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Summary of Contents for True Heading AIS-CTRX
- Page 1 OPERATION & INSTALLATION MANUAL AIS-CTRX Class B AIS Transponder Version 1.1E © True Heading 2006 The manual may not in any aspect be copied without the prior authorization from True Heading AB.
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Page 2: Table Of Contents
AIS-CTRX Class B AIS Transponder Manual TABLE OF CONTENTS TABLE OF CONTENTS....................2 REVISION ........................5 INTRODUCTION ......................6 GLOSSARY........................ 7 CONDITIONS ......................9 WARRANTY ......................10 General........................10 Warranty conditions ....................10 Warranty procedures ..................... 10 Other issues ......................10 SUPPORT ........................ - Page 3 AIS-CTRX Class B AIS Transponder Manual Field Programmer....................21 USING THE TRANSPONDER.................. 22 Switching on ......................22 Warning and Fault States ..................22 Data Port Messages ....................22 Information Transmitted and Received ..............23 Built in Test......................23 LED Indicators ....................... 23 Antennas .......................
- Page 4 AIS-CTRX Class B AIS Transponder Manual NOTES ........................37 DRAWINGS......................38 Packing List ......................38 Fixing Template (NOT TO SCALE) ............... 39 General Arrangement .................... 40 Cable Assemblies....................40 APPENDIX A ANTENNAS AND ANTENNA MOUNTING ........42 GPS Antenna......................42 VHF antenna for AIS use..................
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Page 5: Revision
AIS-CTRX Class B AIS Transponder Manual REVISION Version Date Responsible Approved Changes P1.0E 2006-11-22 Anders Bergström Nils Willart Preliminary release 1.0E 2006-11-23 Anders Bergström Nils Willart First release 1.1E 2007-11-22 Anders Bergstrom Nils Willart Change of pictures 1.1E LD2103... -
Page 6: Introduction
AIS-CTRX Class B AIS Transponder Manual INTRODUCTION We would like to thank you for choosing True Heading AB as supplier of your AIS-CTRX, AIS Class B Transponder. The AIS-CTRX is a high quality AIS Class B Transponder using the latest technology. -
Page 7: Glossary
AIS-CTRX Class B AIS Transponder Manual GLOSSARY (AIS) Regional Assignment Channel Assignment Message Acknowledgement (AIS) Channel management information source messages AFSK Audio frequency-shift keying (AIS) Alarm Message A to N Aid to Navigation Automatic Identification System Air Traffic Control BIIT... - Page 8 AIS-CTRX Class B AIS Transponder Manual Presentation Interface Radio Frequency RTCM Radio Technical Commission for Maritime Services Commission Receive or Receiver Radio frequency interference Specific Absorption Rate SELV Separated Extra Low Voltage Swedish Maritime Administration Short Message System Speed over Ground...
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Page 9: Conditions
AIS-CTRX Class B AIS Transponder Manual CONDITIONS Before you start using the AIS-CTRX product from True Heading AB it is important that you read and fully understand the installation manual and its instructions. You should only proceed with the installation if you are confident that you will be able to do so. -
Page 10: Warranty
- The warranty belongs to the person that purchased the product and cannot be handed over to a third party or person. - The warranty is not valid if serial number is missing, seals broken or if the AIS-CTRX has been incorrect installed. Neither is the warranty valid if instructions for connection have not been followed, faults caused by wrong usage, own made modifications or service made from none authorized service stations. -
Page 11: Support
The manufacturer can also give support direct: Email: support@trueheading.se or Fax: +46 8 54593900. Please register your purchase of AIS-CTRX with True Heading AB by sending an e-mail to register@trueheading.se stating the serial number, date of purchase, your name, address and your dealer’s name. -
Page 12: General Notice
AIS-CTRX Class B AIS Transponder Manual GENERAL NOTICE The Automatic Identification System (AIS) unit mostly utilise a Global Navigation Satellite System (GNSS) system such as e.g. GPS or GLONASS to determine position. The accuracy of these systems is variable and can be affected by factors such as the positioning of the antenna, the number of satellites available to determine a position and for how long satellite information has been received. -
Page 13: Licensing
Please contact the relevant authority in your country for more information. In accordance with our policy of continuous development and product improvement the AIS-CTRX hardware and/or software may be upgraded from time to time and future versions of the AIS-CTRX may therefore not correspond exactly with this manual. -
