Energy Measuring Unit
Contents
1. to 7 4 2 phase current input terminal power source side 2 phase current input terminal load side 3 phase current input terminal power source side 3 phase current input terminal load side CRNA ven ERR ALMI 2 acm 3 ZN 5 Push button Use this button to insert a cable to the terminal or to remove them 2 Strip gauge A gauge that is used for checking the length of stripped wire which is connecting to current input terminals 3 Current input terminals Connect the secondary output of the dedicated current sensor which has 2l been connected to the measuring circuit STRIP GAUGE 6 Check hole Use this for continuity check to the terminal Use it with a tester contact 3k 4 Voltage input terminals Connect the output wire of 9 the Voltage transform unit STRIP GAUGE 7 Strip gauge A gauge that is used for checking the length of stripped wire which is connecting to voltage input terminals PC PA Voltage input terminals PB Connect the output wire of the voltage transform unit PD SLD shield terminal y SUN rN Tie Check the stripping length using the strip gauge of QE81WH main unit Name Color RUN LED Displays the operation status of this unit ee ON i ERR LED Displays errors and conditions of this Pasning Outolrangasnor unit OFF Normal operation ON ALM1 LED Displays alarm 1 occurrence status OFF 4 2 Names and functio2. Manual Details of this unit and the installation method and the detailed specifications of the current sensor and the voltage transform unit Three phase 4 wire with the voltage transform unit Separated type current transformer Power source side 1 2 3 0 QE8WH4VT Voltage transform unit EMU CT model split current sensor Bi 50 100 250 400 600 KZ Er es al Ot 3k Ea EE i ls 1 aE a es i i et 2 a a l ae et Load side Input signal wire shall not be bound together with or placed close to the main circuit and power line Keep 300 mm or longer distance between them Except for the terminal input section It may Caution cause malfunction due to noise The input wiring of the measurement circuit uses separate cables which is different from other signal cables and do not be affected by serge and the instruction of the interchange side In actual use connect the SLD terminal to a shield eMake sure that before connecting the cable the direction of the current sensor is correct for attachment K to Lis the correct direction K power source side L load side e The available range of the voltage transform unit is from 55 95V AC to 227 480V AC When this product is used in a circuit more than 227 480V AC voltage transformer is required e The available phase voltage of the transformer is up to 6600V Connect the secondary side of the transformer to the terminal P1 P2 P3 PO of the
3. MITSUBISHI ELECTRIC Energy Measuring Unit Model QE81WH4W Mitsubishi Programmable Controller MELSEG Q Before using this unit please read both this manual and Details carefully and pay full attention to safety to handle this unit correctly Make sure that the end users read this manual and then keep the manual in a safe place for future reference ABOUT MANUALS The following manuals are also related to this unit Order each manual as needed referring to the following list Manual name Manual number model code Energy Measuring Unit User s Manual Details QE81WH4W IB63704 19H861 COMPLIANCE WITH THE EMC AND LOW VOLTAGE DIRECTIVES 1 For programmable controller system To configure a system meeting the requirements of the EMC and Low Voltage Directives when incorporating the Mitsubishi programmable controller EMC and Low Voltage Directives compliant into other machinery or equipment refer to Chapter 9 EMC AND LOW VOLTAGE DIRECTIVES of the QCPU User s Manual Hardware Design Maintenance and Inspection The CE mark indicating compliance with the EMC and Low Voltage Directives is printed on the rating plate of the programmable controller 2 For this unit For the compliance of this unit with the EMC and Low Voltage Directives refer to Section 6 1 Wiring User s Manual Hardware 1 This Energy Measuring Unit can measure various types of electric quantity just ONE unit This Energy Measuring Unit can measure ele
