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Access method and access system of Modbus equipment

An access method and access system technology, which is applied to the access method and system field of Modbus equipment, can solve the problems of complex code maintenance and heavy development workload, and achieve the effects of convenient deployment, simplified access work, and avoiding loopholes

Active Publication Date: 2013-06-05
VERTIV CORP
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Problems solved by technology

[0004] The main purpose of the present invention is to provide a method for accessing Modbus equipment, aiming to solve the technical problems of heavy development workload and complex code maintenance in the prior art

Method used

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  • Access method and access system of Modbus equipment
  • Access method and access system of Modbus equipment
  • Access method and access system of Modbus equipment

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Embodiment Construction

[0037] It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0038] refer to figure 1 , in the embodiment of the present invention, the access method of Modbus equipment comprises the following steps:

[0039] Step S10, preset a configuration file containing data configuration information and protocol configuration information; specifically, the configuration file can be preset and saved by engineering personnel, and the protocol configuration information is used to define the communication method, for example, what kind of The data frame format is used for data interaction; the data configuration information is used to define the specific meaning of the data in the data frame. The data configuration information may exist in the form of a data table, which may specifically include a grouping information table, a data table describing collection functions, a data table describi...

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Abstract

The invention relates to an access method of Modbus equipment. The access method comprises the following steps that configuration files comprising data configuration information and protocol configuration information are preset; an intelligent equipment gathering dynamic library reads and analyzes the configuration files, and the data configuration information obtained through analysis of the configuration files is stored in internal variables of the intelligent equipment gathering dynamic library; and when the Modbus equipment is accessed, the data configuration information is extracted from the internal variables of the intelligent equipment gathering dynamic library according to operation commands to communicate with the Modbus equipment. The invention further provides an access system of the Modbus equipment. The access method and the access system of the Modbus equipment can reduce development workload, and reduce complexity of code maintenance.

Description

technical field [0001] The invention relates to the field of power environment monitoring, in particular to a Modbus device access method and system. Background technique [0002] A basic function of power environment monitoring is to access various smart devices in a protocol manner and implement management functions on this basis. The Modbus protocol is a device access protocol widely used in the industrial field, and access to devices based on the Modbus protocol has also become a common requirement for power environment monitoring systems. [0003] The current mainstream method is to develop a collection dynamic library for each specific device, implement Modbus protocol analysis through this dynamic library, and send the analyzed data to the upper system through the internal interface of the monitoring system. This method requires the development of a dynamic library for each device, which requires a large development workload and complicated code maintenance. Conten...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/28H04L29/06
Inventor 林涛段吉泉袁珍珍林奕广
Owner VERTIV CORP
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