Digi XBee SX 868 Manuale utente

XBee® SX 868

Radio Frequency (RF) Module

User Guide

Revision history—90001538

Revision Date Description

C May 2018 Added note on range estimation.

D March 2019 Added a receiver category to Performance specifications.

E November

2020

Added the C8 and R? commands. Added the Sleep Immediate and

Synchronous pulse sections. Added information on randomizing a single

I/O sample. Revised BC.

F July 2021 Added safety instructions and UKCA labeling requirements.

G March 2022 Added translated safety instructions.

Trademarks and copyright

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and other countries worldwide. All other trademarks mentioned in this document are the property of

their respective owners.

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merchantability for a particular purpose. Digi may make improvements and/or changes in this manual

or in the product(s) and/or the program(s) described in this manual at any time.

Warranty

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www.digi.com/howtobuy/terms

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Gather support information: Before contacting Digi technical support for help, gather the following

information:

Product name and model

Product serial number (s)

Firmware version

Operating system/browser (if applicable)

Logs (from time of reported issue)

Trace (if possible)

XBee® SX 868 RF Module User Guide 2

Description of issue

Steps to reproduce

Contact Digi technical support: Digi offers multiple technical support plans and service packages.

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XBee® SX 868 RF Module User Guide 3

Contents

XBee® SX 868 RF Module User Guide

Applicable firmware and hardware 14

Safety instructions

Safety instructions 16

XBee modules 16

Инструкции за безопасност 16

XBee модули 16

Sigurnosne upute 17

XBee moduli 17

Bezpečnostní instrukce 17

moduly XBee 17

Sikkerhedsinstruktioner 18

XBee moduler 18

Veiligheidsinstructies 18

XBee-modules 18

Ohutusjuhised 19

XBee moodulid 19

Turvallisuusohjeet 19

XBee moduulit 19

Consignes de sécurité 20

Modules XBee 20

Sicherheitshinweise 21

XBee-Module 21

Οδηγίες ασφαλείας 21

Biztonsági utasítások 22

XBee modulok 22

Istruzioni di sicurezza 22

Drošības instrukcijas 23

Saugos instrukcijos 23

XBee moduliai 23

Sikkerhetsinstruksjoner 24

XBee-moduler 24

Instrukcje bezpieczeństwa 24

Moduły XBee 24

Instruções de segurança 25

Módulos XBee 25

Instructiuni de siguranta 26

module XBee 26

XBee® SX 868 RF Module User Guide 4

XBee® SX 868 RF Module User Guide 5

Bezpečnostné inštrukcie 26

moduly XBee 26

Varnostna navodila 27

XBee moduli 27

Módulos XBee 27

Säkerhets instruktioner 28

XBee-moduler 28

Technical specifications

Regulatory conformity summary 30

Power requirements 31

Networking and security specifications 32

Performance specifications 32

General specifications 33

GPIO specifications 34

LBT and AFA specifications 34

Get started

Verify kit contents 37

Connect the hardware 38

Configure the device using XCTU 39

Configure the devices for a range test 39

Configure remote devices 39

Perform a range test 41

XBee Network Assistant 42

XBee Multi Programmer 42

Hardware

Mechanical drawings 45

Pin signals 46

Pin connection recommendations 48

Operation

Operation 50

Listen Before Talk and Automatic Frequency Agility 50

Single frequency mode band mode 51

Serial communications 51

UART data flow 51

SPI communications 52

SPI operation 53

Configuration considerations 55

Serial port selection 55

Data format 56

SPI parameters 56

Serial buffers 56

