CSI Wireless Seres Manuel utilisateur

Seres™

Reference Manual

Part Number 875-0056-000

Date: September 2002

Seres Reference Manualii

manual may be stored in a retrieval system, transmitted, or reproduced by

any means, including, but not limited to photocopy, photograph, digitizing,

or otherwise, without the prior written permission from CSI Wireless Inc.

Trademarks

The CSI Wireless logo, Seres™, and COAST™ are trademarks of CSI

Wireless Inc. All other trademarks are the property of their respective

owners.

FCC Notice

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.

CSI Wireless Inc.

4110 9th Street SE

Calgary, Alberta, Canada T2G 3C4

Telephone number: +1-403-259-3311

Fax number: +1-403-259-8866

E-mail address: info@csi-wireless.com

Web Site: www.csi-wireless.com

Seres Reference Manual iii

CSI Wireless Limited Warranty

CSI Wireless Inc. (“CSI”) hereby warrants solely to the end purchaser of

the Products, subject to the exclusions and procedures set forth herein

below, that the Products sold to such end purchaser shall be free, under

normal use and maintenance, from defects in material and workmanship for

a period of 12 months from delivery to such end purchaser. Repairs and

replacement components are warranted, subject to the exclusions and

procedures set forth below, to be free, under normal use and maintenance,

from defects in material and workmanship for 90 days from performance

or delivery, or for the balance of the original warranty period, whichever is

greater.

Purchaser’s Exclusive Remedy

The end purchaser’s exclusive remedy under this warranty shall be limited

to the repair or replacement, at the option of CSI Wireless, of any

defective Products or components thereof. The end user shall notify CSI

Wireless or a CSI Wireless approved service center immediately of any

claimed defect. Repairs shall be made through a CSI Wireless approved

service center only.

Exclusions

CSI Wireless does not warrant damage occurring in transit or due to

misuse, abuse, improper installation, neglect, lightning (or other electrical

discharge) or fresh/salt water immersion of Products. Repair, modification

or service of CSI Wireless products by any party other than a CSI

Wireless approved service center shall render this warranty null and void.

CSI Wireless does not warrant claims asserted after the end of the

warranty period. CSI Wireless does not warrant or guarantee the

precision or accuracy of positions obtained when using Products.

Seres Reference Manualiv

Products are not intended for primary navigation or for use in safety of life

applications. The potential accuracy of Products as stated in CSI Wireless

literature and/or Product specifications serves to provide only an estimate

of achievable accuracy based on:

•Specifications provided by the US Department of Defense for GPS Positioning,

•GPS OEM Receiver specifications of the appropriate manufacturer (if

applicable), and

•DGPS service provider performance specifications.

CSI Wireless reserves the right to modify Products without any obligation

to notify, supply or install any improvements or alterations to existing

Products.

No Other Warranties

THE FOREGOING WARRANTY IS EXCLUSIVE OF ALL OTHER

WARRANTIES, WHETHER WRITTEN, ORAL, IMPLIED OR ARISING BY

STATUTE, COURSE OF DEALING OR TRADE USAGE, IN

CONNECTION WITH THE DESIGN, SALE, INSTALLATION, SERVICE

OR USE OF ANY PRODUCTS OR ANY COMPONENTS THEREOF,

INCLUDING, BUT NOT LIMITED TO, ANY WARRANTY OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

Limitation of Liability

THE EXTENT OF CSI WIRELESS’S LIABILITY FOR DAMAGES OF ANY

NATURE TO THE END PURCHASER OR ANY OTHER PERSON OR

ENTITY WHETHER IN CONTRACT OR TORT AND WHETHER TO

PERSONS OR PROPERTY SHALL IN NO CASE EXCEED, IN THE

AGGREGATE, THE COST OF CORRECTING THE DEFECT IN THE

PRODUCT OR, AT CSI WIRELESS’S OPTION, THE COST OF

REPLACING THE DEFECTIVE ITEM. IN NO EVENT WILL CSI

Seres Reference Manual v

WIRELESS BE LIABLE FOR ANY LOSS OF PRODUCTION, LOSS OF

PROFITS, LOSS OF USE OR FOR ANY SPECIAL, INDIRECT,

INCIDENTAL, CONSEQUENTIAL OR CONTINGENT DAMAGES,

EVEN IF CSI WIRELESS HAS BEEN ADVISED OF THE POSSIBILITY OF

SUCH DAMAGES. WITHOUT LIMITING THE FOREGOING, CSI

WIRELESS SHALL NOT BE LIABLE FOR ANY DAMAGES OF ANY KIND

RESULTING FROM INSTALLATION, USE, QUALITY, PERFORMANCE

OR ACCURACY OF ANY PRODUCTS.

Governing Legislation

To the greatest extent possible, this warranty shall be governed by the laws

of the State of Arizona. In the event that any provision hereof is held to be

invalid by a court of competent jurisdiction, such provision shall be severed

from this warranty and the remaining provisions shall remain in full force

and effect.

