Mitsubishi Electric MELSEC-Q QE81WH4W User Manual Download Page 43

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6 – 4

6 Buffer memory

QE81WH4W

Table 6.1-2 Measurement

sections

(Un

G100 to Un

G2999) 3/3

*1 Even if the power failure is restored, data is held because data is backed up by the nonvolatile

memory.

*2 For the procedure for using the test mode, refer to section 4.2.5.

Summary of Contents for MELSEC-Q QE81WH4W

Page 1: ...this product please read this manual carefully and pay full attention to safety to handle the product correctly MODEL QE81WH4W Energy Measuring Module MODEL QE81WH4W U SY E MODEL CODE 19H861 IB63704 A User s Manual Details Mitsubishi Programmable Controller C 2012 MITSUBISHI ELECTRIC CORPORATION ...

Page 2: ... serious consequences CAUTION DANGER Observe the precautions of both levels because they are important for personal and system safety Keep this manual in an accessible place for future reference whenever needed and make sure it is delivered to the end user Precautions for Operating Environment and Conditions CAUTION Do not use this product in the places listed below Failure to follow the instructi...

Page 3: ...e Sequencer in an environment of frequent vibrations fix the module with a screw Tighten the screws within the specified torque range Fixing Module screw arranged by user M3 x 12mm Tightening torque of the fixing module screws 0 36 0 48 N m When the screw tightening is loose it causes a fall short circuit and a malfunction Over tightening can damage the screws and the module and it may cause a fal...

Page 4: ...osing and unstable wire or careless stretching results in poor contact of electric wires That may cause a breakage of the module or wire or a malfunction Use appropriate size of electric wires If inappropriate size of electric wire is used it may cause a fire due to generated heat For appropriate size of electric wires refer to 7 4 2 How to connect wires P7 6 In case using stranded wire take measu...

Page 5: ... a 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 nor wipe the surface with thinner or benzene Check for the following items for using this product properly for long time Daily maintenance 1 No damage on this product 2 No abnormality with LED indicators 3 No abnormal noise smell or heat...

Page 6: ...g 2012 IB 63704 A Correction 2 3 3 1 5 2 6 1 6 2 9 1 Addition 3 1 5 2 6 1 6 2 7 6 This manual does not guarantee to protect or does not give permission to any industrial property and any related rights Also our company shall not be held any responsible for any issues related to industrial properties due to product usage described in this manual 2012 MITSUBISHI ELECTRIC CORPORATION ...

Page 7: ...mechanical specifications 3 2 Chapter 4 Functions 4 1 4 15 4 1 List of functions 4 1 4 2 Functions in detail 4 2 4 2 1 Measuring functions 4 2 4 2 2 Measuring function for periodic electric energy 4 7 4 2 3 Max min value hold function 4 10 4 2 4 Upper lower limit alarm monitoring function 4 11 4 2 5 Test function 4 15 Chapter 5 I O signal to CPU module 5 1 5 6 5 1 List of I O signals 5 1 5 2 Detai...

Page 8: ...ing 7 7 7 6 Setting from GX Developer 7 16 Chapter 8 Programming 8 1 8 7 8 1 Programming procedure 8 1 8 2 System configuration and usage conditions for sample program 8 2 8 3 Sample programming 8 4 Chapter 9 Troubleshooting 9 1 9 9 9 1 List of error codes 9 1 9 2 Troubleshooting 9 2 9 3 Q A 9 6 Appendix Appendix 1 6 Appendix 1 External dimensions Appendix 1 Appendix 2 Optional devices Appendix 2 ...

Page 9: ...roller 2 For the product For the compliance of this product with the EMC and Low Voltage Directives refer to Section 7 5 Wiring 3 CE marking conformity combination module This module conforms to CE marking standard in a condition to make combination use with following current censor and cable current censor EMU CT50 EMU CT100 EMU CT250 EMU CT400 EMU CT600 EMU2 CT5 4W cable or current censor cable ...

Page 10: ...A 9 Note ...

Page 11: ...tric power reactive power apparent 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 3 It also can measure the electric energy for a certain period It can measure the electric energ...

Page 12: ...sider the combination of modules to be attached Since the number of attachable modules are limited by the power module which used please refer to the notes on the 2 2 precautions for system configuration Applicable CPU Module CPU Type CPU Model Remarks Number of modules Q00JCPU 16 Q00CPU Basic model QCPU 24 Q01CPU Q02CPU Q02HCPU Q06HCPU Q12HCPU High performance model QCPU Q25HCPU 64 Q02PHCPU Q06PH...

Page 13: ...modules QJ72LP25 25 QJ72LP25G 64 QJ72BR15 c The base unit can be mounted QE81WH4W can be installed to any I O slot of main base unit and extension base unit 1 In case of redundant CPU can be mounted to the extension base unit only Mounted to the main base unit is not allowed 2 Limited within the range of I O points for the CPU module 2 For multiple CPU system The function version of the first rele...

Page 14: ...2 Q61SP 3 Q63RP 12 Q64RP 12 2 When mounted to the extension base This module can not be mounted to the extension base without the power modulet When extending please use the power module mounted type extension base units 2 3 How to check the function version serial number and module version 1 How to check the serial number and module version It can be checked with the serial number label placed on...

Page 15: ...tics System monitor and click the Product Information List button of GX Developer Point The serial number displayed on the Product Information List dialog box of GX Developer may differ from that on the rating plate and on the front of the module The serial number on the rating plate and front part of the module indicates the management information of the product The serial number displayed on the...

