Decoding Overall Status tag values published by @ptitude Observer's OPC server

Summary

When using @ptitude Observer's built-in OPC server to publish data for measurement points in the @ptitude Observer hierarchy, an overall status tag is available:

This article explains what contributes to the Overall Status value and therefore how to decode its meaning.

Details

The value published is dictated by and can be decoded to understand, the status flags applying to the measurement. In the table below each contributing bit is defined by a bit number, decimal value when set and associated name/function. 

Each bit that is set contributes that bit value to the value of the tag. As an example, decoding a value of '385':

Value 385 = 1 (eOk) + 128 (eHW High Warning) + 256  (eHA High Alarm)

Table notes

1. Used for harmonic points in an older version of @ptitude Observer.
2. For entries with a green background, further explanation of the bit function/meaning can be found in the @ptitude Observer User Manual Part No. 32170900.

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