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Qual flags

Reading Quality Flags

            1                   0  
  5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 |P|S|I|O|M|I|F|V|K| SUB/EST | Q |
 +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Bit IEC code Subsystem Meaning Description
7 2.5.259 MS Known Missing Read Missing value, e.g. if data no longer stored in meter
8 3.0.0 MDM Validated Data passed validation check
9 3.5.259 MDM Failed Reasonability Data outside expected range
10 3.6.0 MDM Invalid Failed validation check
11 3.7.0 MDM Edited Manually edited
12 Reserved
13 1.4.2 ED Partial Interval Short interval due to clock change, power outage, etc
14 1.4.4 ED Skipped Interval End device skipped interval
15 1.2.32 ED Power Failure Zero reading due to power failure

Subsystems: MS - Metering System MDM - Meter Data Management System ED - End Device