QE82LG
Contents
1. Constant measurement of leakage current lo or lor can prevent sudden trouble and reduce production loss due to equipment stoppage Example Increase in leakage current is detected based on the preset alarm monitoring value so maintenance of deteriorated insulation is performed Monitoring of upper limit alarm leakage current Monitoring of equipment trouble Leakage current value Alarm Equipment maintenance and repair Alarm monitoring value amp Reduction of production loss due to equipment stoppage 1 Number of modules which can be installed on applicable units a When installing on a CPU unit b When installing on a MELSECNET H remote I O station Applicable CPU units Installable CPU type CPU model name quantity Installable quantity Applicable network units 1 Basic model QCPU Q00JCPU 6 QJ72LP25 25 QOOCPU Q01CPU QJ72LP25G 64 QJ72BR15 1 Limited within the number of I O points on the Redundant CPU Q12PRHCPU Q25PRHCPU network units QOOUJCPU QOOUCPU Q01UCPU Universal model QCPU Q02UCPU QO3UDCPU Q04UDHCPU QO6UDHCPU Q10UDHCPU Q13UDHCPU Q20UDHCPU Q26UDHCPU QO3UDECPU Q04UDEHCPU QO6UDEHCPU Q1OUDEHCPU Q13UDEHCPU Q20UDEHCPU Q26UDEHCPU 2 Applicable base units QE82LG can be installed in any I O slot 2 of the basic base unit or an extension base unit 2 In the case of a redundant CPU the module can be installed only on an extension base unit It cannot be i2. One module can measure The module can detect troubles caused by earth leakage ground fault and monitor the insulation of motor loads in the the insulation resistance production equipment It does not overlook ongoing insulation deterioration DRE Upper limit monitoring values for alarms can be set in two stages Insulation deterioration condition is detected at each stage enabling countermeasures before equipment stoppage malfunction Conventional insulation monitoring Insulation Monitoring Unit equipment System where leakage occurs can be identified but it s not possible to detect insulation deterioration in equipment Insulation monitoring pinpoints the problematic equipment making it possible to recognize deteriorated insulation location early on EM Constant Monitoring for Insulation Deterioration of Equipment Using lor Method The module can measure resistive component leakage current lor Even on circuits which The lor method stated in the cannot be monitored for insulation using the conventional lo method such as inverter circuits on Standard Specifications for Public Works which capacitor component leakage current loc is large the module removes the loc Construction Electric Equipment Work edited by component and can correctly monitor the leakage current caused by insulation deterioration the Ministry of Land Infrastructure Transport and The module constantly measures the resistive compon
3. 3 phase 3 wire he Power PR side Load side 2 A EEE Zero phase Current Z NES MCZ Zero phase Current Transformer ZCT Z mi Transformer ZCT 7 NG Saale P1 H Pa with voltage transformer raIO Ig Load 2 Load 1 Load 2 For single phase 2 vire type i 2 side Load side For single phase uire type w A side Load side 20 QE82LG QE82LG QE82LG QE82LG Zero phase Current Transformer ZCT Zero phase Current Transformer ZCT Load 1 Load 2 Cables between QE82LG and Zero phase Current Transformer ZCT are to be prepared by the customer In all cases make sure to connect FG to ground Load 1 Load 2 Industry s First PLC slot mounted type Energy Measuring Module As of September 2010 Display unit GOT Current input MELSEC Q Series Energy Measuring Module QE81WH Measurement items e Current Voltage input Voltage i e Electric power Load side Electricity By mounting the Energy Measuring Module onto the open slot of the base unit a measuring instrument can be added without changing the layout in the control panel The communication unit eliminates the need for communication cables and creation of a communications program lowering costs by reducing wire volume and engineering workload Allows for easy specific energy consumption manageme
4. Changes for the Better MITSUBISHI ELECTRIC Programmable Controllers MELSEC Q Series Insulation Monitoring Module il ti ow Z redatti aa Preventive Mai e NI 5 IVI y Improving productivity and reducing cost by visualizing energy information insulation monitoring by PLC Insulation deterioration in equipment can be detected without omission ae Insulation deterioration is constantly asa monitored for each unit load Prevention of sudden failure of machines and lines Reduction of downtime caused by insulation deterioration 7 We have to dispose of all products in production Cost reduced by ending defective product disposal due to sudden line stoppage We need to prevent gt The wires must be disconnected power failures gt from each unit to measure the insulation resistance is measured nsulation resistance but it s hard to check the many circuits on the low voltage side Reduction of maintenance hours for periodic inspections If only we could measure insulation S conditions before vital equipment CZE Detection of Insulation Insulation Monitoring Module BREE lun ELEN QE82LG at early stage EZM Early Detection of Insulation Deterioration in Production Equipment Since this module is connected directly to the PLC in the control panel leakage current from points close to loads can be measured easily without the need for additional installation space
5. ODA KU TOKYO 100 8310 JAPAN Y 0709 1101 MDOC New publication effective Jan 2011 Specifications are subject to change without notice
