Small Craft - Electrical/electronic control system for steering, shift and throttle (ISO 25197:2020)

EN-ISO 25197 establishes the requirements for the design, construction and testing of electrical/electronic steering, shift and throttle systems and dynamic positioning control systems, or combinations thereof, on small craft of up to 24 m length of hull.This document does not apply to electric trolling motors and autopilot systems on sailing craft.

Kleine Wasserfahrzeuge - Elektrische/elektronische Regelungssysteme für Steuerung, Schaltung und Antrieb (ISO 25197:2020)

Dieses Dokument legt die Anforderungen für den Entwurf, die Ausführung und die Prüfung von elektrischen/elektronischen Systemen für die Steuerung, Getriebeschaltung und die Drehzahlregelung, sowie von dynamischen Positionskontrollsystemen oder Kombinationen davon auf kleinen Wasserfahrzeugen mit einer Rumpflänge bis 24 m fest.
Dieses Dokument gilt nicht für elektrische Außenbordmotoren und Schiffs-Voraus-Steuerungssysteme auf Segelfahrzeugen.

Petits navires - Système électrique/électronique pour le contrôle de la direction, de l'inverseur et des gaz (ISO 25197:2020)

Le présent document établit les exigences relatives à la conception, la construction et les essais des systèmes électriques/électroniques de contrôle de la direction, de commandes d'inverseur, des gaz et de positionnement dynamique, ou de leur combinaison, sur les petits navires d'une longueur de coque inférieure ou égale à 24 m.
Le présent document ne s'applique pas aux moteurs électriques de pêche à la traîne et aux pilotes automatiques installés sur les voiliers.

Mala plovila - Električni/elektronski regulacijski sistem za krmarjenje, prestavljanje in pogon (ISO 25197:2020)

General Information

Status
Published
Public Enquiry End Date
28-Jan-2019
Publication Date
18-May-2020
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
12-May-2020
Due Date
17-Jul-2020
Completion Date
19-May-2020

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SLOVENSKI STANDARD
SIST EN ISO 25197:2020
01-julij-2020
Nadomešča:
SIST EN ISO 25197:2018

Mala plovila - Električni/elektronski regulacijski sistem za krmarjenje, prestavljanje

in pogon (ISO 25197:2020)

Small Craft - Electrical/electronic control system for steering, shift and throttle (ISO

25197:2020)

Kleine Wasserfahrzeuge - Elektrische/elektronische Regelungssysteme für Steuerung,

Schaltung und Antrieb (ISO 25197:2020)

Petits navires - Système électrique/électronique pour le contrôle de la direction, de

l'inverseur et des gaz (ISO 25197:2020)
Ta slovenski standard je istoveten z: EN ISO 25197:2020
ICS:
47.020.60 Električna oprema ladij in Electrical equipment of ships
konstrukcij na morju and of marine structures
47.080 Čolni Small craft
SIST EN ISO 25197:2020 en,fr,de

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN ISO 25197:2020
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SIST EN ISO 25197:2020
EN ISO 25197
EUROPEAN STANDARD
NORME EUROPÉENNE
April 2020
EUROPÄISCHE NORM
ICS 47.080 Supersedes EN ISO 25197:2018
English Version
Small craft - Electrical/electronic control systems for
steering, shift and throttle (ISO 25197:2020)

Petits navires - Systèmes électriques/électroniques Kleine Wasserfahrzeuge - Elektrische/elektronische

pour le contrôle de la direction, de l'inverseur et des Regelungssysteme für Steuerung, Schaltung und

gaz (ISO 25197:2020) Antrieb (ISO 25197:2020)
This European Standard was approved by CEN on 7 March 2020.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this

European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references

concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN

member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by

translation under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management

Centre has the same status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway,

Poland, Portugal, Republic of North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and

United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels

© 2020 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN ISO 25197:2020 E

worldwide for CEN national Members.
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SIST EN ISO 25197:2020
EN ISO 25197:2020 (E)
Contents Page

European foreword ....................................................................................................................................................... 3

Annex ZA (informative) Relationship between this European Standard and the essential

requirements of Directive 2013/53/EU aimed to be covered ........................................................ 4

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SIST EN ISO 25197:2020
EN ISO 25197:2020 (E)
European foreword

This document (EN ISO 25197:2020) has been prepared by Technical Committee ISO/TC 188 "Small

craft" in collaboration with CCMC.

