Source: OSI Software, Inc.
The Plant Information (PI) System is a set of software modules for plant-wide monitoring and analysis.
OSI Software, Inc.nformation (PI) System is a set of software modules for plant-wide monitoring and analysis. The PI Server Applications are the foundation of this system. They handle the collection, storage, and retrieval of numerical and string data. They also act as a data server for Microsoft Windows-based client applications that operators, engineers, managers, and other plant personnel use to view the plant data stored in the PI Data Archive. A typical system consists of multiple computers running various software modules that work together with the PI Server Applications. A popular option is to use the PI-API and PINet/VMS to implement a distributed data collection architecture.
The PI Server Applications are installed on a network node called the PI Home Node. The PI Server Applications include:
- Core Subsystems
- PI-Data Archive
- Point Database Subsystem
- Update Manager Subsystem
- Snapshot Subsystem
- Subroutines such as data compression and security
- PI-Network Manager
- Performance Equations Scheduler (calculation module)
- Totalizer Subsystem
- PI-Batch Subsystem
- PI-SQL Subsystem.
- PI-Alarm Server
- PI-ODBC Server
- PI-SMT (System Management Tools)
- PI-Health Check
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