4.1 DLMS

DLMS (Device Language Message Specification) is a way how to get connected to 2N® MeterCom PRO and obtain information on its current state, energy delivery readings, calendar and relay settings and/or firmware upgrade.

Note

  • Make sure that there is a GPRS / UMTS supporting SIM card, Ethernet interface or RS-485 bus in your 2N® MeterCom PRO to make DLMS work properly.
  • The DLMS protocol is supported by all the above mentioned interfaces.

DLMS / IEC 62056 Control

IEC 62056 is a set of electric power metering and data exchange standards issued by the International Electrotechnical Commission, specifying DLMS / COSEM. DLMS is a set of standards issued and maintained by the DLMS User Association and incorporated into IEC 62056 according to IEC TC13 WG14. COSEM (Companion Specification for Energy Metering) includes a set of DLMS transport and application layer specifications. The DLMS User Association defines four specification documents: Green Book, Yellow Book, Blue Book and White Book. The Blue Book describes the object model of COSEM meters and identification of OBIS objects. The Green Book describes the architecture and protocols, the Yellow Book deals with compliance testing and the White Book contains a dictionary of terms. 

The DLMS server listens on the default  TCP port 4059. The server supports a logical reference name with two verification levels. One connection is only allowed, other links are rejected. The table below sums up information on connections in the insecure Public Reader and secure Meter Reader modes. 

Client typeAuth. levelClient addr.Server addr. LOWServer addr. HIPassword
Public ReaderNONE0x100x000x01---
Meter ReaderLOW0x200x000x01HELLO

Caution

  • The default password HELLO is used for the first login. We strongly recommend you to change the password.
  • Some versions can have client-modified default passwords.

The list of supported DLMS objects with respective OBIS codes is included in the table below.

OBIS codeClass IDDescription
0.0.42.0.0.2551COSEM logical device name
1.0.0.2.0.2551Meter firmware ID
1.0.0.2.1.2551Configuration ID
1.0.0.2.2.2551Active calendar ID
1.0.0.2.7.2551Passive calendar ID
1.0.0.2.8.2551Meter FW checksum
1.1.0.2.0.2551Module firmware ID
0.0.96.1.1.2551Meter customer ID 0.0
0.0.96.1.2.2551Meter manufacture ID C.1.1
0.1.96.1.0.2551Module serial number Read Only
0.1.96.1.1.2551

