ZWAVE协议介绍文档.pdf

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Software Design Specification Z-Wave Protocol Overview Document No.: SDS10243 Version: 8 Description: This document is a high-level description of the Z Wave Protocol. Written By: JFR;PSH;ABR;JBU Date: 2008-12-04 Reviewed By: CHL;JKA Partners Only Restrictions: Approved by: Date 2008-12-04 CET 13:49:23 Initials Name JFR Jørgen Franck Justification on behalf of NTJ This document is the property of Zensys A/S. The data contained herein, in whole or in part, may not be duplicated, used or disclosed outside the recipient for any purpose. This restriction does not limit the recipient's right to use information contained in the data if it is obtained from another source without restriction. CONFIDENTIAL

SDS10243-8 Z-Wave Protocol Overview 2008-12-04 Doc. Rev Date By 20050128 JFR Pages affected - 1 2 3 4 5 6 7 8 JFR 20060105 MVO All 3.4 20070228 All JFR All ABR 3.5 JFR JFR All ABR 5.1.4.1 & 6.4 20070509 20080626 20081124 20081126 20081202 3.4.2 & 3.4.4 REVISION RECORD Brief description of changes Removed paragraph about assignment of home and node ID Removed paragraph about controller replication New 1st page/header/footer contents. New Doc No Frequently listening routing slaves and Zensor Net routing slaves added Table of figures added Confidential in footer removed Random home ID after reset in controllers and slaves added ZDK 5.0x supports FLiRS and Zensor Net only. Minor typos corrected Explorer frame type and explorer route resolution added Zensys A/S Revision Record and Tables of Contents Page ii of iv CONFIDENTIAL

SDS10243-8 Z-Wave Protocol Overview 2008-12-04 Table of Contents 3.3.1 3.3.2 3.3.2.1 3.3.2.2 3.3.3 3.3.4 3.4.1 3.4.2 3.4.3 3.4.4 1 ABBREVIATIONS.................................................................................................................................1 2 INTRODUCTION...................................................................................................................................2 2.1 Purpose ..............................................................................................................................................2 2.2 Scope .................................................................................................................................................2 2.3 Audience and Prerequisites ...............................................................................................................2 3 Z-WAVE PROTOCOL...........................................................................................................................3 3.1 Overview.............................................................................................................................................3 3.2 Controller and Slave nodes................................................................................................................3 3.3 Controllers ..........................................................................................................................................4 Portable Controller......................................................................................................................4 Static Controller ..........................................................................................................................4 Static Update Controller ......................................................................................................5 SUC ID Server.....................................................................................................................5 Installer Controller ......................................................................................................................5 Bridge Controller.........................................................................................................................5 3.4 Slaves.................................................................................................................................................5 Slave...........................................................................................................................................5 Routing Slave .............................................................................................................................6 Enhanced Slave .........................................................................................................................6 Zensor Net Routing Slave ..........................................................................................................6 3.5 Home ID and Node ID ........................................................................................................................6 4 MAC LAYER .........................................................................................................................................8 4.1 Collision avoidance ............................................................................................................................8 5 TRANSFER LAYER............................................................................................................................10 5.1 Frame Layout ...................................................................................................................................10 Singlecast Frame Type.............................................................................................................11 5.1.1 Transfer Acknowledge Frame Type .........................................................................................11 5.1.2 5.1.3 Multicast Frame Type ...............................................................................................................11 5.1.4 Broadcast Frame Type.............................................................................................................12 Explorer Frame Type.........................................................................................................12 6 ROUTING LAYER...............................................................................................................................14 6.1 Frame Layout ...................................................................................................................................14 Routed Singlecast Frame Type................................................................................................14 Routed Acknowledge Frame Type ...........................................................................................14 6.2 Routing Table ...................................................................................................................................15 6.3 Route to Node ..................................................................................................................................15 6.4 Explorer Route Resolution ...............................................................................................................15 Last Working Route ..................................................................................................................16 The Explorer Search process...................................................................................................16 7 APPLICATION LAYER.......................................................................................................................17 7.1 Frame Layout ...................................................................................................................................17 Application Layer Frame Format ..............................................................................................17 7.2 Node information ..............................................................................................................................18 Node Information Frame Flow..................................................................................................18 8 REFERENCES....................................................................................................................................19 7.1.1 7.2.1 5.1.4.1 6.1.1 6.1.2 6.4.1 6.4.2 Zensys A/S Revision Record and Tables of Contents Page iii of iv CONFIDENTIAL

