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GB/T 29485-2025: Ships and marine technology - Electric rudder angle indicators
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Std ID	Version	USD	Buy	Deliver [PDF] in	Title (Description)
GB/T 29485-2025	English	214	Add to Cart	3 days [Need to translate]	Ships and marine technology - Electric rudder angle indicators
GB/T 29485-2013	English	154	Add to Cart	3 days [Need to translate]	Ship and marine technology -- Electric rudder angle indicators

GB/T 29485-2025: Ships and marine technology - Electric rudder angle indicators

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 47.020.60 CCSU65 National Standards of the People's Republic of China Replaces GB/T 29485-2013 Marine and Ocean Technology Electrical Rudder Angle Indicator (ISO 20673.2022, IDT) Published on 2025-10-31 Implemented on May 1, 2026 State Administration for Market Regulation The State Administration for Standardization issued a statement.

Foreword

This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents". Drafting. This document supersedes GB/T 29485-2013 "Electrical Rudder Angle Indicators for Ships and Marine Technology" and is consistent with GB/T 29485-2013. Compared to previous versions, aside from structural adjustments and editorial changes, the main technical changes are as follows. a) Added specifications for displays (see 4.1); b) Added provisions for alarms (see 4.4); c) Added requirements for displays used for information display (see 6.1); d) Added alarm testing requirements (see 6.6); e) The requirements for the interface have been changed (see Chapter 7, Chapter 7 of the.2013 edition). This document is equivalent to ISO 20673.2022 "Electrical rudder angle indicators for marine and marine technologies". Please note that some content in this document may involve patents. The issuing organization of this document assumes no responsibility for identifying patents. This document was proposed and is under the jurisdiction of the National Technical Committee on Standardization of Marine Electrical and Electronic Equipment (SAC/TC531). This document was drafted by. the 704 Research Institute of China Shipbuilding Industry Corporation, Xiamen Institute of Metrology and Testing, and Zhoushan Changhong International. Shipbuilding and Repair Co., Ltd., Qingdao Ocean Shipping Mariners Vocational College, China Merchants Jinling Shipbuilding (Nanjing) Co., Ltd., Nanjing Zehai Marine Electrical Equipment Co., Ltd. Limited Liability Company, Shanghai Ziyi Marine Instrument Co., Ltd. The main drafters of this document are. Wang Shuo, Ma Weiliang, Zheng Peng, Deng Lijuan, Zheng Weifeng, Zeng Yongwei, Wang Jiazheng, Zhang Rui, Yu Fengwei, and Li Yongpeng. Ma Chuan, Yin Haibo, Chen Jian, Tong Chunying, Qiu Laixian, Liu Lin, Zhang Jingao. The release history of this document and the document it replaces is as follows. ---First published in.2013 as GB/T 29485-2013; ---This is the first revision. Marine and Ocean Technology Electrical Rudder Angle Indicator

1 Scope

This document specifies the structure, performance requirements, test methods, and required test results for electric rudder angle indicators, based on SO 1974. The requirements of Section 19.2.5.4 of Chapter V of the LAS (2000 Amendments). Where the requirements of this document differ from those of IEC 60945, the requirements of this document shall prevail.

2 Normative references

The contents of the following documents, through normative references within the text, constitute essential provisions of this document. Dated citations are not included. For references to documents, only the version corresponding to that date applies to this document; for undated references, the latest version (including all amendments) applies. This document. IEC 60945 Marine navigation and radio communication equipment and systems - General requirements, test methods and required test results (Ma- Note. GB/T 15868-1995 General requirements and test methods for marine radio equipment and marine navigation equipment for Global Maritime Distress and Safety Systems (CMDSS). and the required test results (IEC 60945.1994, IDT) IEC 61162-1 Digital interfaces for marine navigation and radio communication equipment and systems – Part 1.Single transmitters and multiple receivers IEC 61162-2 Digital interfaces for marine navigation and radio communication equipment and systems – Part 2.Single transmitters and multiple receivers Note. GB/T 31843.2-2019 Digital Interfaces for Marine Navigation and Radio Communication Equipment and Systems Part 2.Single Transmitter and Multiple Receiver High-Reception Interfaces High-speed transmission (IEC 61162-2.1998, IDT) IEC 61162-450 Digital interfaces for marine navigation and radio communication equipment and systems – Part 450.Multiplexers and multiplex receivers Note. GB/T 31843.450-2019 Digital Interfaces for Marine Navigation and Radio Communication Equipment and Systems - Part 450.Multiple Transmitters and Multiple Receivers Ethernet connectivity (IEC 61162-450.2018, IDT) IEC 62288 Marine navigation and radio communication equipment and systems - General purpose of displaying navigation information on marine navigation displays. IEC 62923-1 Marine navigation and radio communication equipment and systems - Bridge alarm management - Part 1.Operational and performance requirements (required test results) ...