IEC 61636-1:2021

IEC 61636-1 ®
Edition 2.0 2021-06
™
IEEE Std 1636.1
INTERNATIONAL
STANDARD
Software Interface for Maintenance Information Collection and Analysis
(SIMICA): Exchanging Test Results and Session Information via the eXtensible
Markup Language (XML)
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IEC 61636-1 ®
Edition 2.0 2021-06
IEEE Std 1636.1™
INTERNATIONAL
STANDARD
Software Interface for Maintenance Information Collection and Analysis

(SIMICA): Exchanging Test Results and Session Information via the eXtensible

Markup Language (XML)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 25.040.01; 35.060 ISBN 978-2-8322-9823-7

IEEE Std 1636.1™-2018
Contents
1. Overview . 9
1.1 General . . 9
1.2 Scope . 10
1.3 Application . . 10
1.4 Precedence . . 11
1.5 Conventions used in this document . 11
2. Normative references . . 12
3. Definitions, acronyms, and abbreviations . 12
3.1 Definitions . . 12
3.2 Acronyms and abbreviations . . 13
4. Test results and session information . 13
4.1 Background . . 13
4.2 Introduction . . 13
4.3 Applicability . . 14
4.4 Usage . 14
5. Conformance . 14
6. XML schema extensibility . . 15
7. OWL ontology and XML schema names and locations . 15
Annex A (informative) XML schema and OWL ontology . 18
Annex B (informative) Bibliography . 33
Annex C (informative) List of IEEE participants . 34

– ii – IEC 61636-1:2021 © IEC 2021
IEEE Std 1636.1™-2018
SOFTWARE INTERFACE
FOR MAINTENANCE INFORMATION COLLECTION
AND ANALYSIS (SIMICA):
EXCHANGING TEST RESULTS AND SESSION
INFORMATION VIA THE EXTENSIBLE MARKUP
LANGUAGE (XML)
FOREWORD
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IEEE Std 1636.1™-2018
IEC 61636-1/IEEE Std 1636.1 was processed through IEC technical committee 91: Electronics
assembly technology, under the IEC/IEEE Dual Logo Agreement. It is an International Standard.
The text of this International Standard is based on the following documents:
IEEE Std FDIS Report on voting
1636.1 (2018) 91/1717/FDIS 91/1729/RVD

Full information on the voting for its approval can be found in the report on voting indicated in
the above table.
The language used for the development of this International Standard is English.
The IEC Technical Committee and IEEE Technical Committee have decided that the contents
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• reconfirmed,
• withdrawn,
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IEEE Std 1636.1™-2018
IEEE Standard for Software Interface
for Maintenance Information Collection
and Analysis (SIMICA): Exchanging Test
Results and Session Information via the
eXtensible Markup Language (XML)
Sponsor
IEEE Standards Coordinating Committee 20 on
Test and Diagnosis for Electronic Systems
Approved 27 September 2018
IEEE-SA Standards Board
Published by IEC under licence from IEEE. © 2018 IEEE. All rights reserved.

Abstract: Promoting and facilitating interoperability between components of automatic test systems
where test results need to be shared is addressed in this standard. The standard thus facilitates the
capture of test results data in storage devices and databases, facilitating online and offline analysis.
The test results schema becomes a class of information that can be used within the SIMICA family
of standards. The exchange format is expressed in both the OWL and XML formats.
Keywords: automated test system (ATS), extensible markup language (XML), IEEE 1636.1™,
OWL ontology, Software Interface for Maintenance Information Collection and Analysis (SIMICA),
test results and session information, XML schema
Published by IEC under licence from IEEE. © 2018 IEEE. All rights reserved.

