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iv

IM WT5000-01EN

Contents

5  

Motor Evaluation and Auxiliary Input (Option)

Motor Evaluation/Auxiliary Inputs (Motor/Aux) .............................................................................. 5-1

MTR Configuration (MTR Configuration)

 ...................................................................................... 5-2

Motor/Aux Settings (Ch Settings).................................................................................................. 5-4
Input Signal Name (Aux Name) .................................................................................................... 5-4
Scaling Factor (Scaling) ................................................................................................................ 5-5
Unit (Unit) ...................................................................................................................................... 5-5
Input Signal Type (Sense Type) .................................................................................................... 5-6
Analog Input Range ...................................................................................................................... 5-7
Linear Scaling of Analog Input ...................................................................................................... 5-8
Line Filter (Line Filter(Butterworth)) ............................................................................................ 5-10
Pulse Noise Filter (Pulse Noise Filter) ........................................................................................ 5-10
Sync Source (Sync Source) ........................................................................................................ 5-10
Upper and Lower Limits of Pulse Input Range (Pulse Range Upper, Pulse Range Lower) ........5-11
Torque Signal Pulse Rating..........................................................................................................5-11
Revolution Signal Pulses per Revolution (Pulse N) .................................................................... 5-13
Sync Speed(Sync Speed) ........................................................................................................... 5-14
Electrical Angle Measurement (Electrical Angle Measurement) ................................................. 5-15

Computing the Motor Efficiency and Total Efficiency

 .................................................................. 5-16

6  

Computation and Output Configuration

Computation and Output (Computation/Output) ........................................................................... 6-1

Efficiency Equation (Efficiency)

 ..................................................................................................... 6-2

Delta Computation (Δ Measure)

.................................................................................................... 6-3

Data Update Interval (Update rate) ............................................................................................... 6-6
Averaging (Averaging) .................................................................................................................6-11
D/A Output (D/A Output, option).................................................................................................. 6-13

7  

Harmonic Measurement Conditions

Harmonic Measurement Conditions (Harmonics) ......................................................................... 7-1
Input Element Group (Elements) .................................................................................................. 7-1
PLL Source (PLL Source) ............................................................................................................. 7-1
Measured Harmonic Orders (Min Order/Max Order) .................................................................... 7-2
Distortion Factor Equation (Thd Formula)..................................................................................... 7-3
Number of FFT Points (FFT Points) .............................................................................................. 7-3
Anti-Aliasing Filter ......................................................................................................................... 7-3

8  

Computation

Computation (Measure) ................................................................................................................ 8-1

User-Defined Functions (User Defined Functions)

 ....................................................................... 8-1

Measuring the Average Active Power ........................................................................................... 8-5
MAX Hold (Max Hold) ................................................................................................................... 8-5

User-Defined Events (User Defined Event)

 .................................................................................. 8-6

Equation for Apparent Power (S Formula) .................................................................................... 8-8
Apparent Power and Reactive Power Computation Types (S,Q Formula) ................................... 8-9
Equation for Corrected Power (Pc Formula) ............................................................................... 8-10

Phase Difference Display Format (Phase)

 ...................................................................................8-11

Master/Slave Synchronous Measurement (Sync Measure)........................................................ 8-12

Содержание WT5000

Страница 1: ...IM WT5000 01EN 1st Edition Precision Power Analyzer WT5000 Features Guide...

Страница 2: ...CD contains the PDF file of this manual The manual explains the instrument s communication interface features and instructions on how to use them WT5000 Precision Power Analyzer IM WT5000 92Z1 Documen...

Страница 3: ...e United States and or other countries Adobe and Acrobat are either registered trademarks or trademarks of Adobe Systems Incorporated In this manual the and TM symbols do not accompany their respectiv...