Module registration number Read/Write

0.1.96.90.255.2551Module hardware configuration empty yet
0.0.96.90.255.2551Meter configuration ID
0.0.96.90.0.2551Meter IEC address
0.0.96.90.1.2551Meter IEC address 1 characters 18
0.0.96.90.2.2551Meter IEC address 2 characters 916
0.0.96.14.0.2551Active rate
0.0.96.14.1.2551Relay 1 state
0.0.96.14.2.2551Relay 2 state
0.0.96.7.0.2551Count of power failures in all three phases
0.0.96.7.1.2551Phase fail counter L1
0.0.96.7.2.2551Phase fail counter L2
0.0.96.7.3.2551Phase fail counter L3
1.0.96.5.0.2551Meter internal operating status
1.1.96.5.0.2551Module internal operating status
1.0.0.8.0.2551*Demand integration period
1.0.0.8.4.2551Profile 1 capture period
1.0.0.8.5.2551Profile 2 capture period
0.0.44.0.0.2551URL for firmware upgrade
0.0.97.97.0.2551Meter error code
0.1.97.97.0.2551Module error code
1.0.21.7.0.2553Active power import L1
1.0.41.7.0.2553Active power import L2
1.0.61.7.0.2553Active power import L3
1.0.22.7.0.2553Active power export L1
1.0.42.7.0.2553Active power export L2
1.0.62.7.0.2553Active power export L3
1.0.2.7.0.2553Active power export
1.0.23.7.0.2553Reactive power import L1
1.0.43.7.0.2553Reactive power import L2
1.0.63.7.0.2553Reactive power import L3
1.0.31.7.0.2553Current L1
1.0.51.7.0.2553Current L2
1.0.71.7.0.2553Current L3
1.0.32.7.0.2553Voltage L1
1.0.52.7.0.2553Voltage L2
1.0.72.7.0.2553Voltage L3
1.0.33.7.0.2553Power factor L1
1.0.53.7.0.2553Power factor L2
1.0.73.7.0.2553Power factor L3
1.0.13.7.0.2553Average power factor
1.0.14.7.0.2553Mains frequency
1.0.35.7.0.2553Active power export L1
1.0.55.7.0.2553Active power export L2
1.0.75.7.0.2553Active power export L3
1.0.15.7.0.2553Active power export
1.0.36.7.0.2553Power L1
1.0.56.7.0.2553Power L2
1.0.76.7.0.2553Power L3
1.0.16.7.0.2553Total power
1.0.131.7.0.2553Power reactive total
1.0.151.7.0.2553Power reactive L1
1.0.171.7.0.2553Power reactive L2
1.0.191.7.0.2553Power reactive L3
1.0.1.8.0.2553Energy import total
1.0.1.8.1.2553Energy import rate 1
1.0.1.8.2.2553Energy import rate 2
1.0.1.8.3.2553Energy import rate 3
1.0.1.8.4.2553Energy import rate 4
1.0.1.8.5.2553Energy import rate 5
1.0.1.8.6.2553Energy import rate 6
1.0.2.8.0.2553Energy export total
1.0.2.8.1.2553Energy export rate 1
1.0.2.8.2.2553Energy export rate 2
1.0.2.8.3.2553Energy export rate 3
1.0.2.8.4.2553Energy export rate 4
1.0.2.8.5.2553Energy export rate 5
1.0.2.8.6.2553Energy export rate 6
1.0.3.8.0.2553Reactive energy import total
1.0.3.8.1.2553Reactive energy import rate 1
1.0.3.8.2.2553Reactive energy import rate 2
1.0.3.8.3.2553Reactive energy import rate 3
1.0.3.8.4.2553Reactive energy import rate 4
1.0.3.8.5.2553Reactive energy import rate 5
1.0.3.8.6.2553Reactive energy import rate 6
1.0.4.8.0.2553Reactive energy export total
1.0.4.8.1.2553Reactive energy export rate 1
1.0.4.8.2.2553Reactive energy export rate 2
1.0.4.8.3.2553Reactive energy export rate 3
1.0.4.8.4.2553Reactive energy export rate 4
1.0.4.8.5.2553Reactive energy export rate 5
1.0.4.8.6.2553Reactive energy export rate 6
1.0.5.8.0.2553Reactive energy Q1 total
1.0.5.8.1.2553Reactive energy Q1 rate 1
1.0.5.8.2.2553Reactive energy Q1 rate 2
1.0.5.8.3.2553Reactive energy Q1 rate 3
1.0.5.8.4.2553Reactive energy Q1 rate 4
1.0.5.8.5.2553Reactive energy Q1 rate 5
1.0.5.8.6.2553Reactive energy Q1 rate 6
1.0.6.8.0.2553Reactive energy Q2 total
1.0.6.8.1.2553Reactive energy Q2 rate 1
1.0.6.8.2.2553Reactive energy Q2 rate 2
1.0.6.8.3.2553Reactive energy Q2 rate 3
1.0.6.8.4.2553Reactive energy Q2 rate 4
1.0.6.8.5.2553Reactive energy Q2 rate 5
1.0.6.8.6.2553Reactive energy Q2 rate 6
1.0.7.8.0.2553Reactive energy Q3 total
1.0.7.8.1.2553Reactive energy Q3 rate 1
1.0.7.8.2.2553Reactive energy Q3 rate 2
1.0.7.8.3.2553Reactive energy Q3 rate 3
1.0.7.8.4.2553Reactive energy Q3 rate 4
1.0.7.8.5.2553Reactive energy Q3 rate 5
1.0.7.8.6.2553Reactive energy Q3 rate 6
1.0.8.8.0.2553Reactive energy Q4 total
1.0.8.8.1.2553Reactive energy Q4 rate 1
1.0.8.8.2.2553Reactive energy Q4 rate 2
1.0.8.8.3.2553Reactive energy Q4 rate 3
1.0.8.8.4.2553Reactive energy Q4 rate 4
1.0.8.8.5.2553Reactive energy Q4 rate 5
1.0.8.8.6.2553Reactive energy Q4 rate 6
1.0.9.8.0.2553Apparent energy
1.0.9.8.1.2553Apparent energy rate 1
1.0.9.8.2.2553Apparent energy rate 2
1.0.9.8.3.2553Apparent energy rate 3
1.0.9.8.4.2553Apparent energy rate 4
1.0.9.8.5.2553Apparent energy rate 5
1.0.9.8.6.2553Apparent energy rate 6
1.0.15.8.0.2553Energy combined total
1.0.15.8.1.2553Energy combined rate 1
1.0.15.8.2.2553Energy combined rate 2
1.0.15.8.3.2553Energy combined rate 3
1.0.15.8.4.2553Energy combined rate 4
1.0.15.8.5.2553Energy combined rate 5
1.0.15.8.6.2553Energy combined rate 6
1.0.16.8.0.2553Absolute value of active energy
1.0.16.8.1.2553Absolute value of active energy rate 1
1.0.16.8.2.2553Absolute value of active energy rate 2
1.0.16.8.3.2553Absolute value of active energy rate 3
1.0.16.8.4.2553Absolute value of active energy rate 4
1.0.16.8.5.2553Absolute value of active energy rate 5
1.0.16.8.6.2553Absolute value of active energy rate 6
1.0.21.8.0.2553Active import energy phase L1
1.0.21.8.1.2553Active import energy phase L1 rate 1
1.0.21.8.2.2553Active import energy phase L1 rate 2
1.0.21.8.3.2553Active import energy phase L1 rate 3
1.0.21.8.4.2553Active import energy phase L1 rate 4
1.0.21.8.5.2553Active import energy phase L1 rate 5
1.0.21.8.6.2553Active import energy phase L1 rate 6
1.0.41.8.0.2553Active import energy phase L2
1.0.41.8.1.2553