This European Standard shall be given the status of a national standard, either by publication of an

identical text or by endorsement, at the latest by October 2020, and conflicting national standards shall

be withdrawn at the latest by October 2020.

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. CEN shall not be held responsible for identifying any or all such patent rights.

This document supersedes EN ISO 25197:2018.

This document has been prepared under a mandate given to CEN by the European Commission and the

European Free Trade Association, and supports essential requirements of EU Directive(s).

For the relationship with EU Directive(s) see informative Annex ZA, which is an integral part of this

document.

According to the CEN-CENELEC Internal Regulations, the national standards organizations of the

following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria,

Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland,

Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Republic of

North Macedonia, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and the

United Kingdom.
Endorsement notice

The text of ISO 25197:2020 has been approved by CEN as EN ISO 25197:2020 without any modification.

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SIST EN ISO 25197:2020
EN ISO 25197:2020 (E)
Annex ZA
(informative)
Relationship between this European Standard and the essential
requirements of Directive 2013/53/EU aimed to be covered

This European Standard has been prepared under a Commission’s standardization request

M/542/C(2015) 8736 final to provide one voluntary means of conforming to essential requirements of

Directive 2013/53/EU.

Once this standard is cited in the Official Journal of the European Union under that Directive,

compliance with the normative clauses of this standard given in Table ZA.1 confers, within the limits of

the scope of this standard, a presumption of conformity with the corresponding essential requirements

of that Directive, and associated EFTA regulations.
Table ZA.1 — Correspondence between this European Standard and Annex I of
Directive 2013/53/EU
Essential Requirements of Clause(s)/sub- Remarks/Notes
Directive 2013/53/EU clause(s)of this EN

Annex I, sub clause 2.5 4.7, 4.11, 12 These clauses specify the information to be

included in the owner’s manual.
Owner’s manual

Annex I, 5.4 Steering system 10.2 In respect of transmission of steering loads in

all foreseeable conditions.
5.4.1 General
Annex I, 5.4 Steering system 9.1.4 In respect of single engine non-sailing craft
with remote rudder steering only.
5.4.2 Emergency
arrangements

Annex II (3) - Steering wheels, 10.2 In respect of the transmission of steering loads

steering mechanisms and in for electric/electronic steering systems
cable assemblies supplied as components only.

WARNING 1 — Presumption of conformity stays valid only as long as a reference to this European

Standard is maintained in the list published in the Official Journal of the European Union. Users of this

standard should consult frequently the latest list published in the Official Journal of the European

Union.

WARNING 2 — Other Union legislation may be applicable to the product(s) falling within the scope of

this standard.
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SIST EN ISO 25197:2020
INTERNATIONAL ISO
STANDARD 25197
Second edition
2020-04
Small craft — Electrical/electronic
control systems for steering, shift and
throttle
Petits navires — Systèmes électriques/électroniques pour le contrôle
de la direction, de l'inverseur et des gaz
Reference number
ISO 25197:2020(E)
ISO 2020
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SIST EN ISO 25197:2020
ISO 25197:2020(E)
COPYRIGHT PROTECTED DOCUMENT
© ISO 2020

All rights reserved. Unless otherwise specified, or required in the context of its implementation, no part of this publication may

be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting

on the internet or an intranet, without prior written permission. Permission can be requested from either ISO at the address

below or ISO’s member body in the country of the requester.
ISO copyright office
CP 401 • Ch. de Blandonnet 8
CH-1214 Vernier, Geneva
Phone: +41 22 749 01 11
Fax: +41 22 749 09 47
Email: copyright@iso.org
Website: www.iso.org
Published in Switzerland
ii © ISO 2020 – All rights reserved
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SIST EN ISO 25197:2020
ISO 25197:2020(E)
Contents Page

Foreword ........................................................................................................................................................................................................................................iv

1 Scope ................................................................................................................................................................................................................................. 1

2 Normative references ...................................................................................................................................................................................... 1

3 Terms and definitions ..................................................................................................................................................................................... 2

4 General requirements ..................................................................................................................................................................................... 5

5 Control head .............................................................................................................................................................................................................. 6

6 Command station transfer ......................................................................................................................................................................... 8

7 Portable helm station controls .............................................................................................................................................................. 8

8 Dynamic-positioning system (DPS) .................................................................................................................................................. 8

9 Failure modes and responses .................................................................................................................................................................. 9

9.1 Loss of operation ................................................................................................................................................................................... 9

