Mitsubishi EMU4-BM1-MB User Manual
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Mitsubishi EMU4-BM1-MB User Manual

Mitsubishi EMU4-BM1-MB User Manual

Energy measuring unit energy measuring standard model. energy measuring unit energy measuring high performance model
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Energy Measuring Unit Energy Measuring Standard Model
Energy Measuring Unit Energy Measuring High Performance Model
MODEL
EMU4-BM1-MB
EMU4-HM1-MB
User's Manual (Details)
● Before operating the instrument, you should first read thoroughly this operation manual for
safe operation and optimized performance of the product.
Deliver this user's manual to the end user.

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  • Page 1 Energy Measuring Unit Energy Measuring Standard Model Energy Measuring Unit Energy Measuring High Performance Model MODEL EMU4-BM1-MB EMU4-HM1-MB User’s Manual (Details) ● Before operating the instrument, you should first read thoroughly this operation manual for safe operation and optimized performance of the product.

  • Page 2: Safety Precautions

    Safety precautions Thank you for purchasing the Energy Measuring Unit （EcoMonitorPlus）. ･ This manual describes setup and usage for the Energy Measuring Unit. Before using the product, please read this manual carefully to ensure correct use. Especially, in the case of where this unit is to be installed, please read “1. Precautions for Use” to ensure correct use.

  • Page 3: Table Of Contents

    4.1 Mounting on IEC rail ........................... 7 4.2 Mounting on JIS agreement type attachment .................... 7 5. Procedure for wiring .............................. 8 5.1 Wiring for EMU4-BM1-MB .......................... 8 5.2 Wiring for EMU4-HM1-MB ........................10 5.3 Precautions for the connection wire ......................12 6.

  • Page 4: Precautions For Use

    Precautions for Use 1.1 Precautions for Operating Environment and Conditions This unit is premised on being used in pollution degree 2 (Note 1) environment. When used in higher pollution degree, protect this unit from pollution on another device side to be incorporated. Over voltage category of measuring circuit in this unit is CAT II (Note 1), and that of auxiliary power circuit (MA, MB) is CAT II (Note Do not use this product in the places listed below.

  • Page 5: Precautions For Use

    <Connection with the current sensor> ･ When using this product, make sure to use it in combination with current sensor (EMU-CT**, EMU-CT**-A. EMU2-CT5 and EMU2-CT5-4W). This product cannot connect with the secondary side (5A) of current transformer. Please not to exceed the rating of this product for input of current sensor.

  • Page 6: About Packaging Materials And This Manual

    The contents of this document will be updated to follow revisions to software and hardware, however under unavoidable  circumstances it may not be synchronized. Name and function of each part 3.1 Name of each part (1)EMU4-BM1-MB (2)EMU4-HM1-MB Frame GND(FG) Frame GND(FG) Connect to ground (D type ground).

  • Page 7: Indication And Function Of Leds

    3.2 Indication and function of LEDs The names and operations of LEDs are as follows. Name Color Function Status RUN LED Indicate operating status of this unit. ON: Normal condition OFF: Power off or hardware failure (Note 1) MEA. A1 LED Indicate measuring status of the circuit ON: In the middle of measuring OFF: Halting measurement...

  • Page 8: Attaching And Removing The Unit

    Attaching and removing the unit Caution Any person who is involved in the installation and the wiring of this unit should be fully competent to do this work. ・ 4.1 Mounting on IEC rail Mounting Removing Applicable IEC rail • •...

  • Page 9: Procedure For Wiring

    Procedure for wiring Follow the wiring diagram for external connections of this unit. To use this unit, Base unit (EMU4-BM1-MB、EMU4-HM1-MB、EMU4-LG1-MB) is necessary. When using this unit, current sensor (EMU-CT***, EMU-CT***-A, EMU2-CT5 or EMU2-CT5-4W) is necessary (Note) “***” indicates the rated current of the current sensor (50/100/250/400/600).
  • Page 10 Power supply side Power supply side Fuse 0.5A 1P3W 3P3W Load side RS485 (MODBUS RTU) Load side RS-485 (MODBUS RTU) Power Power Load supply Load supply side side side side Fuse 0.5A 1P2W (2circuit measurin Load A1 Load A2 RS-485(MODBUS RTU) Load A１...

