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

Standard No.

GB/T 27745-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

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

Latest

GB/T 27745-2011

Scope

This standard specifies the communication specifications for low-voltage electrical appliances. This standard specifies the data communication parameter table, related instructions and testing requirements of low-voltage electrical appliances that can communicate. This standard applies to low-voltage electrical appliances with communication functions. Low-voltage electrical appliances adopting this standard can realize communication based on Modbus, DeviceNet, Profibus-DP, EtherNet/IP and other communication protocols for data transmission directly or through communication adapters.

GB/T 27745-2011 Referenced Document

• GB 14048.1 Low-voltage switchgear and controlgear.Part 1:General rules*， 2012-12-31 Update
• GB 14048.2 Low-voltage switchgear and controlgear.Part 2: Circuitm-breakers
• GB 14048.3 Low-voltage switchgear and controlgear.Part 3:Switches,disconnectors,switch-disconnectors and fuse-combination units
• GB 14048.4 Low-voltage switchgear and controlgear.Part 4-1:Contactors and motor-starters.Electromechanical contactors and motor-starters (Including motor protector)
• GB 14048.5 Low-voltage switchgear and controlgear.Part5-1: Control circuit devives and switching element.Electromechanical control circuit devices
• GB 14048.6 Low-voltage switchgear and controlgear.Part 4-2:Contactors and motor-starters.AC semiconductor motor controllers and starters(including soft-starter)
• GB 14048.7 Low-voltage switchgear and controlgear. Ancillary equipment. Section 1: Terminal blocks for copper conductors
• GB 14048.8 Low-voltage switchgear and controlgear. Ancillary equipment. Section 2: Protective conductor terminal blocks for copper conductors
• GB 14048.9 Low-voltage switchgear and controlgear.Part 6-2:Multiple function equipment.Control and protective switching devices(or equipment)(CPS)
• GB/T 12325-2008 Power quality.Deviation of supply voltage
• GB/T 12326-2008 Power Quality Voltage Fluctuations and Flicker
• GB/T 14549-1993 Quality of electric energy supply harmonics in public supply network
• GB/T 15543-2008 Power quality.Three-phase voltage unbalance
• GB/T 15945-2008 Power quality.Frequency deviation for power system
• GB/T 18481-2001 Power quality Temporary and transient overvoltages
• GB/T 18858.1-2002 Low-voltage switchgear and controlgear-Controller-device interfaces (CDIs)--Part 1:General rules
• GB/T 18858.3-2002 Low-voltage switchgear and controlgear-Controller-Device Interface(CDI)-Part 3: Device Net
• GB/T 19582.1-2008 Modbus industrial automation network specification.Part 1:Modbus application protocol
• GB/T 19582.2-2008 Modbus industral automation network specification.Part 2:Modbus protocol implementation guide over serial link
• GB/T 19582.3-2008 Modbus industrial automation network specification.Part 3:Modbus protocol implementation guide over TCP/IP
• GB/T 21207-2007 Low-voltage switchgear and controlgear.Principles for the development of device profiles for networked industrial devices

GB/T 27745-2011 history

• 2011 GB/T 27745-2011 Communication specification for low-voltage electrical apparatus