9.2 Loss of computer command logic ........................................................................................................................................... 9

10 Test requirements ............................................................................................................................................................................................10

10.1 General test requirements .........................................................................................................................................................10

10.2 Steering .......................................................................................................................................................................................................10

10.3 Control lever(s) for separate or combined shift and throttle functions .............................................10

10.4 Joystick ........................................................................................................................................................................................................11

10.5 Environmental-test requirements.......................................................................................................................................12

10.5.1 General...................................................................................................................................................................................12

10.5.2 Salt mist tests ...................................................................................................................................................................13

10.5.3 Damp heat — Cyclic ...................................................................................................................................................14

10.5.4 Damp heat — Steady state ...................................................................................................................................14

10.5.5 High-temperature test — Operation ...........................................................................................................14

10.5.6 High-temperature test — Storage ..................................................................................................................14

10.5.7 Low-temperature test — Operation.............................................................................................................15

10.5.8 Low-temperature test — Storage ...................................................................................................................15

10.6 Vibration tests and requirements ........................................................................................................................................15

10.7 Shock testing ..........................................................................................................................................................................................16

10.8 Drop test ....................................................................................................................................................................................................16

10.9 Resistance to UV .................................................................................................................................................................................16

10.10 Electromagnetic compatibility (EMC)..............................................................................................................................17

10.10.1 Electromagnetic interference tests ...........................................................................................................17

10.10.2 EMC performance criteria .................. ...............................................................................................................17

10.10.3 Immunity to conducted low-frequency interference ................................................................17

10.10.4 Immunity to conducted radio-frequency interference ............................................................18

10.10.5 Immunity to radiated radio-frequency fields ...................................................................................18

10.10.6 Immunity to fast, low-energy transients (bursts) ........................................................................18

10.10.7 Immunity to slow, high-energy transients (surges) ...................................................................19

10.10.8 Immunity to electrostatic discharge (ESD) ........................................................................................19

10.10.9 Immunity to power supply variation ......................................................................................................19

10.10.10 ........................................................................................................................................................

Radiated emissions .................................................................................................................................................20

10.10.11 ........................................................................................................................................................

Conducted emissions ............................................................................................................................................20

10.11 Compass safe distance ...................................................................................................................................................................20

10.12 Insulation resistance .......................................................................................................................................................................20

11 Labelling .....................................................................................................................................................................................................................20

12 Instructions to be included in the owner's manual.......................................................................................................20

Bibliography .............................................................................................................................................................................................................................22

© ISO 2020 – All rights reserved iii
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SIST EN ISO 25197:2020
ISO 25197:2020(E)
Foreword

ISO (the International Organization for Standardization) is a worldwide federation of national standards

bodies (ISO member bodies). The work of preparing International Standards is normally carried out

through ISO technical committees. Each member body interested in a subject for which a technical

committee has been established has the right to be represented on that committee. International

organizations, governmental and non-governmental, in liaison with ISO, also take part in the work.

ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of

electrotechnical standardization.

The procedures used to develop this document and those intended for its further maintenance are

described in the ISO/IEC Directives, Part 1. In particular, the different approval criteria needed for the

different types of ISO documents should be noted. This document was drafted in accordance with the

editorial rules of the ISO/IEC Directives, Part 2 (see www .iso .org/ directives).

Attention is drawn to the possibility that some of the elements of this document may be the subject of

patent rights. ISO shall not be held responsible for identifying any or all such patent rights. Details of

any patent rights identified during the development of the document will be in the Introduction and/or

on the ISO list of patent declarations received (see www .iso .org/ patents).

Any trade name used in this document is information given for the convenience of users and does not

constitute an endorsement.

For an explanation of the voluntary nature of standards, the meaning of ISO specific terms and

expressions related to conformity assessment, as well as information about ISO's adherence to the

World Trade Organization (WTO) principles in the Technical Barriers to Trade (TBT), see www .iso .org/

iso/ foreword .html.
This document was prepared by Technical Committee ISO/TC 188, Small craft.