Obtaining Warranty Service

In order to obtain warranty service, the end purchaser must bring the

Product to a CSI Wireless approved service center, along with the end

purchaser’s proof of purchase. For any questions regarding warranty

service or to obtain information regarding the location of any of CSI

Wireless’s approved service centers, contact CSI Wireless at the following

address:

Seres Reference Manualvi

Seres Reference Manual vii

Table of Contents

List of Figures...........................................................................................................................xiii

List of Tables.............................................................................................................................xv

Preface.....................................................................................................................................xvii

Organization.................................................................................................................xviii

Customer Service..........................................................................................................xix

World Wide Web Site..................................................................................................xx

Document Conventions................................................................................................xx

Notes, Cautions, and Warnings..................................................................................xx

Introduction ................................................................................................................................1

1.1 GPS...........................................................................................................................1

1.1.1 How it Works...........................................................................................1

1.1.2 GPS Services.............................................................................................2

1.2 Differential GPS......................................................................................................2

1.2.1 How it Works...........................................................................................3

1.2.2 Real-Time DGPS......................................................................................3

1.3 DGPS Format..........................................................................................................3

1.4 Factors Affecting DGPS Accuracy......................................................................4

1.4.1 Proximity of the Reference Station.......................................................5

1.4.2 Correction Latency..................................................................................7

1.4.3 Satellite Constellation Geometry...........................................................7

1.4.4 GPS Signal Multipath...............................................................................8

1.4.5 GPS Receiver Quality..............................................................................8

1.5 Space Based Augmentation Systems...................................................................8

Seres Reference Manualviii

1.5.1 How it Works.........................................................................................10

1.5.2 Signal Information ..................................................................................11

1.5.3 Reception.................................................................................................11

1.5.4 WAAS and ESTB Coverage.................................................................12

1.5.5 SBAS Ionospheric Map Extrapolation ................................................16

1.6 e-Dif –Extended Differential Option...............................................................19

1.7 COAST™ Technology........................................................................................21

1.8 Seres Information .................................................................................................21

2. Installation ...................................................................................................................24

2.1 System Parts List...................................................................................................24

2.2 Cable Interface......................................................................................................24

2.3 Seres Placement....................................................................................................25

2.4 Environmental Considerations..........................................................................25

2.5 Power Considerations.........................................................................................26

2.6 Methods of Mounting the Seres.........................................................................26

2.6.1 Magnetic Mount......................................................................................26

2.6.2 Surface Mount.........................................................................................27

2.6.3 Pole Mount..............................................................................................28

2.6.4 Powering the Seres................................................................................29

2.6.5 Connecting the Seres To External Devices......................................30

2.6.6 Routing and Securing the Cable.........................................................33

3. Seres Overview...........................................................................................................34

3.1 GPS Operation.....................................................................................................34

3.1.1 Automatic Tracking...............................................................................34

3.1.2 GPS Performance...................................................................................34

3.2 SBAS Operation ...................................................................................................35

3.2.1 Automatic Tracking...............................................................................35

Seres Reference Manual ix

3.2.2 SBAS Performance.................................................................................36

3.3 e-Dif Operation....................................................................................................37

3.3.1 Start-up....................................................................................................37

3.3.2 Calibration...............................................................................................37

3.3.3 e-Dif Performance..................................................................................37

3.4 Factory Default Parameters................................................................................38

3.5 Seres Architecture...............................................................................................39

3.5.1 Hardware.................................................................................................40

3.5.2 Firmware..................................................................................................40

3.5.3 Applications............................................................................................41

4. Seres Operation .........................................................................................................42

4.1 Powering the Seres..............................................................................................42

4.2 Communicating with the Seres..........................................................................42

4.2.1 NMEA 0183 Interface...........................................................................43

4.2.2 Binary Interface.......................................................................................44

4.2.3 RTCM SC-104 Protocol........................................................................44

4.3 Configuring the Seres..........................................................................................46

4.4 Changing the Application...................................................................................46

4.5 Configuring the Data Message Output............................................................46

4.5.1 This Port and the Other Port..............................................................46

5. NMEA 0183 Messages..............................................................................................48

5.1 NMEA Message Elements...................................................................................48

5.2 SLXMon..................................................................................................................49

5.3 General Commands.............................................................................................50

5.3.1 $JASC,D1.................................................................................................51

5.3.2 $JAIR.........................................................................................................51

5.3.3 $JASC,VIRTUAL.....................................................................................52

Seres Reference Manualx

5.3.4 $JALT........................................................................................................53

5.3.5 $JLIMIT.....................................................................................................54

5.3.6 $JAPP........................................................................................................54

5.3.7 $JBAUD....................................................................................................55

5.3.8 $JCONN..................................................................................................56

5.3.9 $JDIFF.......................................................................................................56

5.3.10 $JK ............................................................................................................57

5.3.11 $JPOS.......................................................................................................57

5.3.12 $JQUERY,GUIDE...................................................................................58

5.3.13 $JRESET...................................................................................................59

5.3.14 $JSAVE.....................................................................................................59

5.3.15 $JSHOW..................................................................................................60

5.3.16 $JT.............................................................................................................63

5.4 GPS Commands...................................................................................................63

5.4.1 $JASC.......................................................................................................64

5.4.2 $JAGE,age................................................................................................65

5.4.3 $JOFF........................................................................................................65

5.4.4 $JMASK....................................................................................................66

5.4.5 $JBIN.........................................................................................................66

5.4.6 $J4STRING..............................................................................................67

5.5 SBAS Commands..................................................................................................68

5.5.1 $JWAASPRN..........................................................................................69

5.5.2 $JGEO......................................................................................................70

5.5.3 $JRD1.......................................................................................................71

5.5.4 $JASC,RTCM...........................................................................................71

5.6 e-Dif Commands..................................................................................................72

5.6.1 $JRAD,1...................................................................................................73

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