Serial receive buffer 56

Serial transmit buffer 57

UART flow control 57

CTS flow control 57

XBee® SX 868 RF Module User Guide 6

RTS flow control 57

Serial interface protocols 57

Transparent operating mode 57

API operating mode 58

Advanced application features

Remote configuration commands 60

Send a remote command 60

Apply changes on remote devices 60

Remote command responses 60

Network commissioning and diagnostics 60

Configure devices 61

Network link establishment and maintenance 61

Place devices 62

Device discovery 63

Link reliability 64

Commissioning pushbutton and associate LED 67

I/O line monitoring 69

I/O samples 69

Pin configurations 69

Periodic I/O sampling 72

Detect digital I/O changes 72

I/O line passing 73

Configuration example 73

General Purpose Flash Memory 75

Access General Purpose Flash Memory 75

General Purpose Flash Memory commands 76

Work with flash memory 82

Over-the-air firmware updates 82

Distribute the new application 82

Verify the new application 83

Install the application 83

Software libraries 84

Networking methods

Directed Broadcast/Repeater mode 86

Point to Point/Multipoint mode 86

Permanent (dedicated) 86

Switched 86

DigiMesh networking 86

DigiMesh feature set 87

Networking concepts 88

Device Configuration 88

Network ID 88

Data transmission and routing 88

Unicast addressing 88

Broadcast addressing 88

Routing 89

Route discovery 89

DigiMesh throughput 89

Transmission timeouts 90

XBee® SX 868 RF Module User Guide 7

Modes

Transmit mode 93

Receive mode 93

Command mode 93

Enter Command mode 93

Troubleshooting 94

Send AT commands 94

Response to AT commands 95

Apply command changes 95

Make command changes permanent 95

Exit Command mode 95

Sleep mode 95

Force UART operation 96

Condition 96

Solution 96

Sleep modes

About sleep modes 98

Asynchronous modes 98

Synchronous modes 98

Normal mode 98

Asynchronous pin sleep mode 98

Asynchronous cyclic sleep mode 99

Asynchronous cyclic sleep with pin wake up mode 99

Synchronous sleep support mode 99

Synchronous cyclic sleep mode 99

Wake timer 100

Indirect messaging and polling 100

Indirect messaging 100

Polling 101

Sleeping routers 101

Sleep coordinator sleep modes in the DigiMesh network 101

Synchronization messages 101

Become a sleep coordinator 104

Select sleep parameters 106

Sleep immediate 106

Synchronous pulse 107

Start a sleeping synchronous network 107

Add a new node to an existing network 108

Change sleep parameters 109

Rejoin nodes that lose sync 109

Diagnostics 110

AT commands

Special commands 113

AC (Apply Changes) 113

FR (Software Reset) 113

RE (Restore Defaults) 113

WR (Write) 113

MAC/PHY commands 114

CM (Channel Mask) 114

XBee® SX 868 RF Module User Guide 8

HP (Preamble ID) 114

ID (Network ID) 115

MT(Broadcast Multi-Transmits) 115

BR (RF Data Rate) 115

PL (TX Power Level) 115

RR (Unicast Mac Retries) 116

ED (Energy Detect) 116

LB (LNA Bypass) 117

Diagnostic commands 117

BC (Bytes Transmitted) 117

DB (Last Packet RSSI) 117

ER (Received Error Count) 118

GD (Good Packets Received) 118

EA (MAC ACK Timeouts) 118

TR (Transmission Errors) 118

UA (MAC Unicast Transmission Count) 119

%H (MAC Unicast One Hop Time) 119

%8 (MAC Broadcast One Hop Time) 119

Network commands 119

CE (Node Messaging Options) 120

C8 (Compatibility Options) 120

BH (Broadcast Hops) 121

NH (Network Hops) 121

NN (Network Delay Slots) 121

MR (Mesh Unicast Retries) 121

Addressing commands 122

SH (Serial Number High) 122

SL (Serial Number Low) 122

DH (Destination Address High) 122

DL (Destination Address Low) 122

TO (Transmit Options) 123

