Energy Measuring Unit model EMU4-BD1-MB EMU4-HD1
Contents
1. Unit mm cL cL i ul mimo ul Cra er a eres el sesso MEERN h OEOMOC Or l JOCO OOC I pR PAL F 7 4 xass l a Emas a wean uN ao e g 3 1U4 HD1 MB 8 RESET hal 8 8 RESET Model EMU ser r todet EMUG C GET D 1 GHRMRNGsAGmIOTT v1 OG o O al R ij olo oN E o o ia x N A JAOLE i oole i ara mw oara l CO as ra econ 67 15 60 67 15 60 4 75 aj 75 A 9 Specifications Item Specifications EMU4 HD1 MB single phase 2 wire single phase 3 wire three phase 3 wire three phase 4 wire Electric energy consumption regeneration Current Current demand Voltage Electric power Electric power demand Reactive power Apparent power Power factor Frequency Harmonic current Harmonic voltage Reactive energy Periodic electric energy Pulse count value Operating time Equivalent CO2 110V 220V 440V AC AC110V b w 1 and 2 side 2 and 3 side AC220V b w 1 and 3 side Min AC63 5V 110V Max AC277V 480V Model EMU4 BD1 MB single phase 2 wire single phase 3 wir2. DEAC IDEENE m RS485 MODBUS Load side 3P4W for high voltage circuit Power source side 1 2 3 N EMU CT model split current sensor 50 400 250 400 600 Load side L f eof irf_pfin fy PEELE g A Current transformer 5A MOOOQOOA DSC e eaagfeo D Power source side 3 1 2 3 3 3P3W for high voltage circuit A D dnn LECLSAE lo Qa Current 4k Bk 5 GL transformer 5A PARAAD DEDEN L al OOCOOOE iL RS485 MODBUS Load side 5A current sensor EMU2 CT5 EMU2 CB Q5B 5A current sensor cable Contact pulse output Contact Pulse input RS485 MODBUS between them except for the terminal block For protection against noise transmission lines and input output lines shall noi to or bound together with the power lines and high voltage lines Keep distance as below be placed close Condition distance A Caution High voltage line 600V or less 300mm or longer Other
3. Do not exceed the specified voltage when doing an insulation resistance test and a commercial frequency withstand voltage test l connection il on or ott Ae To prevent persons with little knowledge about electric equipment from electric shock panel must be taken either following measure eose I J J T Ui Li Lock the panel so that only those who get an education about electric equipment and have sufficient knowledge can unlock or shut off power supply automatically by opening the panel eae p emea paatroyidataiah 33 sensor type MODBUS Univot pulse Timsan Cover the dangerous part of this unit 488 Stop bit output Vi Alarm reset method J A Display CO2 or not 40 CO2 conversion setting t0 Display harmonic current or not ti 3 4 Precautions for Use Use this unit within the ratings specified in this manual If it is used outside the ratings it may cause not only malfunction or failure but also fire burnout Do not disassemble or modify this unit It may cause failure malfunction injury or fire Do not touch the live part such as connection terminal It may cause electric shock electric burn injury or burnout of the device If any exposed conductor is found stop the operation immediately and take an appropriate action such as isolation protection 1 On confirmation mode transition to operation mode 2 Transition only when selecting SP for Primary curren
4. 2k 2L Connect the secondary output of the dedicated 3k 3L current sensor connected to the measurement H circuit s current wire With contact input set you can monitor status or alarm and measure the operating time of facility or the operating power MODBUS is registered trademarks of Schneider Electric SA 2 Checking package contents fr This following items for this device and included in package Check that no items are missing T Ve aea Contact ii 485 485 icati 3 a s 3 pulse output terminals Connect the communication wire MODBUS 1 Energy Measuring Unit x1 2 User s Manual Digest x1 Current input terminals Communication terminals Current input terminals RTU 3 Safety Precautions oeus ar EEE 2 oooO ni d rmit unii 3 1 Precautions for Operating Environment and Conditions Communication terminals MODBUS RTU the link 5 ane 5 A 5 in fe P F P x X1 COMx Connect the contact pulse input wire This unit is premised on being used in pollution degree 2 environment When used in higher pollution degree protect th
5. which may cause a Operation mode Setting mode or confirmation mode device malfunction a failure a burnout or a fire Meir endea 1 Setting menu 1 Setting menu 2 Setting menu 3 Setting menu 4 Setting menu 5 Setting menu 6 A 7 FG terminal must be grounded according to the D type ground ground resistance is not exceed 1002 eet End of setting menu Basic setting Communication setting Inputioutput setting Alarm setting Logging setting Test mode Caution High voltage protective element is mounted between MA and FG MB and FG When applied high voltage for example during a commercial frequency withstand voltage test protective RWA oct Add End Bad Fad Fad End gapi 1 1 1 element works to short between MA and FG MB and FG i i 123456 ii gt a 1 345 a 34 a 12345 a 1245 12345 a 12345 n 12345 Do not directly touch any conductive part of the unit Doing so can cause electric shock failure or malfunction of the unit a4 x When using this product make sure to use it in combination with current sensor EMU CT50 CT100 CT250 CT400 CT600 EMU2 CT5 and EMU2 CT5 4W Please not to exceed the t z eae U aa J U J t J i J U J t 8 J a nd display rating of this product for input of current sensor For further details please refer to current sensor manual to maintain the functionality and the accuracy of this product i 8 change ot gu Phase wire s MopBus oan Pani alenmn sso