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7. akage current lor Max value Go The resistive component leakage current does not include electrostatic capacity Occurrence date time of max value Number of measurement circuits 2 circuits Number of first stage alarm occurrences Dat Leakage current 2 sec or less Number of second stage alarm occurrences ata refresh period et Resistive component leakage current 10 sec or less Leakage current 4 sec or less Resistive component leakage current 30 sec or less Response time Backup to nonvolatile memory Saved items Setting values max value and its occurrence date time alarm occurrence times Number of occupied I O points 16 points I O assignment intelligent 16 points 1 The module can be connected directly to 110V and 220V To connect to 440V an external voltage transformer VT is necessary Leakage current lo lor cannot be measured without voltage input 2 lor can be measured on a single phase 3 wire or 3 phase 3 wire delta circuit On special grounded circuits such as 3 phase 3 wire star circuits high resistance grounded circuits and capacitor grounded circuits only lo can be measured 3 Leakage current lo and lor of CH1 and CH2 can be measured only on circuits when the voltage input was on the same system 3 Specifications for Zero phase Current Transformer ZCT MSplit type Zero phase Current Transformer Item Specification Model name CZ 22S CZ 30S CZ 55S CZ 77S CZ 112S Hole dia
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9. ding on the manufacturer 2 The IV wire applies to cases where insulators are used 3 The CV wire applies to cases of installation in a covered conduit in air Cables of 600mm or more have various structures The values are shown for reference MESERO ne QE82LG Item name Model name oum SORO Unit mm Unit mm MELSEC Q Series Insulation Monitoring Module QE82LG DQE82LG 2 CZ 22S 30S 55S 77S 112S E Dimensions of Split type Zero phase Current Transformer CZ 22S CZ 30S CZ 55S CZ 77S CZ 112S QE82LG RUN Split type Zero phase Current Transformer CZ 77S CZ 112S ZT15B Through type Zero phase Current Transformer 10 EEH strip GAUGE Zero phase Current Transformer with primary conductor Unit mm E Dimensions of ZT15B 30B and 40B 4 ZT60B 80B 100B ZT15B ZT30B ZT40B Mounting hole Mounting screw M6 X20 Terminal screw M3 5 Mounting hole io SA M5x0 8x20 Terminal screw M3 5 E Dimensions of ZT60B 80B and 100B J 27608 zreoe zr1o08 60 D 150 i ZTA600A 600A ZTA1200A 1200A 125 8 42 Unit mm 99 Mounting hole 11 Bolt M10 Bolt M12 For 3 phase 3 wire type Power SI side Load side hi
10. ent leakage current lor even while Tourism is used equipment is running It detects any sign of insulation deterioration without power interruption Since leakage current lo is affected by the loc of the whole equipment the lor measurement is effective for insulation deterioration diagnosis MMethod of leakage current measurement lo and lor measurements The loc fluctuates on equipment with long wiring distance or inverter devices and filters he leakage currant TAM NUR resistive component cannot be correctly determined due to When loc is low When loc is high existence of the loc component loc Amount of change gt due to insulation deterioration Resistance lor Leakage current caused by insulation deterioration leakage current from resistive component loc Leakage current flowing even in good insulation condition leakage current from electrostatic capacity lo Leakage current obtained by synthesizing lor and loc vector synthesis Amount of change in lo Amount of change in lor Amount of change in lo lt Amount of change in lor MELSEC Elsore Q BZEG I Conventional systems Measurement of insulation resistance with Constant monitoring of wiring disconnected during inspection leakage current during Reduction of labor for insulation resistance test operation Power must be suspended to set the equipment in the non voltage state No need to suspend power supply to e
11. ife threatening 1 Any damege found not to be attributable to a Mitsubishi Electric product e Please consult with a Mitsubishi Electric representative when considering the application of products 2 The loss of opportunity or profits for the customer or user caused by any fault in a presented in this catalogue with machinery or systems designed for specialized use such as nuclear Mitsubishi Electric product power electrical power aerospace outer space medical or passenger transportation vehicles 3 Damege secondary damege or accident compensation resulting from special factors e The products have been manufactured under strict quality control However when installing the regardless of whether or not such factors could be predicted by Mitsubishi Electric products where major accidents or losses could occur if the products fail install appropriate backup 4 Damege to products of other companies and or guarantees relating to other services or fail safe functions in the system Country Region Sales office Tel Fax USA Mitsubishi Electric Automation Inc Tel 1 847 478 2100 500 Corporate Woods Parkway Vernon Hills IL 60061 USA Fax 1 847 478 0327 Brazil MELCO TEC Rep Com e Assessoria Tecnica Ltda Tel 55 11 3146 2200 Av Paulista 1439 Cj 72 Cerqueira Cesar CEP 01311 200 Fax 55 11 3146 2217 Sao Paulo SP CEP 01311 200 Brazil Germany Mitsubishi Electric Europe B V German Branch Tel 49 2102 486 0 Gothaer Strasse 8 D 40880 Ratingen Germany F
