Insulation Monitoring Module User`s Manual
Contents
1. 6 2 How to connect wires eUse appropriate electric wires as described below eStripping length of the used wire in use has to be 10 to 11mm Check the stripping length using the strip gauge of QE82LG module eWhen stranded wire is used a bar terminal must be used eWhen attaching and detaching cables to from the terminal use the Zero phase push button Check that the wire is securely inserted current transformer elnsert a wire to the terminal all the way until it touches the end ZCT lt Applicable wire Usable electric wire gt Single wire 0 5 1 2mm AWG24 AWG17 Stranded wire 0 5 1 3 mm AWG20 AWG16 UL c UL listed corresponds use the wires according to the following conditions Single wire AWG24 AWG18 Stranded wire AWG20 AWG18 e60 75 C copper conductor only lt Recommended bar terminal gt TGV TC 1 25 11T NICHIFU TERMINAL INDUSTRIES CO LTD Load 1 Load 2 Q9 Warranty o S The gratis warranty term of the product shall be for one year after the date Unit mm Model QE82LG RUN ERR ALMI A Phase wire system Measuring range Resolution QE82LG of purchase or delivery to a designated place single phase 2 wire single phase 3 wire Note that after manufacture and shipment from Mitsubishi the maximum three phase 3 wire distribution period shall be six 6 months and the longest gratis warranty aa term after manufacturing shall be eighteen 12. 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 module may reduce the product life The wires to be connected to the module 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 module 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 module are strongly pulled off it may cause a malfunction or a breakage to the module or the wire Ensure the wiring to the module properly checking the rated voltage and current of the product and the terminal pin assignment If the input voltage excee
3. 8 months The gratis Voltage three phase 110 V 220 VAC warranty term of repair parts shall not exceed the gratis warranty term circuit 3 wire before repairs single phase 110 VAC b w 1 and 2 phase 2 and 3 phase S wire 220 N biw 1 and 3 phase Our company shall not be liable to compensate for any loss arising from Leak current circuit Zero phase current transformer ZCT is used It events not attributable to our company opportunity loss and lost earning of indicates the primary current value of ZCT the customer due to failure of the product and loss secondary loss accident compensation damage to other products besides our products Low sensitivity mode 0 1000mA and other operations caused by a special reason regardless of our High sensitivity mode 0 00 100 00mA company s predictability in both within and beyond the charge free Low sensitivity mode mA warranty period High sensitivity mode 0 01mA STRIP GAUGE Leak current 2 5 10 100 range of Rating If an abnormal sound bad smelling smoke fever break Allowable tolerance of module 2 5mA 0 10 range of Rating Z Caution out from this module switch it off promptly and don t excluding ZCT Leak current for resistance 2 5 10 100 range of Rating use it 2 5mA 0 10 range of Rating Measurable circuit count 2 circuits Operating temperature 0 55 C Average daily temperature 35 C or below O
4. MITSUBISHI ELECTRIC Mitsubishi Insulation Monitoring Module ea ae Cantus Model QE82LG MELSEG Q User s Manual Hardware Before using this module please read both this manual and Details carefully and pay full attention to safety to handle this module 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 module Order each manual as needed referring to the following list Manual name Manual number model code Insulation Monitoring Module User s Manual Details QE82LG IB63564 19H871 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 module For the compliance of this module with the EMC and Low Voltage Directives refer to Section 6 1 Wiring 1 Features e This enables to measure leak current for safety actions By monitoring leak current lo risk for electric sh
5. ction Over tightening can damage the screw and or module resulting in drop short circuit or malfunction Shut off the external power supply for the system in all phases before mounting or removing the module Failure to do so may result in damage to the product Do not directly touch any conductive part of the module Doing so can cause malfunction or failure of the module 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 zero phase transformer CZ series and ZT series Please not to exceed the ratings of this product for input of zero phase transformer For further details please refer to zero phase transformer manual to maintain the functionality and the accuracy of this product This module and the zero phase current transformer are used for less than 600V circuit only They are not used with exceeding 600V circuit ZCT CZ series and ZT series do not have a secondary output polarity Take care not entering any foreign objects such as ships and wire pieces into the module It may cause a fire a failure or a malfunction In order to prevent the module from incoming foreign objects such as wire pieces during wiring work a foreign object preventive label is placed on the module While a wiring work is performed keep the label on the module Before operating
6. d 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 4 2 Names and functions of LEDs The following describes names and functions of LEDs Name Color Role Indicator condition RUN Creen Displays the operation ON Normal operation LED status of this module OFF 5V power discontinuity watch dog timer error ERR Displays errors and ON Hardware error conditions of this Flashing Out of range error LED LED module OFF Normal operation ALM1 Displays alarm 2 LED occurrence status of Changes according to the alarm status of CH1 Alarm CH1 ALM2 Displays alarm occurrence status of Changes according to the alarm status of CH2 Alarm CH2 1 For details check with the list of error codes Refer to section 9 1 2 Refer to User s Manual details Capter4 4 2 3 5 Attaching and removing the module 5 1 How to attach to the base unit Insert it securely so that the protruding portion for fixing the unit does not come off of the unitfixing hole Push the unit toward the arow direction as the unit fixing hole being a fulcrum point until you hear a click sound to firmly attach it to the based unit Check that the unit is firmly the unit Base unit gt Z Unit connector Base unit Protru
