SIST EN 62541-9:2015

SLOVENSKI STANDARD
SIST EN 62541-9:2015
01-september-2015
1DGRPHãþD
SIST EN 62541-9:2012
Enotna arhitektura OPC - 9. del: Alarmi in pogoji (IEC 62541-9:2015)
OPC Unified Architecture -- Part 9: Alarms and conditions (IEC 62541-9:2015)
OPC Unified Architecture - Teil 9: Alarme und Zustände (IEC 62541-9:2015)
Architecture unifiée OPC - Partie 9: Alarmes et conditions (IEC 62541-9:2015)
Ta slovenski standard je istoveten z: EN 62541-9:2015
ICS:
25.040.40 Merjenje in krmiljenje Industrial process
industrijskih postopkov measurement and control
35.240.50 Uporabniške rešitve IT v IT applications in industry
industriji
SIST EN 62541-9:2015 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST EN 62541-9:2015

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SIST EN 62541-9:2015


EUROPEAN STANDARD EN 62541-9

NORME EUROPÉENNE

EUROPÄISCHE NORM
May 2015
ICS 25.040.40; 35.100 Supersedes EN 62541-9:2012
English Version
OPC unified architecture - Part 9: Alarms and conditions
(IEC 62541-9:2015)
Architecture unifiée OPC - Partie 9: Alarmes et conditions OPC Unified Architecture - Teil 9: Alarme und Zustände
(IEC 62541-9:2015) (IEC 62541-9:2015)
This European Standard was approved by CENELEC on 2015-04-29. CENELEC 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 CENELEC 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 CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.


European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2015 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
 Ref. No. EN 62541-9:2015 E

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SIST EN 62541-9:2015
EN 62541-9:2015 - 2 -
Foreword
The text of document 65E/382/CDV, future edition 2 of IEC 62541-9, prepared by SC 65E "Devices
and integration in enterprise systems", of IEC/TC 65 "Industrial-process measurement, control and
automation" was submitted to the IEC-CENELEC parallel vote and approved by CENELEC as
EN 62541-9:2015.
The following dates are fixed:
• latest date by which the document has to be implemented at (dop) 2016-01-29
national level by publication of an identical national
standard or by endorsement
(dow) 2018-04-29
• latest date by which the national standards conflicting with
the document have to be withdrawn

This document supersedes EN 62541-9:2012.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
This document has been prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association, and supports essential requirements of EU Directive(s).
Endorsement notice
The text of the International Standard IEC 62541-9:2015 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 62541-7 NOTE Harmonized as EN 62541-7.
IEC 62541-11 NOTE Harmonized as EN 62541-11.

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SIST EN 62541-9:2015
- 3 - EN 62541-9:2015
Annex ZA
(normative)

Normative references to international publications
with their corresponding European publications
The following documents, in whole or in part, are normatively referenced 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.
NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod),
the relevant EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is
available here: www.cenelec.eu.

Publication Year Title EN/HD Year
IEC/TR 62541-1 -  OPC unified architecture - CLC/TR 62541-1 -
Part 1: Overview and concepts
IEC 62541-3 -  OPC unified architecture - EN 62541-3 -
Part 3: Address Space Model
IEC 62541-4 -  OPC Unified Architecture - EN 62541-4 -
Part 4: Services
IEC 62541-5 -  OPC unified architecture - EN 62541-5 -
Part 5: Information Model
IEC 62541-6 -  OPC unified architecture - EN 62541-6 -
Part 6: Mappings
IEC 62541-8 -  OPC Unified Architecture - EN 62541-8 -
Part 8: Data Access
EEMUA 191  Alarm systems - A guide to design, - -
management and procurement

