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ISA-95 is the international standard for the integration of enterprise and control systems. ISA-95 consists of models and terminology. Its official name is “ANSI/ISA-95 Enterprise-Control System Integration” (known internationally as IEC/ISO 62264). But the standards title does little to provide any information regarding its value. Leveraging this standard can bring company-wide perspective to system integration that allows you to take thousands of actions and data points and boil them down in an understandable framework. It focuses on activities - and it is meant to define and integrate the activities between business and ERP on one hand and MES, MOM and operations management on the other. The standard even covers the detailed level of sensors and the physical processes.
These models can be used to determine which information has to be exchanged between systems for sales, finance, and logistics, and systems for production, maintenance, and quality. This information is structured in UML models, which are the basis for the development of standard interfaces between ERP and MES systems. The ISA-95 standard can be used for several purposes, for example as a guide for the definition of user requirements, for the selection of MES suppliers, or as a basis for the development of MES systems and databases.
ISA-95 incorporates the layers model of technology and business process for manufacturing enterprises as levels for the standard. These levels are:
Manufacturing Operations Management systems reside in Level 3 of the model. From a component or software perspective, Levels 1 to 4 can be seen like this:
MOM systems address the following critical manufacturing functionalities: quality, safety, reliability, efficiency, and regulatory compliance. ISA-95 Part 3 defines the activities that occur in Manufacturing Operations Management systems as follows:
Production operations management
Maintenance operations management
Laboratory (i.e. quality) operations management
Material handling and storage management (including inventory control)
Supporting activities, including management of security, information, configuration, documentation, regulatory compliance, and incidents/deviations
Today’s MOM systems allow manufacturers to standardize and optimize processes across the enterprise, minimizing lead times, optimizing asset utilization, speeding time-to-market, and increasing both production visibility and collaborative abilities. In the global marketplace - dispersed over vast geographies, ever more reliant on manufacturing networks - MOM systems are taking an increasingly central role in enabling manufacturers to compete efficiently and profitably. ISA-95 Part 3 defines MOM as “activities, functions, and exchanges within level 3 of a manufacturing facility that coordinate the personnel, equipment, and material in manufacturing.” It includes production operations management, maintenance operations management, quality operations management, and inventory operations management.