Page 16: ...ent 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 90 Electric energy 2 0 5 100 range of the rating power factor 1 Reactive energy 2 5 10 100 range of the rating power factor 0 Measurable circuit count 1 circuit Data update cycle 250 ms 5 Response time 2 seconds or less Backup for electric blackout Backup is made using nonvolatile...

Page 17: ...IEC 61131 2 Continuous vibration 4 9 m s2 8 4 150 Hz Impact resistance Conforms to JIS B 3502 IEC 61131 2 147m s 2 XYZ each direction 3 times Over voltage category 1 II or less Pollution degree 2 2 or less Equipment category Class Ι Single wire AWG28 AWG16 Voltage input terminal Stranded wire 4 AWG28 AWG16 Single wire AWG26 AWG16 Applicable wire Usable electric wire 6 Current input terminal 3 Stra...

Page 18: ...sensor k l and the main module terminal 1k 1l 2k 2l 3k 3l use twisted pair cable 4 If stranded wire is used for current input terminals a bar terminal must be used Recommended bar terminal TGV TC 1 25 11T Made by Nichifu 5 The module can be fixed easily to the base unit using the hook on top of the module However if it is used under a vibrating environment we strongly recommend that the module be ...

Page 19: ...iod of time when a certain output signal is ON will be stored in the buffer memory Periodic energy 1 and 2 can be measured independently Section 4 2 2 3 Hold max min values For current demand line voltage phase voltage electric power demand and power factor each maximum minimum values and date time of occurrence are stored Section 4 2 3 4 Upper lower limit alarm monitoring Of current demand line v...

Page 20: ...age V12 2 3 line voltage voltage V23 3 1 line voltage voltage V31 average value voltage L L Max value of the voltage L L Min value of the voltage L L Date time of max voltage value occurrence L L Date time of min voltage value occurrence L L 1 0 phase voltage voltageV1N 2 0 phase voltage voltageV2N 3 0 phase voltage voltageV3N average value voltage L N Max value of the voltage L N Min value of the...

Page 21: ...Maximum current demand Highest value among 1 phase current demand 2 phase current demand 3 phase current demand or N phase current demand The highest value after the max min value was reset Minimum current demand Lowest value among 1 phase current demand 2 phase current demand or 3 phase current demand The lowest value after the max min value was reset Maximum value voltage L L Highest value among...

Page 22: ...n are fixed to 0 3 Electric power electric power demand reactive power apparent power Full load power W 1 3 Multiplier Resolution 2 3 Ⅰ W 12 kW 3 3 digits after the decimal point 0 001 kW Ⅱ 12 kW W 120 kW 3 2 digits after the decimal point 0 01 kW Ⅲ 120 kW W 1200 kW 3 1 digit after the decimal point 0 1 kW Ⅳ 1200 kW W 12000 kW 3 Integer 1 kW Ⅴ 12000 kW W 120000 kW 3 10 10 kW 1 Full load power W ca...

Page 23: ...t 0 01 9999999 99 Ⅴ 12000kW W 120000 kW 1 1 digit after the decimal point 0 1 99999999 9 1 For calculating full load power W refer to Table 4 2 1 1 pages 4 5 2 Because the higher resolution than a typical watt hour meter the minimum digit values will change more than 2 at once update According to setting value of input voltage primary current primary voltage of VT and the condition of load Table 4...

Page 24: ... is obtained by current moving average Therefore even if current is 0A current demand may not be 0A Voltage L N When the input voltage L N is less than 55V it becomes 0V If there is no input at voltage V1N all measurement cannot be done Voltage L L When the input voltage L L is less than 95V it becomes 0V Electric power When current is 0A at all phases are 0A or when voltage is 0V all phases are 0...

Page 25: ...e measured 3 Periodic electric energy is stored in the nonvolatile memory so that it can be retained even at a power source reset 4 I O signals and buffer memory corresponding to each periodic electric energy 1 and 2 are provided below Buffer memory Double words Periodic electric energy measurement flag Periodic electric energy data completion flag Periodic electric energy reset request Periodic e...

Page 26: ...ic energy Periodic electric energy 1 Periodic electric energy 1 measurement flag Yn1 Periodic electric energy 1 data completion flag Xn1 Figure 4 2 2 1 Basic procedure of measuring the periodic electric energy 2 Resetting periodic electric power a Check that Periodic electric energy measurement flag Yn1 Yn2 is OFF and that Periodic electric energy reset request Yn3 Yn4 is OFF b Set Periodic electr...

Page 27: ...ON The specified periodic electric energy is reset to 0 kWh and Periodic electric energy reset completion flag Xn3 Xn4 will be turned ON c Check that Periodic electric energy reset completion flag Xn3 Xn4 has become ON and then set Periodic electric energy reset request Yn3 Yn4 to OFF Periodic electric energy reset completion flag Xn3 Xn4 will be turned OFF d When starting measurement set Periodic...

Page 28: ...ow to clear the max and min values 1 You can use the I O signal to clear the max and min values 2 The max and min values immediately after the clear will be the present values and the date of occurrence will be the present date and time 3 The following describes how to clear the max and min values a Check that Max min values clear request YnD is OFF b Set Max min values clear request YnD to ON Thi...

Page 29: ...or not the alarm occurrence condition should be retained if the value goes below the upper limit alarm value or goes over the lower limit alarm value after the upper lower limit alarm occurred Alarm delay time Un G15 Un G25 0 300 Unit second If it exceeds the upper limit alarm value or if it goes below the lower limit alarm value and the situation continues for the period of the alarm delay time t...

