SMS ISKRA ME371 Technical Description
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SMS ISKRA ME371 Technical Description

Single- and three-phase meters with built-in dlc communication channel or gsm/gprs modem or rs485 communication interface
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Energy Measurement and Management
ME371,
MT371
Single- and Three-Phase
Electronic Meters with Built-in
DLC Communication Channel
ME372,
MT375
Single- and Three-phase
Electronic Meters with Built-in
GSM/GPRS Modem or RS485
Communication Interface
Technical
Description
EAD 020.611.325
Version 2.00, 29.05.2008

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Summary of Contents for SMS ISKRA ME371

  • Page 1 Energy Measurement and Management ME371, MT371 Single- and Three-Phase Electronic Meters with Built-in DLC Communication Channel ME372, MT375 Single- and Three-phase Electronic Meters with Built-in GSM/GPRS Modem or RS485 Communication Interface Technical Description EAD 020.611.325 Version 2.00, 29.05.2008...

  • Page 2: Table Of Contents

    Energy Measurement and Management 4.7.5. M-Bus communication interface (option) Content: .............. 23 4.7.6. Readout via built-in communication Revision history ............ 3 interfaces ..........23 Mx37y – Single- and Three-phase electronic 4.8. AMR readout ..........24 meters............. 4 4.9. Inputs and outputs (ME37y)....... 25 1.

  • Page 3: Revision History

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface Revision history Version Date Comment 1.00 12.10.2007 Initial version 2.00 29.05.2008 Double-cage clamp, Capacity of the load-profile recorder 1 and 2, Billing profiles 1 and 2, Alarm inputs, List of error statuses, List of events in event log, Anti- fraud protection, Front plate, Type designation, standards EN 50470–1 and EN 50470–3...

  • Page 4: Mx37Y - Single- And Three-Phase Electronic

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface The first generation of Iskraemeco electronic meters Mx37y – Single- and Three-phase for a deregulated market of electric power, i.e. the electronic meters Mx42y meters were provided with RS232 or RS485 interface for remote two-way communication, and utilized IEC 62056-21, mode C communication...
  • Page 5 Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface • Meter quality: Due to high accuracy and long-term stability of metering elements no meter re-calibration over its life is required High meter reliability High immunity to EMC •...

  • Page 6: Energy Measurement And Registration

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface DLC modem (Mx371): DLMS by IEC 62056–46 IP54 protection against dust and water penetration (by IEC 60529) GSM/GPRS modem (Mx372); IEC 62056 – 46 RS485 Interface (Mx372);...

  • Page 7: Supplied Energy Or Power Limitation

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface (time stamp, status, register-value) approx. 33,000 Depending on the customer contract the reduction records (60 minutes, ~ 1400 days) and in the second can vary from 0% to 100%.
  • Page 8 Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface - “Emergency Credit Limit” defines the credit value which is available after the value of “Available Credit Register” reaches zero and the customer selects the emergency credit.

  • Page 9: Meter Appearance (Me37Y)

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface port. There is a lid which is fixed to the meter cover with a hinge. The lid covers the Reset push-button 2. Meter appearance (ME37y) and can be sealed in the closed position.

  • Page 10: Overall And Fixing Dimensions (Me37Y)

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface For single phase meters BS terminal block (I 100 A) is possible too. 2.3. Meter configuration (ME37y) 2.2. Overall and fixing dimensions (ME37y) detectioion SD - Switching device Fig.

  • Page 11: Meter Appearance (Mt37Y)

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface 3.2. MT372… 3. Meter appearance (MT37y) 3.1. MT371… Fig. 9: MT372 meter constituent parts 1. LCD 8. A terminal cover 2. Technical data 9.
  • Page 12 Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface • Current terminal for currents up to 120 A with meter cover made transparent 9.5 mm hole diameter polycarbonate. A nickel-plated iron ring in the right •...
  • Page 13 Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface When a voltage bridge is in position “1”, the voltage part is not separated from the current part. During the normal meter operation the potential links should be closed (position “1”).

  • Page 14: Overall And Fixing Dimensions (Mt371)

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface 3.4. Overall and fixing dimensions (MT371) Mounting and fixing meter dimensions comply with the DIN 43857 standard. Fig. 16: Overall and fixing dimensions of an MT371 meter fitted with a switching device and a long terminal cover Fig.

  • Page 15: Overall And Fixing Dimensions (Mt372)

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface 3.6. Meter configuration (MT37y) 3.5. Overall and fixing dimensions (MT372) Mounting and fixing meter dimensions comply with the DIN 43857 standard. OPTION M-Bus Fig.

  • Page 16: Metering System (Mt37Y)

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface 3. Long-term stability so that meter re- 3.7. Metering system (MT37y) calibration is not required over its life Besides precision measurement of active energy and 4.

  • Page 17: Log-Book

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface which two are reserved for time and meter status. The billing profile is used for storing billing registers The remaining objects are used for registering energy (data banks), and is actuated by billing actions.

  • Page 18: Liquid Crystal Display - Lcd

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface is transferred from a register for current demand period into a register for previous demand period and CODE DATA DESCRIPTION is compared with a value in a register of the 0.0.0 Meter serial number maximum demand.

