1、November 2015English price group 10No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).ICS 47.020.70!%GK“2365740www.din.deD
2、IN ISO 22090-2Ships and marine technology Transmitting heading devices (THDs) Part 2: Geomagnetic principles (ISO 22090-2:2014),English translation of DIN ISO 22090-2:2015-11Schiffe und Meerestechnik Steuerkurstransmitter (THDs) Teil 2: Geomagnetische Verfahren (ISO 22090-2:2014),Englische bersetzun
3、g von DIN ISO 22090-2:2015-11Navires et technologie maritime Dispositifs de transmission de donnes de pilotage Partie 2: Principes gomagntiques (ISO 22090-2:2014),Traduction anglaise de DIN ISO 22090-2:2015-11SupersedesDIN ISO 22090-2:2013-01www.beuth.deDTranslation by DIN-Sprachendienst.In case of
4、doubt, the German-language original shall be considered authoritative.Document comprises 15 pages11.15 2DIN ISO 22090-2:2015-11A comma is used as the decimal marker. Contents Page National foreword . 3 National Annex NA (informative) Bibliography . 4 1 Scope . 5 2 Normative references . 5 3 Terms an
5、d definitions 6 4 Performance requirements 7 4.1 Functionality 7 4.2 Information . 7 4.3 Fore-and-aft mark 8 4.4 Heading information . 8 4.5 Electrical wiring 8 4.6 Non-magnetic housing . 8 4.7 Alert signal 8 4.8 Interface . 8 5 Accuracy 9 5.1 General 9 5.2 Accuracy of transmission data 9 5.3 Static
6、 error (settle point error) 9 5.4 Dynamic error . 9 5.5 Follow-up error. 9 5.6 Settling time requirements to the directional system 9 5.7 Correcting the magnetic heading by magnetic variations . 9 5.8 Adjusting of magnetic deviations and heeling error . 9 5.9 Means of adjusting the deviation by vert
7、ical soft iron of the ship 10 5.10 Protection of correcting devices . 10 6 Type tests . 10 6.1 General. 10 6.2 Transmission error test 10 6.3 Fore-and-aft mark test 11 6.4 Static error test 11 6.5 Follow-up error test . 11 6.6 Settling time test 11 6.7 Tests for correcting the magnetic heading by ma
8、gnetic variations . 11 6.8 Tests for adjusting magnetic deviations 12 6.9 Tests for the means of adjusting the deviation by vertical soft iron 12 6.10 Dynamic accuracy . 12 6.11 Interface test . 12 6.12 Malfunction test . 12 7 Marking and identification 12 Annex A (informative) Equivalent requiremen
9、ts in ISO 22090-2 and IMO Resolution MSC.116(73) 14 Bibliography . 15 3DIN ISO 22090-2:2015-11National foreword This document (ISO 22090-2:2014) has been prepared by Technical Committee ISO/TC 8 “Ships and marine technology”, Subcommittee SC 6 “Navigation”. The responsible German body involved in it
10、s preparation was the DIN-Normenstelle Schiffs- und Meerestechnik (DIN Standards Committee Shipbuilding and Marine Technology), Working Committee NA 132-03-10 AA Navigation. DIN ISO 22090 consists of the following parts, under the general title Ships and marine technology Transmitting heading device
11、s (THDs): Part 1: Gyro-compasses Part 2: Geomagnetic principles Part 3: GNSS principles Annex A is for information only. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. DIN shall not be held responsible for identifying any or all
12、such patent rights. Users should note that there is some disagreement between the definitions of identical terms in the three parts of this standard. The same applies to some notes and is due to the fact that the original English versions had not been drafted in a uniform manner. The DIN Standards c
13、orresponding to the International Standards referred to in Clause 2 of this standard are as follows: IEC 60945 DIN EN 60945 and Corrigendum 1 to DIN EN 60945 IEC 61162-1 DIN EN 61162-1 and Corrigendum 1 to DIN EN 61162-1 IEC 61162-2 DIN EN 61162-2 IEC 61924-2 DIN EN 61924-2 and Corrigendum 1 to DIN
14、EN 61924-2 ISO 11606 DIN EN ISO 11606 ISO 25862 DIN ISO 25862 Amendments This standard differs from DIN ISO 22090-2:2013-01 as follows: a) the requirements for heading information given in 4.4 have been amended, details regarding interface are now given in 4.8; b) Subclause 4.7 has been provided wit
15、h a new heading “Alert signal”, the text has been amended in accordance with the new IMO Resolutions: provision of an interface for alert communications to indicate malfunctions of the heading transmission system (THD) or a failure of the power supply has been specified, and the data to be communica
16、ted according to the relevant IEC Publication in case of alert, have been laid down; c) a new Subclause 4.8 “Interface” with requirements regarding the interface for heading output and heading information to be communicated according to the relevant IEC Publication has been included; d) Subclause 5.
