ISO INTERNATIONAL STANDARD 23704-2 First edition 2022-06 General requirements for cyber- physically controlled smart machine tool systems (CPSMT) Part 2: Reference architecture of CPSMT for subtractive manufacturing Exigences génerales relatives aux systemes de machines-outils intelligents a commandes cyber-physiques (CPSMT) Partie 2: Architecture de reference des CPSMT pour la fabrication soustractive Reference number IS0 23704-2:2022(E) ISO @ IS0 2022 Copyright International Organization for Standardization IS0 23704-2:2022(E) COPYRIGHT PROTECTED DOCUMENT @IS02022 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 40i : Ch. de Blandonnet 8 CH-1214 Vernier, Geneva Phone: +41 22 749 01 11 Email: [email protected] Website: www.iso.org Published in Switzerland Copyright lhleratinal Organizatin for Standardization IS02022-Allrightsreserved IS0 23704-2:2022(E) Contents Page Foreword. ..V Introduction. .. vi 1 Scope. ..1 2 Normativereferences 3 Terms, definitions and abbreviated terms. 3.1 Terms and definitions .2 3.2 Abbreviated terms .4 4 Conformance with the CPsMT reference architecture for subtractive manufacturing... ..4 5 Goals and objectives of the CPsMT reference architecture for subtractive manufacturing. 4 6 Reference architecture of a CPSMT for subtractive manufacturing .6 7 Functional view of a CPCM for subtractive manufacturing .8 7.1 .8 General 7.2 Machine tool unit (MTU) .8 7.2.1 Function of the MTU Abnormalities of the MTU .9 7.2.2 .9 7.3 Cyber-physical system (CPS) unit. 7.3.1 General 9 7.3.2 ..9 Inner-loopelement 7.3.3 ..10 Intra-loop element. 7.3.4 Inter-loop element. ..11 Functional view of a CsSM for subtractive manufacturing 8 ..12 General ..12 8.1 Data processing unit (DPU) ..12 8.2 8.2.1 .12 General 8.2.2 A CPCM interface element 13 8.2.3 UIS interface element ..13 8.2.4 Data fusion element. .13 8.2.5 Data storage element. ..13 8.2.6 Data transformer for external entities element 14 8.3 Digital twin unit 14 8.3.1 General 14 8.3.2 Machine tool unit context data model. .14 8.3.3 Machine tool unit state data model. .15 8.3.4 Machine tool unit state management element 17 8.3.5 .. 17 Machine tool unit behaviour model 8.3.6 Machine tool unit behaviour model engine 17 8.4 MAPEunit ..18 8.4.1 General .18 8.4.2 Monitoring element. ...18 8.4.3 Analysis element. .18 8.4.4 Planning element. .. 19 8.4.5 Execution element 19 8.5 External interface unit .20 8.5.1 General 20 8.5.2 Interface schema element. 20 8.5.3 .20 Interface manager element 9 Interface view of a CPsMT for subtractive manufacturing. .21 9.1 General 21 9.2 Interfaces for the capability of autonomous handling of machine tool abnormalities 21 9.2.1 21 General iii CopyrightIntenational OrgizISi222araizAJ1 rights reserved