Three Phase Modular Smart Energy Meter

PRODUCT INFORMATION

Three phase Direct Connect (DC Type) static

smart energy meter with AMR/AMI capabilities,

DLMS compliant and modular communications.

M50S is an excellent product for consumers with

three phase four wire connection. The meter

operates in completely static mode and provides

full features for Advanced Metering Infrastructure

solutions.

KEY FEATURES

• AMI/AMR capability

• Fully DLMS compliant

• Modular communication

(RF Mesh, GPRS, 3G, PLC, Wi-Fi, RS485, RS232)

• Field replaceable communication module

• Remote connect/disconnect facility

• Demand/current (optional) based load disconnect

• Large LCD display

• Anti-tamper

• Enhanced security

• Non-volatile memory

• Bidirectional metering

Digital MicroSystems Pte Ltd

31 Tannery Lane, #04-01 HB Centre ll, Singapore 347788

Tel: (65) 6742 1048 │ (65) 6305 0730

Email: commercials@dms-ami.com │ Website: www.dms-ami.com

Digital MicroSystems reserves the right to make any modification to technical specification, product or service offering at any time and without prior notice. The fact provided herein are for information purposes only and are not warranties, either expressed or implied of product performance

M50S Class 1.0

Three Phase Modular Smart Energy Meter

SPECIFICATIONS

Standards

• IEC 62052-11, IEC 62053-21, IEC 62053-23

• IS 13779, CBIP Publication 304

Meter Type

• Three Phase, 4 Wire (3P4W)

Measurement

• kW, kWh, kVA, kVAh, kVAr, kVArh, Vrms, Irms, V, A, Hz, PF

Voltage

• Rated Voltage: 3 x 240V/415V (other ratings can be given as per customer’s request)

• Safe operating Voltage: 57V to 500V AC

Current

• Current rating: 10(100)A (other ratings can be given as per customer’s request)

• Starting Current: 0.4% of basic current

Frequency

• Rated frequency: 50Hz ±5% (60Hz on request)

Power Consumption

• Voltage circuit: < 1W, < 8VA*

• Current circuit: < 1VA *Without communication module

Real-Time Clock

• Precision clock accuracy: ±5ppm at reference temperature

Over Current/

Voltage Handling

• Over Current: Up to 120% of Imax

• Over Voltage: Up to 500V AC applied short time between any phase & neutral wires

Meter Constant

• 1000 imp/kWh, 1000 imp/kVArh (other constants on request)

Connect/Disconnect

• Equipped with 5A trigger relay to control external contactor

Software

• Supported by any DLMS client software

Communications

• Optical port

• Modular communication: High Power RF Mesh/ GPRS/ 3G/ PLC/ Wi-Fi/ Ethernet/ RS232/ RS485 with DLMS support

RF Mesh:

• Power: 10, 50 and 100 MW

• SM Band: 433, 866, 868 MHz

• Easy to deploy & maintain/Self-configurable

Ethernet:

• 10/100Mbps Ethernet

• Data communication in Static IP and TCP Server mode

• Data communication with more than two servers in Dynamic IP

Wi-Fi:

• IEEE 802.11 b/g/n (1T1R mode)

• Security support for 64/128 WEP, WPA, WPA2, TKIP, AES

• Operates in 2.4GHz bands, Power management

• Transmit power: 11.b: 17+/-1.0dBm @ 11Mbps; 11.n: 12+/-1.0dBm

• Receiver: 11b: -84dBm @ 11 Mbps 11n: -68dBm

Tamper/Event Detection

• Top and terminal cover open detection

• Magnetic tamper detection

• Supply and Load wires interchanged detection

• Power OFF/ON events

• Event/Tamper logging record along with date and time stamping

LCD Display

• Large custom made HTN Type LCD Display (103mm x 28mm) with white backlit

• 8 digit display with digit size (12mm x 7mm)

• Separate Quadrant Indicator which indicates the import, export, inductive or capacitive loads

• Programmable indicators, unauthorized attempt information on LCD

• OBIS Code—7 digit small seven segment display for OBIS code index for the display values

• Annunciators: 23 assorted annunciators for tampers/events

LED Output

• 2 LED output indicator available for active and reactive energy

Data Storage

• 2 MB of non-volatile memory

• Life of data: >20 years

Environmental

• IP 51 (IP 54 on request)

• Operating Temp: -30°C to +60°C

• Storage Temp: -40°C to +70°C

• Humidity: 95% RH

Security

• Meter cover seal: 2 factory sealable screws

• Terminal cover seal: 2 field sealable screws

• Modem cover seal: 1 field sealable screw

Battery

• Internal lithium battery

• Replaceable external battery (optional)

• Battery life: 15 years for RTC battery, 10 years for RWP* mode battery (optional) *Read Without Power

Calendar Support

• Gregorian (English)

• Persian

Multi-Tariff

• Up to 8 Tariff tables can defined

• Active and passive calendar support with programmable season profile, week profile and day profile

Load Profile

• Block load profile: 11 parameters, 4320 records with 30 minute integration period options for 15/60 minutes integration

• Daily Profile: 5 parameters, 90 records

Terminal Type

• Fixed type terminals

Physical Dimension

• Dimension: 290mm x 170mm x 85mm

• Weight: Approx. 2 kg.

• Mounting Type: Projection type

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