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SIST EN 62541-9:2015

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SIST EN 62541-9:2015




IEC 62541-9

®


Edition 2.0 2015-03




INTERNATIONAL



STANDARD




NORME



INTERNATIONALE
colour

inside










OPC unified architecture –

Part 9: Alarms and conditions




Architecture unifiée OPC –

Partie 9: Alarmes et conditions
















INTERNATIONAL

ELECTROTECHNICAL

COMMISSION


COMMISSION

ELECTROTECHNIQUE


INTERNATIONALE




ICS 25.040.40; 35.100 ISBN 978-2-8322-2382-6



Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale

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SIST EN 62541-9:2015
– 2 – IEC 62541-9:2015 © IEC 2015
CONTENTS
FOREWORD . 8
1 Scope . 10
2 Normative references. 10
3 Terms, definitions, and abbreviations . 10
3.1 Terms and definitions . 10
3.2 Abbreviations and symbols . 12
3.3 Used data types . 12
4 Concepts . 12
4.1 General . 12
4.2 Conditions. 12
4.3 Acknowledgeable Conditions . 14
4.4 Previous states of Conditions . 15
4.5 Condition state synchronization . 16
4.6 Severity, Quality, and Comment . 16
4.7 Dialogs . 17
4.8 Alarms . 17
4.9 Multiple Active States . 18
4.10 Condition Instances in the Address Space . 19
4.11 Alarm and Condition Auditing . 19
5 Model . 19
5.1 General . 19
5.2 Two-State State Machines . 20
5.3 Condition Variables . 21
5.4 Substate Reference Types . 22
5.4.1 General . 22
5.4.2 HasTrueSubState ReferenceType . 22
5.4.3 HasFalseSubState ReferenceType . 23
5.5 Condition Model . 23
5.5.1 General . 23
5.5.2 ConditionType . 24
5.5.3 Condition and Branch Instances . 27
5.5.4 Disable Method . 27
5.5.5 Enable Method . 28
5.5.6 AddComment Method . 28
5.5.7 ConditionRefresh Method . 29
5.6 Dialog Model . 31
5.6.1 General . 31
5.6.2 DialogConditionType . 31
5.6.3 Respond Method . 32
5.7 Acknowledgeable Condition Model . 33
5.7.1 General . 33
5.7.2 AcknowledgeableConditionType . 33
5.7.3 Acknowledge Method . 34
5.7.4 Confirm Method . 35
5.8 Alarm Model . 36
5.8.1 General . 36

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SIST EN 62541-9:2015
IEC 62541-9:2015 © IEC 2015 – 3 –
5.8.2 AlarmConditionType . 37
5.8.3 ShelvedStateMachineType . 39
5.8.4 LimitAlarmType . 43
5.8.5 ExclusiveLimit Types . 44
5.8.6 NonExclusiveLimitAlarmType . 46
5.8.7 Level Alarm . 48
5.8.8 Deviation Alarm . 48
5.8.9 Rate of Change . 49
5.8.10 Discrete Alarms . 50
5.9 ConditionClasses . 52
5.9.1 Overview . 52
5.9.2 Base ConditionClassType . 52
5.9.3 ProcessConditionClassType . 53
5.9.4 MaintenanceConditionClassType . 53
5.9.5 SystemConditionClassType . 53
5.10 Audit Events . 53
5.10.1 Overview . 53
5.10.2 AuditConditionEventType . 54
5.10.3 AuditConditionEnableEventType . 55
5.10.4 AuditConditionCommentEventType . 55
5.10.5 AuditConditionRespondEventType . 55
5.10.6 AuditConditionAcknowledgeEventType . 55
5.10.7 AuditConditionConfirmEventType . 56
5.10.8 AuditConditionShelvingEventType . 56
5.11 Condition Refresh Related Events . 56
5.11.1 Overview . 56
5.11.2 RefreshStartEventType . 57
5.11.3 RefreshEndEventType . 57
5.11.4 RefreshRequiredEventType . 57
5.12 HasCondition Reference Type . 58
5.13 Alarm and Condition Status Codes . 58
5.14 Expected A&C Server Behaviours . 59
5.14.1 General . 59
5.14.2 Communication problems . 59
5.14.3 Redundant A&C Servers . 59
6 AddressSpace Organisation . 60
6.1 General . 60
6.2 Event Notifier and Source Hierarchy . 60
6.3 Adding Conditions to the Hierarchy . 61
6.4 Conditions in InstanceDeclarations . 61
6.5 Conditions in a VariableType . 62
Annex A (informative) Recommended localized names . 63
A.1 Recommended State Names for TwoState Variables . 63
A.1.1 LocaleId “en” . 63
A.1.2 LocaleId “de” . 63
A.1.3 LocaleId “fr” . 64
A.2 Recommended Dialog Response Options . 64
Annex B (informative) Examples . 65
B.1 Examples for Event sequences from Condition instances . 65

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SIST EN 62541-9:2015
– 4 – IEC 62541-9:2015 © IEC 2015
B.1.1 Overview . 65
B.1.2 Server Maintains Current State Only . 65
B.1.3 Server Maintains Previous States . 65
B.2 Address Space Examples . 67
Annex C (informative) Mapping to EEMUA . 71
Annex D (informative) Mapping from OPC A&E to OPC UA A&C . 72
D.1 Overview. 72
D.2 Alarms and Events COM UA Wrapper . 72
D.2.1 Event Areas . 72
D.2.2 Event Sources . 73
D.2.3 Event Categories . 73
D.2.4 Event Attributes . 74
D.2.5 Event Subscriptions. 74
D.2.6 Condition Instances . 76
D.2.7 Condition Refresh . 76
D.3 Alarms and Events COM UA Proxy . 77
D.3.1 General . 77
D.3.2 Server Status Mapping . 77
D.3.3 Event Type Mapping . 77
D.3.4 Event Category Mapping . 78
D.3.5 Event Category Attribute Mapping . 79
D.3.6 Event Condition Mapping . 82
D.3.7 Browse Mapping. 82
D.3.8 Qualified Names . 83
D.3.9 Subscription Filters . 84
Bibliography . 86

