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Field bus communication failure recording device

A field bus and communication failure technology, applied in the direction of response error generation, instrumentation, electrical digital data processing, etc., can solve communication failure, communication interruption and other problems

Inactive Publication Date: 2005-06-22
SHANGHAI ELECTRICAL APPLIANCES RES INSTGROUP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, problems such as electrical interference in the industrial environment, that is, electromagnetic compatibility, often cause communication failures and communication interruptions.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0011] Embodiment 1: A fieldbus communication fault recording device, which is connected to the fieldbus system in the form of a substation. The device includes an address encoder, a device for recording faults and an output device, wherein the output device is connected to the address encoder and the device for recording faults respectively, and its communication address related circuits are different from those of traditional substations. Its address encoder has a receiving encoder and a sending encoder. The receiving encoder is a full-address encoder for receiving communication signals, and only receives communication content received and sent by all addresses in the system. Its sending coder has a sending communication address shield, so that it cannot send any information with the address of other substations. It has a fault recording device, which can record fault-related information of sub-stations or master stations with communication faults. It has an output device f...

Embodiment 2

[0012] Embodiment 2: In this embodiment, when the field bus communication fault recording device needs to report to the main control computer through the field bus communication system network, the output device directly reports the fault record through communication. At this time, the sending address encoder generates a unique address encoder sending address for the output device, that is, the sending address when the communication content needs to be reported to the industrial control system.

Embodiment 3

[0013] Embodiment 3: In the embodiment, the output device is an off-line electronic recording device, and the optional device is a "USB" mobile electronic hard disk, floppy disk, hard disk, mobile hard disk, compressible floppy disk ZIP disk, Magnetic recording devices and the like.

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PUM

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Abstract

This invention provides a site bus communication fault registering device connecting with the site bus system in a sub-station way, including an address coder, a fault-recording device and an output device which is connected with the address coder and the fault recording device separately, the address coder has a receive coder and a transmission coder, the receive one is a total address coder receiving communication signals, receiving the total send and receive communication contents in the system only, the transmission coder has a shield device, so that it can't send any information with addresses of other sub-stations, the fault-recording device records related fault information of the stations and the output device output fault records.

Description

technical field [0001] The invention relates to the field of field bus communication, in particular to a field bus communication fault recording device. Background technique [0002] In the field of computer industry communication, field bus communication has strong technical advantages. However, problems such as electrical interference in the industrial environment, that is, electromagnetic compatibility, often cause communication failures and communication interruptions. At the same time, different industrial environments bring various problems to computer control and communication systems. The most confusing thing for technicians is the random transient faults, which are difficult to catch, analyze and take countermeasures. [0003] To sum up, there is a need for a fieldbus communication fault recording device to capture information. Contents of the invention [0004] The purpose of the present invention is to propose a field bus communication failure recording devic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F11/07G06F13/00
Inventor 朱飞朱守云
Owner SHANGHAI ELECTRICAL APPLIANCES RES INSTGROUP