  • Page 11: Wiring For Emu4-Hm1-Mb

    5.2 Wiring for EMU4-HM1-MB When UL compliance is unnecessary When UL compliance is necessary Usable current sensor Usable current sensor Models Support remark Models Support remark EMU-CT50 Connection with EMU-CT50 Connection with ◯ ◯ general wire general wire EMU-CT100 EMU-CT100 ◯...
  • Page 12 When UL compliance is unnecessary When UL compliance is necessary Power supply side Power supply side Fuse 0.5A Current transformer （Secondary current is 5A） Current transformer （Secondary current is 5A） 3P3W (High voltage circuit) Load side RS-485(MODBUS RTU) Load side RS-485(MODBUS RTU) Power supply side Power supply side...

  • Page 13: Precautions For The Connection Wire

    • Maximum voltage of the circuit connected to EMU4-BM1-MB is 260V, EMU4-HM1-MB is 480 (In 3P4W wiring is 277 / 480V). For the circuit over this voltage, use the transformer. Using the transformer, primary voltage is configurable up to 11000V. Secondary voltage can be set up to220V.)
  • Page 14 5.3.2 Connection of external input / external output In case using external input and/or external output, refer to the following. External input：For the case of contact input External input: For the case of pulse input No-voltage a-contact / open collector No-voltage a-contact Voltage of the contact is 5V / open collector...
  • Page 15 ・Wiring for MODBUS module (QJ71MB91, QJ71C24N) and EcoMonitorPlus MODBUS EMU4-BM1-MB EMU4-BM1-MB EMU4-BM1-MB Module (QJ71MB91) EMU4-HM1-MB EMU4-HM1-MB EMU4-HM1-MB 485+ 485+ 485+ 485- 485- 485- Terminal resistance Note: The terminal resistance of the MODBUS module (QJ71MB91, QJ71C24N) side, please connect "110Ω". For details, please refer to...

  • Page 16: Setting

    6.1 Setting data To set this unit, dedicated small-size display unit (EMU4-D65) is necessary. For the setting method, refer to User’s manual (Details) of the display unit. Items can be setup by model is showed below table. EMU4-BM1-MB Items EMU4-HM1-MB ○...
  • Page 17 Model Phase wire Use or non-use Setting value system of VT EMU4-HM1-MB 1P2W/3P3W Non-use of VT [Direct voltage]：110V, 220V, 440V Use of VT [Primary voltage] ： 440V, 690V, 1100V, 2200V, 3300V, 6600V,11000V, 13200V, 13800V, 15000V, 16500V, 22000V, 24000V, 33000V, 66000V, 77000V, 110000V, SP ※...
  • Page 18 Setup the converted rate and conversion unit of electric converted value. You can’t setup in EMU4-BM1-MB. Please setup electric energy conversion rate 1side and 3side in 2 circuits measuring in 1P2W. Electric energy converted value = Electric energy × Wh conversion rate...
  • Page 19 6.1.11 External output Setup the output method of the contact output terminal. Please setup external output in which circuit 1 side circuit or 3 side circuit. You can’t setup in EMU4-BM1-MB. External output Setting item Setting value method Pulse output The unit of pulse Setting range is changed by the value of Full load power.
  • Page 20 6.1.14 Setup for upper and lower limit alarm Setup the whether to monitor upper and lower limit alarm. Please refer to 7.2.2 Upper/lower limit monitoring function for more details. Showed below table. Please setup upper and lower limit alarm of second circuit (3 side circuit) in 2 circuits measuring in 1P2W. Setting item Setting values Upper and lower limit alarm existence...

