Encom ENC-900 Manuale utente

Operating Manual

Model: ENC-900

900 MHz Spread Spectrum OEM Transceiver

Revision 1.00, February 23, 2005

Encom Wireless Data Solutions Inc.

#7-640, 42nd Ave. N.E.

Calgary, Alberta T2E 7J9

Phone: (403) 230-1122

Fax: (403) 276-9575

http://www.encomwireless.com/

RF EXPOSURE

This module has been designed to comply with FCC RF exposure requirements outlined in Parts 2.1091,

2.1093, and 15.247(b)(4). Deviation from the recommended installation may violate RF exposure

requirements.

The manual for end users of the final product which incorporates the ENC-900 module must contain the

following statement in a prominent location:

To comply with FCC RF exposure requirements for mobile transmitting devices,

this transmitter should only be used or installed at locations where there is at

least 20cm separation distance between the antenna and all persons.

FCC NOTIFICATIONS

The ENC-900 module generates radio frequency energy. It must be installed according to the manufacturer’s

guidelines or it has the potential to cause interference with other radio devices. Testing has been performed to

assure that it conforms with the FCC Part 15 rules for intentional and unintentional radiators.

No further EMI compliance testing of the transmitter is required as long as the 20 cm separation and co-

location requirements are observed. Each new use of the module will, however, always need to be scanned for

unintentional radiation from digital clocks, etc.

All necessary calibration has been performed at the time of manufacture. Any modification of the device after

it leaves the factory is a violation of FCC rules.

Compliance Statement (Part 15.19)

This device complies with Part 15 of the FCC Rules and with RSS-210 of Industry Canada.

Operation is subject to the following two conditions:

1. This device may not cause harmful interference, and

2. This device must accept any interference received, including interference that may

cause undesired operation.

Warning (Part 15.21)

Changes or modifications not expressly approved by the party responsible for compliance could

void the user’s authority to operate the equipment.

RF Exposure (OET Bulletin 65)

To comply with FCC RF exposure requirements for mobile transmitting devices, this

transmitter should only be used or installed at locations where there is at least 20cm

separation distance between the antenna and all persons.

LABELING REQUIREMENTS

The FCC requires that the Part 15 statement be installed on the outside of the final product in a manner which

allows it to be seen and read. The accepted statement and a sample label format are as follows:

This device complies with Part 15 of the FCC Rules.

Operation is subject to the following two conditions:

1. This device may not cause harmful

interference, and

2. This device must accept any interference

received, including interference that may

cause undesired operation.

Contains TX FCC ID: PLQENC900

Canada: 3966A-ENC900

S/N: XXXYYYZZZ

MODEL: ENC-900

Made in Canada

The label should be printed or molded into the case using a type front and size that is readable with the unaided

eye. The FCC identification number is required.

Industry Canada Statement

The term “IC” before the certification / registration number only signifies that the Industry Canada technical

specifications were met.

900 MHz

Spread-Spectrum OEM

Radio Modem

WARNING

In order to comply with the FCC/IC

adopted RF exposure requirements, this

transmitter system will only be installed

according to manufacturer’s Installation

Guidelines. Installation of all antennas must

be performed in a manner that will provide

at least 20cm clearance from the front

radiating aperture, to any user or member

of the public.

EQUIPMENT LABELING

The manufacturer, product name, and FCC

and Industry Canada identifiers of this

product must appear on the outside label of

the end-user equipment.

This manual contains information of proprietary

interest to Encom Wireless Data Solutions Inc. It

has been supplied in confidence to purchasers an

users of the ENC-900, and by accepting this material

the recipient agrees that the contents will not be

copied or reproduced, in whole or in part, withou

prior written consent of Encom Wireless Data

Solutions Inc.

Encom Wireless Data Solutions Inc. has made every

effort to assure that this document is accurate an

complete. However, the company reserves the righ

to make changes or enhancements to the manual

and/or the product described herein at any time an

without notice. Furthermore, Encom Wireless Data

Solutions Inc. assumes no liability resulting from

any omissions in this document, or out of the

application or use of the device described herein.

Encom’ products are appropriate for home, office, o

industrial use, but are not authorized for utilization i

applications where failure could result in damage to

property or human injury or loss of life.

The electronic equipment described in this manual

generates, uses, and radiates radio frequency energy.

Operation of this equipment in a residential area may

cause radio interference, in which case the user, a

his own expense, will be required to take whateve

measures necessary to correct the interference.

FCC Declaration of Conformity

This device complies with Part 15 of the FCC Rules.

Operation is sub

ect to the followin

two conditions: (1) this

device ma

not cause harmful interference, and (2) this

device must accept an

interference received includin

interference that may cause undesired operation.

