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4.3  ZigBee Smart Outlet Reference Design

This reference design contains many features for the evaluation of a smart outlet, including:

Table 4.2.  ZigBee Smart Outlet Reference Design Features

Reference Design Features

Benefit

15 A power relay

Allows for power control of most household electronic products.

Energy monitoring circuit

Provides power, voltage and current status of a device being powered by the refer-
ence design.

Temperature and relative humidity sensor

Provides room environmental sensing capability.

Ambient light sensor

Provides room lighting status information in proximity to the reference design.

Network status LED

Provides feedback on the RF network status.

Power status LED

Provides feedback on the power circuitry.

10-pin Mini Simplicity Connector

Facilitates ZigBee packet trace and debugging.

User button

Eases network commissioning (join/leave) and manual power override.

Test points

Simplifies hardware-level debugging.

4.4  Hardware Features

The smart outlet hardware reference design contains the following features:

• Silicon Labs EFR32MG1P232F256GM48 ZigBee Pro Radio:

• 32-bit ARM® Cortex -M4 with DSP and FPU
• 2.4-GHz IEEE 802.15.4-2003 transceiver & lower MAC.
• Hardware Cryptographic Acceleration for AES 128/256, SHA-1, SHA-2 (SHA-224 and SHA-256) and ECC.
• 256 kB user programmable flash with 64 kB RAM.
• Flexible ADC, UART/SPI/I2C serial communications, and general purpose timers.
• Highly efficient Thumb-2 instruction set.

• Silicon Labs Si7021 relative humidity and temperature sensor:

• Temperature sensor accuracy: ±0.4 °C
• Humidity sensor accuracy: ±3% RH
• I2C interface

• Silicon Labs Si1141 ambient light sensor:

• Ambient light sensor range: 1 to 128 kilo lux
• I2C interface

• Additional hardware features:

• Integrated PCB antenna.
• Energy monitoring device
• Full packet trace port for RF communications debugging.
• Pushbutton for manual on-off power and network join.
• Green Network/status LED.
• Red power status LED.
• Fully qualified BOM for 0 to 55 ºC operation.
• Pre-certified FCC Part 15.
• Pre-certified UL.

UG171: ZigBee

®

 Smart Outlet Reference Design (RD-0051-0201) Kit User's Guide

Overview

silabs.com

 | Smart. Connected. Energy-friendly.

Rev. 0.1  |  5

Содержание ZigBee

Страница 1: ...nd relative humidity sensor and the Si1141 ambient light sensor This document contains instructions and guidelines for the following a quick start demon stration and next steps system overview and operations hardware and firmware con siderations and engineering and manufacturing testing This guide applies to EmberZNet PRO 5 8 and later KEY POINTS Quick start demonstration Recommended next steps Ki...

Страница 2: ...icrocontroller MCU the Si7021 temperature and relative humidity sensor and the Si1141 ambient light sensor The outlet also features voltage current and power measurement capability as well as current and ther mal overload shutdown features The reference design can be directly integrated into a connected ZigBee home automation applica tion as shown in Figure 1 2 ZigBee Home Automation with Smart Ou...

Страница 3: ...as joined the ZigBee network when the green LED blinks six times 4 Demonstrate ZigBee Smart Outlet functionality a Send an on command from the gateway to the smart outlet This should cause an audible click to occur from the internal relay the red LED will blink once and power will be applied to the front female plug outlet b Send an off command from the gateway to the smart outlet This should caus...

Страница 4: ... demonstrate the look feel and function of a final product Refer to Section 7 Firmware to change functional behavior such as LED blinking or button functionality 3 4 System Integration Section 6 Hardware of this document describes the considerations for integrating the reference design into a typical application Often the reference design can be designed into a system without modification In cases...

Страница 5: ...Table 4 1 Part Numbers and Description Part Number PCB Marking Description RD 0051 0201 NA ZigBee Smart Outlet Reference Design Kit with North America plug using EFR32MG1P232F256GM48 Si7021 Si1141 and PCB Antenna RD 0051 0101 IST A0081 rev 2 0 Power Board IST A0074 rev 4 0 Radio Board IST A0075 rev 2 0 Sensor Board ZigBee Smart Outlet Reference Design Evaluation Board with North America plug using...

Страница 6: ...The smart outlet hardware reference design contains the following features Silicon Labs EFR32MG1P232F256GM48 ZigBee Pro Radio 32 bit ARM Cortex M4 with DSP and FPU 2 4 GHz IEEE 802 15 4 2003 transceiver lower MAC Hardware Cryptographic Acceleration for AES 128 256 SHA 1 SHA 2 SHA 224 and SHA 256 and ECC 256 kB user programmable flash with 64 kB RAM Flexible ADC UART SPI I2C serial communications a...

Страница 7: ...gBee HA 1 2 pre certifiable clusters Basic Identify On Off Metering Temperature Measurement Electrical Measurement Diag nostics and OTA Cluster Application firmware source code available in the EmberZNet PRO stack library 5 8 0 and later UG171 ZigBee Smart Outlet Reference Design RD 0051 0201 Kit User s Guide Overview silabs com Smart Connected Energy friendly Rev 0 1 6 ...

