ISA-95 equipment model
Summarize
Summary of ISA-95 equipment model
The ISA-95 equipment model is an industry standard designed to represent industrial facilities and their production equipment through a structured hierarchical template. This model enables ServiceNow customers to map and manage equipment entities across multiple industrial sites using defined levels and level types. It supports secure, role-based access control by allowing user assignments per site, ensuring users can only access appropriate site-specific equipment information.
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Key Features
- Hierarchical Equipment Model Template: Defines multiple levels—from site level down to detailed work units—to structure equipment entities logically.
- Multi-site Equipment Models: Supports creation and management of equipment models for various industrial locations.
- User Access Management: Allows assignment of users to specific sites to control access to equipment model data accordingly.
- Entity Records: Equipment model entities are stored in the Equipment Model Entity [cmdbciotisaentity] table for centralized management.
- Standard ISA-95 Template: Delivered with Industrial Process Manager, this template includes levels such as site, door assembly area, work centers, and work units.
Equipment Model Levels and Level Types
The model organizes industrial equipment into hierarchical levels with specific level types to represent various manufacturing areas and functions:
- Work Cell: A designated area where resources are arranged to efficiently complete specific tasks or processes.
- Work Center: Encompasses people, machinery, and equipment grouped by function.
- Work Unit: The most detailed level representing individual equipment or resource units.
Within the Work Center level, four distinct level types help categorize production areas:
- Process Cell: Focused area for a production stage containing automation equipment (PLCs, sensors, actuators) for control and monitoring.
- Production Unit: Groups related process cells to coordinate manufacturing operations and material flow.
- Production Line: Sequential arrangement of process cells or units managing the entire manufacturing process from raw materials to finished goods.
- Storage Zone: Areas designated for storing raw materials, in-process items, or finished goods, integrated with inventory management.
- Storage Unit: Specific spaces for storing equipment or materials within storage zones.
Benefits for ServiceNow Customers
- Enables detailed and standardized modeling of industrial equipment across multiple sites within ServiceNow.
- Improves operational visibility and control through hierarchical structuring aligned with ISA-95 standards.
- Supports secure, site-specific access control to protect sensitive equipment data.
- Facilitates integration with industrial processes and quality monitoring through defined equipment levels and types.
The ISA-95 equipment model is an industry standard that represents an industrial facility and the production equipment in it. Describe the equipment model entities in your facilities by defining an equipment model template with different levels and level types.
- Map your equipment model entities. With this map, you create a hierarchical structure.
- Create multiple equipment models for multiple industrial sites.
- Assign users to each site so that you can manage their access to the equipment model information for specific sites. For example, you can designate that users in Atlanta can access only the Atlanta site information but not the data for a site in Michigan. To learn more, see Assign or remove equipment model site access for non-administrators.
The equipment models start at the site level and contain a detailed hierarchical structure that describes each industrial site. You can apply an equipment model template to structure this data in a hierarchical sequence.
Equipment model entity records are located in the Equipment Model Entity [cmdb_ci_ot_isa_entity] table. For more information about managing your equipment model entity, see Managing equipment models.
- The subordinate levels under a site represent the door assembly area, its own subordinate work
centers, and work units.
A work cell is a designated area within a manufacturing facility where a group of resources are strategically arranged to work together and complete a specific task or process efficiently. A work center includes people, machinery, and equipment.
- The Work Centers and Work Unit levels each have level types. In this model, there are four different level types for the Work Center level:
- Process Cell: An area within a manufacturing facility dedicated toward a particular stage of production. It includes all necessary equipment such as programmable logical controllers (PLCs), sensors, and actuators to
automate and monitor processes. Process cell data is collected for control, quality monitoring, and diagnostics.
For example, a robotic welding cell in an automotive factory.
- Production Unit: A group of process cells that perform related manufacturing operations. It coordinates process cell activities and manages material and data flow.
For example, a car manufacturing plant production unit might include cells for welding, painting, assembling, and packaging.
- Production Line: A sequence of process cells or production units that manufacture a product from start to finish. It provides overall control and monitoring, and coordinates activities across all cells and units. It
also manages the entire process from raw materials to finished goods.
For example, an automotive assembly line where parts are assembled into a complete vehicle.
- Storage Zone: A designated area for storing raw materials, work-in-progress items, or finished goods. Inventory management systems maintain material flow and availability.
For example, a warehouse for raw materials before production or finished goods awaiting shipment.
- Storage Unit: A designated space or structure for keeping specific equipment, materials, or products.
For example, a car manufacturing plant uses storage units for car paint, electrical accessories, and raw steel.
- Process Cell: An area within a manufacturing facility dedicated toward a particular stage of production. It includes all necessary equipment such as programmable logical controllers (PLCs), sensors, and actuators to
automate and monitor processes. Process cell data is collected for control, quality monitoring, and diagnostics.