Welcome to the PI Interface for Universal File and Stream Loading
- Last UpdatedFeb 18, 2026
- 1 minute read
The PI Interface for Universal File and Stream Loading (UFL) reads data from American Standard Code for Information Interchange (ASCII ) data sources and writes data to Data Archive. The interface parses and transforms the incoming data, and updates PI points.
The PI UFL interface can read text from:
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ASCII files on Windows drives
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Serial ports
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Email servers through the Post Office Protocol 3 and Post Office Protocol Secure (POP3 and POP3S)