Страница 4: ...ment for Setting the Measurement Range Element1 to 7 1 to 7 ELEMENTS 3 3 Voltage Range Voltage VOLTAGE RANGE 3 4 Auto Voltage Range Auto Voltage AUTO VOLTAGE RANGE 3 5 Current Range Current CURRENT RA...

Страница 5: ...16 6 Computation and Output Configuration Computation and Output Computation Output 6 1 Efficiency Equation Efficiency 6 2 Delta Computation Measure 6 3 Data Update Interval Update rate 6 6 Averaging...

Страница 6: ...ndows Format 11 4 Time Axis Time div 11 4 Vertical Axis Amplitude 11 6 Advanced Waveform Display Settings Advanced 11 7 Cursor Measurement Cursors 11 7 Trend Display Trend 11 8 Display Group Group 11...

Страница 7: ...or Measurement Cursor Measurement Cursors 15 1 Turning Cursor Measurement On and Off Cursors 15 1 Waveform Measured by Cursor 1 C1 Trace 15 1 Position of Cursor 1 C1 Position 15 2 Position of Cursor 1...

Страница 8: ...18 3 Network Drive Net Drive 18 4 SNTP SNTP 18 5 19 Utility Utility Utility UTILITY 19 1 Instrument Information System Overview 19 2 System Configuration System Configuration 19 3 Remote Control Remo...

Страница 9: ...to the rms value Yes Yes Udc Simple voltage average Yes Yes Urmn Rectified mean voltage Yes Yes Uac AC voltage component Yes Yes Ufnd Fundamental voltage component Yes Yes U pk Maximum voltage Yes No...

Страница 10: ...me Yes No WP Sum of positive and negative watt hours Yes Yes WP Sum of positive P values Yes Yes WP Sum of negative P values Yes Yes q Sum of positive and negative ampere hours Yes Yes q Sum of positi...

Страница 11: ...No Uthf Telephone harmonic factor of the voltage Yes No Ithf Telephone harmonic factor of the current Yes No Utif Telephone influence factor of the voltage Yes No Itif Telephone influence factor of th...

Страница 12: ...Yes No No No Itif Yes No No No hvf Yes No No No hcf Yes No No No K factor Yes No No No Functions with parentheses will produce different values depending on which of the following is contained in the...

Страница 13: ...ion Functions Option Function Description Motor Number Input Element Speed Motor rotating speed Yes No Torque Motor torque Yes No SyncSp Synchronous speed Yes No Slip Slip Yes No Pm Mechanical output...

Страница 14: ...Yes No RngSpd Speed measurement range No Yes RngTrq Torque measurement range No Yes RngAux1 to 8 Aux measurement range No No For measurement range functions data can be acquired using the following me...

Страница 15: ...cify five wiring systems on this instrument to measure the power of various single phase and threephase power transmission systems single phase two wire single phase three wire three phase three wire...

Страница 16: ...ut Computation Output Utility Utility Initialize Settings Initialize Settings File List File List Save Setup Save Setup Load Setup Load Setup Measurement Mode Measurement Mode The measurement mode is...

Страница 17: ...Collectively Selecting All Files When the cursor is on a device or folder in the file list select ALL Set to select all of the files and folders within the device or folder that the cursor is on Dese...

Страница 18: ...followed by letters of the alphabet Save Destination Folder for Storage Caused by User Defined Events Click here File Name File Name You can set the common file name that is used when the auto naming...

Страница 19: ...tension is SET For information about how to configure the file list display and how to operate files and folders see File List File List Click here Loading Execute Load Loads the data of the specified...

Страница 20: ...se four wire system 3P3W 3V3A Three voltage three current method Wiring Unit Wiring units are sets of two or three input elements of the same wiring system that are grouped together You can define up...

Страница 21: ...ring unit are shown in the frame Settings of Elements Grouped in a Wiring Unit If a wiring system other than 1P2W is selected when the measurement range valid measurement range or sync source settings...