Encom Wireless Data Solutions Inc., products are warrante

against all failures which occur as a result of defective material

or workmanship within 24 months of purchase by the user.

This warranty does not extend to products that, in the opinion

of Encom Wireless Data Solutions Inc.., have been subject to

misuse, accidents, lightning strikes, improper installation o

application, nor shall it extend to units which have, in Enco

Wireless Data Solutions Inc.’s opinion, been opened, tampere

with or repaired by an unauthorized facility.

Encom Wireless Data Solutions Inc

#7-640 42nd Ave. N.E.

Calgary, Alberta T2E 7J9

Phone: (403) 230-1122Fax: (403) 276-9575

http://www.encomwireless.com/

trademarks of Encom Wireless Data Solutions Inc. Microsoft and Windows are

registered trademarks of Microsoft Corporation. All other products mentioned

in this document are trademarks or registered trademarks of their respective

holders.

Revision 1.00, August 27, 2004

ENC-900 Operating Manual: Chapter 1 Introduction. 1

RF EXPOSURE.............................................................................................................................................................2

FCC NOTIFICATIONS ................................................................................................................................................2

LABELING REQUIREMENTS ...................................................................................................................................3

1. Introduction ...............................................................................................................................................................3

1.0 Product Overview ................................................................................................................................................3

1.1 Features................................................................................................................................................................3

1.2 About this Manual ...............................................................................................................................................4

2. Electrical/Physical .....................................................................................................................................................6

2.0 Functional Block Diagram..................................................................................................................................6

2.1 Pin-out .................................................................................................................................................................7

2.2 Mounting Location ..............................................................................................................................................8

2.3 Antenna................................................................................................................................................................9

2.4 LED Operation ..................................................................................................................................................10

2.5 DC Characteristics.............................................................................................................................................12

3. Modes of Operation .................................................................................................................................................14

3.1 Data Mode .........................................................................................................................................................14

3.2 Command Mode ................................................................................................................................................15

3.2.1 AT Command Interface ..............................................................................................................................16

3.3 Switching Between Command and Data Modes................................................................................................16

4. Configuration...........................................................................................................................................................18

4.1 Quick Start Approach ........................................................................................................................................18

4.1.1 Checking the Link.......................................................................................................................................19

4.2 AT Commands...................................................................................................................................................19

AAnswer.....................................................................................................................................................20

ECommand Echo........................................................................................................................................20

IIdentification............................................................................................................................................20

OOn-line Mode...........................................................................................................................................20

QQuiet Mode ..............................................................................................................................................20

VResult Codes display................................................................................................................................20

WConnection Result....................................................................................................................................21

ZReset and load stored configuration.........................................................................................................21

&C DCD (Data Carrier Detect) ......................................................................................................................21

&D DTR (Data Terminal Ready)....................................................................................................................21

&F Load Factory Default Configuration........................................................................................................21

&K Handshaking ............................................................................................................................................22

&S DSR (Data Set Ready) .............................................................................................................................22

&V View Configuration .................................................................................................................................22

&E Framing Error Check ...............................................................................................................................22

&W Write Configuration to Memory ..............................................................................................................22

Sxxx? Read S register value ...............................................................................................................................22

Sxxx=yyy Set S register value..........................................................................................................................22

AT Command Result Codes ................................................................................................................................22

4.3 S Registers .........................................................................................................................................................23

S Register 0 - Auto Answer ................................................................................................................................23

S Register 2 - Escape Code................................................................................................................................23

S Register 101 - Operating Mode ........................................................................................................................24

S Register 102 - Serial Baud Rate .......................................................................................................................26

S Register 103 - Wireless Link Rate....................................................................................................................26

S Register 104 - Network Address ......................................................................................................................27

S Register 105 - Unit Address .............................................................................................................................27

S Register 106 - Primary Hopping Pattern ..........................................................................................................27

S Register 206 - Secondary Hopping Pattern ......................................................................................................27

S Register 107 - Encryption Key .........................................................................................................................29

S Register 108 - Output Power Level ..................................................................................................................29

S Register 109 - Hopping Interval .......................................................................................................................30

S Register 110 - Data Format ..............................................................................................................................31

S Register 111 - Packet Minimum Size ...............................................................................................................31

S Register 112 - Packet Maximum Size ..............................................................................................................31

S Register 116 - Packet Character Timeout.........................................................................................................31

S Register 113 - Packet Retransmissions.............................................................................................................32

S Register 114 - Sleep Mode ...............................................................................................................................32

S Register 115 - Packet Repeat Interval ..............................................................................................................33

S Register 117 - Radio Buffer Mode ...................................................................................................................33

S Register 118 - Roaming....................................................................................................................................33

S Register 119 - Quick Enter to Command .........................................................................................................34