Страница 8: ...ges state from off to on the red LED will turn on for one second When the outlet changes state from on to off the red LED will turn on for 250 ms 5 1 3 Overload Protection and Indication The switch features current and thermal overload protection and indication If current or thermal overload is detected the outlet will disa ble power For current overload indication the red LED will blink 250 ms on...

Страница 9: ...ss the button one time 5 2 3 ACTIVE NTWK SEARCH State This state is a condition where the reference design is actively searching for a network but has not yet joined a network While in this mode the green LED will flash once every two seconds This operation of actively searching for a network will remain for up to 20 scans of the band or approximately 160 seconds If no network is found the referen...

Страница 10: ...attern to locate the targeted device After the reference design leaves the ON NETWORK state and enters this state the green LED will flash twice every two seconds for two minutes This state is temporary and the reference design will return to the ON NETWORK state once the state s timer reaches its time limit 5 2 7 NETWORK STATUS State The purpose of this state is to help an installer or user to id...

Страница 11: ...00 V 0 5 A Renco RLTI 1072 transformer 40 3 2A Bel Fuse slow blow fuse 250 V 0 5A Green and red LEDs 6 2 Hardware Modification Guidelines For users who wish to modify the reference design we offer guidelines below for what to expect in the modification process 6 2 1 Avoid Modification All changes listed here may have serious impacts on performance or certification passage such as FCC or UL Modifyi...

Страница 12: ...e the Mini Simplicity programmer is connected 7 2 2 Over the Air Reprogramming The demo board can be reprogrammed with an available ota file and a device that can perform OTA upgrades such as the RD 0001 or RD 0002 ZigBee USB Gateway Kit supported by Silicon Labs Refer to the gateway documentation for more information on how to reprogram via OTA upgrade 7 3 Build Instructions The instructions belo...

Страница 13: ...e Support In addition to General CLI the following CLI command summaries are supported Details about these command line interface features are provided in the Appbuilder Printing and CLI tab within Simplicity Studio Address Table Connection Manager Counters EEPROM EZ Mode Commissioning Electrical Measurement Server commands Identify Illuminance Measurement Server commands Manufacturing Library Man...

Страница 14: ... track incoming messages and provide receiver statistics on the incoming pack ets plugin mfglib stop Stops the manufacturing library plugin mfglib set channel channel Set the radio to the specified channel Note channel must be be teween 11 and 26 inclusive plugin mfglib set power power mode Sets the radio power to be used for manufacturing library transmit commands The mode enables or disables boo...

Страница 15: ...this functionality Our HaGatewayReference application supports the MFGLIB Clus ter although it is possible to use our development environment to create such a gateway After the gateway creates the network and the lighting reference design joins the network the gateway can send commands to the reference design to tell it which RF test to perform and which parameters to use such as channel and TX po...

Страница 16: ...next device power cycle Note It is assumed the gateway already created a network and that the reference design has joined this network with device ID 0x1234 zcl mfg code 0x1002 zcl mfglib stream 15 13 0 send 0x1234 1 1 UG171 ZigBee Smart Outlet Reference Design RD 0051 0201 Kit User s Guide Firmware silabs com Smart Connected Energy friendly Rev 0 1 15 ...

Страница 17: ...er While our reference designs have values for these attributes that are reflective of the Silicon Laboratories reference design work it is expected that each customer would customize these attributes for their own product In our testing we have also discovered that a few of the gateway manufacturers use the manufacturer name and model identifier among other things to implement a white list A whit...

Страница 18: ... is done to ensure customers are given a design that can pass FCC tests FCC compliance does not transfer to modules built according to this reference design even if the design is copied exactly 9 3 Antenna Radiation Patterns This design went through a series of tests to verify the efficiency of the antenna design This is important to ensure as close to isotropic radiation as possible 9 4 Underwrit...

Страница 19: ...monitoring functionality Temperature functionality Humidity functionality Ambient light functionality Common ZigBee operations Frequency offset with optional spectrum analyzer 10 2 Test Equipment List The test system is composed of the following components Desktop PC RF Shielded Box Isolated AC Mains power supply 2x WSTK with debug adapter board Golden Node Silicon Labs ZigBee coordinator device S...

Страница 20: ... setup the PC will communicate to the WSTK with a serial connection The WSTK will enumerate as a COM Port device when connected to the PC via USB without any additional setup 10 6 Communicating with Targets For testing purposes the NodeTest firmware image will be used on the target DUT The PC will communicate with the DUT s UART interface through the WSTK s COM port Use a serial connection tool su...

Страница 21: ...fabricate any integrated circuits The products are not designed or authorized to be used within any Life Support System without the specific written consent of Silicon Labs A Life Support System is any product or system intended to support or sustain life and or health which if it fails can be reasonably expected to result in significant personal injury or death Silicon Labs products are not desig...

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