  • Page 21: Initialization Of Related Item By Changing The Setup

    Initialization of related item by changing the setup Setup value and measured data is initialized after change the setting value according to table 6.2.1 and 6.2.2. Please setup again. Table 6.2.1 List of initialization when changing setup value (setup data) Setup value to be changed Setup items Wiring type...
  • Page 22 Table 6.2.2 List of initialization when changing setup value (Measured data and operating data) Setup value to be changed Setup items Electric energy(consumption) Regenerate electric energy Reactive electric energy Periodic electric energy ○ Electiric energy convertion Electiric energy convertion (3phase) Pulse count ○...

  • Page 23: Operation

    Measurement elements are showed below table in each unit. In the case displaying in Display unit. ● … Measured elements ○…Elements displayed when only setup and selected ─ … Not displayed elements Model EMU4-BM1-MB EMU4-HM1-MB Display Wh+A+4 elements Wh+A+4 elements Harmonics...
  • Page 24 In the case monitoring by MODBUS communication and CC-Link communication ● … Data can monitoring ─ … Data cannot monitoring Model EMU4-BM1-MB EMU4-HM1-MB 1P2W 1P2W 1P3W Wiring 1P3W /3P3W 1 circuit 2 circuits 1 circuit 2 circuits type /3P3W /3P4W...
  • Page 25 In the case logging using EMU4-LM. ● … Data can logging ─ … Data cannot logging Model Elements EMU4-BM1-MB EMU4-HM1-MB 1P2W 1P3W 3P3W 1P2W 1P3W 3P3W 3P4W Current Average ● ● ● ● ● ● ● Phase 1 ● ●...
  • Page 26 The details of measuerment items showed below table. Item Details The sign of measured value is showed below figure. 90° Regeration Consumption delay Electric power progress Reactive power － ＋ 180° 0° Power factor ＋ － Regeration Consumption progress delay 270°...

  • Page 27: Upper/Lower Limit Monitoring Function

    Monitoring elements in each unit are showed in below table. ● … Can monitor data ─ … Can’t monitoring data Monitoring items Display or not in each unit EMU4-BM1-MB EMU4-HM1-MB Current demand upper limit alarm ● ● Current demand lower limit alarm ●...
  • Page 28 7.2.2 How to use upper/lower limit alarm function This device can set the upper/lower limit alarm value for each measured value individually. < Monitoring items > Upper limit alarm items Current demand, Line voltage, Phase voltage, Electric power demand, Power factor, N phase current demand, Pulse converted, Current unbalance rate, Voltage unbalance rate Lower limit alarm items...
  • Page 29 Upper limit alarm （1） Alarm reset method ＝ Auto Alarm reset method ＝ Hold Alarm status does not turn to non- occurance and contact output turn to OFF because of excess upper alarm. Alarm delay time Alarm delay time Alarm delay time Alarm delay time Demand Demand...

  • Page 30: Simple Measurement

    Each measurement elements calculated by the voltage and power factor and input current. Measurement resolution is not guarantee. 7.3.1 Measurement elements The elements can measure are showed below table. In the case displaying in Display unit. EMU4-BM1-MB EMU4-HM1-MB Wh+A+4 elements Wh+A+4 elements Harmonics...
  • Page 31 In the case logging using EMU4-LM (1/2). ● … Data can logging ─ … Data cannot logging △ … Fixed Data Model Elements EMU4-BM1-MB EMU4-HM1-MB 1P2W 1P3W 3P3W 1P2W 1P3W 3P3W 3P4W Current Average ● ● ● ● ● ●...
  • Page 32 In the case logging using EMU4-LM (2/2). ● … Data can logging ─ … Data cannot logging △ … Fixed Data Model Elements EMU4-BM1-MB EMU4-HM1-MB 1P2W 1P3W 3P3W 1P2W 1P3W 3P3W 3P4W Harmonics Average Phase 1 △ △ △ △...
  • Page 33 7.3.3 Example of wiring in using simple measuring function When UL compliance is necessary When UL compliance is unnecessary Usable current sensor Usable current sensor Models Support remark Models Support remark EMU-CT50 Connection with EMU-CT50 Connection with ◯ ◯ general wire general wire EMU-CT100 EMU-CT100...