Page 30: ...eset request YnA OFF Flashing OFF ON Figure 4 2 4 2 Time chart of the upper lower limit alarm alarm reset method self retention 2 When the alarm reset method is in the auto reset setting example of an upper limit monitoring at alarm 1 a If the measured value that was set with the alarm 1 item exceeds the upper limit and the situation continues and remains for the alarm 1 delay time Alarm 1 flag Xn...

Page 31: ...rm 2 item goes below the lower limit and the situation continues and remains for the alarm 2 delay time Alarm 2 flag XnB will turn ON At the same time ALM2 LED flashes b If the measured value exceeds the lower limit Alarm 2 flag XnB will turn OFF At this time ALM2 LED is turned off c If the measured value that was set with the alarm 2 monitoring item goes below the lower limit but exceeds the lowe...

Page 32: ... LED flashes 警報1発生フラグ XA OFF ON 上限値警報マスク時間 ON OFF OFF 警報1リセット要求 YA Upper limit OFF ALM1 LED 消灯点滅消灯 b c d a 点滅 Alarm delay time 警報マスク時間 e ON Alarm delay time Alarm 1 flag XnA Alarm 1 reset request YnA Flashing OFF OFF Flashing Figure 4 2 4 5 Procedure for resetting Alarm 1 flag alarm reset method auto reset 3 How to reset Alarm flag during self retention in the case the alarm reset method self...

Page 33: ...by the intelligent function module switch setting and after that it enters to a measuring mode normal operation by resetting it It resumes with the previous set value electric energy and periodic electric energy 2 Content of fixed output For the value to be output to the buffer memory refer to Table 6 1 1 to 6 1 3 in 6 1 Buffer memory assignment 3 LED display when using the test function All LED l...

Page 34: ... Xn4 Periodic electric energy 2 reset completion flag Yn4 Periodic electric energy 2 reset request Xn5 Use prohibited 1 Yn5 Use prohibited 1 Xn6 Use prohibited 1 Yn6 Use prohibited 1 Xn7 Use prohibited 1 Yn7 Use prohibited 1 Xn8 Data acquisition clock Yn8 Use prohibited 1 Xn9 Operating condition setting completion flag Yn9 Operating condition setting request XnA Alarm 1 flag YnA Alarm 1 reset requ...

Page 35: ...ag Xn2 The usage procedure is the same as Periodic electric energy 1 data completion flag Xn1 Refer to 2 4 Periodic electric energy 1 reset completion flag Xn3 a When Periodic electric energy 1 reset request Yn3 is turned ON and the periodic electric energy 1 that is stored in the buffer memory is reset then this signal Xn3 turns ON For specific usage procedures refer to section 4 2 2 5 Periodic e...

Page 36: ... lower alarm it goes under the lower limit and if the situation continues and passes the alarm 1 delay time Un G15 then this signal XnA turns ON b Operations after this signal XnA is turned ON are different depending on the setting of the alarm 1 reset method Un G14 When the alarm 1 reset method Un G14 is auto reset If the measured value of the alarm 1 monitoring target becomes below the upper lim...

Page 37: ... When Max min values clear request YnD is turned ON and the data of max min value maximum value minimum value and their date and time of occurrence are cleared this signal XnD turns ON b When Max min values clear request YnD is turned OFF this signal XnD turns OFF 12 Error flag XnF a If an outside set value error occurs and if a hardware error occurs this signal XnF turns ON b The description of t...

Page 38: ...egardless of the status of Periodic electric energy 1 measurement flag Yn1 either OFF or ON the periodic electric energy can be reset using this request Yn3 When Periodic electric energy 1 measurement flag Yn1 is ON and the measurement is taking place the measurement will resume immediately after the reset c When this request Yn3 is set to OFF Periodic electric energy 1 reset completion flag Xn3 t...

Page 39: ...ate time of occurrence is reset this request YnD turns ON b When switching this request YnD from the OFF status to the ON status the max min value data will be cleared When clearing the max min data is completed Max min values clear completion flag XnD turns ON 10 Error clear request YnF a When switching this request YnF from the OFF status to the ON status while an outside set value error is pres...

Page 40: ...to the system area or area where data writing data from sequence programs is disabled Doing so may cause malfunction 1 Configurable sections Un G0 to Un G99 Table 6 1 1 Configurable sections Un G0 to Un G99 1 Even if the power failure is restored data is held because data is backed up by the nonvolatile memory 2 For the procedure for using the test mode refer to section 4 2 5 ...

Page 41: ...ns Un G100 to Un G2999 Table 6 1 2 Measurement sections Un G100 to Un G2999 1 3 1 Even if the power failure is restored data is held because data is backed up by the nonvolatile memory 2 For the procedure for using the test mode refer to section 4 2 5 ...

Page 42: ...nth and day of time of max voltage L L Md 0 R 0304H 324 Hour and minute of time of max voltage L L Md 0 R 0506H 325 Second and day of the week of time of max voltage L L Md 0 R 0703H 326 327 0 R 20600 Md Minimum voltage L L 328 Md Year of time of min voltage L L 0 R 2014H 329 Month and day of time of min voltage L L Md 0 R 0405H 330 Hour and minute of time of min voltage L L Md 0 R 0607H 331 Secon...

Page 43: ... Table 6 1 2 Measurement sections Un G100 to Un G2999 3 3 1 Even if the power failure is restored data is held because data is backed up by the nonvolatile memory 2 For the procedure for using the test mode refer to section 4 2 5 ...

