GB/T 36424.1-2018Interface requirements of IoT household electrical appliance—Part 1:Interface between control system and communication module (English PDF)
物联网家电接口规范 第1部分：控制系统与通信模块间接口
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
June 7, 2018
Implementation date
January 1, 2019
Scope
GB/T 36424.1-2018 is the English-translated version of 物联网家电接口规范 第1部分：控制系统与通信模块间接口.
GB/T 36424.1-2018 defines the internal interface between the control system of an IoT household appliance and its communication module.
It applies to the four-wire interface and specifies its hardware - power supply, signal receiving and transmitting ends and ground, with a 2.5 mm pin spacing, a 5 V DC supply and a maximum current of 500 mA - and its software, meaning the communication method and protocol.
It also describes the working states of an IoT appliance and the communication process between control system and module in each state, with further requirements for the transmission.
Appliance manufacturers and makers of communication modules use it together with GB/T 36429-2018 and GB/T 33745-2017, whose terms it adopts. It was issued on 7 June 2018 and has applied since 1 January 2019.
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Document preview — GB/T 36424.1-2018
National Standard of the People's Republic of China
- ICS
- 97.030
- Classification
- Y 60
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Interface between control system and communication module
- 5 interface hardware requirements
- 5.1 Basic requirements
- 5.2 Other requirements
- 6 interface software requirements
- 6.1 Basic requirements for communication methods
- 6.2 Communication Protocol
- 7 Communication process between control system and communication module
- 7.1 Internet of Things Appliances Working Status
- 7.2 Communication Process in Different Status
- 7.3 Other requirements during the transmission of communications
Foreword
GB/T 36424 is intended to be divided into the following sections.
--- Part 1. Interface between the control system and the communication module.
This part is the first part of GB/T 36424.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This part of GB/T 36424 specifies the type of interface, hardware and software requirements between the appliance control system and the communication module of the Internet of Things. Inter-module communication flow, etc.
This section applies to the internal module interface of the Internet of Things appliance.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.
Safety of household and similar electrical appliances - Part 1. General requirements
GB/T 33745-2017 Internet of Things terminology
GB/T 36429-2018 IoT home appliance system structure and application model
3 Terms and definitions
The terms and definitions defined in GB/T 33745-2017 and GB/T 36429-2018 apply to this document.
4 Interface between control system and communication module
The types of interfaces between the IoT appliance control system and the communication module include but are not limited to the four-wire interface. This section only applies to the four-wire interface. The software and hardware requirements are specified.
5 Interface hardware requirements
5.1 Basic requirements
The four-wire interface between the IoT appliance control system and the communication module should meet the following requirements.
a) When the IoT home appliance control system is connected to the communication module, it is connected by a four-wire system (/pin), which is a power supply, a signal receiving end, Signal transmitting end, ground;
b) If the interface is connected with compatible terminals, the pin spacing is 2.5mm, the control module interface is female, and the communication module interface is male, line The specification is shown in Figure 1.
c) Power supply voltage. DC5V ± 0.25V;
d) Maximum supply current. 500mA.
Pin equivalent description. When the communication module uses the I2C bus mode to communicate with the home appliance electronic control board, the TX pin acts as the SCL pin. At the end, the RX pin acts as the SDA pin, which is the data side. When the communication module uses the USB bus mode to communicate with the home appliance electrical control board, the TX pin is equivalent to D-foot, RX foot is equivalent to D foot.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
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