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GB/T 38687-2020Rubber and plastics machinery—Communicating protocol for auxiliary equipment (English PDF)

橡胶塑料机械外围设备通信协议

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

March 31, 2020

Implementation date

February 1, 2021

Scope

GB/T 38687-2020 is the English-translated version of 橡胶塑料机械外围设备通信协议.

GB/T 38687-2020 is the Chinese standard "Rubber and plastics machinery—Communicating protocol for auxiliary equipment".

Its scope clause reads: This standard specifies the background summary of the communication protocol for the peripheral equipment of rubber and plastic machinery, the general description of the CAN/CANopen communication protocol, CANopen device communication address definition, CANopen peripheral auxiliary device custom sub-protocol, Modbus protocol general description, Modbus Communication address and communication variable definition.

This standard is applicable to the processing of molding host equipment (such as injection molding machines and extruders) commonly used in rubber and plastic machinery and auxiliary host machines to complete processing Communication protocol for data exchange between peripheral auxiliary equipment of the process (such as dryer, mold temperature machine, chiller, feeder, etc.). Its clauses include terms, definitions and abbreviations.

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Document preview — GB/T 38687-2020

National Standard of the People's Republic of China

ICS: 71.120
Classification: G 95

Issued by: State Administration for Market Regulation; Standardization Administration of the PRC

Foreword
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 General description of CAN/CANopen communication protocol
4.1 Overview
4.2 Physical layer
4.3 CANopen device structure
4.4 CANopen communication protocol
4.5 CANopen device profile
4.6 Manufacturer-defined sub-protocol
5 CANopen device communication address definition
5.1 Overview
5.2 LSSMaster equipment
5.3 LSSSlave interface
5.4 Peripheral auxiliary equipment address specification
6 CANopen peripheral auxiliary equipment custom sub-protocol
6.1 Overview
6.2 Dryer
6.3 Mold temperature machine
6.4 Chiller
6.5 Feeding machine
7 General description of Modbus protocol
7.1 Overview
7.2 General description
8 Definition of Modbus communication address and communication variables
8.1 Peripheral auxiliary equipment address specification
8.2 Data Address Specification

1 Scope

This standard specifies the background summary of the communication protocol for the peripheral equipment of rubber and plastic machinery, the general description of the CAN/CANopen communication protocol,

CANopen device communication address definition, CANopen peripheral auxiliary device custom sub-protocol, Modbus protocol general description, Modbus

Communication address and communication variable definition.

Communication protocol for data exchange between peripheral auxiliary equipment of the process (such as dryer, mold temperature machine, chiller, feeder, etc.).

2 Normative references

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

Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.

GB/T 19582.1 Industrial Automation Network Specification Based on Modbus Protocol Part 1. Modbus Application Protocol

GB/T 19582.2-2008 Industrial Automation Network Specification Based on Modbus Protocol Part 2. Modbus Protocol in Serial

Implementation Guide on the Link

GB/T 36587 Rubber and plastic machinery terminology

ISO 11898-2 Road Vehicle Controller Area Network (CAN) Part 2. High-speed media access unit [Roadvehicles-

Controlerareanetwork (CAN) -Part 2. High-speedmediumaccessunit]

3 Terms, definitions and abbreviations

3.1 Terms and definitions

The terms and definitions defined in GB/T 19582.1, GB/T 19582.2-2008 and GB/T 36587 and the following apply to this document.

3.1.1 Peripheral auxiliary equipment auxiliarydevice; AU_D

Equipment that assists the host to complete the processing process (such as dryer, mold temperature machine, chiller, feeder, etc.).

3.1.2 Host device masterdevice; MA_D

General molding equipment for rubber and plastic machinery (such as injection molding machine, extruder, etc.).

3.1.3 Low-level setting service layersettingservices; LSS

Provides the function of querying and changing the underlying parameters of the CANopen module.

3.1.4 Layer management;

A CAL mode for querying and changing parameter settings.

3.1.5 Network management; network management; NMT

Application layer services for configuring, initializing, and handling network errors in CAN networks.

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 33 pages — is available in the English PDF.

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