This second edition cancels and replaces the first edition (ISO 25197:2012), which has been technically

revised.
The main changes compared to the previous edition are as follows:

— the terms and definitions have been revised to give coherency with other standard definitions; new

terms, such as input device and output device, have been introduced;
— the figures have been revised to clarify the concepts illustrated;

— 7.2, on portable helms, has been revised to make it coherent when an electric propulsion motor is used;

— 9.1 has been revised to include the fail-safe mode and the alarm policy;

— the main change is in 10.1: the request to use three different samples for all tests (except for EMC

test) has been deleted because it would have involved a great expense without having significant

improvement; only one sample is used for all tests described on the subsequent subclauses;

— the durability test on joystick described in 10.4 has been made an operational test;

— Table 1 in 10.5.1 has been updated introducing the column “immersion” to handle test on immerged

components;

— in 10.5.2, all ways to conduct the salt mist test, based on different standards, have been homogenized;

— in 10.7, the shock test has been revised;

— in 10.8, the free fall test has become the drop test with the addiction of the UV test;

— the UV test, described in 10.9, has been clarified;
iv © ISO 2020 – All rights reserved
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SIST EN ISO 25197:2020
ISO 25197:2020(E)

— in 10.10, there are many changes due to the revision of IEC 60533 and the forthcoming release of

IEC 62742; to avoid any direct link to those standards, all tests previously required by IEC 60533

have been embedded and all standards cited have been added to the normative reference list.

Any feedback or questions on this document should be directed to the user’s national standards body. A

complete listing of these bodies can be found at www .iso .org/ members .html.
© ISO 2020 – All rights reserved v
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SIST EN ISO 25197:2020
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SIST EN ISO 25197:2020
INTERNATIONAL STANDARD ISO 25197:2020(E)
Small craft — Electrical/electronic control systems for
steering, shift and throttle
1 Scope

This document establishes the requirements for the design, construction and testing of electrical/

electronic steering, shift and throttle systems and dynamic positioning control systems, or combinations

thereof, on small craft of up to 24 m length of hull.

This document does not apply to electric trolling motors and autopilot systems on sailing craft.

2 Normative references

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

ISO 4892-1:2016, Plastics — Methods of exposure to laboratory light sources — Part 1: General guidance

ISO 4892-2:2013, Plastics — Methods of exposure to laboratory light sources — Part 2: Xenon-arc lamps

ISO 4892-3:2016, Plastics — Methods of exposure to laboratory light sources — Part 3: Fluorescent UV lamps

ISO 4892-4:2013, Plastics — Methods of exposure to laboratory light sources — Part 4: Open-flame carbon-

arc lamps

ISO 8846:1990, Small craft — Electrical devices — Protection against ignition of surrounding

flammable gases
ISO 8848:1990, Small craft — Remote steering systems

ISO 10133:2012, Small craft — Electrical systems — Extra-low-voltage d.c. installations

ISO 10240:2004/Amd1: 2015, Small craft — Owner’s manual
ISO 10592:1994, Small craft — Hydraulic steering systems
ISO 11591:2019, Small craft — Field of vision from the steering position

ISO 13297:2014, Small craft — Electrical systems — Alternating current installations

ISO 16750-2:2012, Road vehicles — Environmental conditions and testing for electrical and electronic

equipment — Part 2: Electrical loads

ISO 16750-3:2012, Road vehicles — Environmental conditions and testing for electrical and electronic

equipment — Part 3: Mechanical loads

ISO 16750-4:2010, Road vehicles — Environmental conditions and testing for electrical and electronic

equipment — Part 4: Climatic loads
ASTM B117: 2016, Practice for operating salt spray (fog) apparatus

IEC 60068-2-27:2008, Environmental testing — Part 2-27: Tests — Test Ea and guidance: Shock

IEC 60068-2-52:2017, Environmental testing — Part 2-52: Tests — Test Kb: Salt mist, cyclic (sodium

chloride solution)
© ISO 2020 – All rights reserved 1
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SIST EN ISO 25197:2020
ISO 25197:2020(E)
IEC 60092-507:2014, Electrical installations in ships — Part 507: Small vessels

IEC 60945:2002, Maritime navigation and radiocommunication equipment and systems — General

requirements — Methods of testing and required test results

IEC 61000-4-2:2008, Electromagnetic compatibility (EMC) — Part 4: Testing and measurement

techniques — Section 2: Electrostatic discharge immunity test — Basic EMC publication

IEC 61000-4-3:2006+Amd1: 2007+ Amd2: 2010, Electromagnetic compatibility (EMC) — Part 4: Testing

and measurement techniques — Section 3: Radiated, radio frequency, electromagnetic field immunity test