12. meter mm 22 Allowable current See the following table Penetrable max wire size and allowable current of ZCT Mass kg 0 5 0 6 1 8 2 8 6 0 Rated short time current 50kA peak value is 100kA Power outage compensation MThrough type Zero phase Current Transformer MZero phase Current Transformer with primary conductor Item Specification Item Specification Model name ZT15B ZT30B ZT40B ZT60B ZT80B ZT100B Model name ZTA600A ZTA1200A ZTA2000A Hole diameter mm 15 30 40 60 80 100 Allowable current A 600 1200 2000 Allowable current See the following table Penetrable max wire size and allowable current of ZCT Mass kg 6 5 11 27 Mass kg 02 04 06 20 26 33 Number of poles 3 Rated short time current 50kA peak value is 100kA Rated voltage AC600V Rated short time current 100kA peak value MPenetrable max wire size and allowable current of ZCT Penetrable max wire size mm Wiring method allowable current A Split type Through type Phase wire system No of wires Wire type CZ 55S ZT40B ZT60B ZT100B Single phase IV wire 650 992 1185 2 wire 600 V cross linked polyethylene 60 400 600 insulated wire with single core CV wire Single phase 600 V vinyl wire 3 wire IV wire 3 phase 600 V cross linked polyethylene 3 wire insulated wire with single core CV wire Remarks 1 Note that the wire thickness may vary slightly depen
13. nstalled on the basic base unit The number of installed modules is limited within the number of I O points on the CPU unit 3 Application to multi CPU systems QE82LG is applicable to multi CPU systems When using QE82LG on a multi CPU system first please refer to the QCPU User s Manual Multi CPU System 4 Applicable software packages The software packages compatible with QE82LG are shown below Remarks GX Developer SWnD5C GPPW MELSEC PLC programming software The n in the model name is 4 or higher GX Works2 SWnDNC GXW2 iQ Platform compatible PLC engineering software The n in the model name is 1 or higher 1 General specifications 2 Measurement items Specification Measurement items Phase wire system Single phase 2 wire single phase 3 wire and 3 phase 3 wire systems common use Single phase wie Leakage current Voltage cuit phase guire _ 110VAC and 220VAC common use 1o Instrument a rating Single phase 3 wire 110VAC between wires 1 2 between wires 2 3 220VAC between wires 1 3 Occurrence date time of max value Leakage current circuit AC1A ZCT is used The current is the primary current of ZCT Number of first stage alarm occurrences Frequency 50 60Hz automatic frequency selection Number of second stage alarm occurrences Mai it tol Leakage current 2 5 10 to 100 of rating Resistive component Current value Resistive component leakage current 2 5mA lt 10 of rating le
14. nt by matching the production information of the CPU unit with the energy information of the energy measuring module Since measured data is automatically collected in a buffer memory at 250ms detailed specific energy consumption management is also available Allows for easy graphic display of specific energy consumption with a graphic operation terminal GOT installed on the control panel at the manufacturing site Combination with the high speed data logger module QD81DL96 allows specific energy consumption analysis to be performed easily using personal computer MESE ie QESZ G Mitsubishi Electric Programmable Controllers Insulation Monitoring Module Precautions Before Use For Safe Use This catalogue explains the special features of the MELSEC Q Series programmable e To ensure the proper use of products presened in this catalogue please be certain to read the controllers It does not contain other information regarding restrictions usage or unit relevant user s manual before use combinations Please be certain to read the relevant product users manual before using The products presented in this catalogue are manufactured as general purpose parts for use in any system or machine Mitsubishi Electric Corporation shall not be liable to the general industries They are NOT designed or manufactured for use with devices or systems that are customer or equipment user for utilized under conditions that are l
15. quipment When leakage current is detected power Tri I Early detection of insulation deterioration signs Insulation deterioration cannot be detected Improvement of availability and reduction of product loss through easily due to the loc component measures taken before sudden stop The indicator displays the following data Current value Max value Occurrence date time of max value Number of alarm occurrences Alarm On site indicator GOT nazi The module can be installed directly to the slot in the Q base unit It is a space saving device and does not affect the layout of other devices Insulation Monitoring Module Electrical parameters such as current voltage and electric energy can be measured at a high speed in 250 ms cycles Specific energy consumption management preventive maintenance and quality control can be performed Leakage current In control panel Related product Energy Measuring Module A split type ZCT which is newly MED added to the lineup can be easily r lled NE The specific energy consumption refers to a value obtained by the formula energy installed on existing equipment usage production quantity and is used as one of the energy productivity indexes Increase of this index will lead to improvement of productivity From Corrective to Preventive Maintenance as a Result of Insulation Monitoring
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QE82LG