OBIS Codes Reference
Document Context
- Purpose: Comprehensive OBIS code reference for DLMS/COSEM smart meter data identification including energy, power, voltage, and current measurements
- When to use: Configuring meter scalers, interpreting meter data, setting up MQTT templates, troubleshooting DLMS communication
- Prerequisites: Understanding of DLMS/COSEM protocol, smart meter concepts, electrical measurement terminology
- Related to: Current scalers, Custom scalers, Meter communication, MQTT templates
- Validates against: DLMS/COSEM standard specifications, IEC 62056 series, smart meter manufacturer implementations
Key Facts
- Standard: DLMS/COSEM Object Identification System for standardized meter data access
- Categories: Energy (1.8.x, 2.8.x), reactive energy (3.8.x, 4.8.x), instantaneous power (1.7.x, 2.7.x), voltage/current (32.7.x, 31.7.x)
- Tariff support: Multi-tariff measurements (T1, T2) and total values (T0)
- Phase identification: L1, L2, L3 phase-specific measurements for three-phase systems
- Units: Wh (energy), W (power), var/varh (reactive), V (voltage), A (current)
The following table provides a description of selected OBIS codes used in energy metering systems. These codes are standardized identifiers for various energy measurements and meter parameters according to the DLMS/COSEM standard.
Energy Values
| OBIS Code |
Description |
Unit |
| 1.8.0 |
Positive active energy (A+) total |
Wh |
| 1.8.1 |
Positive active energy (A+) in tariff T1 |
Wh |
| 1.8.2 |
Positive active energy (A+) in tariff T2 |
Wh |
| 2.8.0 |
Negative active energy (A-) total |
Wh |
| 2.8.1 |
Negative active energy (A-) in tariff T1 |
Wh |
| 2.8.2 |
Negative active energy (A-) in tariff T2 |
Wh |
Reactive Energy
| OBIS Code |
Description |
Unit |
| 3.8.0 |
Positive reactive energy (Q+) total |
varh |
| 3.8.1 |
Positive reactive energy (Q+) in tariff T1 |
varh |
| 3.8.2 |
Positive reactive energy (Q+) in tariff T2 |
varh |
| 4.8.0 |
Negative reactive energy (Q-) total |
varh |
| 4.8.1 |
Negative reactive energy (Q-) in tariff T1 |
varh |
| 4.8.2 |
Negative reactive energy (Q-) in tariff T2 |
varh |
Quadrant Energy
| OBIS Code |
Description |
Unit |
| 5.8.0 |
Imported inductive reactive energy in 1st quadrant (Q1) total |
varh |
| 5.8.1 |
Imported inductive reactive energy in 1st quadrant (Q1) in tariff T1 |
varh |
| 5.8.2 |
Imported inductive reactive energy in 1st quadrant (Q1) in tariff T2 |
varh |
| 6.8.0 |
Imported capacitive reactive energy in 2nd quadrant (Q2) total |
varh |
| 6.8.1 |
Imported capacitive reactive energy in 2nd quadrant (Q2) in tariff T1 |
varh |
| 6.8.2 |
Imported capacitive reactive energy in 2nd quadrant (Q2) in tariff T2 |
varh |
| 7.8.0 |
Exported inductive reactive energy in 3rd quadrant (Q3) total |
varh |
| 7.8.1 |
Exported inductive reactive energy in 3rd quadrant (Q3) in tariff T1 |
varh |
| 7.8.2 |
Exported inductive reactive energy in 3rd quadrant (Q3) in tariff T2 |
varh |
| 8.8.0 |
Exported capacitive reactive energy in 4th quadrant (Q4) total |
varh |
| 8.8.1 |
Exported capacitive reactive energy in 4th quadrant (Q4) in tariff T1 |
varh |
| 8.8.2 |
Exported capacitive reactive energy in 4th quadrant (Q4) in tariff T2 |
varh |
Maximum Demand
| OBIS Code |
Description |
Unit |
| 1.6.0 |
Positive active maximum demand (A+) total |
Wh |
| 1.6.1 |
Positive active maximum demand (A+) in tariff T1 |
Wh |
| 1.6.2 |
Positive active maximum demand (A+) in tariff T2 |
Wh |
| 2.6.0 |
Negative active maximum demand (A-) total |
Wh |
| 2.6.1 |
Negative active maximum demand (A-) in tariff T1 |
Wh |
| 2.6.2 |
Negative active maximum demand (A-) in tariff T2 |
Wh |
Instantaneous Power
| OBIS Code |
Description |
Unit |
| 1.7.0 |
Positive active instantaneous power (A+) |
W |
| 21.7.0 |
Positive active instantaneous power (A+) in phase L1 |
W |
| 41.7.0 |
Positive active instantaneous power (A+) in phase L2 |
W |
| 61.7.0 |
Positive active instantaneous power (A+) in phase L3 |
W |
| 2.7.0 |
Negative active instantaneous power (A-) |
W |
| 22.7.0 |
Negative active instantaneous power (A-) in phase L1 |
W |
| 42.7.0 |
Negative active instantaneous power (A-) in phase L2 |
W |
| 62.7.0 |
Negative active instantaneous power (A-) in phase L3 |
W |
Reactive Power
| OBIS Code |
Description |
Unit |
| 3.7.0 |
Positive reactive instantaneous power (Q+) |
var |
| 23.7.0 |
Positive reactive instantaneous power (Q+) in phase L1 |
var |
| 43.7.0 |
Positive reactive instantaneous power (Q+) in phase L2 |
var |
| 63.7.0 |
Positive reactive instantaneous power (Q+) in phase L3 |
var |
| 4.7.0 |
Negative reactive instantaneous power (Q-) |
var |
| 24.7.0 |
Negative reactive instantaneous power (Q-) in phase L1 |
var |
| 44.7.0 |
Negative reactive instantaneous power (Q-) in phase L2 |
var |
| 64.7.0 |
Negative reactive instantaneous power (Q-) in phase L3 |
var |
Voltage and Current
| OBIS Code |
Description |
Unit |
| 9.7.0 |
Apparent instantaneous power (S+) |
VA |
| 32.7.0 |
Instantaneous voltage (U) in phase L1 |
V |
| 52.7.0 |
Instantaneous voltage (U) in phase L2 |
V |
| 72.7.0 |
Instantaneous voltage (U) in phase L3 |
V |
| 31.7.0 |
Instantaneous current (I) in phase L1 |
A |
| 51.7.0 |
Instantaneous current (I) in phase L2 |
A |
| 71.7.0 |
Instantaneous current (I) in phase L3 |
A |
| OBIS Code |
Description |
Unit |
| 96.1.0 |
Meter identifier |
|
| 96.1.1 |
Meter model |
|
| 42.0.0 |
Meter identifier (alternative) |
|
| 96.14.0 |
Current tariff |
|
| 13.7.0 |
Instantaneous power factor |
|
OBIS Standard
OBIS (Object Identification System) codes are part of the DLMS/COSEM standard for smart meter communication. These codes provide a standardized way to identify and access various energy measurements and meter parameters.