Page 14: Information About Ais
AIS-CTRX Class B AIS Transponder Manual INFORMATION ABOUT AIS General AIS (Automatic Identification System) is the name of a system that makes it possible for ships to identify other ships and to monitor ship movements. The reason for implementing the AIS system is for the mariner to obtain more information about ships in the vicinity than what radar is able to provide. -
Page 15: Short Technical Description Of Ais
Class B units are designed for fitting in vessels which do not fall into the mandatory Class A fit category. The AIS-CTRX is a Class B unit Position Information Source As noted above the marine AIS system uses position information derived from networks such as the Global Positioning Satellite (GPS) or the Global Navigation Satellite System (GLONASS) in order to determine the location of the AIS unit and thus the vessel to which it is fitted. -
Page 16: Limitations With Ais
AIS-CTRX Class B AIS Transponder Manual transmitted every sixth minute or upon request from other units. Position, course and speed normally are collected from the same sensor systems that provides the same information used in the navigation e.g. in radars or ECDIS and this is normally based on GPS or DGPS. All ships within VHF coverage will be able to receive AIS data and competent authorities that have installed networks with coastal AIS coverage can receive the information. -
Page 17: Product Specification
AIS-CTRX Class B AIS Transponder Manual PRODUCT SPECIFICATION 190 x 135 x 83 mm (L x W x H) Dimensions: 1,45 kg Weight: DC (9.6-15.6V) Power: Average power consumption 4W Peak current rating 2A IEC 61108-1 compliant GPS Receiver (AIS Internal): Electrical Interfaces: RS232 38.4kBaud bi-directional... -
Page 18: Declaration Of Conformity
EN60950-1:2002 Information technology equipment – Safety – Part 1: General requirements Declaration of Conformity True Heading AB declares that this product is in compliance with the essential requirements and other provisions of the R&TTE directive 1995/5/EC. The product carries the CE mark, notified body number and alert symbol as required by the R&TTE... -
Page 19: Installing The Ais-Ctrx Unit
WARNING: Do not connect the AIS-CTRX unit to mains (line) AC electrical supply, as an electric shock or fire hazard could result. CAUTION: Do not connect the AIS-CTRX unit to a DC supply exceeding 15.6 V or reverse the supply polarity. Damage to the unit may result. -
Page 20: Physical Mounting
Note that the software in the display device must be configured for AIS operation AND to accept standard Class B operation NMEA sentences. This external display unit software is not part of the AIS-CTRX transponder package. -
Page 21: Programming The Transponder
This software is designed to be installed on a PC and to use the data lead provided as standard with the AIS-CTRX unit. If the PC being used for programming does not have a 9-pin serial port then a commercially available USB to serial adaptor may be required. This connects between the supplied data lead and the PC. -
Page 22: Using The Transponder
Reception of other vessel AIS information by the AIS-CTRX is not affected. When the unit is able to commence reporting the yellow LED goes out. -
Page 23: Information Transmitted And Received
(COG), speed over ground (SOG) and heading. Built in Test The AIS-CTRX unit is equipped with Built In Integrity Testing (BIIT). BIIT tests run continuously or at appropriate intervals simultaneously with the standard functions of the equipment. The BIIT detects any failure or malfunction that will significantly reduce integrity or stop operation of the AIS-CTRX unit. -
Page 24: Antennas
SRM Button (Silent mode) The AIS-CTRX can be put in “silent” mode meaning that the transmitter will stop to transmit data on the VHF channel and the AIS-CTRX will only receive data from other AIS units. This feature is enabled by pushing the SRM button for 3 seconds. -
Page 25: Maintenance
MAINTENANCE Unauthorised opening of the AIS-CTRX system will invalidate the warranty. WARNING: Avoid using chemical solvents to clean the AIS-CTRX as some solvents can damage CAUTION: the case material. The AIS-CTRX contains no user serviceable parts. Contact your Service Agent for NOTE: repair if replacing the fuse fails to make the equipment serviceable. -
Page 26: Serial Data Interface
A minimum keypad and display (MKD) unit, chart plotter or other display device may be connected to the AIS-CTRX unit via the appropriate cable assembly. The default baud rate of the data link is 38.4kBaud with 8 data bits, one stop bit and no parity. No handshaking is used. - Page 27 AIS-CTRX Class B AIS Transponder Manual VDM Message Format !--VDM,x1,x2,x3,a,s--s,x*hh<CR><LF> Where • x1 = Total number of sentences needed to transfer the message , 1 to 9 • x2 = Sentence number, 1 to 9 • x3 = Sequential message identifier, 0 to 9 •...