6. 4 Name and function of each par 4 1 Name of each part 1 EMU4 BD1 MB MITSUBISHI ELECTRIC Names of signals of terminal block EMU4 BD1 MB 2 EMU4 HD1 MB 3 Back view i j 7 Terminal Description Energy Measu ri ng U nit If you are considering using this unit for special purpose such as nuclear power plants Voltage input terminals Bic Voltage input terminals Pens Cuenca Model EMU4 BD1 MB P i P1 P2 P3 Connect the voltage input wire for the my EMU4 HD1 MB aerospace medical care or passenger vehiclesplease refer to our sales representative Power supply terminals p Power supply terminals measurement circuit 3 7 _ n ma a Connect to ground D type ground U M Di t iL n O u m jji ue MA MB Connect the auxiliary power supply sers Manua Iges e ee CD ie qu es Se e 4k 1L 3k 3L Connect the secondary output of the dedicated Before using this unit please read both this manual and Details carefully and pay attention to
7. agra module Test mode The dedicated current sensor EMU CT50 CT 100 CT250 CT400 CT600 is used only for low voltage circuit It cannot be used for a high voltage circuit EMU2 CT5 and CT5 4W should i m eting vale system address on or off on or off ate be used with the secondary side 5A of transformer transfixed If it is connected with a high voltage circuit by mistake it may cause a burnout of the device and a fire It is critically l Enge J J T J J J T dangerous For the allowable maximum voltage of current sensor refer to User s manual Details 13 Option devices 1 Specifications gt 4 EAER z Clsar losain The dedicated current sensor has a polarity directionality Be careful about it when installing the unit i CANCEL cease ax wot ss MODBUS pies aeei fof Oa The wires to be connected to this unit shall be placed in a duct or fixed together by cramping If the electric wires are not placed in the duct or cramped together loosen wires or their movement or careless stretch may cause a breakage of the unit or wire or a malfunction due to poor contact of electric wires If the wires connected to this unit are strongly pulled off it may cause a malfunction or a breakage to the unit or the wire ut ui Cancel change a Ges J l0 TSS ATE Primary voltage GY with VT or direct ww MODBUS Contact pulse Upper and lower output imit alarm value
8. ck or damage of this unit ol eee No indicator Description 7 loving up or down of setting value garo fiuoveartast apses wen presong more tnan see a Measured vaie Dipl measured value diy Work under the electric outage condition when installing and wiring Failure to do so may cause electric shock a failure of the unit a fire etc Change setting items backward 7 5 p 3 ee i a 9 p g i g a y i I Transition to setting menu number at beginning setting item 2 Measured item Display measured item displayed on indicator No 1 When tapping or wiring take care not to entering any foreign objects such as chips and wire pieces into this unit Setting mode Jacko settingmens S Communication Light when connecting communication unit Check the connection diagram when wiring Wrong wiring may cause failure of the unit a fire or electric shock onma rf Change setting items forward R i TA ii i i 7 3 j 4 E Light wh ing electri tion For protection against noise transmission lines and input output lines shall not be placed close to or bound together with the power lines and high voltage lines Cotman ee at final setting item nergy ight when measuring electrie enerdy consumption a d ar i ange setting items backwar Strip the wires with proper length Overlong stripping length may cause short to next wire Shorter stripping length may cause contact failure display 2 he 3 e to setting menu number at begin
