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Remote terminal unit

A technology of remote measurement and control terminal and co-processor, applied in the direction of electrical program control, comprehensive factory control, comprehensive factory control, etc., can solve problems such as not being able to adapt to new requirements

Inactive Publication Date: 2011-06-15
GUANGDONG FORCON ENG TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing remote measurement and control terminals can no longer meet the new requirements, and it is urgent to develop new products

Method used

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Embodiment Construction

[0020] In order to facilitate the understanding of those skilled in the art, the structural principle of the present invention will be further described in detail below in conjunction with specific embodiments and accompanying drawings:

[0021] like figure 1 As shown, a remote measurement and control terminal, which includes a main processor and a co-processor connected with the main processor, the main processor and FM wireless communication interface, GPRS communication interface, GSM communication interface, CDMA communication interface and Ethernet The co-processor is connected with the analog quantity acquisition circuit, the switch quantity input / output circuit and the pulse quantity input / output circuit respectively.

[0022] Among the present invention, main processor adopts the microprocessor of ARM9 core, and model is AT91RM9200. Described coprocessor also adopts the microprocessor of ARM9 kernel, and model is AT91RM9200.

[0023] like figure 2 As shown, the ana...

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Abstract

The invention discloses a remote terminal unit. The remote terminal unit comprises a main processor and a coprocessor which is connected with the main processor, wherein the main processor is connected with a frequency modulation (FM) wireless communication interface, a general packet radio service (GPRS) communication interface, a global system for mobile communications (GSM) communication interface, a code division multiple access (CDMA) communication interface and an Ethernet interface; and the coprocessor is connected with an analogue quantity acquisition circuit, a switching value input / output circuit and a pulse value input / output circuit respectively. The remote terminal unit has the advantages of accurate and timely data acquisition, high processing capability and multiple communication mode options.

Description

technical field [0001] The invention relates to a controller, in particular to a remote measurement and control terminal. Background technique [0002] With the acceleration of the informatization and modernization of my country's hydrological data collection system, the types of data to be collected have increased, and the number of stations has increased, which puts forward new requirements for the speed and quality of data collection. Remote monitoring and control systems are used in the existing hydrological data monitoring and reporting systems. RTU is the abbreviation of Remote Terminal Unit, and it is the basic unit of the remote monitoring and control system (Supervisory Control And Data Acquisition, referred to as SCADA). On-site electronics used to monitor and measure sensors and devices installed at remote sites. The existing remote measurement and control terminals can no longer meet the new requirements, and it is urgent to develop new products. Contents of t...

Claims

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Application Information

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IPC IPC(8): G05B19/418
CPCY02P90/02
Inventor 朱报开林雄生漆青松金璐
Owner GUANGDONG FORCON ENG TECH
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