Page 44: ...e 2 3000 Latest error code 0 R 1 3001 Year of time of error 0 R 2019H 3002 Month and day of time of error 0 R 0910H 3003 Hour and minute of time of error 0 R 1112H 3004 Second and day of the week of time of error 0 R 1301H Error 3005 4999 System area 1 Even if the power failure is restored data is held because data is backed up by the nonvolatile memory 2 For the procedure for using the test mode ...

Page 45: ...e voltage of the secondary side of voltage transformer 1 Setting procedure a Set the input voltage primary voltage of VT and secondary voltage of VT in the buffer memory Setting range is as follows When set other than 1 to 9 the value of this setting set to 0 any setting this setting and set primary secondary voltage of VT Un G5 Un G6 When the value of this setup is set as 1 to 9 primary secondary...

Page 46: ... current of CT in the buffer memory Setting range is as follows Please choose the settings to match the current sensor to be used When set other than 1 to 5 501 to 536 the value of this setting set to 0 any setting this setting and set primary current of CT Un G7 When the value of this setup is set as 1 to 5 501 to 536 primary current of CT is disabled Primary current Un G2 Setting value Descripti...

Page 47: ...3 500 5A 524 600 5A 525 750 5A 526 800 5A 527 1000 5A 528 1200 5A 529 1500 5A 530 1600 5A 531 2000 5A 532 2500 5A 533 3000 5A 534 4000 5A 535 5000 5A 536 6000 5A 0 6600 However this setting is disabled EMU2 CT5 4W b Turn Operating condition setting request Yn9 from OFF to ON to enable the setting Refer to 5 2 2 5 2 Default value Primary current Un G2 is set to 100 A 2 Primary current of CT Un G7 i...

Page 48: ...uest Yn9 from OFF to ON to enable the setting Refer to 5 2 2 5 2 Default value It is set to 120 seconds 6 2 5 Electric power demand time Un G4 Set a time duration for which the average fluctuation of electric power demand is measured from the measured power value If electric power demand time is set short the response to change of power will be quick however the fluctuation range may be too large ...

Page 49: ...Neutral current demand 1 Current demand lower limit 1 phase current demand 2 phase current demand 3 phase current demand 1 Voltage L L upper limit Voltage L L lower limit 1 2 line voltage 2 3 line voltage 3 1 line voltage 1 Electric power demand upper limit Electric power demand lower limit Electric power demand Power factor upper limit Power factor lower limit Power factor 2 Voltage L N upper lim...

Page 50: ...ing values for alarm 1 and 2 in the buffer memory Configurable range 2147483648 to 2147483647 The unit of the setting value is the same as below which was used for the measuring value of the monitored target configured in alarm 1 item and alarm 2 item Alarm 1 item Unit of alarm 1 value and alarm 2 value Alarm 2 item Current demand upper limit Current demand lower limit 10 3 A Voltage L L upper lim...

Page 51: ...setting 2 Default value It is set to self retention 0 6 2 9 Alarm 1 delay time Un G15 alarm 2 delay time Un G25 Set the alarm delay time for the alarm 1 and alarm 2 Alarm delay time means a grace period that takes from the moment when it exceeds the upper limit or goes under the lower limit of the alarm 1 value or alarm 2 value until the alarm flag is turned ON For detailed behavior refer to 4 2 4...

Page 52: ...Un G53 is set to 0 6 2 11 Output period of data acquisition clock Un G60 61 Set the period of the data acquisition clock Xn8 1 Setting procedure a Set the output period of data acquisition clock in the buffer memory Setting range is as follows Configurable range 0 to 86400000 ms If set the output period of data acquisition clock to 0 the data acquisition clock Xn8 will be turned off all the time b...

Page 53: ... of CT Un G7 are set 6 3 2 Electric energy consumption Un G102 103 electric energy regeneration Un G104 105 Stores the electric energy of the consumption side and the regeneration side will be stored 1 Details of stored data a Storage format Data are stored as double word 32 bit signed binary in the buffer memory Data range 0 to 999999999 For restrictions for measured data including resolution and...

Page 54: ...asuring cycle 250 ms 6 3 4 Periodic electric energy 1 Un G114 115 periodic electric energy 2 Un G116 117 Stores the periodic electric energy 1 and periodic electric energy 2 The periodic electric energy of the consumption side is measured For specific usage procedures for the periodic electric energy refer to section 4 2 2 1 Details of stored data a Storage format Data are stored as double word 32...

Page 55: ...ictions for measured data including resolution and measuring range refer to section 4 2 1 b Unit 10 3 A Unit is fixed c Update timing It will be updated every measuring cycle 250 ms 6 3 7 1 phase current demand Un G210 211 2 phase current demand Un G212 213 3 phase current demand Un G214 215 Neutral current demand Un G216 217 Stores the electric current effective value at each phase that is measur...

Page 56: ...le 250 ms 6 3 9 Maximum value of electric current demand Un G220 221 minimum value of electric current demand Un G226 227 Stores the max min values of the electric current demand among phases For procedure for storing the max min the electric current demand refer to section 4 2 1 2 1 Details of stored data a Storage format Data are stored as double word 32 bit signed binary in the buffer memory Da...

Page 57: ...c current demand Un G220 221 and minimum value of electric current demand Un G226 227 were updated 1 Details of stored data a Storage format As indicated below data are stored as BCD code in the buffer memory Buffer memory address Storage format Un G222 Un G228 e g Year 2010 2010h Un G223 Un G229 b15 b12 b11 b8 b7 b4 b3 b0 Year e g July 30 0730h Un G224 Un G230 b15 b12 b11 b8 b7 b4 b3 b0 Month Day...

