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GB/T 33863.8-2017 English PDF

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US$344.00 · In stock
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GB/T 33863.8-2017: OPC unified architecture -- Part 8: Data access
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 33863.8-2017	344	Add to Cart	3 days	OPC unified architecture -- Part 8: Data access	Valid

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GB/T 33009.1 GB/T 33008.1 GB/T 33009.2 GB/T 33863.13 GB/T 33863.9 GB/T 33863.11

Basic data

Standard ID: GB/T 33863.8-2017 (GB/T33863.8-2017)
Description (Translated English): OPC unified architecture -- Part 8: Data access
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: N10
Classification of International Standard: 25.040
Word Count Estimation: 18,166
Date of Issue: 2017-07-12
Date of Implementation: 2018-02-01
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 33863.8-2017: OPC unified architecture -- Part 8: Data access

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
OPC unified architecture - Part 8. Data access ICS 25.040 N10 National Standards of People's Republic of China OPC Unified Architecture Part 8. Data Access (IEC 62541-8..2011, IDT) 2017-07-12 released 2018-02-01 Implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface III Introduction IV 1 Scope 1 2 normative reference document 1 3 terminology, definition, abbreviation 1 3.1 Terms and definitions 1 3.2 Abbreviations 2 4 Concept 2 5 model 3 5.1 Overview 3 5.2 Variable Type 3 5.2.1 DataItemType 3 5.2.2 AnalogItemType 4 5.2.3 DiscreteItemType 5 5.3 Address Space Model 7 5.4 Attributes of data items 7 5.5 Characteristic Data Type 8 5.5.1 Overview 8 5.5.2 Scope 8 5.5.3 EUInformation 8 6 Service Data Access Specific Usage 9 6.1 Overview 9 6.2 PercentDeadband 9 6.3 Data access status code 9 6.3.1 Overview 9 6.3.2 Operation Level Result Code 9 6.3.3 LimitBits 11 6.3.4 SemanticsChanged 11 Figure 1 OPC data items linked to automated data Figure 2 Data item Data type Hierarchy 3 Figure 3 Representation of data items in address space 7 Table 1 DataItemType definitions 3 Table 2 AnalogItemType definitions 4 Table 3 DiscreteItemType definition 5 Table 4 TwoStateDiscreteType definitions 5 Table 5 MultiStateDiscreteType definition 6 Table 6 Scope Data Type Structure 8 Table 7 Scope definition 8 Table 8 EUInformation data type structure 8 Table 9 EUInformation definitions 9 Table 10 BAD Data Quality Operation Level Result Code 10 Table 11 UNCERTAIN Data Quality Operation Level Result Code 10 Table 12 Operational level of GOOD data quality Result code 11

Foreword

GB/T 33863 "OPC unified architecture" is divided into the following 13 parts. - Part 1. Overview and concepts; - Part 2. Safety model; Part 3. Address space model; - Part 4. Services; - Part 5. Information model; - Part 6. Mapping; - Part 7. Regulations; - Part 8. Data access; - Part 9. Alerts and conditions; - Part 10. Procedures; - Part 11. Historical visit; - Part 12. Discovery; Part 13. Aggregation. This part is part 8 of GB/T 33863. This part is drafted in accordance with the rules given in GB/T 1.1-2009. This part uses the translation method equivalent to IEC 62541-8..2011 "OPC Unified Architecture Part 8. Data Access". This part is made by the China Machinery Industry Federation. This part is headed by the National Industrial Process Measurement Control and Automation Standardization Technical Committee (SAC/TC124). This part of the drafting unit. Machinery Industry Instrument Integrated Technology and Economic Research Institute, Chongqing Sichuan Instrument Automation Co., Ltd., Shanghai from Dynamic Instrument Co., Ltd., Beijing three-dimensional force control Technology Co., Ltd., Southwest University, China Tobacco Corporation staff training college. This part of the main drafters. Wang Chengcheng, Ding Yan, Wang Deji, Wang Chunxi, Yao Jie, Zhang Qingjun, Liu Feng, Zhang Chunting, Yan Xiaofeng, Zhao Yan collar.

Introduction

This section provides specifications for OPC Unified Architecture application developers. This standard gives the analysis and design for the development of standard interfaces The standard interface speeds up the application development done by multiple vendors and enables seamless connectivity of internal operations. OPC Unified Architecture Part 8. Data Access

1 Scope

This part of GB/T 33863 is part of the overall OPC Unified Architecture (OPCUA) family of standards that defines data access (DA) related information model. It specifically includes data access, additional features and other information and behavior required for node class and attribute variables Type and additional description. The complete address space model, including all node classes and attributes, is specified in GB/T 33863.3. Detect services and access data Specified in GB/T 33863.4.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. IEC /T R62541-1 OPC Unified Architecture Part 1. Overview and Concepts (OPCunfiedarchitecture-Part 1. Overviewandconcepts) IEC 62541-3 OPC Unified Architecture Part 3. Address Space Model (OPCunifiedarchitecture-Part 3. AddressSpacemodel) IEC 62541-4 OPC Unified Architecture Part 4. Services (OPCunifiedarchitecture-Part 4. Services) IEC 62541-5 OPC Unified Architecture Part 5. Information Model (OPCunifiedarchitecture-Part 5. Informationmodel) 3 terms, definitions, abbreviations 3.1 Terms and definitions The following definitions and definitions as defined in IEC /T R62541-1, IEC 62541-3 and IEC 62541-4 apply to this document. 3.1.1 Data item dataItem Link to any, real-time automated data, that is, data representing the current valid information. Note. These data are for example. --- device data (eg temperature sensor); ---calculate data; --- status information (open/close, move); - Dynamic change system data (eg stock quotes); --- Diagnostic data. 3.1.2 Analog item analogItem Represents a data item that continuously changes the physical quantity. Note. Typical examples are temperature sensor and pressure sensor values. OPCUA defines a specific data type to identify the simulation item. Attribute description The possible range of simulation items. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 33863.8-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 33863.8-2017_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 33863.8-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 33863.8-2017_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.