IEC 60870-5-104 Quality Descriptor Descriptor Parser
Decodes QDS (Quality Descriptor) bits for telecontrol process information points.
Notice: engineering verification utility. Use test or de-identified data and verify results independently before relying on them.
How it works
Standard: IEC 60870-5-104 Telecontrol Protocols
Formula: Bit extraction for Overridden (OV), Blocked (BL), Invalid (IV), Substituted (SB), and Transient (NT)
Checks: Valid quality descriptor byte bitmask
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