17、11 has been dropped, the new updating rate (now once per 20 ms) is now specified in 4.8 and 6.11; 4DIN ISO 22090-2:2015-11e) a new Subclause 6.11 with test requirements for the interface facilities specified in 4.7 and 4.8 has been included; f) in Annex A, the correlation of clauses and subclauses i
18、n ISO 22090-2 with those in IMO Resolution MSC.116 (73) has been corrected. Previous editions DIN ISO 22090-2: 2013-01 National Annex NA (informative) Bibliography DIN EN 60945, Maritime navigation and radiocommunication equipment and systems General require-ments Methods of testing and required tes
19、t results Corrigendum 1 to DIN EN 60945, Maritime navigation and radiocommunication equipment and systems General requirements Methods of testing and required test results DIN EN 61162-1, Maritime navigation and radiocommunication equipment and systems Digital inter-faces Part 1: Single talker and m
20、ultiple listeners Corrigendum 1 to DIN EN 61162-1, Maritime navigation and radiocommunication equipment and systems Digital interfaces Part 1: Single talker and multiple listeners (IEC Cor.:2013 to IEC 61162-1:2010) DIN EN 61162-2, Maritime navigation and radiocommunication equipment and systems Dig
21、ital inter-faces Part 2: Single talker and multiple listeners, high-speed transmission DIN EN 61924-2, Maritime navigation and radiocommunication equipment and systems Integrated navigation systems Part 2: Modular structure for INS Operational and performance requirements, methods of testing and req
22、uired test results Corrigendum 1 to DIN EN 61924-2, Maritime navigation and radiocommunication equipment and systems Integrated navigation systems Part 2: Modular structure for INS Operational and perfor-mance requirements, methods of testing and required test results (IEC Cor.:2013 to IEC 61924-2:2
23、012) DIN EN ISO 11606, Ships and marine technology Marine electromagnetic compasses DIN ISO 25862, Ships and marine technology Marine magnetic compasses, binnacles and azimuth reading devices 1 ScopeThis part of ISO 22090 specifies the construction, performance, and testing of a device employing onl
24、y magnetic means as transmitting heading devices required by chapter V, SOLAS 1974 (as amended).A Transmitting Heading Device (THD) is an electronic device that provides information about the ships true heading.In addition to the general requirements contained in IMO Resolution A.694(17) to which IE
25、C 60945 is associated and the relevant standard for the sensing part used, the THD equipment shall comply with the following minimum requirements.Where the IMO performance standards which apply to the sensing part do not specify a geographical operating area the THD shall operatea) at a minimum rate
26、 of turn 20 /s andb) from 70 latitude south to 70 latitude north as a minimum.The THDs complying with the requirements contained in this part of ISO 22090 can be used for heading information as contained in chapter V of the SOLAS Convention.In addition such THDs are intended to meet the dynamic requ
27、irements contained in the HSC Code, chapter 13 for the carriage of a suitable device providing heading information.NOTE 1 Several technologies can be used to detect and transmit heading information. It is illogical to standardize the detection of the heading separately from the transmission of the h
28、eading. Therefore, separate parts of this part of ISO 22090 refer to different technologies. The requirements of this part of ISO 22090 only apply to the principle of the geomagnetic. Other technologies are covered in other parts of ISO 22090.NOTE 2 All requirements that are extracted from the recom
29、mendation of IMO Resolution MSC.116(73) on performance standards for transmitting heading devices are printed in italics.A standard magnetic compass with a pickup sensor could be applied as a sensing part of this standard of geomagnetic principle. However the IMO performance resolution MSC.116(73) r
30、equires that the THD is intended to be met for the dynamic requirements of the HSC code. Nevertheless, when the THD would be only used other than the HSC, the limit of rate of turn may be 6 /s instead of 20 /s.2 Normative referencesThe following documents, in whole or in part, are normatively refere
31、nced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 11606, Ships and marine technology Marine electromagnetic compassesISO 2
32、5862, Ships and marine technology Marine magnetic compasses, binnacles and azimuth reading devicesShips and marine technology Transmitting heading devices (THDs) Part 2: Geomagnetic principles 5DIN ISO 22090-2:2015-11IEC 60945, Marine navigation and radiocommunication equipment and systems General r
33、equirements Methods of testing and required test resultsIEC 61162-1, Marine navigation and radiocommunication equipment and systems Digital interfaces Part 1: Single talker and multiple listenersIEC 61162-2, Maritime navigation and radiocommunication equipment and systems Digital interfaces Part 2:
