UG171: ZigBee
®
Smart Outlet Reference
Design (RD-0051-0201) Kit User's Guide
Silicon Labs' compact and cost-effective smart outlet reference design is based on Zig-
Bee HA (Home Automation) 1.2 standard and can be used in conjunction with a ZigBee
HA 1.2 home automation system. This reference design kit features Silicon Labs’
EFR32MG1P232F256GM48 ZigBee Pro Wireless Microcontroller (MCU), the Si7021
temperature and 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
• Kit overview
• Device operation
• HA 1.2 and FCC certifiable
• Hardware and Firmware Considerations
• Ecosystem considerations
• Engineering and Manufacturing Testing
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UG171: ZigBee
®
Smart Outlet Reference Design (RD-0051-0201) Kit User's Guide
Introduction
1. Introduction
There is an increasing desire in the market for a standards-driven, low-cost, and low-power wireless home automation system. For
many entrant systems a smart outlet is usually employed to remotely activate and deactivate the source power feeding into room
lamps, personal fans, and consumer electronics. In addition to home automation, consumers are employing an array of low-cost sen-
sors to further enhance their home automation’s autonomous behavior. Silicon Labs has developed a compact and cost-effective smart
outlet reference design targeted at these applications. This reference design (see the following figure) features Silicon Labs’
EFR32MG1P232F256GM48 ZigBee Pro Wireless Microcontroller (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 Outlets on page 1.
The reference design comes preprogrammed
and fully functional out of the box. All hardware design files and firmware application source code are available.
Figure 1.1. ZigBee Smart Outlet Reference Design
ZigBee
Smart
Outlet
ZigBee
Smart
Outlet
ZigBee
Smart
Outlet
Figure 1.2. ZigBee Home Automation with Smart Outlets
ZigBee HA 1.2
Gateway
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UG171: ZigBee
®
Smart Outlet Reference Design (RD-0051-0201) Kit User's Guide
Quick Start Demonstration
2. Quick Start Demonstration
A video showing the quick-start demonstration is available at
http://www.silabs.com/zigbeesmartoutlet.
1. Set up an HA 1.2 ZigBee gateway.
2. Supply power to the ZigBee Smart Outlet.
a. Ensure the reference design is connected to a main power source. Note that the outlet power supply is rated to 240 VAC,
however, the the North American plug is rated to 120 VAC.
b. The reference design is powered when the green LED momentarily flashes at least once.
3. Connect the ZigBee Smart Outlet to the ZigBee network.
a. Follow the directions provided with the ZigBee gateway to enable the smart outlet reference design to join its ZigBee network.
b. Depress and hold external front button for more than three seconds, then release to begin the network join procedure.
c. The outlet has 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 cause an audible click to occur (from the internal
relay), the red LED will blink once and power will be removed to the front female plug outlet.
c. To manually provide or remove power from the female front outlet, hold the front button for more than half a second, but less
than two seconds to toggle between states.
d. If supported by the gateway, the on-board sensors on the reference design can be viewed by the user interface of the gate-
way.
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UG171: ZigBee
®
Smart Outlet Reference Design (RD-0051-0201) Kit User's Guide
Recommended Next Steps
3. Recommended Next Steps
A video showing the recommended next steps is available at
http://www.silabs.com/zigbeesmartoutlet.
3.1 Evaluate the Smart Outlet
The ZigBee smart outlet reference design can support most smart power outlet application requirements. Typical areas of evaluation
include:
1. ZigBee network behavior, such as network join and leave.
2. Deploying on-off commands remotely.
3. Measuring energy consumption of the controlled load.
4. Monitoring ambient temperature, humidity, and ambient light.
5. RF performance, such as range.
3.2 Evaluate the Firmware
If firmware modification is needed to support your application:
1. Visit the ZigBee
Getting Started
page and order a development kit.
2. Refer to Section
7. Firmware
of this document.
3.3 Build Proof of Concept
Out of the box, the smart outlet reference design can be used for a rapid proof of concept. One can 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 where a change is required, the hardware section of
this document also offers modification guidelines.
3.5 Engineering and Manufacturing Tests
Section
9. Engineering Tests
of this document provides engineering test information for UL, such as FCC and HA 1.2.
Section
10. Manufacturing Tests
of this document offers considerations for simplified manufacturing tests.
3.6 Manufacturing
Please contact Silicon Labs to access our manufacturing partner network for the reference design, or a modified version of the design.
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UG171: ZigBee
®
Smart Outlet Reference Design (RD-0051-0201) Kit User's Guide
Overview
4. Overview
4.1 Part Numbers
The part number convention is RD-XXXX-YYYY, where:
RD
XXXX
YYYY
Reference Design
Reference Design Number
Reference Design Component
This document will use the reference design number (RD-XXXX) when describing the complete design, and the reference design com-
ponent (RD-XXXX-YYYY) when describing a specific component.
The following table provides a description and PCB marking for each part number.
Note:
Some cases lack sufficient space on the PCB, and an internal “IST” marking appears on the PCB instead of the “RD” part num-
ber.
Table 4.1. Part Numbers and Description
Part Number
RD-0051-0201
RD-0051-0101
PCB Marking
NA
IST-A0081 rev 2.0
(Power Board)
IST-A0074 rev 4.0
(Radio Board)
IST-A0075 rev 2.0
(Sensor Board)
4.2 ZigBee Smart Outlet Reference Design Kit
Kit Contents:
• ZigBee smart outlet reference design.
• Quick start card to obtain the latest reference design collateral.
Description
ZigBee Smart Outlet Reference Design Kit with North America plug using
EFR32MG1P232F256GM48, Si7021, Si1141 and PCB Antenna.
ZigBee Smart Outlet Reference Design Evaluation Board with North America
plug using EFR32MG1P232F256GM48, Si7021, Si1141 and PCB Antenna.
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