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ATML: The XML Exchange Standard for Automatic Test Equipment

ATML is a family of XML schemas for exchanging automatic test and system information. Here’s what it covers, which standards IEEE lists as active, and what P1671 means.
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ATML (Automatic Test Markup Language) is a family of XML-based formats for exchanging automatic test system and test information. It describes structured data; it is not a test instrument or an engine that runs tests. IEEE currently lists an active project to revise the ATML framework, but that project is not itself a published replacement standard.

What is ATML, and what does it do?

ATML provides a common way to represent and exchange information among components of automatic test systems (ATSs). IEEE describes it as “a standard exchange medium for sharing information between components of Automatic Test Systems (ATSs).” The information can include test, resource, diagnostic and historical data. See the IEEE P1671 project description.

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ATML documents use XML, with schema-defined elements and structures that software can parse and people can inspect. The family covers distinct areas such as test results, diagnostics, test descriptions, instruments, test configuration, unit under test (UUT) data, test stations, interface adapters and common types. These are related schemas, not one all-purpose file format.

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A schema standardizes how particular information is represented. It does not execute a test, require a particular test setup, or guarantee that two products can exchange every field successfully. Actual interoperability depends on the specific schemas and revisions each tool implements, the direction of exchange, and how it handles extensions or unsupported data.

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Which ATML standards are published, and what is being revised?

ATML is a standards family, so the status of one component does not establish the status of all others. IEEE SA’s listings distinguish published standards from projects in development:

Standard or project Scope IEEE SA status in the cited listing
IEEE/IEC 61671-2012 ATML framework for XML exchange between automatic test systems and test information Active
IEEE 1671.1-2017 ATML test descriptions, including static UUT description and information about a specific UUT instance Active
IEEE 1671.1-2023 Corrigendum 1 Corrects XML schema files for consistency with the standard text Active
IEEE/IEC 61671-2016 series Test configuration, test adapter description and test-station description Active listings
IEEE 1671.6-2015 Test-station description Inactive-reserved as a standalone IEEE entry; distinguish it from the active international adoption above
P1671 Project to revise the ATML framework; approved June 29, 2023 Active project, shown as superseding IEEE 1671-2010; not a published replacement standard

Check the individual P1671 project page, IEEE/IEC 61671-2012 listing, IEEE 1671.1-2017 listing, IEEE/IEC 61671-2016 listings, and IEEE 1671.6-2015 listing for current status. Project and standard statuses can change.

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How does ATML exchange test information?

In a typical exchange, one system produces an XML document organized according to a relevant ATML schema, and another system reads that document to use the represented information. The schema gives both sides a defined structure for the data. The exact content depends on the ATML area involved: a test-results document, for example, is not interchangeable in purpose with a test-station description.

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For an integration or tool evaluation, establish the details before relying on “ATML support” as a compatibility claim:

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  • Can the receiving system validate and use the exchanged documents in the intended workflow?

Support for an XML schema alone does not answer whether a particular pair of tools can exchange all the data an organization needs.

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What does the 2005 TestStand example show?

A March 2005 Electronic Design/Evaluation Engineering overview reported that National Instruments TestStand 3.1 could generate an XML report based on ATML TestResults. It also named work by BAE Systems, Indra Sistemas, Lockheed Martin and Boeing. These are historical examples from that article, not evidence that current versions of those products or organizations offer the same functionality. The article is available at Electronic Design.

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