4. Voltage transform unit Make sure that terminal symbols are correct This product cannot connect with the secondary side of the transformer directly 6 2 How to connect wires eUse appropriate electric wires and tighten a screw by appropriate torque as described right elnsert a wire to the terminal all the way until it touches the end Three phase 4 wire with the voltage transform unit voltage transformer current transformer Power source side 1 2 3 0 anti Tey Tae Voltage transformer z _ Current transformer 5A NS L SS gt e ae O o art T 4 rn Me H y 4 5A current sensor cable 5A current sensor EMU2 CB Q5A 4W EMU2 CT5 4W ree lt Voltage input terminals gt eStripping length of the used wire in use has to be 5 to 6mm Check the stripping length using the strip gauge of QE81WH4W unit eWhen stranded wire is used twist the tip lt Current input terminals gt eWhen attaching and detaching cables to from the terminal use the push button Check that the wire is securely inserted eStripping length of the used wire in use has to be 10 to 11mm Check the stripping length using the strip gauge of QE81WH4W unit eWhen stranded wire is used a bar terminal or the tip twisting are required to avoid wire scatting Recommended bar terminals for current input terminals TGV TC1 25 11T NICHIFU TERMINAL INDUSTRIES CO LTD Tightening torque Nem 0250 eUL c UL listed co
5. ailure to do so may result in damage to the product Do not directly touch any conductive part of the unit Doing so can cause malfunction or failure of the unit FG terminal must be grounded according to the D type ground Type 3 dedicated for sequencer Failure to do so may result in an electric shock or a malfunction When using this product make sure to use it in combination with current sensor EMU CT series or EMU2 CT5 4W Please not to exceed the 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 The dedicated current sensor EMU CT50 CT100 CT250 CT 400 CT600 is used only for low voltage circuit It cannot be used with a high voltage circuit Also EMU2 CT5 4W should be used with the secondary side 5 A 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 dangerous Measurement circuit voltage cannot be input directly into the unit Please enter the output voltage of the voltage transform unit QE8WH4VT The dedicated current sensor has a polarity directionality Be careful about it when installing the unit Take care not entering any foreign objects such as ships and wire pieces into the unit It may cause a fire a failure or a malfunction In order to prevent the unit from incoming foreign objects such as
6. ating power factor 1 Reactive energy 2 5 10 100 range of the rating power factor 0 5 95 RH No condensation Storage temperature 25 75T Between voltage current input terminals SLD terminal 2210 V AC3 sec Between voltage current input terminals sequencer power source and GND terminals 2210 V AC3 sec Standard EMC EN61131 2 2007 EN61326 1 2006 LVD EN61131 2 2007 EN61010 1 2001 10 years used under the operating conditions of Section 3 1 Allowable tolerance of unit excluding the current sensor Commercial frequency withstand voltage Product life expectancy 10 Customer Service 9 Warranty The gratis warranty term of the product shall be for one year after the date of purchase or delivery to a designated place Note that after manufacture and shipment from Mitsubishi the maximum distribution period shall be six 6 months and the longest gratis warranty term after manufacturing shall be eighteen 18 months The gratis warranty term of repair parts shall not exceed the gratis warranty term before repairs 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 predictabilit
7. ctric energy reactive energy current voltage power power factor and frequency Both consumption and regeneration of the electric energy can be measured 2 Extensive monitoring functions In addition to memorizing the maximum and minimum values two types of alarm monitoring for upper and lower limit can be performed without a ladder 3 It also can measure the electric energy for a certain period It can measure the electric energy for the duration of time for which the output device is on This feature enables to acquire the electric energy needed during device operation or energy per tact 2 Checking packaged contents The following items for this device are included in the package Check that no items are missing Energy Measuring Unit x 1 User s Manual Hardware x 1 3 Safety Precautions 3 1 Precautions for Operating Environment and Conditions 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 0 55 C Places the Relative humidity exceeds the range 5 95 or places with dewfall Altitude exceeds 2000 m Places exposed to rain or water drop Dust corrosive gas saline and oil smoke exist Vibration and impact exceed the specifications Installed excluding the control panel 3 2 Matters concerning the preparation before use Use the unit in the specified usage environment and c