Page 58: ...le word 32 bit signed binary in the buffer memory Data range 0 to 99999900 0 to 99 999 900 V For restrictions for measured data including resolution and measuring range refer to section 4 2 1 b Unit 10 3 V Unit is fixed c Update timing It will be updated every measuring cycle 250 ms 6 3 13 1 0 phase voltage Un G308 309 2 0 phase voltage Un G310 311 3 0 phase voltage Un G312 313 Stores the phase vo...

Page 59: ...ill be updated every measuring cycle 250 ms 6 3 15 Maximum value voltage L L Un G320 321 minimum value voltage L L Un G326 327 Maximum value voltage L N Un G332 333 minimum value voltage L N Un G338 339 Stores the max min values of the voltage among in between wires and phases For procedure for storing the max min voltage refer to section 4 2 1 2 1 Details of stored data a Storage format Data are ...

Page 60: ... N Un G330 second and day of the week of time of the min voltage L N Un G343 Stores year month day hour minute and the day of the week of time of maximum voltage L N Un G320 321 minimum voltage L L Un G326 327 maximum voltage L N Un G332 333 and minimum voltage L N Un G338 339 were updated 1 Details of stored data a Storage format As indicated below data are stored as BCD code in the buffer memory...

Page 61: ...estrictions for measured data including resolution and measuring range refer to section 4 2 1 b Unit 10 3 kW Unit is fixed c Update timing It will be updated every measuring cycle 250 ms 6 3 19 Electric power demand Un G404 405 Stores the electric power that is measured based on the moving average for the duration of time configured in the electric power demand time Un G4 1 Details of stored data ...

Page 62: ...tored as double word 32 bit signed binary in the buffer memory If the power is negative represents the regenerative power Data range 999999999 to 999999999 999999 999 to 999999 999 kW For restrictions for measured data including resolution and measuring range refer to section 4 2 1 b unit 10 3 kW Unit is fixed c Update timing It will be updated every measuring cycle 250 ms if it exceeds the curren...

Page 63: ...ime of maximum value of electric power demand Un G420 421 and minimum value of electric power demand Un G426 427 were updated 1 Details of stored data a Storage format As indicated below data are stored as BCD code in the buffer memory Buffer memory address Storage format Un G422 Un G428 e g Year 2010 2010h b15 b12 b11 b8 b7 b4 b3 b0 Year Un G423 Un G429 e g July 30 0730h b15 b12 b11 b8 b7 b4 b3 b...

Page 64: ...is negative represents the leading reactive power regenerative or consumption Data range 999999999 to 999999999 999999 999 to 999999 999 kvar For restrictions for measured data including resolution and measuring range refer to section 4 2 1 b Unit 10 3 kvar Unit is fixed c Update timing It will be updated every measuring cycle 250 ms 6 3 24 Total apparent power Un G502 503 Stores the total apparen...

Page 65: ...ing Because it is fixed at 3 there is no update 6 3 26 Power factor Un G702 703 Stores the power factor 1 Details of stored data a Storage format Data are stored as double word 32 bit signed binary in the buffer memory Data range 99900 to 100000 99 900 to 100 000 For restrictions for measured data including resolution and measuring range refer to section 4 2 1 b Unit 10 3 Unit is fixed c Update ti...

Page 66: ...er factor Un G720 721 and minimum power factor Un G726 727 were updated 1 Details of stored data a Storage format As indicated below data are stored as BCD code in the buffer memory Buffer memory address Storage format e g Year 2010 Un G722 Un G728 2010h b15 b12 b11 b8 b7 b4 b3 b0 Year Un G723 Un G729 e g July 30 0730h b15 b12 b11 b8 b7 b4 b3 b0 Month Day Un G724 Un G730 e g 10 35 1035h b15 b12 b1...

Page 67: ...e timing Because it is fixed at 3 there is no update 6 3 29 Frequency Un G802 803 Stores the frequency 1 Details of stored data a Storage format Data are stored as double word 32 bit signed binary in the buffer memory Data range 0 to 999900 0 to 999 900 Hz For restrictions for measured data including resolution and measuring range refer to section 4 2 1 b Unit 10 3 Unit is fixed c Update timing It...

Page 68: ...rror Un G3003 second and day of the week of time of the error Un G3004 The year month day hour minute and day of the week of time of the error will be stored 1 Details of stored data a Storage format As indicated below data are stored as BCD code in the buffer memory Buffer memory address Storage format Un G3001 e g Year 2010 2010h b15 b12 b11 b8 b7 b4 b3 b0 Year Un G3002 e g July 30 0730h Un G300...

Page 69: ...in the specified range as described below Loose screws may cause short circuit failure or malfunction 1 The module can be fixed easily to the base unit using the hook on top of the module However if it is used under a vibrating environment we strongly recommend that the module be fixed with screws Table 7 1 1 Tightening torque Locations of screws Torque range Module fixing screws M3 screw 1 0 36 0...

Page 70: ...ecified base unit Refer to section 7 4 Wiring Wire QE81WH4W for external device Refer to section 7 5 Setting the intelligent function of module switch Initial setting Perform settings using GX Developer Refer to section 7 6 Programming debugging Create and check the sequence program Start Figure 7 2 1 Procedure for operation ...