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Introduction
This introduction is not part of IEEE Std 1636.1-2018, IEEE Standard for Software Interface for Maintenance
Information Collection and Analysis (SIMICA): Exchanging Test Results and Session Information via the eXtensible
Markup Language (XML).
Maintainers of complex systems require the ability to capture and share test result information in a way that
supports such activities as performance analysis, post production product improvement, maintenance process
improvement, and diagnostic maturation. Principal stakeholders of this project include, but are not limited
to, maintenance organizations within various Departments/Ministries of Defense, commercial airlines, the
automotive industry, and the telecommunications industry. This standard is being developed as a component
of the IEEE Std 1636™ Software Interface for Maintenance Information Collection and Analysis (SIMICA)
project. SIMICA's purpose is to specify a software interface for access, exchange, and analysis of product
diagnostic and maintenance information. Test Result information provides a subset of the data needed to
satisfy SIMICIA requirements.
This document provides the description of the test results and session information elements.
IEEE Standards downloads and executable files
Files are available in the IEEE Std 1636.1-2018 directory located at: https://standards .ieee.or g/ downloads.
Published by IEC under licence from IEEE. © 2018 IEEE. All rights reserved.
IEEE Standard for Software Interface
for Maintenance Information Collection
and Analysis (SIMICA): Exchanging Test
Results and Session Information via the
eXtensible Markup Language (XML)
1. Overview
1.1 General
Software Interface for Maintenance Information Collection and Analysis (SIMICA) is a family of IEEE
standards, associated web ontologies (OWL), and extensible markup language (XML) schemas which allow
automatic test system (ATS), test result and session information, and maintenance action information to be
exchanged in a common format adhering to the OWL and XML standards.
The SIMICA family of standards has been developed and is being maintained under the guidance of IEEE
Standards Coordinating Committee 20 (SCC20) to serve as a comprehensive environment for integrating
test results, test session information, and maintenance action information, while allowing this unit under test
(UUT) related data to be interchanged between heterogeneous systems.
The SIMICA family of standards is organized as a base Standard (IEEE Std 1636™) and two (2) ‘dot’
standards:
— Test Results and Session Information (IEEE Std 1636.1™
— Maintenance Action Information (IEEE Std 1636.2™)
The SIMICA base document and its relationship to this document is depicted in Figure 1.
Published by IEC under licence from IEEE. © 2018 IEEE. All rights reserved.
IEEE Std 1636.1-2018
– 10 – IEEE Std 1636.1™-2018
IEEE Standard for Software Interface for Maintenance Information Collection and Analysis (SIMICA):
Exchanging Test Results and Session Information via the eXtensible Markup Language (XML)
Figure 1—Relationship between this document and the SIMICA base document
This document specifically defines the Test Results and Session Information (IEEE Std 1636.1) OWL
ontologies and XML schemas.
1.2 Scope
The scope of this standard is the definition of an exchange format, utilizing Web Ontology Language (OWL)
and extensible markup language (XML), for exchanging data resulting from executing tests of a unit under test
(UUT) via a test program in an automatic test environment.
1.3 Application
1.3.1 Of this document
This document provides formal specifications of the information required for the development of shared
maintenance data and the results of testing.
Anticipated users of this standard include the following:
a) System developers
b) System maintainers
Published by IEC under licence from IEEE. © 2018 IEEE. All rights reserved.
IEEE Std 1636.1-2018
IEEE Std 1636.1™-2018 – 11 –
IEEE Standard for Software Interface for Maintenance Information Collection and Analysis (SIMICA):
Exchanging Test Results and Session Information via the eXtensible Markup Language (XML)
c) Test program set (TPS) developers
d) TPS maintainers
e) Automatic test equipment (ATE) system developers
f) ATE systems maintainers
g) Test instrument developers
h) Reliability, maintainability, and diagnostic analytical applications
1.3.2 Of this document’s annexes
This document includes two annexes. Of these two, one is normative (Annex A).
Annex A contains descriptive information about each of the XML schema and OWL ontology elements and
types.
Annex B contains the bibliography. This is informative, and thus is provided strictly as information, for both
users and maintainers of this document.
1.4 Precedence
In the event of conflict between this document and a normatively referenced standard (see Clause 2), the
normatively referenced standard, as it applies to the information being produced, shall take precedence.
In the event of conflict between this document and the SIMICA family base document (IEEE Std 1636-2018),
the SIMICA family base document shall take precedence.
In the event of conflict between this document and another SIMICA family component standard, this document
shall take precedence.
1.5 Conventions used in this document
1.5.1 General
All groups, complex types, simple types, and attribute groups are listed in Annex A; descriptive information
for each is provided.
Where there are references to a groups, complex types, simple types, and attribute groups within the associated
XML schema or OWL ontology (TestResults.xsd and Test_Results.owl), the convention of [name] at [element]
is used to indicate where the user can locate the data within either the TestResults.xsd or Test_Results.owl files.