  • Page 19: Led

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface • short pressing – pressing time INDICATION STATUS MEANING shorter than 2 s, Indicates signal strength: good covering with a • long pressing –...
  • Page 20 Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface - Displayed data list sequencies with Param lock switch off. The push- - Switching to the meter test operation mode buttons pressing are tracked by messages on a display ( Normal reset type) Fig.
  • Page 21 Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface START "Std data" t = 6 s Auto Scroll 0-0:21.0.2 LEGEND: SCMD SCMD Scroll command ECMD Enter command ESCMD || NA ESCMD Escape command No activity 60 s NA Display Test...

  • Page 22: Manual Meter Billing Reset

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface Display Test START t = 6 s 60 s no activity Auto Scroll 0-0:21.0.2 SCMD SCMD Display registers Display Test SCMD 0-0:21.0.1 SCMD Scroll key hold >...

  • Page 23: Optical Port - Ir Communication Interface

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface • 4.7.1. Optical port – IR communication 900 MHz interface • 915 MHz • 1800 MHz If a built-in antenna does not meet the needs of covering the signal, an external antenna can be mounted.

  • Page 24: Amr Readout

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface Communication is performed as follows: P2LPC Mx371 Fig. 30: Display legend, Mx371 (DLC) Fig. 31: Display legend, Mx372 (GSM/GPRS, RS485) 4.8. AMR readout To establish the system for automatic meter readout (AMR) two basic components are required: •...

  • Page 25: Inputs And Outputs (Me37Y)

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface MT372: Input-output connection terminals are placed on the right side of the meter terminal block as well 4.9. Inputs and outputs (ME37y) as on the upper additional plate. Meters can be equipped with up to ten auxiliary terminals.

  • Page 26: Additional Meter Functions

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface • Remote setting of an energy / power consumption thresholds of individual customers. • Remote setting of an energy / power consumption threshold groups of customers (e.g. “Code Red”), by a broadcast with group identifier.

  • Page 27: Historic Reading Of G-Meter

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface 5.8. Historic reading of G-meter 5.10. Tariff structure configuration of E- Meter reading for analysis, for reference, for disputes meter on invoices and to enable recovery of lost data, both billing and scheduled readings.

  • Page 28: Load-Profile Configuration Of G-Meter

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface TERMINOLOGY TIME 5.15. Load-profile configuration of G- Short power meter <1% 10 mSec – 5 Sec failure Remote configuration of information saved in profiles Long power failure <1% >...

  • Page 29: Commission E-Meter

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface 1-0:1.8.4.255 A+, Time Integral 1, Tariff 4, Current Billing Period List of alarms: 1-0:2.8.0.255 A-, Time Integral 1, Total, ALARM Current Billing Period ALARM INPUT 1 1-0:2.8.1.255 A-, Time Integral 1, Tariff...

  • Page 30: Connection Procedure Of Gsm/Gprs Communication Interface

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface 2. The meter should be connected according to the meter connection diagram that is attached to the meter terminal cover. Torque of the screws tightening in the current terminals is 2.5 Nm.

  • Page 31: Anti-Fraud Protection

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface components and manufacturing procedures ensure high long-term stability of meters, so that there is no need for their recalibration during their life. 10. Anti-fraud protection The meter cover and the meter terminal cover are sealed by means of sealing screws and conventional wire seals.

  • Page 32: Front Plate

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface 11. Front plate Fig. 42: MT372-D2 meter front plate 12. Meter connection Fig. 40: ME371-D3 meter front plate The meter connection diagram is stuck on the internal side of the terminal cover.

  • Page 33: Meter Connection Of Mt37Y Meters

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface Fig. 47: Connection diagram of MT371 meter with outputs and M-Bus communication interface Fig. 45: Connection diagram of ME372 meter with GSM/GPRS modem Communication interface –...

  • Page 34: Technical Data

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface DLC modem Outputs Protocol DLMS (IEC 62056-46), Hardware type Function Terminal Data identification High voltage (250 V, 100 OBIS (IEC 62056-61) Optomos code Data transmission Common rate via low-...
  • Page 35 Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface MT371 meter with switching device: 310 x 178 x 108 mm Mass approx. 1650 g ME372 meter: 250 x 178 x 86 mm Mass approx.
  • Page 36 Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface MT37y-D2 Function Nominal Max. Diam Note Wire Screw Moment voltage current type IL1 – in 3x230/400 V 120 A Current Pozidriv (2) UL1 – aux 3x230/400 V Voltage Pozidriv (1)

  • Page 37: Type Designation

    Mx37y ─ Single- and three-phase electronic meters with built-in DLC modem, GSM/GPRS modem or RS485 comm. interface 14. Type designation Single-phase electronic meter Three-phase electronic meter With built-in DLC modem With built-in GSM/GPRS modem or RS485 Terminal block: Imax=85 A (DIN 43857) Terminal block: Imax=120 A (DIN 43857) Terminal block: Imax=100 A (BS 5685) Terminal block up to 6 A...
  • Page 38 Owing to periodically improvements of our products the supplied products can differ in some details from data stated in this technical description. UNITED KINGDOM - DISTRIBUTOR: SMS Metering Ltd 41 London Road, Castle Court, Reigate RH2 9RJ TEL: 0845 604 7244 E-mail: sales@smsmetering.co.uk W: www.smsmetering.co.uk...

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Iskra mt371Iskra me372Iskra mt375

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