  • Page 34: Device Operation

    Device operation 8.1 Resolution of measuring data The resolution of measuring data is determined as follows according to the rating settings (phase wire system, primary current and primary voltage). ■Voltage, harmonic voltage RMS ■Current, current demand harmonic current Primary voltage setting Resolution Unit Primary current setting...

  • Page 35: Restrictions Of Measured Data

    8.2 Restrictions of measured data Measurement and communication do not performed in a few seconds (about 10seconds) after the power loading to this device. Measurement and communication do not performed in a few seconds after the configuration or the change of the rating to it. Behaviors during operation are as follows.

  • Page 36: Reference

    Reference This chapter explains the ways of dealing when you think the unit is in failure, Q&A, etc. 9.1 In case you think the unit is in failure If an abnormal sound, bad-smelling smoke, fever break out from this unit, switch it off promptly and don’t use it. If you think the unit is in failure, check the following before sending for repair.

  • Page 37: After-Sales Service

    9.2 After-sales service If you have any questions or the product is broken down, contact our sales representative near you. (For details, refer to the end of this manual.) ･ Gratis warranty is effective until the earlier of 1 year after the date of your purchase or 18 months after manufacturing. ･...
  • Page 38 ■Q&A about specifications What does “Allowable tolerance” mean? In terms of the amount of electricity, it means a range of tolerances in reading values. For example, when the reading value is “10 kWh,” a tolerance is ±0.2 kWh. In terms of measured elements other than the amount of electricity, it means tolerance for the rated input. For a current, when a rated current is set to 250 A, 2.5A(±1%) is a tolerance.
  • Page 39 ■Q&A about connection Does polarity exist in connection between a current sensor and the unit? Yes. Make connections so that secondary terminals of current sensor (k, l) and terminal symbols of unit agree with each other. If polarity is incorrect, the current value is measurable, but the electric power and the electrical energy cannot be measured correctly. Are there any key points in avoiding errors in wiring? Check polarity of current sensor on the primary current side.

  • Page 40: Requirement For The Compliance With Emc Directives Emc

    This section compiles the precautions for the compliance of the system incorporating the energy measuring unit (target model: EMU4-BM1-MB and EMU4-HM1-MB) with the EMC Directives. The following description is based on the requirement of the regulations and the standards we understand, but we do not guarantee to comply with the directives above for the whole system built in accordance with this description.

  • Page 41: Specifications

    Specifications 11.1 Common specifications Item Specifications Model EMU4-BM1-MB EMU4-HM1-MB Single-phase 2-wire / Single-phase 3-wire / Single-phase 2-wire / Single-phase 3-wire / Three-phase 3-wire / Phase-wire system Three-phase 3-wire Three-phase 4-wire(Change of setting) (Change of setting) 110V, 110V, 220V, 440V 110V, 220V AC(*1)
  • Page 42 (stored in the nonvolatile memory), max value, min value power failure Item Specifications Model EMU4-BM1-MB EMU4-HM1-MB Standard CE Marking (EMC: EN-61326-1: 2013, Safety: EN-61010-1: 2010) Usage -5 - +55°C (Daily average temperature is 35°C or lower)

  • Page 43: Specifications Of Modbus Communications

    11.2 Specifications of MODBUS communications Item Specifications Physical interface RS-485 2wires half duplex Protocol MODBUS RTU mode Transmission method Asynchronous Transmission wiring type Multi-point bus (either directly on the trunk cable, forming a daisy-chain) Baud rate 2400, 4800, 9600, 19200, 38400bps (default: 19200bps) Data bit Stop bit...

  • Page 44: Option Devices

    Option devices 12.1 About option devices Option devices of this unit are showed below. Please reference to manual of option devices. Product name Model Note Extention Energy Measuring Unit EMU4-A2 You can monitor Multi-circuit in same voltage unit Extension for the systems with system to extension main unit.

