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GB/T 29001.2-2012 English PDF

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US$399.00 · In stock
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GB/T 29001.2-2012: Numerical control system of machine tool -- Protocol specifications for NCUC-Bus fieldbus -- Part 2: Physical layer
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 29001.2-2012	399	Add to Cart	3 days	Numerical control system of machine tool -- Protocol specifications for NCUC-Bus fieldbus -- Part 2: Physical layer	Valid

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Basic data

Standard ID: GB/T 29001.2-2012 (GB/T29001.2-2012)
Description (Translated English): Numerical control system of machine tool -- Protocol specifications for NCUC-Bus fieldbus -- Part 2: Physical layer
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J50
Classification of International Standard: 25.040.20
Word Count Estimation: 17,116
Quoted Standard: GB 4208-2008; GB/T 9387.1-1998; GB/T 11014-1989; GB/T 18015.1-2007; GB/T 29001.1-2012; ANSI/TIA/EIA 568-B; IEEE STD 802.3-2005; IEEE STD 1394A-2000; USB SPECIFICATION REVISION 2.0
Regulation (derived from): National Standards Bulletin No. 41 of 2012
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
Summary: This standard specifies the NCUC-Bus physical layer requirements, but provides media and network configuration requirements. This section applies to CNC system. Other uses of the NC system can refer to this section.

GB/T 29001.2-2012: Numerical control system of machine tool -- Protocol specifications for NCUC-Bus fieldbus -- Part 2: Physical layer

---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.
Numerical control system of machine tool Protocol specifications for NCUC-Bus fieldbus Part 2. Physical layer ICS 25.040.20 J50 National Standards of People's Republic of China CNC machine tools NCUC-Bus Fieldbus protocol specification Part 2. Physical Layer Part 2. Physicallayer Issued on. 2012-12-31 2013-07-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Introduction Ⅲ Introduction Ⅳ 1 Scope 1 2 Normative references 1 3 Terms and definitions, abbreviations 1 3.1 Terms and definitions 3.2 Acronyms 5 4 Overview 5 5 Architecture 6 6 physical topology 6 6.1 Overview 6 6.2 annular structure 7 6.3 Single-linear structure 8 6.4 pairs of linear structure 8 Mechanical properties 7 8 7.1 Overview 8 7.2 connection terminals 9 7.3 communication cable 9 10 7.4 Status Indicator 8 Electrical Characteristics 10 10 9 procedural characteristics 10 identifies 10 Appendix A (informative) connected to terminal 11

Foreword

GB/T 29001 "CNC system NCUC-Bus Fieldbus protocol specification" is divided into the following sections. --- GB/T 29001.1 General; --- GB/T 29001.2 physical layer; --- GB/T 29001.3 data link layer; --- GB/T 29001.4 application layer; --- GB/T 29001.5 test; --- GB/T 29001.6 security; This section GB/T 29001 Part 2. This section drafted in accordance with GB/T 1.1-2009 given rules. This part is proposed by China Machinery Industry Federation. This part of CNC machine tools by the National Technical Committee of Standardization System (SAC/TC367) centralized. This section is drafted. Shenyang high-precision CNC Technology Co., Ltd., Guangzhou NC Equipment Co., Ltd., Dalian Koyo Technology Engineering Co. Division, Wuhan Huazhong Numerical Control Co., Ltd., Zhejiang Electric Technology Co., Ltd. Control. The main drafters of this section. Yang Dongsheng, Hu Yi, SONG Bao, Tang Xiaoqi, Jin Jian, Chen Hu, Wang Sheng-wen, He Yingwu, Zhang Yujie, Mo Yuan Jin, Hu Concord, FENG Dong-qin and so on.