S Register 120 - RTS/DCD Framing ...................................................................................................................34

S Register 121 - DCD Timeout............................................................................................................................34

S Register 123 - Remote RSSI Reading ..............................................................................................................35

S Register 124 - Master RSSI Reading................................................................................................................35

S Register 213 - Packet Retry Limit ....................................................................................................................35

4.4 Diagnostics, Statistics and Remote Control.......................................................................................................36

4.4.1 Spectrum Analyzer Feature (ATG).............................................................................................................36

4.4.2 Statistics (ATP)...........................................................................................................................................36

4.4.3 Remote Control and Diagnostics (S101=5) ................................................................................................37

A. Modem Command Summary..................................................................................................................................41

b. Factory Default Settings ..........................................................................................................................................43

C. Technical Specifications .........................................................................................................................................45

D. Glossary..................................................................................................................................................................47

ENC-900 Operating Manual: Chapter 1 Introduction. 3

1. INTRODUCTION

1.0 Product Overview

The ENC-900 is a high-performance embedded wireless data transceiver.

Operating in the 902 - 928 MHz ISM band, this frequency-hopping spread-

spectrum module is capable of providing reliable wireless data transfer

between almost any type of equipment which uses an asynchronous serial

interface. The small-size and superior RF performance of this module make

it ideal for many applications. Typical uses for this module include:

•SCADA

•Traffic Control

•Remote Monitoring

•Fleet Management;

•Telemetry;

•Remote Camera/Robot Control;

•Security Systems; and,

•Display Signs.

While a pair of ENC-900 modules can link two terminal devices (“point-to-

point” operation), multiple modules can be used together to create a network

of various topologies, including “point-to-multipoint” and “repeater”

operation. Multiple independent networks can operate concurrently, so it is

possible for unrelated communications to take place in the same or a nearby

area without sacrificing privacy or reliability.

1.1 Features

Key features of the ENC-900 include:

•transmission within a public, license-exempt band of the radio

spectrum1– this means that it can be used without access fees (such

as those incurred by cellular airtime);

•a serial I/O data port with handshaking and hardware flow control,

allowing the ENC-900 to interface directly to any equipment with

an asynchronous serial interface.

•64 sets of user-selectable pseudo-random hopping patterns,

intelligently designed to offer the possibility of separately operating

multiple networks while providing security, reliability and high

tolerance to interference;

•encryption key with 65536 user-selectable values to maximize

security and privacy of communications;

•built-in CRC-16 error detection and auto re-transmit to provide

100% accuracy and reliability of data;

•ease of installation and use – the ENC-900 module uses a subset of

standard AT style commands, very similar to those used by

traditional telephone line modems.

While the typical application for the ENC-900 is to provide a short- to mid-

range wireless communications link between DTEs, it can be adapted to

1902-928 MHz, which is license-free within North America; may need to be factory-configured

differently for some countries.

4ENC-900 Operating Manual: Chapter 1 Introduction

almost any situation where an asynchronous serial interface is used and data

intercommunication is required.

1.2 About this Manual

This manual has been provided as a guide and reference for installing and

using ENC-900 wireless modem modules. The manual contains instructions,

suggestions, and information which will help you set up and achieve optimal

performance from your equipment using the ENC-900 module.

It is assumed that users of the ENC-900 module have either system

integration or system design experience. Chapter 2 details the

electrical/physical attributes of the module. Chapter 3 explains the different

modes of operation, and Chapter 4 provides complete details of all

configuration parameters. The Appendices, including the Glossary of Terms,

are provided as informational references which you may find useful

throughout the use of this manual as well as during the operation of the

wireless modem.

Throughout the manual, you will encounter not only illustrations that further

elaborate on the accompanying text, but also several symbols which you

should be attentive to:

Caution or Warning: Usually advises against some action which could

result in undesired or detrimental consequences.

Point to Remember: Highlights a key feature, point, or step which is worth

noting, Keeping these in mind will make using the ENC-900 more useful or

easier to use.

Tip: An idea or suggestion is provided to improve efficiency or to make

something more useful.

With that in mind, enjoy extending the boundaries of your communications

with the ENC-900 module.

ENC-900 Operating Manual: Chapter 2 Electrical/Physical 5

6ENC-900 Operating Manual: Chapter 1 Introduction

2. ELECTRICAL/PHYSICAL

2.0 Functional Block Diagram

Transceiver

Intrgrated

Circuit

Lowpass

Filter

Bandpass

Filter

Bandpass

Filter

Power

Amplifier

T/R

Switch

Lowpass

Filter

39.00 MHz

Crystal

Microcontroller

Host

Connector

32.768 kHz

Crystal

Figure 1. Functional Block Diagram

Indice

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