Page 71: ... 4 Voltage input terminals Connect the voltage output wire of the voltage transform unit 5 Push button Use this button to insert a cable to the terminal or to remove them 6 Check hole Use this for continuity check to the terminal Use it with a tester contact 2 Strip gauge A gauge that is used for checking the length of stripped wire to connect to the current input terminals 1 LED 7 Strip gauge A g...

Page 72: ...uring electric energy regeneration OFF Other than the above 1 LED Green Displays the status of measurement regeneration at side 1 of this module ON Measuring 1 phase electric energy regeneration OFF Other than the above 2 LED Green Displays the status of measurement regeneration at side 2 of this module ON Measuring 2 phase electric energy regeneration OFF Other than the above 3 LED Green Displays...

Page 73: ...k that the module is firmly inserted to the base unit Hole for fixing the module Complete Caution Attach to the base 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...

Page 74: ...using the lower part of the module as a fulcrum point Hook for fixing the module 1 Module connector Module As lifting the module upward release the protruding portion for fixing the module 2 from the hole Hole for fixing the module Base unit Complete When module fixing screws are used make sure to remove the screws for detaching the module first and then remove the protruding portion for fixing th...

Page 75: ...o noise Conditions Distance Power line of 600V or less and 600A or less 300mm or more Other power line 600mm or more 5 For input wiring of the measurement circuit use separate cables from other external signals in order to prevent from AC surge and induction 6 Keep any object off the cables 7 Protect cable coating from scratch 8 Cable length should be routed in length with a margin please take car...

Page 76: ... use has to be 10 to 11mm Check the stripping length please use the strip gauge at the center of QE81WH4W main body Stripping length of the wire 10 to 11 mm b At the connection between the secondary terminal of current sensor and current input terminals use twisted pair cable Applicable wire Usable electric wire Single wire φ1 2mm φ0 5mm to φ1 2mm Stranded wire 1 3mm2 0 5 mm2 to 1 3 mm2 c When str...

Page 77: ...e QE8WH4VT Voltage transform unit Figure 7 5 3 1 In the case of Three phase 4 wire with the voltage transform unit current transformer P1 P2 P3 P0 FG PD SLD PB PA PC 1k 1l 2k 2l 3k 3l PA PB PC PD SLD 1 2 3 0 QE8WH4VT Voltage transform unit Load side Voltage transformer For gauge 5A current sensor EMU2 CT5 4W Current transformer 5A current sensor cable EMU2 CB Q5A 4W Power source side Figure 7 5 3 ...

Page 78: ... L QE8WH4VT Voltage transform unit Load side EMU CT model split current sensor 50 100 250 400 600 1 Figure 7 5 3 3 In the case of Three phase 4 wire with the voltage transform unit current transformer Parallel connection of QE81WH4W multiple units 1 Measurement module can be connected to a voltage transform unit is up to five Transition wiring can be up to 2 to the voltage terminal block of the en...

Page 79: ...Direction from power source side K to load side L is indicated with the arrow 3 Make sure no dust or foreign object is attached on the split core surface and after that close the movable core Lift the movable core until the stoppers are firmly locked When the hooks on both side of movable core are locked to the stoppers you will hear click sound twice Hole for fixing 3 2 Hole for fixing 3 2 Bindin...

Page 80: ...n tighten the core band using the screw 2 6 Attach the core cover and fix it with the band 1 7 Connect the secondary terminal with multiple circuit power measuring module turn the secondary short switch into open and then attach the terminal cover 2 To attach 5 A current sensor to the secondary side of current transformer 5A rating Transfix EMU2 CT5 4W current sensor to the secondary side wire of ...

Page 81: ...is very sensitive Even a small foreign object on the surface may affect the measurement performance Excessive force to the core during open clamp may cause breakage Incorrect direction may cause inaccurate measurement For both the transfixing wire and the binding band for fixing the sensor use the size of W 2 6 mm or less To fix them together Put a binding band through a hole for fixing the curren...

Page 82: ... m Connecting 5 A current sensor and the cable Connecting 5 A current sensor and extension cable standard Connecting 5 A current sensor and extension cable separate EMU2 CT5 4W 0 5m EMU2 CB T MS 1 10m EMU2 CB T M 1 10m EMU2 CB Q5A 4W 0 5m Not use 1 Disconnect the connector of 1 phase and 3 phase Keep connection of 2 phase 2 Connect the extension cable EMU2 CB T MS 1 10m EMU2 CT5 4W 0 5m Supplement...

Page 83: ...WH4VT If used at a circuit higher than 277 480V AC make sure use a voltage transformer The transformer which has primary voltage of VT less than 6600V and secondary voltage of VT not more than 220V can be used Please connect the transformer secondary voltage to P1 P2 P3 and P0 terminals of QE8WH4VT Make sure that terminal symbols are correct In order to perform maintenance work such as changing th...

Page 84: ...6 1 I O assignment setting 1 Double click the dialog box of PLC Parameter in the GX Developer Project 2 Click I O assignment 3 Set the following item to the slot 1 to which QE81WH4W has been attached Figure 7 6 1 1 Dialog box of I O assignment Table 7 6 1 1 Setting items on the I O assignment tab Item Descriptions Type Select Intelli Model name Enter the model name of the module Points Select 16 p...

Page 85: ...ble 7 6 2 1 Select DEC Figure 7 6 2 1 Dialog box to set the intelligent function of the module switch Table 7 6 2 17 8 Setting the intelligent function of the module switch Swith No Switch name Description 1 Not used 2 Not used 3 Not used 4 Not used 5 Test mode transition 0 measuring mode Even if it is not set measuring mode is performed 1 Test mode For details of test mode refer to 4 2 5 3 When t...