Страница 22: ...he following methods are available for selecting the element for setting the measurement range 1 to 7 ELEMENTS keys Element 1 to 7 of the S menu When range link is set to on the selected elements will...

Страница 23: ...suring a signal other than a sine wave such as a distorted wave you can obtain accurate measurements by selecting the smallest measurement range that does not produce any of the conditions below The i...

Страница 24: ...ge is increased on all input elements in the wiring unit when any of the elements in the unit meets the range increase conditions described above Range decrease The measurement range is decreased when...

Страница 25: ...High Accuracy Element When the Crest Factor Is Set to CF3 Select from 5mA 10mA 20mA 50mA 100mA 200mA 500mA 1A 2A and 5A When the Crest Factor Is Set to CF6 or CF6A Select from 2 5mA 5mA 10mA 25mA 50mA...

Страница 26: ...tomatically when auto range is set to on Fixed Ranges When the current range is fixed you can select a range from the available options The selected current range does not change even if the amplitude...

Страница 27: ...Current Sensor Range and Conversion Ratio Configuration Example When you measure a current with a maximum value of 100 A using a current sensor that produces 10 mV when 1 A of current is flowing the...

Страница 28: ...ge and current ranges on the elements in the wiring unit are set to the same range When the result of the equation voltage range current range exceeds 1000 W VA or var the displayed unit changes to kW...

Страница 29: ...T and CT are displayed directly as numeric data VT Ratio VT Scaling Set the VT ratio when applying the secondary output of a VT to the voltage input terminal Then set the voltage range according to th...

Страница 30: ...wer and efficiency of functions set the power coefficients of all elements so that all power units used in the computation are the same For example the efficiency cannot be computed correctly if eleme...

Страница 31: ...hat filter function is enabled and the settings explained in this section are disabled Click here Turning the Line Filter On and Off Line Filter When the line filter is turned on measured values will...

Страница 32: ...measurement or harmonic measurement Therefore the measured values include high frequency components even when the frequency filter is turned on This instrument detects the cross point with a hysteres...

Страница 33: ...first point where the sync source crosses the specified level center of the amplitude by default on a rising slope or falling slope and the last point where the sync source crosses the specified level...

Страница 34: ...etermine the values of normal measurement functions Sync Source Sync Source Select the signal to use as the sync source from the options listed below The available options vary depending on the instal...

Страница 35: ...he Computing Method Is Digital Filter Average The measurement period is determined by the data update interval and response speed You do not need to set the sync source Sync Source 3 Input Settings Ba...

Страница 36: ...lter Line Filter Frequency filter rectifier level Freq Filter Rectifier Level Null Feature Null Motor Evaluation Auxiliary inputs Motor Aux Measurement Range Range You can specify the following items...

Страница 37: ...r the peak value of the input signal must be less than or equal to the maximum allowable input If the crest factor of the input signal is greater than the specifications of this instrument the crest f...

Страница 38: ...ding auto range on or off Direct current input or external current sensor input Valid measurement range How Settings Are Aligned When Range Link Is Changed from Off to On When range link is changed fr...

Страница 39: ...om the external current sensor as a guide Measurement range display Measure The external current sensor range is divided by the external current sensor conversion ratio and the resulting current range...

Страница 40: ...The background of the selected measurement range turns yellow If a peak over range occurs when this feature is disabled this instrument increases the measurement range switching between valid measure...

Страница 41: ...easurement and harmonic measurement LPF U I Normal Measurement Harmonic Measurement Line Filter Type Line Filter Type Set the line filter type to Butterworth or Bessel However if the cutoff frequency...

Страница 42: ...pled points If you use the 1 MHz anti aliasing filter harmonic components around 1 MHz and higher are removed to prevent aliasing Digital Line Filter for normal measurement Digital Line Filter Normal...

Страница 43: ...described above and to measure the 1 kHz frequency you would set the frequency filter of the second frequency measurement Click here Sync Source and Frequency Measurement Sync Source Freq Measurement...

