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Universal monitoring system collection end control system

A technology of control system and acquisition terminal, applied in the direction of general control system, control/regulation system, program control, etc., can solve the problems of high cost, poor scalability, waste of resources, etc., and achieve the goal of improving packaging capacity, avoiding waste, and reducing costs Effect

Inactive Publication Date: 2008-08-13
ZHEJIANG UNIV OF TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0003] In order to overcome the shortcomings of poor scalability, high cost, and waste of resources when improving the packaging capacity of the existing monitoring system, the present invention provides a universal monitoring system that has good scalability, reduces costs, and avoids waste when improving the packaging capacity. Acquisition terminal control system

Method used

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  • Universal monitoring system collection end control system
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  • Universal monitoring system collection end control system

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Embodiment Construction

[0036] The present invention will be further described below in conjunction with the accompanying drawings.

[0037] Referring to Figures 1 to 13, a collection terminal control system of a general monitoring system. The collection terminal is a combination of a controller and an actuator. This collection terminal can generate the required data for the actuator due to its embedded microprocessor. Complex timing or a large number of control operations. The control of the acquisition terminal by the front-end computer is much simpler than the direct control of the actuator, so the front-end computer can be freed from the work of low-level control such as generating complex timing sequences of the actuator, and control it at a higher level.

[0038] The acquisition terminal and the front-end computer are interconnected by RS485 bus technology, and can be flexibly increased or decreased with the complexity and scale of production. Avoid the use of hard PLC. When the production sca...

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Abstract

A gathering end control system for a general supervisory control system is disclosed. The gathering end is a build-in micro-processor which can generate complex time sequence needed by a performer or numerous controlling operation. If the gathering end internal FLASH has no configuration information, the gathering end waits for configuration commands from RS232; the gathering end answers with an ACK signal after obtaining the accurate configuration; the gathering end answers with a NAK signal after receiving an error configuration; if the gathering end internal FLASH has configuration information, the gathering end waits for a reconfiguration command in preset time after each startup; the gathering end woks according to the internal configuration information after the preset time; data is transferred by RS485 half-duplex with a multi-machine communication mode; normal data query is performed, output digit on-off value, alarm parameter fluctuating value, entry switch state quantity and all parameter configuration of the gathering end are set. The invention is provided with good extendibility and reduced cost, and waste is avoided when packing ability is increased.

Description

technical field [0001] The invention relates to control software of a monitoring system, in particular to a control system of an acquisition terminal. Background technique [0002] With the continuous development of the information society, monitoring systems are becoming more and more popular among manufacturers. In the existing monitoring system technology, the scalability of the back-end machine, the front-end machine and the collection end is poor. Both the front-end machine equipment and the back-end machine equipment are realized by hardware equipment, which is costly. When the production scale of the enterprise needs to increase the packaging capacity of hard PLC, it can only use a larger-capacity hard PLC control system, so that the original hard PLC Corresponding scrapping will inevitably cause a lot of waste. Contents of the invention [0003] In order to overcome the shortcomings of poor scalability, high cost, and waste of resources when improving the packagi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G05B19/048G05B19/418
CPCY02P90/02
Inventor 孟利民谢俊杰
Owner ZHEJIANG UNIV OF TECH
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