Vector 000 Specifikace

i CRESCENT VECTOR OEM INTEGRATOR’S MANUAL Part Number: 875-0161-000 Date: December 2005

10 CHAPTER 2: INTRODUCTION OVERVIEW This chapter provides a brief introduction to the Crescent Vector module and some of its high-level features.

11POSITIONING ACCURACY The Crescent Vector is a sub-meter 95% accurate product under ideal conditions horizontally (minimum error). To determine th

12The SBAS demodulator features two-channel tracking that provides an enhanced ability to maintain acquisition on a SBAS satellite in regions where

13shorter period of time. COAST technology provides more consistent positioning during periods when signal loss occurs, thus bridging the gap to wh

14We make a DOS-based RINEX translator available, however, RINEX has no facility to store station information. Our translator is available by cont

15Product B’s specification of sub-meter rms, you can see the first Product A would offer better performance. To properly evaluate one receiver agai

16CHAPTER 3: CRESCENT VECTOR MODULE UNDERSTANDING THE CRESCENT VECTOR OEM The purpose of the Crescent Vector OEM board is to provide accurate, reli

17Height 20 mm (0.8”) Weight 55 g (1.9oz) Environmental Specifications Item Specification Storage temperature -40°C to 85°C Operating tempera

18TECHNICAL DRAWING Figure 3-1 below is a technical drawing for the Crescent Vector OEM board. Figure 3-1. Technical Drawing.

19 CONNECTORS The following table details the connectors used by the Crescent Vector module. We have also provided information on the mating connec

ii COPYRIGHT NOTICE  Copyright 2005 CSI Wireless Inc. All rights reserved. No part of this manual may be stored in a retrieval system, transmitte

20CRESCENT VECTOR OEM PIN OUT The Crescent Vector OEM module uses a 34-pin (17 pins by 2 rows) header connector for interfacing to power, communica

21SIGNALS This section provides more detail on the signals available via the 34-pin header connector. RF INPUT The Crescent Vector module is designe

22If used, Port D will free up the task of Port A, B or C from being used for external correction input. If you wish to support external correctio

23The Event Marker input is active low 3.3 V HCMOS with falling edge synchronization. The input impedance and capacitance is higher than 10 kΩ and

Crescent Integrator’s Manual 24CHAPTER 4: CRESCENT VECTOR OPERATION This chapter introduces the general operational features of the Crescent Vector

25• Install the Antenna Array in a horizon (as best as can be accomplished - this will provide a foundation for performance success when the intern

Crescent Integrator’s Manual 26 COMMUNICATING WITH THE CRESCENT VECTOR MODULE The Crescent Vector features three primary serial ports that may be con

27BINARY INTERFACE Binary messages may be output from the Crescent Vector simultaneously as NMEA 0183 data. Binary messages have a proprietary defi

Crescent Integrator’s Manual 28reference station and the remote unit – typically an additional 1 m error per 100 miles. This error is often seen as

29For example, if you are communicating with the Crescent Vector Port B, and wish to turn the GPGGA message on at an update rate of 5 Hz on Port A,

iii Products are not intended for primary navigation or for use in safety of life applications. The potential accuracy of Products as stated in CSI

Crescent Integrator’s Manual 30 • Type 1 • Type 2 • Type 3 • Type 5 • Type 6 • Type 7 • Type 9 • Type 16 To return to using SBAS as the cor

31CHAPTER 5: POCKETMAX & POCKETMAX PC Hemisphere GPS offers configuration utilities designed for use with Hemisphere’s SLX, SX-1 and Crescent ba

Crescent Integrator’s Manual 32may have specified, and can output a mixture of binary and NMEA data.

33CHAPTER 6: CRESCENT VECTOR COMMANDS This section details the various settings that relate to the GPS heading aspect of the Crescent Vector OEM hea

Crescent Integrator’s Manual 34To query the Crescent Vector for the current status of this feature, issue the following command. $JATT,TILTAID<CR&

35below. You may wish to follow this procedure if you need the gyro fully calibrated at a certain time. When your Crescent Vector unit is installed,

Crescent Integrator’s Manual 36To show the current antenna separation, issue the following command. $JATT,MSEP<CR><LF> $JATT,HTAU The hea

37constant is 0.5 seconds of smoothing. Increasing the time constant will increase the level of pitch smoothing. The following command is used to

Crescent Integrator’s Manual 38You may query the Crescent Vector for the current heading rate time constant by issuing the same command without an ar

39Where ‘tau’ is the new time constant that falls within the range of 0.0 to 200.0 seconds. The setting of this value depends upon the expected dyna

4 TABLE OF CONTENTS Chapter 1: Quick Start ... 7 Receiving Your Ship

Crescent Integrator’s Manual 40To determine what the current pitch compensation angle is, send the following message to the Crescent Vector. $JATT,PB

41$JATT,SEARCH You may force the Crescent Vector to reject the current RTK heading solution, and have it begin a new search with the following comma

Crescent Integrator’s Manual 42Field Description htau This data field provides the current heading time constant in seconds hrtau This data field

43RMTL Value Roll Tilt Aiding Level 0 Off Off Off 1 Off Off On 2 Off On Off 3 Off On On 8 On Off Off 9 On Off On A On On Off B

Crescent Integrator’s Manual 44CHAPTER 7: CRESCENT VECTOR EVALUATION SYSTEM This chapter describes the Crescent Vector Evaluation system as a complet

45• Do not run the extension cable through door or window jams • Keep the cable away from rotating machinery • Do not bend excessively or crimp t

Crescent Integrator’s Manual 46POWERING THE CRESCENT VECTOR EVALUATION SYSTEM The first step to powering the Crescent Vector Evaluation system is to

47Table 7-2 Port A Pin-out, RS-232C Interface Level Pin Signal Description 2 TXD NMEA 0183, binary, and RTCM output 3 RXD NMEA 0183, binary, a

Crescent Integrator’s Manual 48Figure 7-2 displays the numbering scheme for extension cable’s DB9 socket connectors (female). The associated numberi

49Table 7-8 Default GPS NMEA Message Output Port GPS NMEA Messages Update Rate A,B,C GGA, GSV, VTG, ZDA, HDT, ROT 1 Hz Table 7-9 Default Paramete

5 Configuring the Data Message Output ...28 This Port and the Other Port ...

Crescent Integrator’s Manual 50Table 7-10 LED Indicator Definition LED Color Function POWER Red Power indicator – when the Crescent Vector is pow

51 CHAPTER 8: TROUBLESHOOTING Use the following checklist to troubleshoot anomalous Crescent Vector receiver operation. Table 8-1 provides a proble

Crescent Integrator’s Manual 52grounds must be connected) • There is only differential positioning enabled for the Primary receiver and RTCM correct

6 LIST OF TABLES Table 1-1 Default Applications... 8 Table 1-2 Default Port Se

7 CHAPTER 1: QUICK START RECEIVING YOUR SHIPMENT If you find that any of the items are damaged due to shipment, please contact the freight carrier i

8 Where appropriate, relevant commands for making the configuration changes are discussed in the following chapters. Chapter 6, however, is devote

9 Table 1-2. Default Port Settings Port Baud Rate Data Bits Parity Stop Bit Interface Level A, B and C 19200 8 None 1 3.3 V CMOS D 9600