A PI DataLink is a tool that provides a graphical interface within spreadsheet applications like Microsoft Excel for retrieving, displaying, and analyzing data from a PI Server (now known as OSIsoft Cloud Services/Aveva Data Hub). Essentially, it bridges the gap between the PI System, which collects and stores real-time data from various industrial processes and operations, and familiar spreadsheet software, making this data readily accessible and usable for analysis.
How PI DataLink Works
PI DataLink allows users to embed functions directly into spreadsheet cells. These functions, when evaluated, retrieve specific data points from the PI Server based on defined criteria such as tag names, time ranges, and calculations. As the PI Server receives updated data, PI DataLink can automatically refresh the spreadsheet, providing a live view of the process.
Key Features and Functionality
Here's a breakdown of the key features and functionalities offered by PI DataLink:
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Data Retrieval: It can retrieve various types of data from the PI Server, including:
- Current values: The most recent value recorded for a given tag.
- Historical data: Data recorded over a specific time period.
- Calculated data: Data derived from other data points using mathematical or logical operations.
- Event data: Information about specific events that occurred within the PI System.
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Data Formatting: PI DataLink provides options to format the retrieved data for better readability and analysis within the spreadsheet.
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Calculations and Analysis: Users can perform calculations on the data retrieved from the PI Server directly within the spreadsheet using built-in Excel functions or custom VBA scripts.
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Real-Time Updates: PI DataLink can be configured to automatically update the data in the spreadsheet as new data becomes available in the PI Server, providing a real-time view of the process.
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Integration with other Applications: PI DataLink can be integrated with other applications, such as data visualization tools, to further enhance data analysis and reporting capabilities.
Benefits of Using PI DataLink
- Easy Access to PI System Data: Provides a user-friendly interface for accessing and analyzing data stored in the PI System.
- Improved Data Analysis: Enables users to perform in-depth data analysis using familiar spreadsheet tools.
- Real-Time Monitoring: Facilitates real-time monitoring of industrial processes and operations.
- Enhanced Decision-Making: Supports better decision-making by providing timely and accurate data.
- Reduced Reporting Time: Automates the process of data retrieval and reporting.
Example Use Cases
- Process Monitoring: Monitoring key process parameters such as temperature, pressure, and flow rate in real-time.
- Performance Analysis: Analyzing historical data to identify trends and optimize process performance.
- Reporting: Generating reports on process performance and key performance indicators (KPIs).
- Troubleshooting: Investigating process anomalies and identifying root causes.
- Calculating Averages and Totals: Easily determine averages, sums, and other statistical calculations across large datasets stored in the PI System.
PI DataLink simplifies the process of accessing and utilizing data from the PI System, making it a valuable tool for engineers, operators, and other professionals who need to analyze and monitor industrial processes.
