Digi-Frame A4 Multi-Purpose Especificações descarregar pdf (Página 60)

XBee®/XBee‐PRO®SERFModules

©2009DigiInternational,Inc. 60

Description:

This transmission sends the string "TxData" as a broadcast transmission. Since the

destinationaddress is set to 0xFFFF, all devices, including sleeping end devices can receive this

broadcast.

Because receiver application addressing is enabled by default, the XBee will report all received

data frames in the explicit format (0x91) to indicate the source and destination endpoints, cluster

ID, and profile ID that each packet was received on. (Status messages like modem status and

route record indicators are not affected.)

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Digi International Inc 1
11001 Bren Road East 1
Minnetonka, MN 55343 1
877 912-3444 or 952 912-3444 1
Contents 3
1.Overview 6
Worldwide Acceptance 7
Specifications 8
Mechanical Drawings 9
SIF Header Interface 10
Mounting Considerations 10
Pin Signals 11
Design Notes 12
Electrical Characteristics 13
2.ModuleOperation 14
Serial Flow Control 15
Serial Interface Protocols 15
Modes of Operation 16
TransmitModeSequence 17
Receive Mode 18
Sleep Mode 18
3.XBeeZigBeeNetworks 19
Operating Channel 21
Application Profiles 21
Smart Energy Device Types 22
Smart Energy Clusters 23
Coordinator Operation 24
Channel Selection 25
PAN ID Selection 25
Security Policy 25
Persistent Data 25
Key Establishment 25
Permit Joining 26
XBee Device Registration 26
Resetting the Coordinator 28
Leaving a Network 28
Router Operation 29
Router Network Connectivity 34
Resetting the Router 34
Example: Joining a Network 34
End Device Operation 35
Orphan Scans 37
Parent Connectivity 38
Resetting the End Device 38
Channel Scanning 39
Discovery 41
Addressing 43
Data Transmission 43
Unicast Transmissions 44
RF Packet Routing 46
Link Status Transmission 47
AODV Mesh Routing 48
Many-to-One Routing 50
Source Routing 50
Encrypted Transmissions 54
Maximum RF Payload Size 54
Throughput 54
ZDO Transmissions 55
Sending a ZDO Command 56
Transmission Timeouts 57
Unicast Timeout 58
Extended Timeout 58
Transmission Examples 59
5.Security 61
Frame Counter 62
Message Integrity Code 62
Network Key Updates 63
APS Layer Security 63
Message integrity Code 63
APS Link Keys 63
Trust Center 64
Enabling Security 65
Enabling APS Encryption 65
XBee Security Examples 66
6.ManagingEndDevices 68
End Device Poll Timeouts 69
Packet Buffer Usage 69
Non-Parent Device Operation 70
XBee End Device Configuration 70
Cyclic Sleep 72
Transmitting RF Data 75
Receiving RF Data 75
Parent Verification 76
Rejoining 76
Putting it all Together 77
Sleep Examples 78
Device Discovery 80
Commissioning Pushbutton 81
Associate LED 81
In this example , AI = 0x22 82
8.APIOperation 83
MSB LSB 1 Byte 84
API-specific Structure 84
API UART Exchanges 85
Supporting the API 86
API Frames 87
ZigBee Create Source Route 91
AT Command Response 93
Modem Status 93
ZigBee Transmit Status 94
ZigBee Explicit Rx Indicator 95
Route Record Indicator 96
this byte 99
Example Description 101
3 to this 101
10.RFModuleSupport 113
Invoke XBee Bootloader 114
Send Firmware Image 114
SIF Firmware Updates 114
Writing Custom Firmware 115
Detecting XBee vs. XBee-PRO 116
Ensuring Optimal Output Power 116
When sleeping (end devices): 117
AppendixA:Definitions 118
YAGI CLASS ANTENNAS 121
OMNI-DIRECTIONAL ANTENNAS 121
PANEL CLASS ANTENNAS 121

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