Introduction

0.1 Overview CNC system NCUC-Bus Fieldbus (NCUnionofChinaFieldBus, NC Union bus system, referred NCUC-Bus) communications protocol specification is used for CNC machine tools and industrial automation and control process and the development of this protocol specification in conjunction with near Years, the structure and function of science and technology and the development of CNC machine tools demand for data communication has been described in detail, and provides a number of tools NCUC-Bus control system fieldbus basic data types and data transmission. CNC system NCUC-Bus Fieldbus according to GB/T 9387.1-1998 defines a "three-tier" reference model (physical layer, the number of Data link layer and application layer), interconnection reference model is a series of standardized regional breakdown of the level specification, each with range management. This section GB/T 29001 is CNC system NCUC-Bus Fieldbus protocol specification of the physical layer, this portion of the reference model Part of the standard series defined in other parts related. CNC System 0.2 Overview of the fieldbus physical layer CNC system NCUC-Bus Fieldbus is a digital, serial data bus network, CNC system for each group As part of the interconnect traffic. This section describes the physical layer, the data link layer data units between a physical entity providing the transparent connection through Transmission. Figure 1 depicts the CNC system NCUC-Bus fieldbus physical layer and the data link layer and system management of NCUC-Bus The relationship between applications. Relationship between Physical Layer Figure 1 NCUC-Bus and the other between the layers CNC system NCUC-Bus fieldbus physical layer mainly provides the physical connection setup and teardown, the bit stream, and management, with Shihai provides for various physical properties NCUC-Bus interface has the following characteristics. a) compatible with Ethernet; b) support linear and ring network; c) communication rates up to 100Mbit/s; d) the number of devices attached up to 255; e) a balanced approach to support five/ultra-five twisted pair and fiber optic transmission. CNC machine tools NCUC-Bus Fieldbus protocol specification Part 2. Physical Layer

1 Scope

GB/T 29001 specifies the CNC system NCUC-Bus Fieldbus (hereinafter referred to as NCUC-Bus) and basic data types Data transmission, communication protocols established NCUC-Bus for CNC machine tools and industrial automation and control processes prescribed specification. This section GB/T 29001 specifies the requirements for NCUC-Bus physical layer, and specifies the requirements for media and network configuration. This section applies to CNC machine tools. Other uses of the NC system can refer to this section. Note 1. The first layer is consistent NCUC-Bus physical layer and GB/T 9387.1-1998 defined seven-layer model of ISO /OSI's. Note 2. The media and network configuration requirements NCUC-Bus prescribed to ensure, prior to the data link layer error checking of data integrity and physical layer device Interoperability between.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein Member. For undated references, the latest edition (including any amendments) applies to this document. GB 4208-2008 housing protection (IP Code) (IEC 60529.2001, IDT) GB/T 9387.1-1998 Information technology - Open Systems Interconnection - Basic Reference Model - Part 1. Basic model (idt ISO / IEC 7498-1.1994) Electrical characteristics GB/T 11014-1989 balanced voltage digital interface circuits GB/T 18015.1-2007 digital communications quad Multicore and symmetrical cables Part 1. Generic specification (IEC 61156-1. 2002, IDT) GB/T 29001.1-2012 CNC system NCUC-Bus Fieldbus protocol specification - Part 1. General ANSI/T IA/EIA568-B Commercial Building Telecommunications Cabling Standard (Commercialbuildingtelecommunications cablingstandard) Inter IEEEStd802.3-2005 IT system communication and information exchange between LAN and MAN special requirements of Part 3 Score. with collision detection Carrier Sense Multiple Access from (CSMA/CD) access method and physical layer specifications (Informationtechnology-Tele- communicationsandinformationexchangebetweensystems-Localandmetropolitanareanetworks-Specific requirements-Part 3. Carriersensemultipleaccesswithcolisiondetection (CSMA/CD) accessmethodand physicallayerspecifications) IEEEStd1394a-2000 High Performance Serial Bus IEEE Standard - 1st revision (IEEEstandardforahigh perormanceserialbus-Amendment1) USBSpecificationRevision2.0 USB Universal Serial Bus Specification 2.0 Specification (Universalserialbusspecifica- tionrevision2.0) 3 Terms and definitions, abbreviations 3.1 Terms and Definitions GB/T 29001.1 defined and the following terms and definitions apply to this document. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 29001.2-2012_English be delivered?

Answer: Upon your order, we will start to translate GB/T 29001.2-2012_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 29001.2-2012_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 29001.2-2012_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.