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ISA: International Society of Automation

ISA, the International Society of Automation, is a nonprofit organization that develops and publishes standards guiding the field of industrial automation. Headquartered near Raleigh, United States, ISA standards are spread throughout the world by its 30,000 members, located in nearly 100 countries. In addition to developing ISA standards, ISA also runs two certification programs and provides a range of educational opportunities. Standards from ISA are available both individually, directly through the ANSI webstore, and as part of a Standards Subscription. If you or your organization are interested in easy, managed, online access to standards that can be shared, a Standards Subscription may be what you need - please contact us at: StandardsSubscriptions@ansi.org or 1-212-642-4980 or Request Proposal Price.

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ANSI/ISA 12.12.01-2015

Nonincendive Electrical Equipment for Use in Class I and II, Division 2 and Class III, Divisions 1 and 2 Hazardous (Classified) Locations

The purpose of this standard is to provide minimum requirements for the design, construction, and marking of electrical equipment or parts of such equipment for use in Class I and Class II, Division 2 and Class III, Divisions 1 and 2 hazardous (classified) locations. This equipment, in normal operation, is not capable of causing ignition of the surrounding atmosphere under the conditions prescribed in this standard, although the equipment may contain electronic components used in an incendive circuit and may also have field wiring that is an incendive circuit. In addition, it is the intent of this document to establish uniformity in test methods for determining the suitability of the equipment and associated circuits and components as they relate to potential ignition of a specific flammable gas or vapour-in-air mixture, combustible dust, easily ignitible fibers, or flyings.


ANSI/ISA 18.2-2016

Management of Alarm Systems for the Process Industries

This standard specifies general principles and processes for the lifecycle management of alarm systems based on programmable electronic controller and computer-based human-machine interface (HMI) technology for facilities in the process industries. It covers all alarms presented to the operator through the control system, which includes alarms from basic process control systems, annunciator panels, packaged systems (e.g., fire and gas systems, and emergency response systems), and safety instrumented systems.


ANSI/ISA 5.1-2009

Instrumentation Symbols and Identification

This standard is intended to meet the different procedures of various users who need to identify and graphically depict measurement and control equipment and systems. These differences are recognized when they are consistent with the objectives of this standard, by providing alternative symbol and identification methods.


ANSI/ISA 12.12.03-2011

Standard for Portable Electronic Products Suitable for Use in Class I and II, Division 2, Class I Zone 2 and Class III, Division 1 and 2 Hazardous (Classified) Locations

This standard applies to both body-worn and hand-held portable electronic products for use in Class I and II, Division 2, Class I, Zone 2, and Class III, Division 1 and 2 Hazardous (Classified) Locations which are not available listed or labeled for hazardous (classified) locations.


ANSI/ISA 12.27.01-2011

Requirements for Process Sealing Between Electrical Systems and Flammable or Combustible Process Fluids

This document provides specific requirements for process sealing between electrical systems and flammable or combustible process fluids where a failure could allow the migration of process fluids directly into the electrical system. This document contains requirements for construction and testing of single seal equipment, dual seal equipment, and add-on secondary seals.


ANSI/ISA 71.04-2013

Environmental Conditions for Process Measurement and Control Systems: Airborne Contaminants

This standard covers airborne contaminants and biological influences that affect industrial process measurement and control equipment, electronic office equipment, and data center and network equipment. Specific examples of electronic office equipment include: laptop computers, desktop computers, workstations, servers, data storage hardware, terminals, displays, laser and inkjet printers, copiers, and fax machines. Examples of data center equipment include: servers, switches, routers, displays, keyboards, data storage hardware, power distribution equipment, and climate control equipment such as heating, ventilating, and air-conditioning (HVAC). Some examples of networking equipment include telecommunications hardware, switches, and routers.


ANSI/ISA 101.01-2015

Human Machine Interfaces for Process Automation Systems

This standard addresses Human Machine Interfaces for equipment and automated processes. If the standard, recommended practices and methodology are followed, the result should enable the users to be more effective yielding improved safety, quality, productivity and reliability.



ISA-TR88.00.02-2015

Machine and Unit States: An implementation example of ANSI/ISA-88.00.01

Since its inception, the OMAC Packaging Machine Language (PackML) group has been using a variety of information sources and technical documents to define a common approach, or machine language, for automated machines. The primary goals are to encourage a common ôlook and feelö across a plant floor, and to enable and encourage industry innovation. The PackML group is recognized globally and consists of control vendors, OEMÆs, system integrators, universities, and end users, which collaborate on definitions that endeavour to be consistent with the ISA88 standards and consistent with the technology and the changing needs of a majority of automated machinery. The term ômachineö used in this report is equivalent to an ISA88 ôunitö.


ANSI/ISA 88.00.01-2010

Batch Control Part 1: Models and Terminology

This Part 1 standard on Batch Control defines reference models for batch and related procedure-oriented manufacturing as used in the process industries, and terminology that helps explain the relationships between these models and terms.


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As the voice of the U.S. standards and conformity assessment system, the American National Standards Institute (ANSI) empowers its members and constituents to strengthen the U.S. marketplace position in the global economy while helping to assure the safety and health of consumers and the protection of the environment.

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