SEMI E39 - Specification for Object Services: Concepts, Behavior, and Services

Volume(s): Equipment Automation Software
Language: English
Type: Single Standards Download (.pdf)

This Standard was technically approved by the Information & Control Global Technical Committee. This edition was approved for publication by the global Audits and Reviews Subcommittee on August 17, 2018. Available at and in December 2018; originally published in 1995; previously published June 2014.

The purpose of the Object Services Standard (OSS) is to provide general terminology, conventions, and notation for describing behavior and data in terms of objects and object attributes. In addition, it provides basic services for reading object attributes, setting their values, and for asking for an object’s contents. This Standard is intended to be referenced by other Standards which define specific objects to reduce redundancy.

The scope of this Standard is to provide concepts, behavior, and services common to a variety of public objects.

Object models are common to multiple Standards. Object Services provide basic object-related definitions, and basic services for getting object attributes and setting attribute values, that can be used by all Standards defining public objects. These services allow basic management of data based on objects.

The object services defined in this Document may be included in the services provided by other Standards. They may also be provided independently of such other Standards.

Subordinate Standard:

SEMI E39.1-1218 — Specificatio for SECS-II Protocol for Object Services (OSS)

Referenced SEMI Standards

SEMI E5 — Specification for SEMI Equipment Communications Standard 2 Message Content (SECS-II)

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