8. ns of LEDs The following e ee names and functions of LEDs Indicator condition Normal operation 5V power discontinuity watch dog timer error Error occurring except out of range error Flashing Alarm 1 occurring Alarm 1 occurring Not occurring In the case of alarm 1 reset method self retention Alarm 1 not occurring Flashing Alarm 2 occurring ON Alarm 2 occurring Not occurring ALM2 LED Displays alarm 2 occurrence status In the case of alarm 2 reset method self retention OFF Alarm 2 not occurring Flashing Measurement existing consumption ON Measurement existing regeneration OFF Measurement not existing no measurement ES the status of measurement ON Measurement at side 1 existing regeneration 1 LED Green regeneration at side 1 of this unit OFF Other than the above Displays the status of measurement ON Measurement at side 2 existing regeneration 2LED Green regeneration at side 2 of this unit OFF Displays the status of measurement ON oe regeneration at side 3 of this unit OFF Other than the above X1 For details check with the list of error codes Refer to section 9 1 Displays the status of measurement of MEA LED Geen this unit Measurement at side 3 existing regeneration Other than the above 5 Attaching and removing the unit 5 1 How to attach to the base unit Inset it securely so that the protruding portion for fixing the unit does not come off of
9. onditions The setting of this unit primary voltage primary current is necessary before using it gt lt Please refer to User s Manual Details about each setting method 3 3 Installation and Wiring Precautions Shut off the external power supply for the unit in all phases before installing or wiring Failure to do so may cause an electric shock or damage of the unit Any person who is involved in the installation and the wiring of this Sequencer should be fully competent to do the work Use the programmable controller in an environment that meets the general specifications in the User s Manual for the CPU module used Failure to do so may result in electric shock fire malfunction or damage to or deterioration of the product To mount the unit while pressing the unit mounting lever located in the lower part of the unit fully insert the unit fixing projection s into the hole s in the base unit and press the unit until it snaps into place Incorrect mounting may cause malfunction failure or drop of the unit When using the Sequencer in an environment of frequent vibrations fix the unit with a screw Tighten the screw within the specified torque range Under tightening can cause drop of the screw short circuit or malfunction Over tightening can damage the screw and or unit resulting in drop short circuit or malfunction Shut off the external power supply for the system in all phases before mounting or removing the unit F
10. rresponds use the wires according to the following conditions Voltage input terminals AWG14 30 Single wire Stranded wire Current input terminals AWG16 22 Single wire AWG14 24 Stranded wire 60 75 C copper conductor only 7 Dimensions 8 Specifications Note Unit of number is mm QE81WH4W Phase wire system three phase 4 wire 63 5 110 277 480V AC Selected from 63 5 110V 100 173V 105 182V 110 190V 115 199V 120 208V 127 220V Voltage circuit 200 346V 220 380V 230 400V 240 415V 242 420V 250 430V 254 440V 265 460V 277 480V Each value refers to the primary voltage of voltage transform unit 50 A 100A 250 A 400 A 600 AAC The dedicated split type current sensor is used Each value refers to the current at the primary side of the current sensor Current circuit 5AAC The dedicated spit type current sensor is used 5 A current sensor is used together with the current transformer CT and the primary side current is configurable up to 6000 A Frequency 50Hz 60Hz Current 1 0 100 of the rating Voltage 1 0 100 of the rating Electric power 1 0 100 of the rating STRIP GAUGE STRIP GAUGE _ SA NA Reactive power 1 0 100 of the rating Apparent power 1 0 100 of the rating Frequency 1 0 45 65 Hz range of the rating Power factor 3 0 against the electric angle 909 Electric energy 2 0 5 100 range of the r
11. ses If all phases are not shut off it may cause electric shock failure or malfunction of the unit Do not touch powered wires It may cause malfunction Tighten mounting screws and cleaning unit must be performed after the power source is shut off for all outside phases If all phases are not shut off it may cause electric shock failure or malfunction of the unit 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 lt Daily maintenance gt 1 No damage on this unit 2 No abnormality with LED indicators 8 No abnormal noise smell or heat lt Periodical maintenance Once every 6 months to 1 year gt 4 No looseness with installation wire connection to terminal blocks and connector connection Check these items under the electric outage condition Z Caution 3 5 Disposal Precautions When disposing of this unit treat it as industrial waste 4 Name and function of each part 4 1 Names and functions of parts of QE81WH are provided below 1 LED Names of signals of terminal block Operation status of this Terminal Name of terminal symbol unit is displayed Refer 1 1 phase current input i itstisd current input 1k terminal power source side 1 phase current input terminal load side
