PLC control system integrated on industrial personal computer

A control system and industrial computer technology, applied in the field of PLC control system, can solve the problems of slow transmission speed, inability to use detection and analysis, reduce real-time data, etc., and achieve the effect of fast transmission speed, highlighting substantial progress, and improving performance.

Inactive Publication Date: 2020-01-17
四川中曼电气工程技术有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

These communications will first occupy connection resources (for old PLCs with weak communication capabilities, connection resources are very precious resources). Secondly, the transmission speed of these communication methods is very slow, generally at the level of seconds, that is, the general data refresh is 1 second or less. A few seconds, which greatly reduces the real-time performance of the data. For some special requirements, it can no longer be used for detection and analysis

Method used

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  • PLC control system integrated on industrial personal computer

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Embodiment

[0018] Such as figure 1 As shown, a PLC control system integrated on an industrial computer includes an industrial computer installed with a professional version of Windows system, a PLC system that is independently installed in the industrial computer and performs data interaction with the Windows system and is a real-time system, and the industrial computer runs at the same time Windows system and PLC system, and the two systems do not interfere with each other. Windows system crashes, blue screens, and even Windows system restarts will not affect the operation of the PLC system, because they are two independent systems. This ensures the stability of the PLC system. Moreover, the data exchange between the Windows system and the PLC system can be almost without delay through the high-speed buffer channel, and the data can also be exchanged synchronously according to the requirements. Among them, the Windows system and the PLC system perform data interaction in two ways, rea...

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Abstract

The invention discloses a PLC control system integrated on an industrial personal computer. The system comprises an industrial computer installed with a professional edition of Windows system, and a PLC system that is independently installed in the industrial computer, performs data interaction with the Windows system and is a real-time system, wherein the Windows system and the PLC system performdata interaction in two ways, that is, real-time or non-real-time, and the Windows system is a non-real-time system. Through the above scheme, the PLC control system disclosed by the invention achieves the purpose of having powerful logic processing capability, real-time performance and reliability, and has high practical value and promotion value.

Description

technical field [0001] The invention belongs to the technical field of drilling rig control, and in particular relates to a PLC control system integrated on an industrial computer. Background technique [0002] The configuration of the traditional oil rig control system is generally to install a PLC in the electric control room, such as Siemens S7-300CPU. The PLC will be responsible for data communication exchange, logic processing, monitoring and other tasks. As the drilling rig system becomes more and more complex, a single PLC can no longer meet the system requirements, so a distributed system with multiple PLCs appears. As a real-time control system, PLC is different from ordinary computers in that it is real-time, stable and anti-interference to meet the harsh working environment. The ordinary computer is a non-real-time system, and its stability and anti-interference ability are much weaker than that of PLC, so it cannot be used as an industrial control. PLC has a st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/05
CPCG05B19/054G05B2219/1208
Inventor 王晓龙陈克利赵军民杨杰曹诗咏
Owner 四川中曼电气工程技术有限公司
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