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Method for enhancing discrete signal transmission reliability

A discrete signal and reliability technology, applied in the field of signal transmission, to achieve the effect of enhancing the reliability of discrete signal transmission and avoiding the problem of transmission errors

Active Publication Date: 2020-02-04
TIANJIN JINHANG COMP TECH RES INST
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide a method for enhancing the reliability of discrete signal transmission in view of many problems existing in the existing discrete signal transmission method

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  • Method for enhancing discrete signal transmission reliability
  • Method for enhancing discrete signal transmission reliability
  • Method for enhancing discrete signal transmission reliability

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Embodiment Construction

[0018] In order to make the purpose, content and advantages of the present invention clearer, the specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and embodiments.

[0019] refer to figure 1 , the specific implementation steps of a method for enhancing the reliability of discrete signal transmission according to the present invention are as follows:

[0020] Step 1: Build the main control circuit. A single-chip, DSP or FPGA chip is used to build a control circuit with storage function, which can control the acquisition circuit to perform dual-channel voltage acquisition and calculation while adjusting the discrete signal output voltage and controlling the discrete signal output switching.

[0021] Step 2: Build discrete signal output and acquisition circuits. The discrete signal output circuit is composed of an output voltage adjustment circuit and a "0""1" output switching circuit. The output...

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Abstract

The invention discloses a method for enhancing discrete signal transmission reliability. The method comprises the following steps of: firstly, establishing a main control circuit and a discrete signaloutput and acquisition circuit; then setting a voltage deviation upper limit and a discrete signal output voltage parameter, calculating a receiving end voltage when high-level output of the discretesignal is performed, and adjusting the output voltage according to the voltage deviation; and finally, storing the discrete signal output voltage parameter for next power-on use. The method can ensure that the high-level voltage received by the receiving end is close to an expected voltage, so that the problem of transmission errors caused by the fact that the voltage is close to the threshold edge is avoided, and the discrete signal transmission reliability is enhanced.

Description

technical field [0001] The invention belongs to the technical field of signal transmission, and relates to a method for enhancing the reliability of discrete signal transmission. Background technique [0002] Discrete signals refer to signals represented by discontinuous quantities in the time domain. In practical applications, ground and high levels are usually used to represent "0" and "1" respectively for instruction and state transmission. When transmitting discrete signals between different devices, in order to ensure that the discrete signals sent by the sender are reliably recognized by the receiver, it is necessary to ensure that the high level received by the receiver is within a certain threshold range. Considering the attenuation of the signal by the cable, in order to prevent the high level of the receiving end from being lower than the threshold, the existing method usually increases the threshold range of the receiving end and uses a high-level signal with a hi...

Claims

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Application Information

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IPC IPC(8): G05B19/042H04L1/16H04L1/20
CPCG05B19/042H04L1/16H04L1/20
Inventor 全浩军所玉君崔建飞
Owner TIANJIN JINHANG COMP TECH RES INST
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