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GB/T 19582.2-2008 English PDF

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GB/T 19582.2-2008: Modbus industrial automation network specification -- Part 2: Modbus protocol implementation guide over serial link
Status: Valid

Standard ID	Contents [version]	USD	STEP2	[PDF] delivered in	Standard Title (Description)	Status	PDF
GB/T 19582.2-2008	English	839	Add to Cart	6 days [Need to translate]	Modbus industrial automation network specification -- Part 2: Modbus protocol implementation guide over serial link	Valid	GB/T 19582.2-2008

PDF similar to GB/T 19582.2-2008

Standard similar to GB/T 19582.2-2008

GB/T 20438.3 GB/T 20438.4 GB/T 20438.2 GB/T 20965 GB/T 41771.6 GB/T 19582.1

Basic data

Standard ID	GB/T 19582.2-2008 (GB/T19582.2-2008)
Description (Translated English)	Modbus industrial automation network specification -- Part 2: Modbus protocol implementation guide over serial link
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	N10
Classification of International Standard	25.040
Word Count Estimation	38,369
Date of Issue	2008-02-27
Date of Implementation	2008-09-01
Older Standard (superseded by this standard)	GB/Z 19582.2-2004
Regulation (derived from)	Announcement of Newly Approved National Standards No. 3 of 2008 (No. 116 overall)
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 serial link Modbus protocol, so that the system designer to achieve based on the serial link Modbus protocol is used. This section will promote the use of Modbus protocol interoperability between devices. This section is for GB/T 19582. 1-2008 supplement, specifically Figure 1. Defined in Chapter 9 of the "Modbus serial link " different implementations levels. Level requirement is to belong to a certain level and equipment must comply with all the requirements.

GB/T 19582.2-2008: Modbus industrial automation network specification -- Part 2: Modbus protocol implementation guide over serial link

---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.
Modbus industrial automation network specification Part 2. Modbus protocol implementation guide over serial link ICS 25.040 N10 National Standards of People's Republic of China Replacing GB /Z19582.2-2004 Implementation Guide Posted 2008-02-27 2008-09-01 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 Protocol Overview 1 2 3 convention 2 Consistency 2 4 5 terms and abbreviations 2 6 Modbus Data Link Layer 3 6.1 Modbus master/slave protocol Principle 3 6.2 Modbus Addressing Rules 4 6.3 Modbus Frame Description 4 6.4 master/slave state of FIG. 5 6.5 Dual Serial transfer mode 7 6.6 error checking method 12 7 Physical Layer 13 7.1 Introduction 13 7.2 Data signaling rate 13 7.3 electrical interface 13 More than 7.4 points system requirements 18 7.5 mechanical interface 19 7.6 cable 21 7.7 visual diagnosis 21 8 Installation and Documentation 22 8.1 Installation 22 8.2 User Guide 22 9 achieve Level 23 Appendix A (informative) serial link diagnosis counters managed 24 Appendix B (Informative Appendix) LRC/CRC generator 27 References 33

Foreword

"Based Industrial Automation Network Specification Modbus Protocol" is divided into three parts. --- The first part 1. Modbus application protocol; Part --- Article 2. Modbus protocol on serial link implementation guide; Part --- Section 3. Modbus protocol implementation guide over TCP/IP on. Part 1 describes the Modbus transaction; Part 2 provides information to help developers implement Modbus serial link should Reference information layer; Part 3 provides information to help developers implement Modbus application layer in TCP/IP on the reference information. GB/T 19582-2008 include Modbus application layer protocols and service standards two communication protocols used. --- Modbus serial link Modbus serial link based on TIA/EIA Standard. 232-E and 485-A. --- TCP Modbus IP on / ModbusTCP/IP IETF standard. RFC793 and RFC791. Modbus serial link and TCP/IP is based on two communication protocols corresponding ISO layered model descriptions. The following figure stressed that The GB/T 19582-2008 main part of. Dark boxes represent standard, light-colored boxes represent existing international standards (TIA/EIA and IETF standard). This section /Z19582.2-2004;GB /Z19582.2-2004 and be abolished on that day from the date of implementation of substitute GB . This part of the Annex A, Annex B is informative appendix. This part is proposed by China Machinery Industry Federation. This part of the measurement and control of Standardization Technical Committee of the Fourth Technical Committee under the jurisdiction of the national industrial processes. This section is drafted. Machinery Industrial Instrumentation Technology and Economy Institute, Southwest University, Shanghai Automation Instrumentation Company Limited Division, Beijing Institute of modern communications Jiaotong University, Beijing Institute of Machinery Industry Automation, National Relay Quality Supervision and Inspection Center, China IV Union Instrument Group Co., Ltd., CNOOC Research Center, Northwestern University, Schneider Electric (China) Investment Co., Ltd. The main drafters of this section. Wang Yumin, Liu Xiaojing, Liu Feng, including Wei-hua, SUN Xin, Liu M, Tang Jiyang, HE Chun, Liu Yu new, Xu Weihua, Ouyang Jinsong, where the Red Army, China , Wang Yong. GB /Z19582.2 first release time of September 21, 2004, this part of the first amendment.

Introduction

GB/T 19582-2008 is a revision of GB /Z19582-2004 "Based on Modbus industrial automation network protocol norms", Revision is based on IEC 61158CPF15 (FDIS) -2006 real-time Ethernet Modbus-RTPS. This part of the structure and GB /Z19582.2-2004 basically the same, but the technical content of the GB /Z19582.2-2004 supplemented and improved. Implementation Guide

1 Scope

Modbus is an application layer packet transmission protocol OSI 7 layer model, in which different types of devices connected to the bus or network Room offers client/server communications. And one or more slaves between It will also standardized protocol serial link, so a master Exchange Modbus request. The objective of this section is to provide Modbus protocol on serial link, so that the system designer to achieve Modb- based serial link Us use protocol. This section will promote the use of Modbus protocol interoperability between devices. This section is for GB/T 19582.1-2008 supplement specifically Figure 1. In Chapter 9 defines "Modbus serial link" different implementation levels. Level requirement is capable of equipment belonging to a certain level and You must comply with all the requirements.

2 Protocol Overview

This section describes the Modbus protocol serial link. Modbus serial link protocol is a master - slave protocol. The agreement is located Layer 2 OSI model. Master - slave type system has a master node (master), it issues an explicit command to the slave node (slave) and handle the response. Slaves In the absence of receipt of request from the master station is not actively transmitting data, do not communicate with other slaves. At the physical layer, Modbus serial link system can be used on different physical interfaces (RS485, RS232). The most common physical Interface is the TIA/EIA-485 (RS485) two-wire interface. As an additional option, you can also use the physical interface RS485 four-wire connection mouth. When only close P2P communication, you can also use the TIA/EIA-232-E (RS232) serial interface as Modbus system Physical interface system (see Chapter 7).

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