Data collection system and method based on intelligent instrument
A technology of data acquisition system and intelligent instrument, applied in transmission systems, electrical components, etc., can solve the problems of high cost, waste of resources, and high computer performance, achieve high commercial value, reduce costs, and enhance real-time and high-efficiency. Effect
Inactive Publication Date: 2013-11-20
JIGANG GRP
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However, the current SCADA monitoring software can only collect and monitor data for most PLC or DCS systems. If the communication protocol and data transmission protocol used by the various testing instruments are inconsistent, it is necessary to program each testing instrument separately and design different SCADA-Driver monitoring driver software, resulting in waste of resources, and the SCADA monitoring software requires high computer performance. ,the cost is too high
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[0050] In order to clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific implementation modes and in conjunction with the accompanying drawings.
[0051] Such as figure 1 As shown, a kind of data collection system based on intelligent instrument of the present invention includes several intelligent instruments such as intelligent detection instrument and intelligent digital display instrument with RS485 interface or RS232 interface, also includes RTU terminal, communication unit, communication network and SCADA system , the smart meter includes a smart meter with a standard communication protocol and a smart meter with a non-standard communication protocol, the RTU terminal includes a standard communication protocol data collection port and a non-standard communication protocol data collection port, the standard communication protocol data collection port The ports are respectively connected to smar...
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The invention discloses a data collection system and method based on an intelligent instrument. The system comprises a plurality of intelligent instruments, an RTU terminal, a communication unit, a communication network and an SCADA (supervisory control and data acquisition) system, wherein the standard communication protocol data collection port of the RTU terminal is connected with the intelligent instruments with standard communication protocols respectively through buses, and the nonstandard communication protocol data collection port of the RTU terminal is connected with the intelligent instruments with nonstandard communication protocols through buses; the communication unit is connected with the RTU terminal, and is plugged in the communication network to be connected with the SCADA system. The data collection system has the advantages that instrument data collection is performed on the different instruments with different instrument protocols according to the method that intelligent instrument communication protocols analyze the collected intelligent instrument data through the RS 485 and RS 232 buses; data collection and monitoring performed on the operation equipment in the site is realized through the access to intelligent instruments with different communication protocols and data transmission protocols.
Description
technical field [0001] The invention relates to the technical field of instrument data acquisition, in particular to a data acquisition system and method based on an intelligent instrument. Background technique [0002] With the development of information technology and network technology, the application of instruments has penetrated into various fields. Today, with the vigorous development of industrial automation control, production line management, and enterprise management informatization, there are many types of detection instruments (detection of liquid level, temperature, pressure, flow, material level, humidity, density, etc.), and the communication protocols in various instruments Also vary. Especially in metallurgy, chemical industry, thermal power, municipal and other industries, they are faced with centralized management, scheduling, cost accounting tasks of many production lines, as well as various transformational and developmental construction tasks, involvi...
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IPC IPC(8): H04L29/06
Inventor 苗青姬厚华范者峰崔雪梅闫素杰刘春荣刘艳波徐继红
Owner JIGANG GRP