Active import energy phase L2 rate 1

1.0.41.8.2.2553Active import energy phase L2 rate 2
1.0.41.8.3.2553Active import energy phase L2 rate 3
1.0.41.8.4.2553Active import energy phase L2 rate 4
1.0.41.8.5.2553Active import energy phase L2 rate 5
1.0.41.8.6.2553Active import energy phase L2 rate 6
1.0.61.8.0.2553Active import energy phase L3
1.0.61.8.1.2553Active import energy phase L3 rate 1
1.0.61.8.2.2553Active import energy phase L3 rate 2
1.0.61.8.3.2553Active import energy phase L3 rate 3
1.0.61.8.4.2553Active import energy phase L3 rate 4
1.0.61.8.5.2553Active import energy phase L3 rate 5
1.0.61.8.6.2553Active import energy phase L3 rate 6
1.0.22.8.0.2553Active export energy phase L1
1.0.22.8.1.2553Active export energy phase L1 rate 1
1.0.22.8.2.2553Active export energy phase L1 rate 2
1.0.22.8.3.2553Active export energy phase L1 rate 3
1.0.22.8.4.2553Active export energy phase L1 rate 4
1.0.22.8.5.2553Active export energy phase L1 rate 5
1.0.22.8.6.2553Active export energy phase L1 rate 6
1.0.42.8.0.2553Active export energy phase L2
1.0.42.8.1.2553Active export energy phase L2 rate 1
1.0.42.8.2.2553Active export energy phase L2 rate 2
1.0.42.8.3.2553Active export energy phase L2 rate 3
1.0.42.8.4.2553Active export energy phase L2 rate 4
1.0.42.8.5.2553Active export energy phase L2 rate 5
1.0.42.8.6.2553Active export energy phase L2 rate 6
1.0.62.8.0.2553Active export energy phase L3
1.0.62.8.1.2553Active export energy phase L3 rate 1
1.0.62.8.2.2553Active export energy phase L3 rate 2
1.0.62.8.3.2553Active export energy phase L3 rate 3
1.0.62.8.4.2553Active export energy phase L3 rate 4
1.0.62.8.5.2553Active export energy phase L3 rate 5
1.0.62.8.6.2553Active export energy phase L3 rate 6
1.0.128.8.0.2553Absolute value of active energy
1.0.128.8.1.2553Absolute value of active energy rate 1
1.0.128.8.2.2553Absolute value of active energy rate 2
1.0.128.8.3.2553Absolute value of active energy rate 3
1.0.128.8.4.2553Absolute value of active energy rate 4
1.0.128.8.5.2553Absolute value of active energy rate 5
1.0.128.8.6.2553Absolute value of active energy rate 6
1.0.130.8.0.2553Absolute value of reactive energy
1.0.130.8.1.2553Absolute value of reactive energy rate 1
1.0.130.8.2.2553Absolute value of reactive energy rate 2
1.0.130.8.3.2553Absolute value of reactive energy rate 3
1.0.130.8.4.2553Absolute value of reactive energy rate 4
1.0.130.8.5.2553Absolute value of reactive energy rate 5
1.0.130.8.6.2553Absolute value of reactive energy rate 6
1.0.131.8.0.2553Absolute value of reactive energy
1.0.131.8.1.2553Absolute value of reactive energy rate 1
1.0.131.8.2.2553Absolute value of reactive energy rate 2
1.0.131.8.3.2553Absolute value of reactive energy rate 3
1.0.131.8.4.2553Absolute value of reactive energy rate 4
1.0.131.8.5.2553Absolute value of reactive energy rate 5
1.0.131.8.6.2553Absolute value of reactive energy rate 6
1.0.132.8.0.2553Reactive import energy
1.0.132.8.1.2553Reactive import energy rate 1
1.0.132.8.2.2553Reactive import energy rate 2
1.0.132.8.3.2553Reactive import energy rate 3
1.0.132.8.4.2553Reactive import energy rate 4
1.0.132.8.5.2553Reactive import energy rate 5
