mb-3r energy meters user manual - metrobilling

MetroBillingsmart utilities software

MB-3R Energy MeterUser Manual

Technical documentation

MetroBilling MB-3R Energy Meter User Manual

© 2000-2013 PortaOne, Inc. All rights Reserved. www.portaone.com

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Description

MB-3R is a three-phase energy meter for measuring active and total energy consumption.

Applications

Renewable energy Energy management Commercial submetering Prepaid services Cost allocation Industrial monitoring

Features

Measures active / reactive energy and total energy consumption Provides readings and relay status to the utility billing service Works perfectly with MetroBilling (a utility billing and customer

and meter data management service) Direct connection 3-phase 4-line wiring mode setting RS-485 Serial (Modbus RTU Protocol) output Built-in single phase 80A relay for prepaid operation Disconnects / connects a customer’s services or enables / disables

a customer’s power limit through the built-in relay 8-digit LCD display (6+2) Meets the IEC 62052-11 and IEC 62053-21 standards

requirements



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Technical Specifications

Effective working voltage 100-240V Reference voltage Un 3*220/380V or 3*120/208V Rated current 10A Maximum current 80A Frequency 50-60Hz Accuracy Class 1 LCD display 8-digit LCD(6+2) Connection 3-phase 4 wire Communication RS485, MODBUS Temperature range -30 to 75°C Standards IEC 62052-11, IEC 62053-21 Meter constant 6400 imp/kWh Starting current 0.004Ib Protection class II Impulse output LED and photocoupler

Power consumption

Voltage element Un <2W / <10VA @ Un Current element In <2.5 VA @ (Ib)

LCD Display

The MB-3R display is easy to read and use. The display button permits you to switch to one of 16 possible display modes, which otherwise rotate automatically every 3 seconds:

Active power (format ######.## kWh) Reactive power (format ######.## kVARh) Phase voltage (format ###.## V) Phase voltage (format ###.## V) Phase voltage (format ###.## V) Current (format ##.## A) Current (format ##.## A) Current (format ##.## A) Power rate (format ##.### kW) L2 power rate (format ##.### kW) L3 power rate (format ##.### kW) Total power rate (format ##.### kW) L1 power factor (format COS #.###) L2 power factor (format COS #.###) L3 power factor (format COS #.###) Present recharge value (format ######.## kWh)



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Meter Connection

Terminals 1 and 2 – L1 power supply Terminals 3 and 4 – L2 power supply Terminals 5 and 6 – L3 power supply Terminals 7 and 8 – neutral Ports 21 and 20 – RS485 communication Ports 22 and 23– impulse output (kWh) Ports 24 and 25– impulse output (kVARh)

Connecting an MB-3R Meter with the MetroBilling Service

To connect a MetroBilling MB-3R meter to MetroBilling service via a NET485 converter do the following steps:



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1. On the converter, connect the TXDA terminal to the RXDA terminal. Then connect the MB-3R meter’s port 21 to these terminals.

2. Connect the TXDB terminal to the RXDB terminal. Then

connect the MB-3R meter’s port 20 to these terminals.

TXDA

TXDB

RXDA

RXDB

Latronix

21(A)

20(B)

MB-3R

22(A)

21(B)

MB-1R

3. Connect the positive (+) lead from an 8-24V DC power source to the converter’s 8-24VDC terminal.

4. Connect the negative (-) lead from the 8-24V DC power source to

the converter’s GND terminal.

5. The converter’s SGND port is not in use, so leave it disconnected.

6. Use a cable to connect the converter to the Ethernet switch: simply insert one end of the cable into the converter’s RJ45 female cable connector. The other end of the cable will attach to an RJ45 port on the Ethernet switch.

7. LED power will come on when power is supplied. The converter

will go through a self-test and attempt to connect to a server.



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Connecting an MB-3R Meter to the Utility Grid

Connect the incoming phase wires: o L1 to the meter’s terminal 1 o L2 to the meter’s terminal 3 o L4 to the meter’s terminal 5

Connect the outgoing phase wires: o L1 to the meter’s terminal 2 o L2 to the meter’s terminal 4 o L4 to the meter’s terminal 6

Connect the incoming neutral to the meter’s terminal 7 Connect the outgoing neutral to the meter’s terminal 8

Dimensions

mb-3r energy meters user manual - metrobilling

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