IEC 61000-4-4:2012, Electromagnetic compatibility (EMC) — Part 4: Testing and measurement

techniques — Section 4: Electrical fast transient/burst immunity test — Basic EMC publication

IEC 61000-4-5:2014+Amd1: 2017, Electromagnetic compatibility (EMC) — Part 4: Testing and

measurement techniques — Section 5: Surge immunity test

IEC 61000-4-6:2013, Electromagnetic compatibility (EMC) — Part 4: Testing and measurement techniques

– Section 6: Immunity to conducted disturbances, induced by radio-frequency fields

IEC 61000-4-11:2004+Amd1: 2017, Electromagnetic compatibility (EMC) — Part 4: Testing and measurement

techniques — Section 11: Voltage dips, short interruptions and voltage variations immunity tests

IEC 61000-4-16:2015, Electromagnetic compatibility (EMC) — Part 4: Testing and measurement

techniques — Section 16: Test for immunity to conducted, common mode disturbance in the frequency

range 0 Hz to 150 KHz
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

— ISO Online browsing platform: available at https:// www .iso .org/ obp
— IEC Electropedia: available at http:// www .electropedia .org/
3.1
electrical steering system
electronic steering system

all components, including CPU (central processing unit) and cable harnesses, from the manual steering

input device (3.11) up to and including the device [actuator (3.22) or electrical motor] regulating the

rudder or propulsion unit steering angle

Note 1 to entry: It includes the joystick (3.15) and components, i.e. GPS antennas for dynamic positioning, if

installed.
3.2
dynamic-positioning system

computer-controlled system to automatically maintain a craft's position and heading by using the

craft’s own propulsion systems with or without the assistance of bow or stern thrusters

3.3
electrical shift and throttle system
electronic shift and throttle system

all components, including CPU (central processing unit) and cable harnesses, from the shift and throttle

input device (3.11) up to and including the device controlling the shift and speed of engines

2 © ISO 2020 – All rights reserved
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SIST EN ISO 25197:2020
ISO 25197:2020(E)
3.4
ignition-protected equipment

electrical equipment designed and tested for use in explosive atmospheres without igniting surrounding

flammable gases
3.5
nominal voltage
commonly used voltage, such as 12 V, 24 V, or 36 V DC
3.6
manoeuvring mode

reduced power mode for manoeuvring, determined by the manufacturer of the steering/control systems

3.7
cruising mode

power mode above manoeuvring mode (3.6) up to full power, determined by the manufacturer

3.8
X axis
direction of a craft fore or aft, longitudinally
3.9
Y axis
direction of a craft port or starboard, transversely
3.10
Z axis
axis perpendicular to the X-Y plane
3.11
input device
device that transmits commands to a system
3.12
output device
device that operates from commands coming from an input device(s) (3.11)
EXAMPLE Electromechanical or electrohydraulic actuator (3.22).
3.13
control head

operator input device (3.11), other than a steering wheel, for the simultaneous control of steering and

propulsion (3.20)
EXAMPLE Joystick (3.15), track-ball or slide levers.
3.14
control lever

operator input device (3.11) for the control of thrust (3.23) and/or propulsion (3.20)

3.15
joystick

operator input device (3.11) for the simultaneous control of thrust (3.23), steering and propulsion (3.20)

3.16
helm station

location from which steering, propulsion (3.20) and thrust (3.23) can be controlled

3.17
multiple helm stations

more than one location in the boat from which steering, propulsion (3.20) and thrust (3.23) can be

controlled
© ISO 2020 – All rights reserved 3
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SIST EN ISO 25197:2020
ISO 25197:2020(E)
3.18
command station
helm station (3.16) location that is in active control
3.19
portable helm

helm providing a combination of shift or throttle or steering, not permanently affixed to the craft’s

structure, communicating with the system through wired or wireless (3.24) means
3.20
propulsion

component or components of thrust (3.23) that permit a craft’s movement in any direction

Note 1 to entry: Examples of propulsion-generating devices include outboards, stern drives, pod drives, jet

drives, inboards and thrusters.
3.21
radio-frequency

frequency within the range of frequencies suitable for utilization in radio communication

3.22
actuator

electromechanical, electropneumatic and/or electrohydraulic device that converts an electrical signal

into a mechanical displacement
3.23
thrust

propulsive force from craft’s propulsion system, including bow or stern thrusters or a combination

thereof in order to move or rotate the craft
3.24
wireless
mode of communication, monitoring and/or control through the use of electrom
...

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