1.0.132.8.6.2553Reactive import energy rate 6
1.0.133.8.0.255Reactive export energy
1.0.133.8.1.255Reactive export energy rate 1
1.0.133.8.2.255Reactive export energy rate 2
1.0.133.8.3.255Reactive export energy rate 3
1.0.133.8.4.255Reactive export energy rate 4
1.0.133.8.5.255Reactive export energy rate 5
1.0.133.8.6.2553Reactive export energy rate 6
1.0.82.8.1.2553Terminal cover remove count
1.0.82.8.2.2553DC field detection count
1.0.82.8.3.2553Disconnector tamper counter
1.0.1.14.0.2555Sliding average total import power
1.0.99.98.0.2557Event log 1 critical states and attacks
1.0.99.98.1.2557Event log 2 calendar actions
1.0.99.98.2.2557Event log 3 blackouts and voltage problems
1.0.99.98.3.2557Event log 4 module internal states
1.0.99.98.4.2557Event log 5 direct commands
1.0.99.98.5.2557Event log 6 limiter
1.0.99.98.6.2557Debug log 2N debugging log
1.0.99.1.0.2557Periodic readout profile 1
1.0.99.2.0.2557Periodic readout profile 2
1.0.99.3.0.2557Periodic readout daily
1.0.99.4.0.2557Periodic readout monthly
0.0.1.0.0.2558Clock
0.0.40.0.0.25515LN associations
0.0.40.0.1.25515LN associations public client
0.0.40.0.2.25515LN associations meter reader
0.0.40.0.3.25515LN associations utility setting
0.0.41.0.0.25517SAP assignment
0.0.13.0.0.25520Activity calendar
0.0.16.0.0.25521Voltage L1 register monitor
0.0.16.0.1.25521Voltage L2 register monitor
0.0.16.0.2.25521Voltage L3 register monitor
0.0.11.0.0.25511Special days table definition
0.0.25.0.0.25541TCP setup
0.0.25.1.0.25542IPv4 setup
0.0.25.2.0.25543MAC setup
0.0.25.3.0.25544PPP setup
0.0.25.4.0.25545GPRS modem setup
0.0.25.6.0.25547GSM diagnostic
0.0.96.3.10.25570Disconnector control interface
0.0.10.0.100.2559Tariffication script table
0.0.10.0.103.2559Output signals (RELAY) script table
0.0.10.0.106.2559Disconnector control script table
0.0.10.0.101.25592N complex script table
0.0.16.2.0.25565Profile 1 parameters definition
0.0.16.2.1.25565Profile 2 parameters definition
0.0.22.0.0.25523HDLC setup
0.0.129.0.0.2558193Relay 1 configuration
0.0.129.0.1.2558193Relay 2 configuration
0.0.129.0.2.2558194Tariffication rate configuration
0.0.129.0.3.2558195TCP connection configuration in Client mode
0.0.129.0.4.2558196MCP configuration
0.0.128.0.0.2558192Wireless M-Bus object
0.0.17.0.0.25571

Current L1 limiter for immediate disconnection

0.0.17.0.1.25571

Current L1 limiter for disconnection with hysteresis

0.0.17.0.2.25571

Current L2 limiter for immediate disconnection

0.0.17.0.3.25571Current L2 limiter for disconnection with hysteresis
0.0.17.0.4.25571

Current L3 limiter for immediate disconnection

0.0.17.0.5.25571Current L3 limiter for disconnection with hysteresis
0.0.17.0.6.25571Energy limiter for immediate disconnection
0.0.17.0.7.25571

Energy limiter for disconnection with hysteresis

0.0.17.0.8.25571Power limiter for immediate disconnection
0.0.17.0.9.25571

Power limiter for disconnection with hysteresis

Refer to the official documents (Green/Blue/Yellow/White Books) for more DLMS / COSEM details. Refer to the 2N®  MeterCom PRO Reference Manual for protocol implementation to 2N® MeterCom PRO. Please contact the 2N TELEKOMUNIKACE a.s. Technical Support.