【正文】
and systems, was submitted to the IECCENELEC parallel vote and was approved by CENELEC as EN 60945 on 20201001. This European Standard supersedes EN 60945:1997. The following dates were fixed: – latest date by which the EN has to be implemented at national level by publication of an identical national standard or by endorsement (dop) 20200701 – latest date by which the national standards conflicting with the EN have to be withdrawn (dow) 20201001 Annexes designated normative are part of the body of the standard. Annexes designated informative are given for information only. In this standard, annexes A and ZA are normative and annexes B to G are informative. Annex ZA has been added by CENELEC. Endorsement notice The text of the International Standard IEC 60945:2020 was approved by CENELEC as a European Standard without any modification. In the official version, for Bibliography, the following notes have to be added for the standards indicated: IEC 60068232 NOTE Harmonized as EN 60068232:1993 (not modified). IEC 6006834 NOTE Harmonized as EN 6006834:2020 (not modified). IEC 60073 NOTE Harmonized as EN 60073:1996 (not modified). IEC 603001 NOTE Harmonized as EN 603001:1993 (not modified). IEC 6072121 NOTE Harmonized as HD S1:1989 (not modified). IEC 6072124 NOTE Harmonized as HD S1:1989 (not modified). IEC 6072136 NOTE Harmonized as EN 6072136:1993 + A2:1997 (not modified). IEC 61162 (Series) NOTE Harmonized as EN 61162 (Series) (not modified). IEC 61209 NOTE Harmonized as EN 61209:1999 (not modified). IEC 615081 NOTE Harmonized as EN 615081:2020 (not modified). ``````,`,`,`,` Copyright European Committee for Electrotechnical Standardization Provided by IHS under license with CENELEC No reproduction or working permitted without license from IHS Not for Resale Page 3 EN 60945:2020 CONTENTS INTRODUCTION ..................................................................................................................... 6 1 S cope ............................................................................................................................... 7 2 Normative references ....................................................................................................... 8 3 Definitions and abbreviations .......................................................................................... 10 Definitions ............................................................................................................ . 10 Abbreviations used in this standard ....................................................................... 11 IMO performance standards .................................................................................. 11 4 Minimum performance requirements ............................................................................... 13 General ................................................................................................................. 13 Design and operation ............................................................................................ 14 Power supply......................................................................................................... 19 Durability and resistance to environmental conditions............................................ 19 Interference ........................................................................................................... 20 Safety precautions ................................................................................................ 20 Maintenance.......................................................................................................... 21 Equipment manuals .............................................................................................. . 21 Marking and identification ...................................................................................... 22 5 Methods of testing and required test results ................................................................... 22 General ................................................................................................................. 22 Test conditions ...................................................................................................... 23 Test results ........................................................................................................... 25 6 Operational checks (all equipment categories) ............................................................... 25 Ergonomics and HMI ............................................................................................. 25 Hardware ............................................................................................................. . 29 S oftware ................................................................................................................ 30 Interunit connection .............................................................................................. 31 7 Power supply – Methods of testing and required test results ........................................... 31 Extreme power supply ........................................................................................... 31 Excessive conditions ............................................................................................. 31 Power supply shortterm variation ......................................................................... 32 Power supply failure .............................................................................................. 32 8 Durability and resistance to environmental conditions – Methods of testing and required test results ...................................