12. the unitfixing hole Base unit R sa a ak wees for fixin unit 2 Push the unit toward the arrow direction as the unit fixing hole being a fulcrum point until you hear a click sound to firmly attach it to the based unit J Unit connector Base unit Protrusion for fixing the unit 1 Lever for attaching Check that the unit is firmly inserted to the base unit the unit Hole for fixing the unit Complete Attach to the base unit of MELSEC Q series When attaching the unit make sure to insert the protruding portions for fixing the unit into the holes on the base unit In doing so insert it securely so that the protruding portion of the unit does not come off of the holes Do not force to attach the unit otherwise the unit may break When installing the unit at a vibrating area with strong impact tighten the unit to the base unit using screws Fixing Unit screw arranged by user M3 x 12mm Tightening torque of the fixing unit screws 0 36 0 48 Nem 6 How to wire 6 1 Wiring Follow the wiring diagram for external connection of QE81WH4W Current sensor EMU CT50 CT 100 CT250 CT400 CT600 EMU2 CT5 4W is necessary for the connection of the current circuit Voltage transform unit QE8WHA4VT is necessary for the connection of the voltage circuit In addition up to five QE81WH4W units can be connected to one voltage transform unit Please refer to the User s
13. ure the wiring to the unit properly checking the rated voltage and current of the product and the terminal pin assignment If the input voltage exceed the rated voltage or the wiring is improper it may cause a fire or a breakage Tensile load 22N or less Do not exceed the specified voltage when doing an insulation resistance test and a commercial frequency withstand voltage test To protect persons who do not have adequate knowledge of electric equipment from electric shocks any of Z caution the following measures should be taken for the panel a To lock the panel so that only trained persons having adequate knowledge of electric equipment can open it b To design the structure so that the power is automatically interrupted upon opening of the panel The protection class of the panel should be IP2X or higher 3 4 Precautions for Start up and Maintenance Use the product 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 or burnout Before operating the product check that active bare wire etc does not exist around the product If any bare wire is found stop the operation immediately and take an appropriate action such as isolation protection Do not disassemble or modify the unit It may cause failure malfunction injury or fire Attaching and detaching the unit must be performed after the power source is shut off for all outside pha
14. wire pieces during wiring work a foreign object preventive label is placed on the unit While a wiring work is performed keep the label on the unit Before operating the system peel off the label for heat release If the foreign object preventive label is not peeled and the system is in use residual heat inside the unit may reduce the product life The wires to be connected to the unit shall be placed in a duct or fixed together by clamping If the electric wires are not placed in the duct or clamped 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 Use appropriate size of electric wires If inappropriate size of electric wire is used it may cause a fire due to generated heat In case using stranded wire take measures so that the filament should not vary by using a bar terminal or by processing the point twisted Use the bar terminal appropriated for the size of electric wires If inappropriate bar terminal is used a wire breakage or a contact failure may occur which may cause a device malfunction a failure a burnout or a fire After inserting the electric wire or a bar terminal make sure that no missing insertion is existing Missing insertion may cause a device malfunction a fire or an electric shock If the wires connected to the unit are strongly pulled off it may cause a malfunction or a breakage to the unit or the wire Ens
15. y in both within and beyond the charge free warranty period Cauti oh If an abnormal sound bad smelling smoke fever break out from this unit switch it off promptly and don t use it Please contact us at the following locations 1 8 Midori cho Fukuyama shi Hiroshima 720 8647 Japan Phone 084 926 8142 When exported from Japan this manual dose not require application to the Ministry of Economy Trade and Industry for service transaction permission Specifications subject to change without notice
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