NI (Node Identifier) 123

NT (Node Discover Timeout) 124

NO (Node Discovery Options) 124

CI (Cluster ID) 125

DE (Destination Endpoint) 125

SE (Source Endpoint) 125

Addressing discovery/configuration commands 126

AG (Aggregator Support) 126

DN (Discover Node) 126

ND (Network Discover) 126

FN (Find Neighbors) 127

Diagnostic - addressing commands 128

N? (Network Discovery Timeout) 128

R? (Region) 128

Security commands 128

EE (Security Enable) 128

KY (AES Encryption Key) 129

Serial interfacing commands 129

BD (Interface Data Rate) 129

NB (Parity) 130

SB (Stop Bits) 131

RO (Packetization Timeout) 131

FT (Flow Control Threshold) 131

AP (API Mode) 132

XBee® SX 868 RF Module User Guide 9

AO (API Options) 132

I/O settings commands 133

CB (Commissioning Pushbutton) 133

D0 (DIO0/AD0) 133

D1 (DIO1/AD1) 133

D2 (DIO2/AD2) 134

D3 (DIO3/AD3) 134

D4 (DIO4) 135

D5 (DIO5/ASSOCIATED_INDICATOR) 135

D6 (DIO6/RTS) 136

D7 (DIO7/CTS) 136

D8 (DIO8/DTR/SLEEP_REQUEST) 137

D9 (DIO9/ON_SLEEP) 137

P0 (DIO10/RSSI/PWM0 Configuration) 138

P1 (DIO11/PWM1 Configuration) 138

P2 (DIO12 Configuration) 139

P3 (DOUT) 139

P4 (DIN/CONFIG) 140

P5 (DIO15/SPI_MISO Configuration) 140

P6 (SPI_MOSI Configuration) 141

P7 (DIO17/SPI_SSEL ) 141

P8 (DIO18/SPI_SCLK) 141

P9 (DIO19/SPI_ATTN) 142

PD (Pull Up/Down Direction) 142

PR (Pull-up/Down Resistor Enable) 143

M0 (PWM0 Duty Cycle) 143

M1 (PWM1 Duty Cycle) 143

LT (Associated LED Blink Time) 143

RP (RSSI PWM Timer) 144

I/O sampling commands 144

AV (Analog Voltage Reference) 144

IC (DIO Change Detection) 144

IF (Sleep Sample Rate) 145

IR (I/O Sample Rate) 146

TP (Temperature) 146

IS (Force Sample) 146

%V (Voltage Supply Monitoring) 147

I/O line passing commands 147

IU (I/O Output Enable) 147

IA (I/O Input Address) 147

T0 (D0 Timeout) 148

T1 (D1 Output Timeout) 148

T2 (D2 Output Timeout) 148

T3 (D3 Output Timeout) 148

T4 (D4 Output Timeout) 149

T5 (D5 Output Timeout) 149

T6 (D6 Output Timeout) 149

T7 (D7 Output Timeout) 149

T8 (D8 Timeout) 150

T9 (D9 Timeout) 150

Q0 (P0 Timeout) 150

Q1 (P1 Timeout) 150

Q2 (P2 Timeout) 151

Q3 (P3 Timeout) 151

Q4 (P4 Timeout) 151

XBee® SX 868 RF Module User Guide 10

PT (PWM Output Timeout) 151

Sleep commands 152

SM (Sleep Mode) 152

SO (Sleep Options) 152

SN (Number of Sleep Periods) 153

SP (Sleep Period) 153

ST (Wake Time) 154

WH (Wake Host) 154

Diagnostic - sleep status/timing commands 154

SS (Sleep Status) 154

OS (Operating Sleep Time) 155

OW (Operating Wake Time) 155

MS (Missed Sync Messages) 156

SQ (Missed Sleep Sync Count) 156

Command mode options 156

CC (Command Sequence Character) 156

CT (Command Mode Timeout) 156

CN (Exit Command Mode) 157

GT (Guard Times) 157

Firmware commands 157

VL (Version Long) 157

VR (Firmware Version) 157

HV (Hardware Version) 158

HS (Hardware Series) 158

DD (Device Type Identifier) 158

NP (Maximum Packet Payload Bytes) 158

CK (Configuration CRC) 159

Operate in API mode

API mode overview 161

Use the AP command to set the operation mode 161

API frame format 161

API operation (AP parameter = 1) 161

API operation with escaped characters (AP parameter = 2) 162

API serial exchanges 164

AT command frames 164

Transmit and receive RF data 165

Remote AT commands 165

Frame descriptions

Local AT Command Request - 0x08 167

Description 167

Format 167

Examples 167

Queue Local AT Command Request - 0x09 169

Description 169

Examples 169

Transmit Request - 0x10 171

Description 171

Transmit options bit field 172

Examples 172

Explicit Addressing Command Request - 0x11 174

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