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ISA 18.1

79th Edition, 1992

Complete Document

Annunciator Sequences and Specifications

Includes all amendments and changes through Reaffirmation Notice , 2004


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Active, Most Current

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Referenced Items:

ANSI C39.5
ASME Y14.38
IEEE 323
IEEE 344

Product Details:

  • Revision: 79th Edition, 1992
  • Published Date: January 2004
  • Status: Active, Most Current
  • Document Language: English
  • Published By: International Society of Automation (ISA)
  • Page Count: 54
  • ANSI Approved: No
  • DoD Adopted: Yes

Description / Abstract:

This Standard is primarily for use with electrical annunciators that call attention to abnormal process conditions by the use of individual illuminated visual displays and audible devices. Annunciators can range from a single annunciator cabinet, to complex annunciator systems with many lamp cabinets and remote logic cabinets. The sequence designations provided can be used to describe basic annunciator sequences and also many sequence variations. This Standard lists types of information that should be included in annunciator specifications and types of documents that should be provided by manufacturers; however, detailed design requirements and documentation formats are beyond the scope of this Standard.

Purpose

The purpose of this Standard is to establish uniform annunciator terminology, sequence designations, and sequence presentation and to assist in the preparation of annunciator specifications and documentation. This Standard is intended to improve communications among those that specify, distribute, manufacture, or use annunciators.