9. e three phase 3 wire Phase wire system Electric energy consumption regeneration Current Current demand Voltage Electric power Electric power demand Reactive power Power factor Frequency Reactive energy Operating time Measurement item single phase 2 wire 110V 220V AC three phase 3 wire AC110V b w 1 and 2 side 2 and 3 side AC220V b w 1 and 3 side Non compliant 50A 100A 250A 400A 600A AC The dedicated split type current sensor is used Each value refers to the current at the primary side of the current sensor 5AAC The dedicated split type current sensor is used 5A current sensor is used together with the current transformer CT and the primary side current is configurable up to 6000A Voltage circuit single phase 3 wire three phase 4 wire Rating Current circuit Frequency 50Hz 60Hz Auxiliary power supply rating 100 240V AC 10 15 50Hz 60Hz Measurable circuit count 1 circuit Input signal type No voltage a contact 1 input External input Rated input None 5V DC 7mA voltage current Output signal type No voltage a contact 1 output External output Rated open close None 35V DC 75mA or 24V AC 75mA Power factor 1 voltage current 5 55 C Under the conditions indicated in section 3 1 30 85 RH No condensation 10 60 C 1000m or below EMC EN61326 1 2006 LVD EN 61010 1 2010 10 years Under th
10. e conditions indicated in section 3 1 Operating temperature Operating humidity Storage temperature Operating altitude Standard Product life expectancy 10 Warranty The charge free warranty is effective until the earlier of 1 year after the date of your purchase or 18 months after manufacturing Repair shall be charged for the case failures occur due to your intent or fault even during the charge free warranty period Our company shall not be liable to compensate for any loss arising from events not attributable to our company opportunity loss and lost earning of the customer due to failure of the product and loss secondary loss accident compensation damage to other products besides our products and other operations caused by a special reason regardless of our company s predictability A Caution 11 Customer Service Please contact us at the following locations If an abnormal sound bad smelling smoke fever break out from this unit switch it off promptly and don t use it 1 8 Midori cho Fukuyama shi Hiroshima 720 8647 Japan Phone 81 84 926 8142
11. her device for prevention of electric shock House this unit within the device such as the control panel before use f o eranae harmonic order at harmonic display 2 la x ma f r JRESET RESET button For the precautions for the compliance of the system incorporating this unit with the EMC Directives refer to the User s Manual Details Operation P Fler alarm at alarm generation display with alarm keeping _ J J For the definition of the pollution degree and the over voltage category refer to EN61010 1 2010 ser SET button Made Oo _ __ FTransition to confirmation mode od of of Frransition to setting mode aaa 3 3 2 Matters concerning tne precaution before use e tear contactiton E DM i Use the unit in the specified usage environment and conditions naay Hoe e Isa a 4 O z s Py z r i p 5 ispla OOOO The setting of this unit phase system primary voltage and primary current sensor type is necessary before use it Please refer to User s Manual Details about each setting method ey HK _ _ te orallidata 5 a am ee fee E woe P oe p Me t t d than 1 Any person who is involved in the installation and the wiring of this unit should be fully competent to do this work mii i more than tees A Danger Shut off the external power supply for the unit in all phases before installing or wiring Failure to do so may cause an electric sho
12. high voltage line 600mm or longer directly to the ground terminal For the actual usage connect the FG terminal to ground D type ground Type 3 Connect it Do not connect to FG terminal during the insulation resistance test and pressure test 7 2 How to connect wires Use appropriate crimp type terminal Use electric wires as below and tighten the terminal screws by the torque as below EMU4 BD1 MB Applicable wire Tightening torque Recommended crimp type terminal 5A current sensor EMU2 CT5 4W L Contact K it eee Toke output gt lt L Contact i D pulse input E LI gt en eal 5A current sensor cable EMU2 CB Q5B 4W Load side RS485 MODBUS input output terminals single wire stranded wire Power supply terminals AWG24 16 0 8N m For M3 screw of voltage input terminals single wire stranded wire external diameter below 5 6mm Current input terminals AWG22 14 0 5 0 6N m For M3 screw of external diameter below 5 6mm EMU4 HD1 MB Applicable wire Tightening torque Recommended crimp type terminal input output terminals single wire stranded wire Power supply terminals AWG26 14 0 8 1 0N m For M3 5 screw of voltage input terminals single wire stranded wire external diameter below 5 6mm Current in