Page 86: ...alog box to monitor all buffer memories After setting the address as shown below click the Start monitoring button to check the current buffer memory status Module initial address Set the initial address of this module Buffer memory address 0 Display 16 bit integer numerical value check the number in decimal 2 Check each item The following shows items for operating condition settings For specific ...

Page 87: ...e Device X9 changes to ON Check this using the procedure as follows a From the Online menu select Monitor Device batch The dialog box to monitor all devices is displayed b Set X0 to the device and click Start monitor c Check that Device X9 is in the ON status Figure 7 6 3 3 Checking the device X9 in the dialog box to monitor all devices 6 After checking that the device X9 is in the ON status selec...

Page 88: ...ng value Un G52 32bit Electric energy consumption Un G102 16bit Integrated value set request YC 16bit Integrated value set completion flag XC 16bit 2 Check item a Set integrated value setting target Un G51 in the buffer memory Setting range is as follows Table 7 6 4 1 List of setting items Setting value Description 0 No set 1 Electric energy consumption 2 Electric energy regeneration 3 Reactive en...

Page 89: ... is attached to the slot 0 3 Change the setting in 2 4 In the section of bit device setting in the device test dialog box select YC and click the FORCE ON button 5 When the setting is completed without any problem the Device XC changes to ON Figure 7 6 4 3 Checking the device XC in the dialog box to monitor all devices 6 After checking that the device XC is in the ON status select Device YC in the...

Page 90: ...nction module switch setting refer to section 7 7 2 2 The intelligent function module switch setting displays switches 1 to 5 however only the switch 5 is used for this purpose Switch setting is configured using 16 bit data Setting is as follows Switch 5 1 3 When the setting is completed click the End button 4 From the Online menu select Write to PLC to display the dialog box of Write to PLC and t...

Page 91: ...1 to create a program for acquiring the measured data alarm monitoring calculating periodical electricity amount using QE81WH4W Initial setting program Setting the phrase wire method primary voltage and primary current Measured data acquisition program Acquiring the electric current electric energy amount etc Error monitoring program Monitoring the error status and output in case of error occurren...

Page 92: ...ch Switch No Switch name Description 1 Not used 2 Not used 3 Not used 4 Not used 5 Test mode transition 0 measuring mode 3 Programming conditions a Setting the operating conditions Phase wire Three phase 4 wire Input voltage 220 380 V Primary current 250 A Current demand time 30 sec Electric power demand time 30 sec Primary voltage of VT 0 Secondary voltage of VT 0 Primary current of CT 0 b Alarm ...

Page 93: ...rogram Before creating a program attach QE81WH4W to the base unit and connect it to external devices Eurrent sensor EMU CT250 Voltage transform unit QE8WH4VT P1 P2 P3 P0 FG PD SLD PB PA PC 1k 1l 2k 2l 3k 3l PA PB PC PD SLD K L K L K L 1 2 3 0 Power source side Load side Figure 8 2 2 Example of wiring using a sample program 8 3 ...

Page 94: ...ency D20 Device that stores latest error code X0 Module ready X8 Output period of data acquisition clock X9 Operating condition setting completion flag XA Alarm 1 flag XB Alarm 2 flag XF Error flag Y1 Periodic electric energy 1 measurement flag Y2 Periodic electric energy 2 measurement flag Y9 Operating condition setting request QE81WH4W X Y0 to X YF X10 Device that the user will turn ON in order ...

Page 95: ...me 5 5 sec U0 G21 Alarm 2 item 1 Current demand upper limit U0 G22 23 Alarm 2 value 120000 120 A U0 G24 Alarm 2 reset method 0 Self retention U0 G25 Alarm 2 delay time 5 5 sec U0 G60 61 Output period of data acquisition clock 1000 1 sec U0 G100 Multiplier of electric energy Stores multiplier of electric energy U0 G102 103 Electric energy consumption Stores electric energy U0 G218 219 Average curre...

Page 96: ...setting U0 Alarm 1 reset method U0 Alarm 1 delay time Alarm 2 operating condition setting Output period of data acquisition clock setting U0 Alarm 2 item U0 Alarm 2 value U0 Alarm 2 reset method U0 Alarm 2 delay time U0 Output period of data acquisition clock Set the request of operating condition setting Y9 to ON Request of operating condition setting Set the request of operating condition settin...

Page 97: ...rror code Output ON to Y22 when an error occurs Multiplier of Module READY electric energy Output period of data acquisition clock Electric energy consumption U0 U0 Average current U0 Average value voltage L L U0 Average value voltage L N U0 Active energy U0 Reactive energy U0 Apparent power U0 Power factor U0 Frequency 3 Program for periodic energy function Module READY Periodic electric energy 1...

Page 98: ... is set out of range Set current demand time within the range of 0 to 1800 seconds Section 6 2 4 1005h Low Electric power demand time Un G4 is set out of range Set electric power demand time within the range of 0 to 1800 seconds Section 6 2 5 1006h Low Alarm 1 item Un G11 is set out of range Set alarm 1 item within 1 to 10 Section 6 2 6 1007h Low Alarm 2 item Un G21 is set out of range Set alarm 2...

Page 99: ...oubleshooting 9 2 1 When RUN LED is turned off Table 9 2 1 1 When RUN LED is turned off Check item Action Reference Is power source is supplied Check that supply voltage of the power source is within the rating Is capacity of the power source module sufficient Calculate the consumption current of CPU module I O module and intelligent function module attached to the base unit and check that the pow...

