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Duplex interconnection device based on standard RS-232 interface and its control method

A RS-232, control method technology, applied in the direction of instrumentation, electrical digital data processing, etc., can solve the problem of large and complex monitoring sites

Inactive Publication Date: 2008-07-16
广东省环境监测中心
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the problem of connecting multiple sets and sets of different types of instruments and equipment products from different manufacturers and computers with standard RS-232 interface, to meet the needs of modern automatic monitoring, Increasingly large and complex requirements for monitoring sites

Method used

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  • Duplex interconnection device based on standard RS-232 interface and its control method
  • Duplex interconnection device based on standard RS-232 interface and its control method
  • Duplex interconnection device based on standard RS-232 interface and its control method

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Embodiment Construction

[0017] As shown in Figure 2, the multi-channel interconnection device based on the standard RS-232 interface of the present invention includes an RS-232 sending / receiving bus, a bus driver connected thereto, and a computer control device and instrumentation equipment (1 ~N) a bus access device, the computer control equipment and instruments are connected to the RS-232 sending / receiving bus through the bus access device. The bus connector is provided with at least one RS-232 interface for connecting computer control equipment or instrument equipment. The RS-232 interface of the bus access device is connected with the RS-232 sending / receiving bus through the bus access circuit. The RS-232 interface is connected to the RS-232 send / receive bus through the circuit plug-in. Multiple instruments and equipment are connected to the RS-232 sending / receiving bus through the bus connector, and the instruments and equipment are connected in parallel with each other.

[0018] The circuit ...

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Abstract

The invention discloses a multi-access interconnection device based on the standard RS-232 interface and the control method thereof. The multi-access interconnection device comprises an RS-232 sending / receiving bus and a bus driver as well as a bus connector used to be connected with computer controlled equipment and instrument equipment; the computer controlled equipment and the instrument equipment are connected with the RS-232 sending / receiving bus through the bus connector. The control method is that: a control instruction is sent to the RS-232 sending / receiving bus through the computer controlled equipment in a mode of sending a broadcast message, and the related instrument equipment automatically receives the control instruction, executes a task related to the control instrument, and then returns the execution result to the computer controlled equipment. The invention solves the problem that various different kinds of instrument equipment products of different manufacturers adopt the connection of the standard RS-232 interface with the computers to meet the requirements of modern automatic surveillance / monitoring stations being more and more huge and complicated.

Description

technical field [0001] The present invention relates to the field of computer application technology, and mainly relates to technologies such as computers, intelligent equipment, electronic circuits, and automatic measurement and control, in particular to a multi-channel RS-232 interface used in an intensive intelligent system based on digital code communication connection. Interconnected device and control method thereof. Background technique [0002] Modern monitoring and monitoring systems, such as monitoring systems used in environmental protection, hydrology, meteorology, security and other departments, and its various automatic operation stations assembled on site are all constructed in the form of computer-intensive intelligence. That is: through the digital code communication interface of the computer to connect each instrument and equipment in the site, using the superior conditions and efficiency of the computer in realizing artificial intelligence and automatic co...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F13/40
Inventor 向运荣师建中秦子彬黎如昊
Owner 广东省环境监测中心
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