7. h installation wire connection to terminal blocks and connector connection Check these items under the electric outage condition 3 5 Disposal Precautions When disposing of this module treat it as industrial waste 4 Name and function of each part 4 1 Names and functions of parts of QE82LG are provided below 1 LED Operation status of this A unit is displayed QE82LG RUN Names of signals of terminal block Name of sui Description terminal 2 Leakage Current input 5 Push button lt oLO terminals CH1Z Z Leakage current input terminal CH1 Use this button to H Connect the current wire of insert a cable to the z oLO the measuring circuit with the CH2 Z Z Leakage current input terminal CH2 terminal or to remove oO gt secondary output of the ZCT Z them g P1 1 phase voltage input terminal z oO J P2 2 phase voltage input terminal o0 D P3 3 phase voltage input terminal 6 Check hole Zz 3 Voltage input terminals F Use this for continuity o RO a Connect the voltage input FG Frame GND terminal check to the terminal OLS 5 wire of the measuring circuit Use it with a tester AFG contact e oO 4 Strip gauge QE82LG A gauge that is used for checking the length of stripped wire y Supplementary Check the stripping length u
8. nance 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 module It may cause failure malfunction injury or fire Attaching and detaching the module 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 module Do not touch powered wires It may cause malfunction Tighten mounting screws and cleaning module must be performed after the power source is shut off A Caution for all outside phases If all phases are not shut off it may cause electric shock failure or malfunction of the module Use a soft dry cloth to clean off dirt of the module 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 module properly for long time lt Daily maintenance gt 1 No damage on this module 2 No abnormality with LED indicators 3 No abnormal noise smell or heat lt Periodical maintenance gt Once every 6 months to 1 year 4 No looseness wit
9. ock can be detected e This enables constant monitoring of insulation for equipment By monitoring leak current for resistance lor deterioration of equipment insulation can be tracked e This enables 2 level alarm monitoring during monitoring for each measuring element For each leak current lo and leak current for resistance lor 2 level alarm monitoring can be performed without a sequence eThis enables to measure two circuits using one device At the power source with the same phase wire method a single device can measure two circuits e This enables to measure sensitive By changing setting to high sensitivity mode this enables to measure from 0 01mA 2 Checking packaged contents The following items are included in the package Check that no items are missing Insulation Monitoring Module 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 4 Precautions for Start up and Mainte
10. perating humidity 5 95 RH No condensation Storage temperature 25 75 C Operating altitude 2000 m or below Commercial frequency withstand voltage Standard Between voltage leakage current input terminals FG terminal 2210 V AC5 sec Between voltage leakage current input terminals sequencer power source and GND terminals 2210 V AC5 sec EMC EN61131 2 2007 EN61326 1 2006 LVD EN61131 2 2007 EN61010 1 2001 Installation area Inside a control panel Product life expectancy 10 Customer Service 10 years used under the average daily temperature 35 C or less 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 noto require application to the Ministry of Economy Trade and Industry for service transaction permission Specifications subject to change without notice
11. r with Power 1 1 Load or placed close to the main circuit and power line i side Keep 300 mm or longer distance between them side The noise causes malfunctions eFor wiring voltage circuit and ZCT secondary use separate cables from other extemal signals in order to prevent from AC surge and induction eln case of measuring leakage current for resistance it is possible on single phase 2 wire single phase 3 wire three phase 3 wire delta circuit e The measurement of two circuits is possible at one module in the same system in the same trans Zero phase current transformer eZCT CZ series and ZT series do not have a ZCT secondary output polarity eLength of wire between ZCT and this module is A Caution max 50 m eZCT output wire from Z and Z terminal has to be stranded at 40 times m eWiring it is necessary to wire voltage input eWhen 220 V or higher is loaded to the voltage circuit use a voltage transformer For connection to P1 P3 terminals on QE82LG connect the secondary of transformer eMake sure that terminal symbols are correct If phase wires are connected incorrectly accurate measurement cannot be performed single phase 2 wire eFor the actual usage connect the FG terminal to ground D type ground Type 3 Connect it directly Power W1 ee ag to the ground terminal pai 2 0 side eDo not connect to FG terminal during the insulation side resistance test and pressure test Load 1 Load 2
12. sing the strip gauge of this module 3 2 Matters concerning the preparation before use Use the module in the specified usage environment and conditions The setting of this module phase system primary voltage primary current is necessary before using it Please refer to User s Manual Details about each setting method 3 3 Installation and Wiring Precautions A Caution For installation and wiring works make sure that the power source is shut off for all outside phases If all phases are not tumed off it may cause an electric shock or product damages 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 module while pressing the module mounting lever located in the lower part of the module fully insert the module fixing projection s into the hole s in the base unit and press the module until it snaps into place Incorrect mounting may cause malfunction failure or drop of the module When using the Sequencer in an environment of frequent vibrations fix the module with a screw Tighten the screw within the specified torque range Under tightening can cause drop of the screw short circuit or malfun
13. sion for fixing the unit 1 Lever for attaching irs inserted to the base unit ae Z Hole for fixing the unit Complete Attach to the base unit of MELSEC Q series When attaching the module make sure to insert the protruding portions for fixing the module into the holes on the base unit In doing so insert it securely so that the protruding portion of the module does not come off of the holes Do not force to attach the module otherwise the module may break When installing the module at a vibrating area with strong impact tighten the module to the base unit using screws Fixing Module screw arranged by user M3 x 12mm Tightening torque of the fixing module screws 0 36 0 48 Nem 6 How to wire 6 1 Wiring For external connection to QE82LG follow the phase method and the connection diagram When using this product make sure to use it in combination with zero phase transformer CZ series and ZT series See the Users Manual Details of this module and the installation method and the detailed specifications of ZCT three phase 3 wire Power 1 ead source 2 side 3 aige Zero phase current transformer ZCT a Load 1 Load 2 three phase 3 wire with the voltage transformer Power 1 source 2 side 3 Voltage transformer for gauge Zero phase current transformer Load 1 Load 2 7 Dimensions 8 Specifications single phase 3 wire elnput signal wire shall not be bound togethe
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