GB/T 19582.1-2008
Modbus industrial automation network specification.Part 1:Modbus application protocol (English Version)

Standard No.

GB/T 19582.1-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 19582.1-2008

Replace

GB/Z 19582.1-2004

Scope

Modbus is a layer 7 messaging protocol of the OSI model that provides client/server communication between devices connected to different types of buses or networks, see Figure 1 Since 1979, Modbus has been the de facto standard for industrial serial links , Modbus enables thousands of automation devices to communicate. Currently, support for the simple and elegant Modbus structure is still growing. Internet users can access Modbus using reserved system port 502 on the YCP/IP stack. Modbus is a request/response protocol and provides defined services. Modbus function codes are elements of the Modbus request/reply PDU. This section describes the function codes used within the framework of Modbus transactions. The Modbus application layer messaging protocol is used for client/server communication between devices connected by different types of buses or networks. At present, Modbus communication is realized through the following methods: - TCP/IP on Ethernet, see GB/T 19582.3 - Various media (wired: EIA/TIA-232-E, EIA-422, EIA/TIA-485-A; optical fiber , wireless, etc.)—Modbus+, a high-speed token-passing network

GB/T 19582.1-2008 Referenced Document

• GB/T 15969.1 Programmable controllers.Part1:General information
• GB/T 15969.2 Programmable controllers.Part 2:Equipment requirements and tests*， 2008-06-30 Update
• GB/T 15969.3 Programmable controllers—Part 3: Programming languages*， 2017-07-12 Update
• GB/T 15969.4 Programmable controllers Part 4:User guidelines
• GB/T 15969.5 Programmable controllers-Part 5: Communications
• GB/T 15969.6 Programmable controllers.Part 6:Functional safety*， 2015-12-10 Update
• GB/T 15969.7 Programmable controllers.Part 7:Fuzzy control programming*， 2008-06-30 Update
• GB/T 15969.8 Programmable controllers Part 8: Guidelines for the application and implementation of programming languages
• GB/T 15969.9 Programmable controllers—Part 9: Single-drop digital communication interface for small sensors and actuators (SDCI)*， 2021-08-20 Update
• RFC 791 Internet Protocol DARPA Internet Program Protocol Specification (Part of Std 5)

GB/T 19582.1-2008 history

• 2008 GB/T 19582.1-2008 Modbus industrial automation network specification.Part 1:Modbus application protocol
• 2004 GB/Z 19582.1-2004 Modbus Industrial automation network specification Part 1:Modbus application protocol

GB/T 19582.1-2008 Modbus industrial automation network specification.Part 1:Modbus application protocol has been changed from GB/Z 19582.1-2004 Modbus Industrial automation network specification Part 1:Modbus application protocol.

GB/T 19582.1-2008 -All Parts