  • Page 45: Specifications Of Option Devices

    12.2 Specifications of option devices （1） Split type current sensor Item Specifications Model EMU-CT50 EMU-CT100 EMU-CT250 EMU-CT400 EMU-CT600 Rated primary current 50A AC 100A AC 250A AC 400A AC 600A AC Rated secondary current 16.66mA 33.33mA 66.66mA 66.66mA 66.66mA Rated load 0.1VA Maximum operating 460V AC...
  • Page 46 （2） 5A current sensor Item Specifications Model EMU2-CT5, EMU2-CT5-4W EMU-CT5-A Rated primary current 5A AC Rated secondary current 1.66mA Rated load 0.1VA Maximum operating 260V AC 460V AC voltage Relative error ±1% (5 - 100% range of rating) ±1% (5 - 100% range of rating, RL ≤ 10Ω) ±45°（10%-100% of rating, RL≦200Ω）...

  • Page 47: External Dimensions Of Option Devices

    12.3 External dimensions of option devices Unit: mm ■Energy Measuring Unit Extension for the systems with the same voltage (Model: EMU4-A2) ■Energy Measuring Unit Extension for the systems with the different voltage (Model: EMU4-VA2)
  • Page 48 Unit: mm ■Energy Measuring Unit Energy Measuring Extension Model for Pulse Input (Model: EMU4-PX4) ■Energy Measuring Unit Energy Measuring Extension Model for Analog Input (Model: EMU4-AX4)
  • Page 49 ■ CC-Link Communication unit(Model: EMU4-CM-C) for Energy Measuring Unit...
  • Page 50 ■ Logging Unit(Model: EMU4-LM) for Energy Measuring Unit ■ CC-Link IE Field NetWork Basic Communication unit （EMU4-CM-CIFB）...
  • Page 51 ■ Small-size display unit(Model: EMU4-D65) for Energy Measuring Unit...
  • Page 52 ■Split type current sensor EMU-CT50,EMU-CT100,EMU-CT250 ■Split type current sensor EMU-CT400, EMU-CT600 Core cover Protection cover M4 screw Core split plane Hole for fixing Secondary terminal M4 screw (3×2) Secondary short circuit switch Binding band Stopper Hook for fixing core Terminal cover Model Unit: mm EMU-CT50/CT100...
  • Page 53 ■Split type 5A current sensor EMU2-CT5 Details for sensor part 1-side 3-side Unit: mm Unit: mm ■Split type 5A current sensor EMU2-CT5-4W 1-side 3-side 2-side...
  • Page 54 ■ Split type 5A current sensor cable EMU2-CB-Q5A Unit: mm ■ Split type 5A current sensor cable EMU2-CB-Q5A-4W Unit: mm ■ Split type 5A current sensor extension cable (standard type) EMU2-CB-T**M Model EMU2-CB-T1M EMU2-CB-T5M EMU2-CB-T10M L Size ■ Split type 5A current sensor extension cable (separate type) EMU2-CB-T**MS Model EMU2-CB-T1MS EMU2-CB-T5MS...

  • Page 55: External Dimensions

    External dimensions Unit: mm ■Model : EMU4-BM1-MB ■Model :EMU4-HM1-MB...

  • Page 56: Index

    Index 【N】 【A】 Name and function of each part ..........5 After-sales service ..............36 Alarm reset method ..............27 【O】 Attaching ................. 7 Option devices ................ 43 【C】 Connection of external input / external output ...... 13 【P】 Connection of terminal block ..........3 Precautions for Operating Environment and Conditions ....................
  • Page 57 Vte. Agua Santa 4211 Casilla 30-D (P.O. Box) Vina del Mar, Chile +56-32-2-320-600 Mitsubishi Electric Automation (China) Ltd. Mitsubishi Electric Automation Building, No.1386 Hongqiao Road, Shanghai,200336 +86-21-2322-3030 Mitsubishi Electric Automation (China) Ltd. 9/F, Office Tower1 Henderson Centre 18 Jianguomennei Dajie DongCheng district BeiJing 100005...

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