IEC62056-21:2002 Serial communication protocol
Supported device types and versions
Communication line configuration
Communication line protocol parameters
Communication station configuration
Station protocol parameters
I/O tag configuration
I/O tag address
Literature
Changes and modifications
Document revisions
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Abbreviated format of the address is supported: C.D[.E][*F] as well as full format A.B.C.D[.E][*F]
(from 31.5.2021 also format containing colon and hyphen separators instead of a full stop, e.g. A-B:C.D.E)
in which:
- A - Value group A (number in range 0..15). The number defines media (energy type) to which the metering is related. Nonmedia related information is handled as abstract data.
- 0 - Abstract objects
- 1 - Electricity related objects
- 4 - Heat cost allocator related objects
- 5 - Cooling related objects
- 6 - Heat related objects
- 7 - Gas related objects
- 8 - Cold water related objects
- 9 - Hot water related objects
- All other - reserved
- B - Value group B (number in range 0..255). The number defines the channel number (for devices with multiple inputs, data concentrators etc).
- 0 - No channel specified
- 1…64 - Channel 1-64
- 65…127 - Utility specific codes
- 128…199 - Manufacturer specific codes
- 200…255 - Reserved
- C - Value group C (number in range 0..255 or characters 'C', 'F', 'L' or 'P'). The number defines the abstract or physical data items related to the information source concerned, for example, current, voltage, power, volume, temperature and for range 0…89 it depends on value group A:
- 0…89 -Context-specific identifiers (depending on Value group A). For electricity-related objects (A = 1):
- 0 - General purpose objects
- 1 - Sum(Li) Active power+ (QI+QIV)
- 2 - Sum(Li) Active power- (QII+QIII)
- 3 - Sum(Li) Reactive power+ (QI+QII)
- 4 - Sum(Li) Reactive power– (QIII+QIV)
- 5 - Sum(Li) Reactive power QI
- 6 - Sum(Li) Reactive power QII
- 7 - Sum(Li) Reactive power QIII
- 8 - Sum(Li) Reactive power QIV
- 9 - Sum(Li) Apparent power+ (QI+QIV)
- 10 - Sum(Li) Apparent power– (QII+QIII)
- 11 - Current : any phase
- 12 - Voltage : any phase
- 13 - Sum(Li) Power factor-
- 14 - Supply frequency
- 15 - Sum(Li) Active power (abs(QI+QIV)+abs(QII+QIII))
- 16 - Sum(Li) Active power (abs(QI+QIV)-abs(QII+QIII))
- 17 - Sum(Li) Active power QI
- 18 - Sum(Li) Active power QII
- 19 - Sum(Li) Active power QIII
- 20 - Sum(Li) Active power QIV
- 21 - L1 Active power+
- 22 - L1 Active power–
- 23 - L1 Reactive power+
- 24-30 L1 etc.. (see 4-10)
- 31 - L1 Current
- 32 - L1 Voltage
- 33 - L1 Power factor
- 34 - L1 Supply frequency
- 35-40 L1 Active power... etc. (see 15-20)
- 41 - L2 Active power+
- 42 - L2 Active power–
- 43 - L2 Reactive power+
- 44-60 - L2 etc. (see 24-40)
- 61 - L3 Active power+
- 62 - L3 Active power–
- 63 - L3 Reactive power+
- 64-80 - L3 etc. (see 24-40)
- 81 - Angles
- 82 - Unitless quantity (pulses or pieces)
- 83 - Transformer and line loss quantities
- 84 - Sum(Li) power factor–
- 85 - L1 Power factor–
- 86 - L2 Power factor–
- 87 - L3 Power factor–
- 88 - Sum(Li) Ampere-squared hours (QI+QII+QIII+QIV)
- 89 - Sum(Li) Volt-squared hours (QI+QII+QIII+QIV)
- 91 - L0 current (neutral)
- 92 - L0 voltage (neutral)
- 93 - Consortia specific identifiers
- 94 - Country specific identifiers
- 96 - Electricity-related service entries
- 97 - Electricity-related error messages
- 98 - Electricity list
- 99 - Electricity data profile
- 100…127 - Reserved
- 128...199, 240 - Manufacturer specific codes
- All other - Reserved
- 93 - Consortia specific identifiers
- 94 - Country specific identifiers
- 96 - General service entries (can be entered as character 'C')
- 97 - General error messages (can be entered as character 'F')
- 98 - General list objects (can be entered as character 'L')
- 99 - Abstract data profiles (can be entered as character 'P')
- 127 - Inactive objects
- 128…199, 240 - Manufacturer specific codes
- 200…255 - Reserved
- 0…89 -Context-specific identifiers (depending on Value group A). For electricity-related objects (A = 1):
- D - Value group D (number in range 0..255). The number defines types of data depending on Value group A and C, after processing by various specific algorithms. For A=1 and C<>0,93…94,95…99:
- 0 - Billing period average (since the last reset)
- 1 - Cumulative minimum 1
- 2 - Cumulative maximum 1
- 3 - Minimum 1
- 4 - Current average 1
- 5 - Last average 1
- 6 - Maximum 1
- 7 - Instantaneous value
- 8 - Time integral 1
- 9 - Time integral 2
- 10 - Time integral 3
- 11 - Cumulative minimum 2
- 12 - Cumulative maximum 2
- 13 - Minimum 2
- 14 - Current average 2
- 15 - Last average 2
- 16 - Maximum 2
- 17 - Time integral 7
- 18 - Time integral 8
- 19 - Time integral 9
- 20 - Time integral 10
- 21 - Cumulative minimum 3
- 22 - Cumulative maximum 3
- 23 - Minimum 3
- 24 - Current average 3
- 25 - Last average 3
- 26 - Maximum 3
- 27 - Current average 5
- 28 - Current average 6
- 29 - Time integral 5
- 30 - Time integral 6
- 31 - Under limit threshold
- 32 - Under limit occurrence counter
- 33 - Under limit duration
- 34 - Under limit magnitude
- 35 - Over limit threshold
- 36 - Over limit occurrence counter
- 37 - Over limit duration
- 38 - Over limit magnitude
- 39 - Missing threshold
- 40 - Missing occurrence counter
- 41 - Missing duration
- 42 - Missing magnitude
- 55 - Test average
- 58 - Time integral 4
- 128...254 - Manufacturer specific codes
- All other - Reserved
- E - Value group E (number in range 0..255). The number defines further processing or classification of quantities identified by value groups A, C, D. Various standard-defined classifications depending on Value groups:
- Identification of tariff rates - Electricity related objects (A = 1)
- Identification of harmonics - Electricity related objects (A = 1), measurement of harmonics of voltage (C = 12, 32, 52, 72, 92), current (C = 11, 31, 51, 71, 91) or active power (C = 15, 35, 55, 75), D = 7 or D = 24
- Identification of phase angles - Electricity related objects (A = 1); angle measurement (C = 81; D = 7)
- Identification of transformer and line loss quantities - Electricity related objects (A = 1); transformer and line loss quantities (C = 83)
- Identification of UNIPEDE voltage dips - Electricity related objects (A = 1), Voltage dips measurement (C = 12, 32, 52, 72, D = 32)
- F - Value group F (number in range 0..255). The number defines the storage of data, identified by value groups A…E, according to different billing periods. Where this is not relevant, this value group can be used for further classification. If it is not used, it is set to 255.
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