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PLC system having remote data tracking and capturing function and operating method thereof

A technology of remote data and working methods, applied in the field of PLC systems, can solve problems such as large network environment restrictions and unsatisfactory long-term monitoring

Active Publication Date: 2016-08-10
SHANGHAI YUNTONG INFORMATION SCI & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are many user software failures that only occur in specific situations, which cannot satisfy long-term monitoring
In addition, it requires a large bandwidth to realize it, and the network environment has relatively large restrictions

Method used

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  • PLC system having remote data tracking and capturing function and operating method thereof
  • PLC system having remote data tracking and capturing function and operating method thereof

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Embodiment Construction

[0030] In order to make the object, technical solution and advantages of the present invention clearer, various embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0031] Such as figure 1 As shown, the present invention adopts the MCU of the high-performance integrated hardware floating-point calculation module as the central processing unit, and the peripheral connection input unit, output unit, bus interface, expansion port, ROM memory, RAM memory, expansion memory, remote communication unit, WDT ( Watchdog) monitoring unit, power supply and power monitoring constitute the entire host system.

[0032] Among them, the central processing unit is mainly responsible for numerical calculation, executing user programs, controlling peripheral equipment, and processing various interface protocols, etc.;

[0033] The input unit converts the host external device level signal into a digital signal recognizable by the ...

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Abstract

The invention provides a PLC system having the remote data tracking and capturing function and an operating method thereof. The system comprises five sub-modules, namely a data trigger condition detection sub-module, a program counter trigger condition detection sub-module, a trigger timer sub-module, a data capture sub-module, a data normalization storage sub-module and a captured data remote transmission sub-module. in this way, data are captured according to the preset conditional parameters of the system. Meanwhile, captured data are sent to a remote service platform. Therefore, the remote monitoring over the performing process of a programmable logic controller is realized, and the remote analysis of captured data is enabled. Moreover, the remote program analysis, the error monitoring and the error checking are realized for engineers through a service platform.

Description

technical field [0001] The invention relates to the technical fields of software tracking and wireless data transmission, in particular to a PLC system with a remote data tracking and capturing function and a working method thereof. Background technique [0002] In the current programmable logic controller (PLC) market, small and medium-sized PLCs account for about 40% of the overall market. Although the value of small-scale PLC is small, its market share is relatively large due to its large user base and large number of overall purchases. Small PLC application industries are mainly used in textile, packaging, food, electronic manufacturing, etc. [0003] Because many control systems are actually operated far away from the location of the development engineer, when a problem occurs in the field equipment, the engineer can only feel the on-site program debugging. The possible problem is not necessarily in the controller user program, but it still needs to spend a lot of mone...

Claims

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Application Information

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IPC IPC(8): G05B19/05
CPCG05B19/054G05B2219/1214
Inventor 董斌吴波马娜汪艺李坤苏虹瑞张莉莉孔颖燕
Owner SHANGHAI YUNTONG INFORMATION SCI & TECH CO LTD
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