34、Single talker and multiple listeners, high-speed transmissionIEC 61924-2, Maritime navigation and radiocommunication equipment and systems Integrated Navigation Systems (INS) Part 2: Modular structure for INS Operational and performance requirements, methods of testing and required test resultsIMO R
35、esolution MSC.116(73), Performance standards for marine transmitting heading devices (THDs)IMO Resolution A.424(XI), Performance standards for gyro-compassesIMO Resolution A.821(19), Performance standards for gyro-compasses for high-speed craftIMO Resolution MSC.252(83), Adoption of the revised perf
36、ormance standards for integrated navigation system (INS)IMO Resolution MSC.302(87), Adoption of performance standards for bridge alert management3 Terms and definitionsFor the purposes of this document, the following terms and definitions apply.3.1geomagnetic principleprinciple of the THDs depending
37、 (for its directional properties) upon the magnetism of the earth.Note 1 to entry: A type to directly detect geomagnetic field is called the electromagnetic-compass-type THD (see ISO 11606), while a type to detect magnetic field via standard magnetic compass is called the magnetic-compass-type THD (
38、see ISO 25862).3.2headingships heading to be input to the THD functionNote 1 to entry: It is defined by the direction of the vertical projection of the fore-and-aft line of the ship onto the horizontal plane. When measured relative to the true north, magnetic north, or compass north, it is respectiv
39、ely defined as true heading, magnetic heading, or compass heading, and is usually expressed in degrees as a three-figure group, starting from north, in a clockwise direction around the compass card3.3true headinghorizontal angle between the vertical plane passing through the true meridian and the ve
40、rtical plane passing through the crafts fore-and-aft datum line, measured from true north (000) clockwise through 3603.4magnetic compassinstrument designed to seek the direction of magnetic north in azimuth and to hold that direction permanently3.5magnetic sensormagnetic sensing part which detects t
41、he geomagnetic field concerning heading information with or without a magnetic compass and outputs the information to a processor6DIN ISO 22090-2:2015-113.6processordevice which obtains the ships magnetic heading information for a transmitting part by adjusting the magnetic deviations3.7transmitting
42、 partdevice which receives heading information from the sensing part and converts this to the required accurate signal3.8sensing partsensing function of detecting any heading information connected to the transmitting device3.9follow-up errorerror caused by the delay between the existence of a value
43、to be sensed and the availability of the corresponding signal or data stream at the output of the systemEXAMPLE The difference between the real heading of the turning vessel and the available information at the output of the system.Note 1 to entry: A follow-up error disappears when the system is sta
44、tic.3.10transmission and resolution errorerror which is caused by the method used to transmit the original information to a receiving deviceNote 1 to entry: Such a method may have a limited capability to code any possible value of the information, e.g. step output with 1/6 resolution. This error is
45、caused by the method used inside the THD and at its output to code the information.3.11static errorerror caused by any reason and which stays unchanged in value during the operation of the system, measured under static conditions3.12dynamic errorerror caused by dynamic influences acting on the syste
46、m, such as vibration, roll, pitch, or linear accelerationNote 1 to entry: This error may have an amplitude and usually a frequency related to the environmental influences and the parameters of the system itself.4 Performance requirements4.1 FunctionalityGeomagnetic principles of THDs detect the hori
47、zontal component of geomagnetic field and generates a ships true heading signal for other devices.In one type of sensor which utilizes a magnetic compass, the performances and requirements of the compass shall conform to the ones referred to ISO 25862 and the other type of the sensor shall fulfil th
48、e performance requirements concerning the marine electromagnetic compasses in ISO 11606.4.2 Information4.2.1 All displays with the exception of the sensor, and all outputs of heading shall indicate true heading.4.2.2 Manually entered values used for electronic correction shall be indicated by adequa
49、te means.7DIN ISO 22090-2:2015-114.3 Fore-and-aft markOn the bottom part of the binnacle and/or the housing of the sensor system, a fore-and-aft mark shall be inscribed to facilitate installation in the fore-and-aft line of the ship. The units shall be installed on the fore-and-aft line of the ship. In magnetic-compass-type THDs, it shall be in the vertical plane passing through the centre of the compass card and the ma
