Honeywell Uniformance R300, Руководство пользователя

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Contents
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Uniformance - PHD OPC Server User Guide
4.7 PHD Server's interpolation and extrapolation ......................................... 45
5. Using the PHD OPC Server ............................................................................... 47
5.1 Overview ................................................................................................. 47
5.2 Guidelines for Accessing PHD Values.................................................... 47
5.3 Creating a PHD OPC Server Client Application...................................... 48
Required expertise ............................................................................... 48
Software developer tools ...................................................................... 48
5.4 PHD OPC Data Standards for Client Applications.................................. 49
PHD OPC name forms ......................................................................... 50
Supported data types ........................................................................... 50
Array indexing....................................................................................... 51
Enumerated data types ........................................................................ 51
Interpreting data quality ........................................................................ 53
Data confidence versus data quality .................................................... 54
Out of range and NaN values ............................................................... 54
Data for requested time of NOW .......................................................... 54
Extrapolated values .............................................................................. 55
Interpolated values ............................................................................... 55
INTERPOLATIVE (snapshot) ............................................................... 55