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Page 28: Vhf Data Link Own Vessel Messages (Nmea 0183 Vdo)
Regional Assignment Channel Assignment Message (NMEA 0183 ACA) An AIS-CTRX unit can receive regional channel management information in two ways: ITU-R M.1371 message 22 or a DSC telecommand received on channel 70, ACA Message Format $--ACA,x,llll.ll,a,yyyyy.yy,a,llll.ll,a1,y1y1y1y1y.y1y1,a2,x1,x2x2x2x2,x3,x4x4x4x4,... -
Page 29: Channel Management Information Source Messages (Nmea 0183 Acs)
AIS-CTRX Class B AIS Transponder Manual • x7 = Power level control • a3 = Information source • x8 = In-Use Flag • hhmmss.ss = Time of "in-use" change Channel management information source messages (NMEA 0183 ACS) This sentence is used in conjunction with the ACA sentence and identifies the originator of an ACA message. -
Page 30: Ack Messages
AIS-CTRX Class B AIS Transponder Manual ACK messages Can be generated by a minimum keypad and display (MKD) unit, chart plotter or other display device connected to the AIS-CTRX to acknowledge an alarm condition reported by the AIS-CTRX. $--ACK,xxx*hh <CR><LF> •... -
Page 31: Antenna Connections
GPS Antenna This is a TNC female bulkhead connector mounted under the unit top cover. This port provides the 5V DC feed for the active GPS antenna required by the AIS-CTRX unit. VHF antenna This is a BNC female bulkhead connector mounted under the unit top cover. -
Page 32: Operational Guidelines For Ais-Ctrx
AIS-CTRX Class B AIS Transponder Manual OPERATIONAL GUIDELINES FOR AIS-CTRX AIS-CTRX has four (4) led indicators to help with status monitoring of the AIS Class B Transponder. AIS-CTRX will give several possibilities to enhance the navigational safety as a complement to e.g. - Page 33 AIS-CTRX Class B AIS Transponder Manual AIS Class A Transponders will transmit the following data that can be received from your AIS-CTRX: Static Information Dynamic Information Voyage related Information Name Position D estination Type of ship S peed Over Ground...
- Page 34 AIS-CTRX Class B AIS Transponder Manual Picture 12 Example how AIS is presented in the software HORIZON from ICAN. Picture 13 Example how AIS is presented in SeaClear. Picture 14 Example how AIS is presented in AIS Yacht. 1.1E LD2103...
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Page 35: Faq
A: GPS signal can be divided with a splitter as well but will cause some loss of signal strenght. GPS splitters are available through True Heading as well. Q: What type of GPS and VHF antenna do I need for my AIS-CTRX? A: The GPS antenna should at least fulfil the following requirements: Antenna type: RHCP, patch or quadrifilar type. - Page 36 AIS. Ask your network provider for further information. Q: I do not have a serial port on my computer, how can I then get the data from my AIS-CTRX into the A: Today serial to USB format converters can be found in most computer shops. True Heading can also provide such converters upon request.
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Page 37: Notes
AIS-CTRX Class B AIS Transponder Manual NOTES 1.1E LD2103... -
Page 38: Drawings
AIS-CTRX Class B AIS Transponder Manual DRAWINGS Packing List RE VIS ION HIS T ORY RE V DES CR IPT ION DAT E APPR OVE D PRODUCT ION RELEAS E 23/2/06 MAGNET P ACK REMOVED 15/6/06 T HIRD ANGLE PROJECT ION IT EM S RT P ART No. -
Page 39: Fixing Template (Not To Scale)
AIS-CTRX Class B AIS Transponder Manual Fixing Template (NOT TO SCALE) REVIS ION HIS T ORY APPROVED DES CRIPT ION DAT E MOUNT ING HOLES IN BAS E PLAT E ARE O5.5 T O S UIT M5 S CREWS MOUNT ING HOLE... -
Page 40: General Arrangement
AIS-CTRX Class B AIS Transponder Manual General Arrangement RE VI S I O N H IS T O RY RE V DES CRI P T ION DAT E AP PR O VE D P RODUC T I O N RE L EASE... - Page 41 AIS-CTRX Class B AIS Transponder Manual /BLACK /RED POWER AND DATA CABLE ASSEMBLY LD 2122 1.1E LD2103...
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Page 42: Appendix Aantennas And Antenna Mounting
An antenna should be selected with a gain (in dB) depending on the length of cable between the antenna and the AIS unit; after subtraction of cable and connector losses a minimum total gain of 25 dB should be available at the AIS-CTRX unit GPS antenna connector. - Page 43 AIS-CTRX Class B AIS Transponder Manual Radio Frequency Exposure To meet the requirements for Radio Frequency Exposure it is necessary to install the VHF antenna correctly and operate the AIS equipment according to the instructions. The table below shows suitable safety distances to other equipment that could cause interference with the AIS Class B Transponder.
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