Profile Generic selective access: range descriptor example
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Field Observation (Synthetic Trace): The meter real-time clock drifts 127 seconds behind the data concentrator. The daily billing row appears "missing" only when queried with the server timezone rather than the meter deviation.
Long reference URL used only to test wrapping:
https://example.invalid/synthetic-dlms-trace/segment/segment/segment/segment/segment/segment/segment/segment/segment/segment/segment/segment/segment/segment/segment/segment/segment/segment/?obis=0.0.40.0.0.255&counter=42Long identifier-like token used only to test overflow containment:
000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F202122232425262728292A2B2C2D2E2F303132333435363738393A3B3C3D3E3F404142434445464748494A4B4C4D4E4F505152535455565758595A5B5C5D5E5F606162636465666768696A6B6C6D6E6F707172737475767778797A7B7C7D7E7F808182838485868788898A8B8C8D8E8F909192939495969798999A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFConclusion Boundary: Verified that the layout safely handles long unbroken tokens without overflow; does not represent physical meter state.
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A zero-row response can be valid when the meter clock and requested UTC interval do not overlap. Read clock attribute 2 before changing the selector.
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