Page 100: ...th a nearest sales agent or our company branch for the symptom of the failure Section 9 1 2 If it is flashing Table 9 2 2 2 When ERR LED is flashing Check item Action Reference Did any error occur The set value may be out of range Check that the operating condition settings and the integrated value are correct Correct configuration or changing the request for error clear YF to ON will recover the ...

Page 101: ...orrect Check connection of P1 P2 P3 and P0 Current sensor on side 1 may be installed in the reverse order or current sensors on side 1 side 2 and side 3 may be swapped Check the connection Only 1 is ON Connection between P1 and P2 or P1 and P3 or P1 and P0 may be reserved Check the connection Current sensor on side 2 may be installed in the reverse order or current sensors on side 1 side 2 and sid...

Page 102: ...ive value into the buffer memory If the compared device uses the average value instead of the effective value the resulted value may largely differ when there is current distortion in the measurement circuit Is the secondary of CT short circuited Make sure that the secondary of CT is not short circuited If it is connected to Mitsubishi s current transformer CW 5S L check that the secondary switch ...

Page 103: ...secondary terminals of the current sensor A The secondary side of the models EMU2 CT5 4W EMU CT50 EMU CT100 and EMU CT250 is equipped with the protective circuit against opening of secondary terminals Opening them during the wiring work causes no problems However for safety please do not continuously energize the module with the terminals open The secondary side of the models EMU CT400 and EMU CT6...

Page 104: ...res an average value instead of rms value distortion in the current of the circuit to be measured causes a significant difference of values This module measures an rms value 6 Check for the short circuit on the secondary side of the current transformer CT 7 Current sensor connectable to the module is the dedicated current sensor only Check that the proper current sensor is connected or not 9 3 2 Q...

Page 105: ... 60 mm 2 EMU CT50 CT100 150 mm 2 EMU CT250 500 mm2 1 wire 325 mm 2 2 wires EMU CT400 CT600 CV wire 600 V vinyl insulated wire 38 mm2 EMU CT50 CT100 150 mm 2 EMU CT250 100 mm 2 is recommended 500 mm 2 1 wire 325 mm 2 2 wires EMU CT400 CT600 The above shows the standard nominal cross sectional areas Due to the outer difference of finished vinyl insulation and deformation bending depending on manufac...

Page 106: ...Power supply side of the circuit is indicated as K and the load is indicated as L An arrow indicates the direction from K to L Check the current sensor and the module are connected correctly for the 1 side circuit 2 side circuit and 3 side circuit Besides check that voltage inputs for voltage transform unit are connected correctly among P1 P2 P3 and P0 Q How do wires extend between a current senso...

Page 107: ...Appendix QE81WH4W Appendix Appendix 1 External dimensions Unit mm Appendix 1 ...

Page 108: ...sensor conform to UL c UL in a condition to make combination use with QE81WH4W Mitsubishi MELSEC Q series programmable controllers Energy Measuring Module 5A current sensor Item Specifications Model EMU2 CT5 4W Maximum voltage voltage to ground line voltage 150V 260V AC Rated primary current 5A AC Frequency 45 65Hz Ratio error 1 5 100 of rating RL 10Ω Phase displacement 0 9 c rad 5 100 of rating R...

Page 109: ...een voltage input terminals P1 P2 P3 P0 and secondary output terminals PA PB PC PD except for SLD terminal 2210 V AC 5 sec Insulation resistance 10 MΩ or more 500 V DC at the same locations as above Consumption VA P1 P0 2 VA P2 P0 0 3 VA P3 P0 0 3 VA when inputting 277 480 V AC Installation location Inside the control panel Secondary wire length 5 m or less Installation method Installation on IEC ...

Page 110: ... Hole for fixing 3 2 Protective cover A B F C D E Model A B C D E F EMU CT50 CT100 31 5 39 6 55 2 25 7 15 2 18 8 EMU CT250 36 5 44 8 66 32 5 22 24 EMU2 CT5 4W Sensor in detail Core cover M4 screw Split metal core surface Secondary terminal M4 screw Secondary short circuit switch Terminal cover Unit mm Unit mm 3 side 3 side 1 side Unit mm Appendix 4 ...

Page 111: ...e EMU2 CB Q5A 4W Extension cable standard EMU2 CB T M Model EMU2 CB T1M EMU2 CB T5M EMU2 CB T10M Length 1000mm 5000mm 10000mm Extension cable separate EMU2 CB T MS Model EMU2 CB T1MS EMU2 CB T5MS EMU2 CB T10MS Length 1000mm 5000mm 10000mm Unit mm Appendix 5 ...

Page 112: ...Appendix Appendix 6 QE81WH4W Dedicated voltage transform unit QE8WH4VT Unit mm ...

Page 113: ... values clear completion flag XnD 4 12 5 4 Max min values clear request YnD 4 12 5 6 N Name of each part 7 3 O Operating condition setting completion flag Xn9 5 3 Operating condition setting request Yn9 5 5 Output signal 5 5 P Periodic electric energy 4 1 4 9 Periodic electric energy 1 data completion flag Xn1 5 2 Periodic electric energy 1 measurement flag Yn1 5 5 Periodic electric energy 1 reset...

Page 114: ...ures which are beyond responsibility of our company or which you admit that our company is not held responsible for 2 Fare Paying Repair Period after Production Discontinued 1 The period our company may accept product replacement with charge shall be seven 7 years after production of the product is discontinued Production stoppage shall be announced in the technical news etc of our company 2 The p...

Page 115: ...o 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 Aug 2012 LY303Z743G51 ...

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