set a dedicated conversion interface in the RS485 device. However, according to the solutions in the prior art, it is necessary to provide a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R31/06
Inventor 童建友王勇黄常蓉
Owner 施耐德电气(中国)投资有限公司