13. is unit from pollution on another device side to be incorporated Y1 COMY Connect the contact pulse output wire Over voltage category of measuring circuit in this unit is CAT II and that of auxiliary power circuit MA MB is CAT II Do not use this product in the places listed below Failure to follow the instruction may cause malfunctions and a life decrease of product Places the Ambient temperature exceeds the range 5 55 C Places the average daily temperature exceeds 35 C Altitude exceeds 1000m Dust corrosive gas saline and oil smoke exist Places in strong electromagnetic field or places large amounts of external noise exist Vibration and impact exceed the specifications 4 2 Functions of operation buttons 4 3 Functions of LCD Control buttons have many functions as below Meaning of symbol O Press O Press more than 1 sec Press more than 2 sec Press both at the same time Places exposed to direct sunlight Places metal fragments or conductive substance are flying Mode Places exposed to rain or water drop Places the Relative humidity exceeds the range 30 85 or places with dewfall YPHASE PHASE button a a aaae 1 N A This unit is the open type device which are designed to be housed within anot
14. module and pull IEC rail fixture downward Dimensions of hole panel The panel hole dimensions are as shown below And it can be attached to a panel of thickness Mounting Mount the module to mounting plate by mounting screws M3x10 then mount the panel mounting attachment Screws for panel 1 6 4 5mm 1 6 4 5mm Tightening torque 0 63N m cL Outline of the unit Outline of the unit mounting Mounting screws 5 attachment aiaa aa ah F 7 i s a Mounting screws 1 i ae 1 OT 1 Panel mounting attachment i i yo 3 3 i 3 2 i g i 1 i 1 i he 1 a 1o I i I 8 E i 3 r es z Please screw up the panel mounting attachment where there are l H cross recessed head scre ith captive washer a l Recommended and flat washer MN iii ik high levels of vibration screws M3x10 2 The screws mounting screws and screws for panel mounting pcs ae i 77 i attachment are supplied with panel mounting attachment I 7 How to wire 7 1 Wiring Follow the wiring diagram for external connections of this unit When using this unit current sensor EMU CT50 CT 100 CT250 CT400 CT600 EMU2 CT5 or EMU2 CT5 4W is necessary 1P3W 3P3W for low voltage circuit Power source side 1 1 1P2W for low voltage circuit Power source side 1 2 EMU CT model split current sensor 50 100 250 400 600
15. ning setting item Measurement Take care not to short to next terminal by a filament Do not plate the wires with solder PO Fransition to setting menu s 5 Setting Indicator Sai lights on setting mode Do not connect more than two wires to one terminal of a terminal block for preventing loose contact and wires dropout ee Ae er dlaplay memorize changed setting end ireneltom fooperation Indicator aj lights on confirmation mode i k panne 5 i E onfirmation s Use appropriate size of electric wires If inappropriate size of electric wire is used it may cause a fire due to generated heat display of seting operata meaa throw away changed setting and transition to Tighten the screw within the specified torque Under tightening can cause drop of the screw short circuit or malfunction Over tightening can damage the screw and or unit resulting in reflection o o Movingupordownofsettingvaue drop short circuit or malfunction _o _ __ Reset setting values to factory default only effective at CANCEL display After tightening the screws be sure to check all the screws tightened Loose screw may cause malfunction of the unit a fire or electric shock Be sure to attach the terminal cover to prevent electric shock 5 Procedures for set Use the crimp type terminal appropriated for the size of electric wires If inappropriate crimp type terminal is used a wire breakage or a contact failure may occur
16. of Pegi mania gt Transition from operation mode to setting mode SET ania time for ase Not available for 1P3W special current SP 7 i m n aT 7 gt cae P z z 7 7 1 gt Transition from operation mode to confirmation mode SET Press for 2 sec N Caution Do periodical maintenance under the electric outage condition Failure to do so may cause electric shock failure of the unit or a fire Tighten the terminal regularly to prevent a fire In 3 1 J h Ps Lilies case a display unit is attached to a sensor unit get off the display unit during maintaining or tightening terminals Primary voltage Saas us gt Selectimenuinumber op Endi ron Press seyaral times VT voltage Enter each setting display or transition to next item BET Press once 3 6 Storage Precautions ga iselay opereting c Back to previous setting display DISP Press once J ff Ji No display Select setting value og a Press several times To store this unit turn off the power and remove wires and put it in a plastic bag For long time storage avoid the following places Failure to follow the instruction may cause a failure and reduced life of the unit Primary special Primary special Li abi Ene depay aan a Places the Ambient temperature exceeds the range 10 60 C Vibration and impact exceed the specifications Count method of mode PE x e 5 operating time gt Select CANCEL or Press once Places