Example: 1636.1-2018 download at: https:// standards .ieee.or g/ downloads indicates the user is to open the
Simica.xsd schema at the location provided and find Example for the schema definition.
The namespace prefix “tr:” identifies that the type or attribute group associated with this document.
All specifications for OWL and XML within this document are given in the Courier type font and italicized.
1.5.2 Word usage
In this document, the word shall is used to indicate a mandatory requirement. The word should is used to
indicate a recommendation. The word may is used to indicate a permissible action. The word can is used for
statements of possibility and capability.
Published by IEC under licence from IEEE. © 2018 IEEE. All rights reserved.
IEEE Std 1636.1-2018
– 12 – IEEE Std 1636.1™-2018
IEEE Standard for Software Interface for Maintenance Information Collection and Analysis (SIMICA):
Exchanging Test Results and Session Information via the eXtensible Markup Language (XML)
2. Normative references
The following referenced documents are indispensable for the application of this document (i.e., they must
be understood and used, so each referenced document is cited in text and its relationship to this document is
explained). For dated references, only the edition cited applies. For undated references, the latest edition of the
referenced document (including any amendments or corrigenda) applies.
IEEE Std 1636™-2018, IEEE Standard for Software Interface for Maintenance Information Collection and
1,2
Analysis (SIMICA).
World Wide Web Consortium, (W3C) extensible Markup Language (XML), 1.0 (Fifth Edition) Proposed
Edited Recommendation.
World Wide Web Consortium, (W3C) OWL Web Ontology Language (OWL 2), W3C Recommendation.
3. Definitions, acronyms, and abbreviations
3.1 Definitions
For the purposes of this document, the following terms and definitions apply. The IEEE Standards Dictionary
Online should be consulted for terms not defined in this clause.
component (in an extensible Markup Language (XML) schema): The generic term for the building blocks
that comprise the abstract data model of the schema.
extensible Markup Language (XML) attribute: Name-value pair associated with an XML element.
extensible Markup Language (XML) document: A (text) data object that conforms to the XML requirements
for being well-formed (as defined by W3C).
extensible Markup Language (XML) namespace: A method for distinguishing XML elements and
attributes that may have the same name but different meanings. A URL is used as a prefix to a “local name.”
This combination ensures the uniqueness of the element or attribute name. The URL is used only as a way to
create a unique prefix and does not have to resolve to a real page on the Internet.
NOTE—See Namespaces in XML 1.0 [B7].
extensible Markup Language (XML) schema: The structure or framework used to define a data record. This
includes each field’s name, type, shape, dimension, and mapping.
framework: A framework is a real or conceptual structure expressed as a set of abstract classes. The framework
provides a context for the components to be used.
instance document: A textual information set grouped for some purpose that is governed by a single XML
Schema.
maintenance: Activity intended to keep equipment (hardware) or programs (software) in satisfactory
working condition, including replacements, adjustments, repairs, software/firmware updates, and program
improvements. Maintenance can be preventative or corrective. (Adapted from MIL-STD-1309D [B11].)
IEEE publications are available from The Institute of Electrical and Electronics Engineers (http://standards .ieee.or g/ ).
The IEEE standards or products referred to in this clause are trademarks of The Institute of Electrical and Electronics Engineers, Inc.
Information on references can be found in Annex B.
IEEE Standards Dictionary Online is available at: http://dictionary .ieee.or g.
The numbers in brackets correspond to those of the bibliography in Annex B.
Published by IEC under licence from IEEE. © 2018 IEEE. All rights reserved.
IEEE Std 1636.1-2018
IEEE Std 1636.1™-2018 – 13 –
IEEE Standard for Software Interface for Maintenance Information Collection and Analysis (SIMICA):
Exchanging Test Results and Session Information via the eXtensible Markup Language (XML)
ontologies: A formal way to define the structure of knowledge.
web ontology language: A knowledge representation language for authoring ontologies.
3.2 Acronyms and abbreviations
ATE automatic test equipment
ATS automatic test system
OWL Web Ontology Language
PCB printed circuit board
SCC20 Standards Coordinating Committee 20
SIMICA Software Interface for Maintenance Information Collection and Analysis
TPS test program set
UUT unit under test
W3C World Wide Web Consortium
XML eXtensible Markup Language
4. Test results and session information
4.1 Background
Current automatic test system architectures are implemented with tight coupling between components. This
tight coupling inhibits interoperability by requiring components of the automatic test system to be developed
specific to that particular architecture. In many cases, this coupling can be reduced by developing the
components that operate relative to standard interfaces.
This document will facilitate accomplishing several objectives. First, the document will serve as a single
source for specifying essential test data with data elements related to the unit under test (UUT), the test station,
and the test program. Second, the document will assist the automatic test equipment (ATE) industry to design
and create compatible, interoperable tool sets such as data parsers and writers. Third, the standard will assist
ATE users of such data (e.g., automotive, semiconductor, aerospace, and military) to process and display test
results across a variety of systems.
