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GB/T 27745-2011Communication specification for low-voltage electrical apparatus (English PDF)

低压电器通信规范

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Issued by

SAMR; SAC

Level / Type

National · Recommended

Issue date

December 30, 2011

Implementation date

May 1, 2012

Scope

GB/T 27745-2011 is the English-translated version of 低压电器通信规范.

GB/T 27745-2011 is the Chinese standard "Communication specification for low-voltage electrical apparatus". Its scope clause reads: This standard specifies the low-voltage electrical communication specification.

This standard specifies the communicable low-voltage electrical data communications parameter table related instructions And testing requirements. This standard applies to low-voltage electrical appliances having a communication function.

Adoption of this standard can be used to achieve low-voltage electrical group through the communication adapter In Modbus, DeviceNet, Profibus-DP, EtherNet/IP and other communication protocols to communicate data transmission. Its clauses include terms and definitions, code.

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Document preview — GB/T 27745-2011

National Standard of the People's Republic of China

ICS: 29.120.99
Classification: K 30

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

1 Scope
2 Normative references
3 Terms and definitions, code
4 3 Communications Decency
4.1 General
4.3 Data Communications
4.4 can communicate data interface in the form of low-voltage electrical switching
5 provisions on the use of communication adapters to connect the upper fieldbus systems
5.1 General
5.2 Conversion from Modbus DeviceNet communication adapter requirements
5.3 Conversion from Modbus Profibus-DP communication adapter mode requirements
6.1 General
6.3 interoperability test similar to low-voltage electrical communication
6.4 interoperability testing can communicate low-voltage electrical
7 Test
7.1 General
7.2 connectivity and communication systems identified content of
7.3 interoperability test similar to low-voltage electrical communication
7.4 low-voltage electrical components can communicate interoperability testing
8 provisions of the relevant industry specifications and version number
9 7 industrial operation software environment
Appendix A (normative) low-voltage electrical generic data communication parameters Table
References

1 Scope

This standard specifies the low-voltage electrical communication specification. This standard specifies the communicable low-voltage electrical data communications parameter table related instructions

And testing requirements.

This standard applies to low-voltage electrical appliances having a communication function. Adoption of this standard can be used to achieve low-voltage electrical group through the communication adapter

In Modbus, DeviceNet, Profibus-DP, EtherNet/IP and other communication protocols to communicate data transmission.

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/T 12325-2008 power quality supply voltage deviation

GB/T 12326-2008 power quality voltage fluctuation and flicker

GB 14048 (all parts), low-voltage switchgear and control equipment (IEC 60947)

GB/T 14549-1993 power quality utility grid harmonic

GB/T 15543-2008 power quality three-phase voltage unbalance

GB/T 15945-2008 power quality power system frequency deviation

GB/T 18481-2001 power quality temporary over-voltage and over-voltage transients

GB/T 18858.1-2002 Low-voltage switchgear and control equipment Controllers Device Interface (CDI) - Part 1. General (IEC 62026-1.2000, IDT)

GB/T 18858.3-2002 Low-voltage switchgear and control equipment Controllers Device Interface (CDI) Part 3.

DeviceNet (IEC 62026-3.2000, IDT)

GB/T 19582.1-2008 industrial automation network specification Modbus protocol - Part 1. Modbus Application Protocol

GB/T 19582.2-2008 industrial automation network specification Modbus protocol - Part 2. Modbus protocol string

Implementation guide on the uplink

GB/T 19582.3-2008 industrial automation network specification Modbus protocol - Part 3. Modbus protocol

Implementation Guide TCP/IP on the

GB/T 21207-2007 basic principles of low-voltage switchgear and control equipment for networked industrial devices

3 Terms and definitions, code

3.1 Terms and Definitions

GB 14048, GB/T 18858.1 and GB/T 18858.3 defined and the following terms and definitions apply to this document.

3.2 Fieldbus

It is applied to a field instrumentation and control system between the control room and the whole dispersion, all-digital, intelligent, two-way, Internet, multivariable

Point, multi-station communication network.

GB/T 36277-2018 | GB/T 34130.21-2017 | GB/T 34130.1-2017 | GB/T 47637.1-2026 | GB/T 27746-2025 | GB/T 27746-2011 | […]

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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 30 pages — is available in the English PDF.

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