17. put terminals AWG22 14 0 5 0 6N m For M3 screw of external diameter below 5 6mm Make sure that before connecting the cable the orientation of the current sensor is correct for attachment K to L is the correct direction K power source side L load side EMU CT50 100 250 400 600 is used only for low voltage circuit Maximum voltage 460V It cannot be used for a high voltage circuit EMU2 CT5 and EMU2 CT5 4W should be used with the secondary side 5A of transformer transfixed If they are used for the circuit directly they should be used under 200V Maximum voltage 260V Maximum voltage of the circuit connected to this unit directly is 260V for EMU4 BD1 MB or 277 480V for EMU4 HD1 MB For the circuit over this voltage use the transformer Using the transformer primary voltage is configurable up to 6600V When screwing the terminals at both ends of the terminal block be careful not to touch the projection of the terminal block cover For MODBUS communication wiring recommended to have the extra length wires about 200mm When extended to B NET transmission from MODBUS communication use of MODBUS communication wiring is possible 8 Dimensions EMU4 BD1 MB EMU4 HD1 MB
18. safety to handle this unit correctly OIOIO al display olojo O od display E Seer to the measurement crete end users read this manual and then keep the manual in a safe place for future reference X 485 485 Connect the communication wire MODBUS ABOUT MANUALS RTU You can download User s manual Details of this unit from the following site i EE DISP SLD Connect to ground D type ground http Awww mitsubishielectric co jp haisei lvs downloads handling htm TC Ter connect the 485 terminal the unit at end of o ti Ol ti e link peaton a oe L eh aA 1 This Energy Measuring Unit can measure various types of electric quantity such as voltage current electric power and electric energy signals block EMU4 HD1 MB erminal escription 2 The measurement data can also be transmitted to superior monitoring systems through MODBUS RTU communication Model EMU4 symbol 3 In addition to the provision for measuring the quantity of electricity the unit has two external input ports supporting both pulse input and contact input by way of switching EMU4 HD1 MB IEC rail P1 P1 P2 P0 Connect the voltage input wire for the With pulse input set you can measure the production volume or the utility other than electricity such as water gas and air CDE i fixture P3 P3 NC P2 Measurement circuit Connect to ground D type ground MA MB Connect the auxiliary power supply 1k 1L
19. t VT For 3P4W only special voltage is available when using VT 3 Transition only when selecting SP for Primary current 5A 4 Setting available for EMU4 HD1 MB only 5 Transition only when selecting CO P for Contact pulse input on or off 6 Transition only when selecting PLS for Contact pulse output on or off 7 Transition only when selecting on for Display CO2 or not 8 Transition only when connecting logging module 9 Not displayed on setting mode Example of display on setting mode Example of display on confirmation mode A Caution ANY demand time limit ti gygy Power demand time limit 1 1 i Current i i i 3 5 Maintenance Precautions Use a soft dry cloth to clean off dirt of the unit surface Do not let a chemical cloth remain on the surface for an extended period of time nor wipe the surface with thinner or benzene Check for the following items to use this unit properly for long time 1 Daily maintenance a No damage on this unit c No abnormal noise smell or heat b No abnormality with LCD Ppap rf Symbol Behavior Operation of control button 2 Periodical maintenance Once every 6 months to 1 year z 6 a ress boat The No looseness with installation and wire connection Forthe cage of special voltage SP Far the casa
20. the Relative humidity exceeds the range 30 85 or places with dewfall Places exposed to rain water drop or direct sunlight Ui ji e Canea change of seting vane exe aa Dust corrosive gas saline and oil smoke exist Places metal fragments or conductive substance are flying Secondary ew Skip other items during setting SET Press for 1 sec Places the average daily temperature exceeds 35 C ance ene gt Reset setting values to factory default SET Press once 3 7 Disposal Precautions When disposing of this unit treat it as industrial waste 3 8 About packaging materials and this manual For reduction of environment load packaging materials are produced with cardboard and this manual is printed on recycled paper tt lt Note gt For details of setting menu 1 2 3 4 5 and 6 refer to User s manual Details 6 Attachingand removing the unit 6 1 Mounting on IEC rail Applicable IEC rail Mounting 35mm 1 Pull IEC rail fixture downward 2 Catch P ra Go N IEC rail 1 7 304 3 Push in 4 Push the IEC rail fixture upward 6 2 Mounting on the panel Dimensions of hole panel The panel hole dimensions are as shown below And it can be attached to a panel of thickness Mounting 2 Pull the unit Removing Attached to the panel with screws 2 pcs Tightening torque 0 63N m 1 Hold the
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