A short address-based mmslite development library and ied device data access method

A data access and short address technology, applied in the direction of electrical digital data processing, special data processing applications, instruments, etc., can solve the problems of inconvenient project implementation and management, consumption of device system resources, etc., to improve flexibility and versatility, and simplify data access process, enhanced versatility effect

Inactive Publication Date: 2017-05-03
JIANGSU XIDIANNANZI SMART ELECTRIC POWER EQUIP
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Problems solved by technology

However, this existing method of adding private configuration mapping files makes IEC61850 configuration methods and operation styles of different manufacturers different, which brings inconvenience to project implementation management. As a system integrator and operation and maintenance department, it is especially hoped that the configuration tools will be unified
At the same time, regularly updating MMSLite library data consumes a lot of device system resources

Method used

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  • A short address-based mmslite development library and ied device data access method

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Embodiment Construction

[0018] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific embodiments.

[0019] see figure 1 , a kind of short address-based MMSLite development storehouse and IED device data access method of the present invention, its method step is as follows:

[0020] (1) Generate a standard device SCL configuration file through the IED configuration tool, and add a custom relative address to the sAddr of the data set that the client needs to access; it is as follows:

[0021]

[0022]

[0023]

[0024] (2) The form of the short address field can be defined by each manufacturer, and the field can be parsed to access real-time data during MMSLite data access. The process in MMSLite is as follows figure 1 shown;

[0025] Call scl_server in MMSLite to start the MMS service. During the startup process, the data object model ...

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Abstract

The invention discloses an MMSLite development base and IED device data access method based on a short address. The method includes (1) utilizing an IED configuration tool to generate a standard device SCL configuration file, and adding a self-defined relative address, namely a short address field, in the sAddr of a data set to be accessed by a client; (2) analyzing the short address field to access real time data during the MMSLite data access. The method has the advantages of adopting the short address (sAddr) field defined in the SCL configuration standard to achieve mapping of MMSLite data and the device access address, utilizing a self-defined reading-writing interface function in the MMSLite base to achieve real-time data reading and writing during client access, completely utilizing the existing interface standard of the MMSLite base, adopting the simple short address coding rule to correlate the IEC61850 model data and the device real-time data, unifying the SCL configuration mode, simplifying the data access process, reducing the access period and improving the MMSLite base interface generality.

Description

technical field [0001] The invention relates to a method for retrieving and inquiring real-time data between the IEC61850 communication component MMSLite and equipment, without adding private configuration files, and improving the flexibility and universality of the MMSLite interface. Background technique [0002] The IEC61850 standard is the only substation network communication standard based on a network communication platform in the world, and is the basis of relevant standards for smart substations in my country's electric power industry. This standard clearly divides the substation system into substation layer, bay layer and process layer, and defines a clear interface between different layers. An abstract model on the application layer is established through Abstract Communication Service Interface (ACSI for short), which describes the data exchange between interfaces and gives a unified logical model of various objects. The standard has completely changed the data c...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/30
CPCG06F16/252
Inventor 郑小军任广宇林俊
Owner JIANGSU XIDIANNANZI SMART ELECTRIC POWER EQUIP
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