UG124: ZigBee
®
Contact Sensor
Reference Design (RD-0030-0201) Kit
User's Guide
Silicon Labs' ultra-low power, small, and cost-effective complete reference design
based on ZigBee HA (Home Automation) 1.2 standard focuses on contact sensors that
can be used for window or door sensing. This ZigBee contact sensor reference design
kit features Silicon Labs’ EM3587 ZigBee Pro Wireless Microcontroller (MCU) and the
Si7053 temperature sensor. This document contains instructions and guidelines for the
following: a quick-start demonstration and next steps, system overview and operations,
hardware and firmware considerations, and engineering and manufacturing testing.
KEY POINTS
• ZigBee Door/Window Sensor
• HA 1.2 and FCC Certifiable
• Hardware and Firmware Considerations
• Engineering and Manufacturing Testing
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UG124: ZigBee
®
Contact Sensor Reference Design (RD-0030-0201) 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. Silicon
Labs has released an ultra-low power, small, and cost-effective complete reference design based on ZigBee HA 1.2 standard that focu-
ses on contact sensors that can be used for window or door sensing (Figure
1.1 ZigBee Contact Sensor Reference Design on page
1).
This ZigBee contact sensor reference design kit features Silicon Labs’ EM3587 ZigBee Pro Wireless Microcontroller (MCU) and
the Si7053 temperature sensor. The reference design can be directly integrated into a connected ZigBee home automation application
as shown in
Figure 1.2 ZigBee Home Automation Application with Contact Sensors on page 1.
The contact sensor boards come pre-
programmed and fully functional out of the box. All hardware design files and firmware application source code are available.
Front
Back
Figure 1.1. ZigBee Contact Sensor Reference Design
ZigBee Contact Sensor #1
ZigBee HA 1.2
Gateway
ZigBee Contact Sensor #2
ZigBee Contact Sensor #3
Figure 1.2. ZigBee Home Automation Application with Contact Sensors
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UG124: ZigBee
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Contact Sensor Reference Design (RD-0030-0201) 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/zigbeecontactsensor.
1. Setup an HA 1.2 ZigBee gateway.
To test the contact sensor in a ZigBee network, it needs to connect to a gateway. Silicon Labs offers an RD-0002-0201 ZigBee Wi-
Fi/Ethernet gateway (sold separately) for the purpose of evaluating the ZigBee contact sensor reference design. A commercially
available Home Automation (HA) 1.2 compliant gateway that supports an IAS zone sensor with device profile ID = 0x0402 will also
work for this purpose. Depending on the commercially available gateway, the contact sensor can also display its temperature sen-
sor reading. The RD-0002-0201 supports the contact sensor’s temperature sensor feature.
2. Supply power to the ZigBee Contact Sensor.
a. Remove the white battery tab that separates the battery from its battery connector.
b. The contact sensor is powered when red LED D1 momentarily flashes at least once.
3. Connect the ZigBee Contact Sensor to the ZigBee network.
a. Follow the directions provided with the ZigBee gateway to enable the Contact Sensor reference design to join its ZigBee net-
work.
b. Depress and hold S1 button for more than one second, then release to begin the network join procedure.
c. The demo board has joined the ZigBee network when the red LED D1 blinks six times.
4. Demonstrate ZigBee Contact Sensor functionality.
a. To send a “close” command to the gateway, ensure the supplied magnet from the kit is less than 7 mm from the SW0 reed.
b. To send an “open” command to the gateway, ensure the supplied magnet from the kit is more than 15 mm from the SW0 reed.
c. The contact sensor will send temperature sensor updates to the gateway every thirty minutes by default if this parameter is not
configured differently by the gateway.
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UG124: ZigBee
®
Contact Sensor Reference Design (RD-0030-0201) 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/zigbeecontactsensor.
3.1 Evaluate the Contact Sensor
The ZigBee contact sensor reference design can support most contact sensor application requirements. Typical areas of evaluation
include:
1. ZigBee network behavior, such as network join and leave.
2. Monitoring open/close events.
3. Monitoring ambient temperature.
4. 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 contact sensor reference design can be used for a rapid proof of concept. By simply adding a plastic housing (such
as one that is 3D printed) to the reference design, 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
8. Engineering Tests
of this document provide engineering test results, such as FCC and HA 1.2.
Section
9. Manufacturing Tests
of this document offers considerations for simplified manufacturing tests.
3.6 Manufacturing
Please contact Silicon Labs if you would like access to our manufacturing partner network for the reference design, or a modified ver-
sion of the design.
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UG124: ZigBee
®
Contact Sensor Reference Design (RD-0030-0201) 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-0030-0201
RD-0030-0101
PCB Marking
N/A
IST-A30 Rev 2.0
Description
ZigBee Contact Sensor Reference Design Kit with EM3587, Si7053, and
PCB Antenna.
ZigBee Contact Sensor Reference Design Evaluation Board with
EM3587, Si7053, and PCB Antenna.
4.2 ZigBee Contact Sensor Reference Design Kit
Kit Contents:
• ZigBee Contact Sensor Reference Design with CR2032 battery and battery tab.
• Standex / Meder M13 magnet enclosed in plastics with screw holes.
• Quick start card to obtain the latest reference design collateral.
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