GB/T 38619-2020Industrial internet of things-Specification of structured description for data acquisition (English PDF)

1 Scope

This standard specifies the data source identification, data composition, data association relationship, data display and data collection in the industrial Internet of Things data collection.

The description method of the operation.

This standard applies to the design and development of data acquisition modules for industrial Internet of Things systems.

2 Normative references

The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article

Pieces. For undated references, the latest version (including all amendments) applies to this document.

GB/T 4754-2017 Classification of National Economic Industries

GB/T 7408-2005 Data element and exchange format information exchange date and time representation

3 Abbreviations

The following abbreviations apply to this document.

5 Data source identification

Data source identification description is the description of the basic attributes of the data source, as shown in Table 1.

Table 1 Data source identification description

The attribute name data type represents the attribute description

ID string

The unique identification of the data source, the data source ID can be named in the following ways. Industry Type_Production

Industry field_company name_data source. For industry types and industry fields, see GB/T 4754-2017,

Data source can be customized with reference to the type of data source

Name string The name of the data source

Description string Data source description

Type string

Types of data sources, various data-generating components or subsystems in the Industrial Internet of Things, such as sensors, execution

Runner, PLC, DCS, SCADA, MES system, ERP system, supply chain system

Provider string The provider of the data source

Custom string Custom data source attributes

See Appendix A for the description of the attribute elements used for description such as attribute name, data type representation, and attribute description in Table 1.

The following gives an example of data source description in JSON format.

Example. MES data source description

"DataSource".

"Name"."MES data source",

"Type"."MES",

"Version"."3.1"

In the above example, the Version system version number is a custom data source attribute.

6 Data structure

One data source can contain several data groups, one data group can contain several data, and one data contains several data

Attributes. The specific attributes of the data group and data are described as follows.

a) Data group

A data group is a data collection that logically realizes a certain function. The data type representation and description of its attributes are shown in Table 2.