SDS10243-8 Z-Wave Protocol Overview List of Figures 2008-12-04 Figure 1 Z-Wave Protocol Layers............................................................................................................... 3 Figure 2 Z-Wave network comprising of controllers and slaves................................................................. 4 Figure 3 Z-Wave data stream..................................................................................................................... 8 Figure 4 Manchester coding ....................................................................................................................... 8 Figure 5 Collision avoidance ...................................................................................................................... 8 Figure 6 Z-Wave basic frame format........................................................................................................ 10 Figure 7 Singlecast transmission.............................................................................................................. 11 Figure 8 Multicast transmission................................................................................................................ 11 Figure 9 Broadcast transmission.............................................................................................................. 12 Figure 10 Routed singlecast transmission ............................................................................................... 14 Figure 11 Routed singlecast transmission ............................................................................................... 14 Figure 12 Network topology and routing table.......................................................................................... 15 Figure 13 Z-Wave application frame format ............................................................................................. 17 Figure 14 Z-Wave command class range ................................................................................................ 17 Figure 15 Get node info frame flow .......................................................................................................... 18 Zensys A/S Revision Record and Tables of Contents Page iv of iv CONFIDENTIAL

SDS10243-8 Z-Wave Protocol Overview 2008-12-04 1 ABBREVIATIONS Abbreviation EOF FLiRS MAC PIR RF SIS SOF SUC TTL ZDK Explanation End Of Frame Frequently Listening Routing Slave Media Access Control Passive Infra Red movement sensor Radio Frequency SUC ID Server Start Of Frame Static Update Controller Time-To-Live Z-Wave Developer’s Kit Zensys A/S Abbreviations CONFIDENTIAL Page 1 of 19

SDS10243-8 Z-Wave Protocol Overview 2008-12-04 2 INTRODUCTION 2.1 Purpose The purpose of this document is to describe the Z-WaveTM Radio Frequency Protocol that provides reliable and robust wireless communication between the nodes in a Z-Wave mesh network. 2.2 Scope The scope of this document is to give an overview of the following protocol layers: • The MAC layer • The Transfer Layer • The Routing Layer • The Frame Layer 2.3 Audience and Prerequisites The audience of this document is Z-Wave partners and Zensys A/S. Zensys A/S Introduction CONFIDENTIAL Page 2 of 19

SDS10243-8 Z-Wave Protocol Overview 2008-12-04 3 Z-WAVE PROTOCOL 3.1 Overview The Z-Wave protocol is a low bandwidth half-duplex protocol designed for reliable and robust wireless communication in a low cost control mesh network. The protocols main purpose is to communicate short control messages in a reliable manner from a control unit to one or more nodes in the network. The protocol is not designed to transfer large amounts of data or to transfer any kind of streaming or timing critical data. The protocol consist of 4 layers, the MAC Layer that controls the RF media, the Transfer Layer that handles frame integrity checks, acknowledgements, and retransmissions, the Routing Layer that controls the routing of frames in the network and application interface; and finally the Application Layer controls the payload in the transmitted and received frames. Application Layer Routing Layer Transfer Layer MAC Layer RF Media For a description of the four layers, refer to chapters 4 to 7. Figure 1 Z-Wave Protocol Layers 3.2 Controller and Slave nodes The Z-Wave protocol has two basic kinds of devices; controlling devices and slave nodes. Controlling devices are the nodes in a network that initiate control commands and sends out the commands to other nodes, and slave nodes are the nodes that reply on and execute the commands. Slave nodes can also forward commands to other nodes, which make it possible for the controller to communicate with nodes out of the direct radio wave reach. Zensys A/S Z-Wave protocol CONFIDENTIAL Page 3 of 19

SDS10243-8 Z-Wave Protocol Overview 2008-12-04 1 2 Slaves 3 Battery powered routing slave 4 Portable Controller Static controller Figure 2 Z-Wave network comprising of controllers and slaves 3.3 Controllers A controller is a Z-Wave device that has a full routing table and is therefore able to communicate with all nodes in the Z-Wave network. The functionality available in a controller depends on when it entered the Z-Wave network. In case the controller is used to create a new Z-Wave network it automatically become the primary controller. The primary controller is the “master” controller in the Z-Wave network and there can only be one in each network. Only primary controllers have the capability to include/exclude nodes in the network and therefore always have the latest network topology. Controllers added to the network using the primary controller are called secondary controllers and don’t have the capability to include/exclude nodes in the network. 3.3.1 Portable Controller A portable controller is a controller, which is designed to change position in the Z-Wave network. The portable controller uses a number of mechanisms to estimate the current location and hereby calculating the fastest route through the network. A portable controller is typically battery powered because it is mainly used in portable applications. It is difficult to communicate with a portable controller because it is typically powered down when not in active use to prolong battery lifetime. An example of a portable controller could be a remote control. 3.3.2 Static Controller A static controller is a fixed controller that must not change position in the network and has to be powered up all the time (always listening). This controller has the advantage that Routing slaves can report unsolicited status messages to it, and it also has the advantage of always knowing where it is located in the network. A static controller will typically be a secondary controller in a Z-Wave network. An example of a static controller could be an Internet gateway that monitors a Z-Wave system. Zensys A/S Z-Wave protocol CONFIDENTIAL Page 4 of 19

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