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Autoclave control system based on PLC

A control system and autoclave technology, applied in the field of PLC-based autoclave control system, can solve the problems of inability to realize computer intelligent control, low control accuracy, inconvenient use, etc., and improve system reliability and control accuracy. High and cost saving effect

Inactive Publication Date: 2013-06-12
XIAN LONGDE TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] The traditional autoclave control mostly adopts manual control, and computer intelligent control cannot be realized. The disadvantage is that the control accuracy is not high, time-consuming and labor-intensive, and it is quite inconvenient to use.

Method used

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  • Autoclave control system based on PLC

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Embodiment Construction

[0011] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0012] Referring to the accompanying drawings, a PLC-based autoclave control system includes a PLC control machine 1, a communication module 2 of the PLC control machine 1 is connected to an overtemperature and overpressure alarm 4 through an ET200M distributed IO interface 3, and the PLC control machine 1 is connected to the power supply 6 .

[0013] The PLC control machine 1 also forms a redundant ring network through the switch 5 .

[0014] The PLC control machine 1 consists of two IBM servers to form an upper redundant system. The server forms a redundant ring network through the SIEMENS SCALANCE X208 Ethernet switch to communicate with the Siemens PLC control machine; the master control machine completes the corresponding control functions and records data, and the slave machines synchronize data records in real time through redundant data links. When ...

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Abstract

The invention provides an autoclave control system based on a PLC (Programmable Logic Controller). The autoclave control system comprises a PLC controller, wherein a communication module of the PLC controller is connected with an over-temperature and overpressure alarm through an ET200M distributed type IO (Input / Output) interface; the PLC controller is connected with a power supply; one of the two PLC controllers acts as a master and the other one acts as a slave; the master PLC controller executes control programs and controls corresponding communication modules; meanwhile, data needing redundant backup are sent to the slave PLC controllers constantly; and the slave PLC controller is at a hot standby state, i.e. the slave PLC controller only receives data but not runs control programs, and simultaneously judges an operation state of the slave PLC controller. Once the master PLC controller stops working or faults happen to communication links, the slave PLC controller takes over the system control right immediately; meanwhile the master and slave positions are exchanged; and the autoclave control system has the characteristics of high automation degree and high control precision.

Description

technical field [0001] The invention relates to a PLC-based autoclave control system. Background technique [0002] The traditional autoclave control mostly adopts manual control, and computer intelligent control cannot be realized. The disadvantage is that the control accuracy is not high, time-consuming and labor-intensive, and it is quite inconvenient to use. Contents of the invention [0003] In order to overcome the deficiencies of the above-mentioned prior art, the object of the present invention is to provide a PLC-based autoclave control system, which has the characteristics of high degree of automation and high control precision. [0004] In order to achieve the above object, the technical solution adopted by the present invention is: a PLC-based autoclave control system, including a PLC control machine, the communication module of the PLC control machine is connected to the overtemperature and overpressure alarm through the ET200M distributed IO interface , The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B29C70/54B29C70/44
Inventor 李克
Owner XIAN LONGDE TECH
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