This document has been developed as a “component standard” or “dot standard” under the SIMICA family
base document (IEEE Std 1636). The SIMICA family of standards purpose is to specify software interfaces
for access, exchange, and analysis of product diagnostic and maintenance information. Test results provide a
subset of the data needed to satisfy SIMICA’s requirements.
4.2 Introduction
This document’s XML schema and OWL ontology provides a standard format for the transport of both
quantitative (measured values) and qualitative (pass/fail determination) test results. The design is such that it is
possible to store ancillary information such as environmental conditions and system/operator messages. This
information, although not specifically “results,” is intended to permit use of an instance document for a variety
of purposes, including statistical analysis and diagnostics. Some examples of this ancillary information include
identifying information for the UUT, the test station, and the test program; ambient environmental conditions
at the time of the test; test equipment calibration data; as well as test program input data and ancillary textual
Published by IEC under licence from IEEE. © 2018 IEEE. All rights reserved.
IEEE Std 1636.1-2018
– 14 – IEEE Std 1636.1™-2018
IEEE Standard for Software Interface for Maintenance Information Collection and Analysis (SIMICA):
Exchanging Test Results and Session Information via the eXtensible Markup Language (XML)
comments. This document establishes a hierarchical structure for results data to permit the grouping of a series
of related test results in a single instance document.
4.3 Applicability
This document will permit test result data to be shared for a variety of purposes, including statistical analysis,
diagnostics, and improvement of the unit under test (UUT) repair process.
4.4 Usage
This document presumes some knowledge of XML and the use of XML schemas. A variety of XML software
tools are available in a number of computer programming languages. This document makes no presumption
regarding the tool(s) being used or the specific test system(s) generating the test result information being
captured in an XML instance document.
This document describes the TestResults.xsd schemas as well as specifies the OWL ontology model that
conformant instance documents must follow. In general, this document serves as an enhancement to the
annotations provided within the XML schema and OWL ontology files.
4.4.1 XML schemas associated with this document
There are two (2) XML schemas associated with this document, both titled TestResults.xsd.
For new applications of Test Results and Session Information that do not require adherence to
IEEE Std 1671, the TestResults.xsd schema that includes Simica.xsd shall be utilized. (This schema is
contained in the download site folder 1636.1-2018, see Clause 7.)
For new or legacy applications of Test Results and Session Information that require adherence to
IEEE Std 1671, the TestResults.xsd schema that includes Common.xsd shall be utilized. (This schema is
contained in the download site folder 1636.1-2018/1671-Compatible, see Clause 7.)
4.4.2 XML schema representations
Within the body of this document, unless otherwise indicated, all syntax references relate to XML. Refer to
XML eXtensible Markup Language (XML) 1.0 (Fifth Edition). W3C Proposed Edited Recommendation [B1]
for detailed descriptions of XML data formats.
4.4.3 OWL ontology representations
This document also provides an OWL ontology that further defines the semantics of the elements contained
in the XML schema. Refer to the OWL Web Ontology Language (OWL 2), W3C Recommendation [B9] for
detailed descriptions of OWL data formats.
4.4.4 XML instance document example associated with this document
This document also provides an example Test Results XML instance document. This instance document is
provided as an illustration of the use of the TestResults.xsd and Simica.xsd schemas. The Test Results XML
instance document is available as described in Clause 7.
5. Conformance
The minimal expectation for XML instance documents conformant with this standard shall be that the XML
instance document is considered valid if the instance document complies with the constraints expressed in:
Published by IEC under licence from IEEE. © 2018 IEEE. All rights reserved.
IEEE Std 1636.1-2018
IEEE Std 1636.1™-2018 – 15 –
IEEE Standard for Software Interface for Maintenance Information Collection and Analysis (SIMICA):
Exchanging Test Results and Session Information via the eXtensible Markup Language (XML)
a) The TestResults.xsd schema (Defined in Annex A of this document, and available as described in
Clause 7).
b) The Simica.xsd or Common.xsd schema (defined in 5.1 of IEEE Std 1636-2018 and available as
described in Clause 7).
c) The TestResults.owl ontology (defined in Annex A of this document, and available as described in
Clause 7).
d) The Simica.owl ontology (defined in IEEE Std 1636-2018 and available as described in Clause 7).
Validity shall only occur when the XML instance document is populated.
6. XML schema extensibility
A provision in the XML schema of an extension mechanism is necessary to ensure the viability of the
specification and allow producers and consumers of SIMICA XML instance documents to interoperate in
those cases where there is a requirement to exchange relevant data that is not included in the TestResults.xsd
schema. The use of the extensions shall be done in a way that ensures that a conformant consumer can utilize
the extended file without error, discard or otherwise sidestep the extended data and use the non-extended
portions of the data as it is intended, without error or loss of functionality.
Extensions shall be additional information added to the content model of
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