Figure 1 – Base Condition State Model . 13
Figure 2 – AcknowledgeableConditions State Model . 14
Figure 3 – Acknowledge State Model . 15
Figure 4 – Confirmed Acknowledge State Model . 15
Figure 5 – Alarm State Machine Model . 17
Figure 6 – Multiple Active States Example . 18
Figure 7 – ConditionType Hierarchy . 20
Figure 8 – Condition Model . 24
Figure 9 – DialogConditionType Overview . 31
Figure 10 – AcknowledgeableConditionType Overview . 33
Figure 11 – AlarmConditionType Hierarchy Model . 37
Figure 12 – Alarm Model . 37
Figure 13 – Shelve state transitions . 39
Figure 14 – Shelved State Machine Model . 40
Figure 15 – LimitAlarmType . 43
Figure 16 – ExclusiveLimitStateMachine . 44
Figure 17 – ExclusiveLimitAlarmType . 46
Figure 18 – NonExclusiveLimitAlarmType . 47
Figure 19 – DiscreteAlarmType Hierarchy . 50

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SIST EN 62541-9:2015
IEC 62541-9:2015 © IEC 2015 – 5 –
Figure 20 – ConditionClass Type Hierarchy . 52
Figure 21 – AuditEvent Hierarchy . 54
Figure 22 – Refresh Related Event Hierarchy . 57
Figure 23 – Typical Event Hierarchy . 60
Figure 24 – Use of HasCondition in an Event Hierarchy . 61
Figure 25 – Use of HasCondition in an InstanceDeclaration . 62
Figure 26 – Use of HasCondition in a VariableType . 62
Figure B.1 – Single State Example . 65
Figure B.2 – Previous State Example . 66
Figure B.3 – HasCondition used with Condition instances . 68
Figure B.4 – HasCondition reference to a Condition Type . 69
Figure B.5 – HasCondition used with an instance declaration . 70
Figure D.1 – The Type Model of a Wrapped COM AE Server . 74
Figure D.2 – Mapping UA Event Types to COM A&E Event Types . 78
Figure D.3 – Example Mapping of UA Event Types to COM A&E Categories . 79
Figure D.4 – Example Mapping of UA Event Types to A&E Categories with Attributes . 82

Table 1 – Parameter Types defined in IEC 62541-3 . 12
Table 2 – Parameter Types defined in IEC 62541-4 . 12
Table 3 – TwoStateVariableType Definition . 21
Table 4 – ConditionVariableType Definition . 22
Table 5 – HasTrueSubState ReferenceType . 22
Table 6 – HasFalseSubState ReferenceType . 23
Table 7 – ConditionType Definition . 25
Table 8 – Simple Attribute Operand . 27
Table 9 – Disable Result Codes . 28
Table 10 – Disable Method AddressSpace Definition . 28
Table 11 – Enable Result Codes . 28
Table 12 – Enable Method AddressSpace Definition . 28
Table 13 – AddComment Arguments . 29
Table 14 – AddComment result Codes . 29
Table 15 – AddComment Method AddressSpace Definition . 29
Table 16 – ConditionRefresh Parameters . 30
Table 17 – ConditionRefresh ReturnCodes . 30
Table 18 – ConditionRefresh Method AddressSpace Definition . 31
Table 19 – DialogConditionType Definition . 31
Table 20 – Repond Parameters . 32
Table 21 – Respond ResultCodes . 33
Table 22 – Respond Method AddressSpace Definition . 33
Table 23 – AcknowledgeableConditionType Definition . 34
Table 24 – Acknowledge Parameters . 34
Table 25 – Acknowledge result codes . 35
Table 26 – Acknowledge Method AddressSpace Definition . 35

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SIST EN 62541-9:2015
– 6 – IEC 62541-9:2015 © IEC 2015
Table 27 – Confirm Method Parameters . 35
Table 28 – Confirm Result Codes . 36
Table 29 – Confirm Method AddressSpace Definition . 36
Table 30 – AlarmConditionType Definition . 38
Table 31 –ShelvedStateMachine Definition . 40
Table 32 – ShelvedStateMachine Transitions . 41
Table 33 – Unshelve Result Codes . 41
Table 34 – Unshelve Method AddressSpace Definition . 41
Table 35 – TimedShelve Parameters . 42
Table 36 – TimedShelve Result Codes . 42
Table 37 – TimedShelve Method AddressSpace Definition . 42
Table 38 – OneShotShelve Result Codes .
...