Страница 44: ...urements may change See appendix 1 in the Getting Started Guide IM WT5000 03EN Turning the Frequency Filter LPF On and Off Freq Filter This is the same as turning the frequency filter on and off in th...

Страница 45: ...cy CutOff Set the HPF cutoff frequency in the following range 0 1 Hz 1 Hz 10 Hz 0 1 kHz to 100 0 kHz in 0 1 kHz steps Voltage Cross Level Freq2 and Current Cross Level Freq2 Voltage Level Freq2 Curren...

Страница 46: ...signals separately Null Status Status Enable or disable the null feature for each input signal ON When you tap Null or press NULL this Instrument sets or updates the null value Afterwards the null va...

Страница 47: ...tions are affected by the null values If there are no previously measured values for Udc Idc Speed Torque or Aux because for example the null feature has been turned on before any measurements have be...

Страница 48: ...while the display is held the Null indicator will illuminate or turn off but the held data will not be affected Also the Null indicator will be highlighted The DC values that the null value is based...

Страница 49: ...utput measured by this instrument to compute the motor efficiency and total efficiency For a list of the measurement functions that can be measured with the motor evaluation feature and their descript...

Страница 50: ...lse A phase used for velocity measurement Ch C Ch G Speed B Pulse B phase used for rotation direction detection Ch D Ch H Speed Z Pulse Z phase used for electrical angle reference measurement Motor nu...

Страница 51: ...or 1 to 4 Motor 3 Motor 1 Motor 4 Motor 2 Auxiliary Input Aux Auxiliary You can apply analog voltage signals or pulse signals e g frequency from illuminance sensors wind sensors temperature sensors an...

Страница 52: ...ignal pulse rating Revolution Signal Pulses per Revolution Pulse N Motor Poles Pole Frequency Measurement Source Source When the MTR Configuration Is Set to Auxiliary Input Aux Input signal name Aux N...

Страница 53: ...Setting the Scaling Factor for Computing the Motor Output You can specify the scaling factor for computing the motor output mechanical power from the rotating speed and torque Set the factor to a valu...

Страница 54: ...nal Type Analog Pulse Analog auto range Yes No Analog range Yes No Linear scale A B Yes No Line filter Yes No Pulse noise filter No Yes Sync source Pulse range No Yes Number of pulses per revolution N...

Страница 55: ...ge is increased when the input signal exceeds 110 of the measurement range The measurement range is increased when the peak value of the input signal exceeds approximately150 of the measurement range...

Страница 56: ...of an input signal Measured values of an input signal S AX B NULL When the input signal type is set to analog S The scaling factor A The input signal slope X The input signal voltage B The offset NULL...

Страница 57: ...cteristic graphs of the input signal you can specify two measured rpm or N m values Point1Y and Point2Y in relation to two input voltage values Point1X and Point2X Measured values Point1X and Point2X...

Страница 58: ...nals you can select the element s input signal to use as the sync source from the following options The available options vary depending on the installed elements U1 I1 U2 I2 U3 I3 U4 I4 U5 I5 U6 I6 U...

Страница 59: ...ues are as follows Input Signal D A Output Setting for Pulse Range Upper 5 V Setting for Pulse Range Upper 1 5 V Torque Signal Pulse Rating When the torque signal type is pulse refer to the torque met...

Страница 60: ...Upper 15000 Negative rated torque signal pulse frequency Rated Freq Lower 5000 Torque sensor specifications Slope Torque pulse coefficient A Torque pulse offset B Number of output pulses 15 kHz 5 kHz...

Страница 61: ...n sensor per minute N The number of pulses per revolution NULL The null value When the scaling factor is 1 the rotating speed is the number of revolutions per minute min 1 or rpm If the revolution sig...

Страница 62: ...voltage or current that is not being applied to the motor the sync speed may not be determined properly Sync Speed Equation The sync speed unit is fixed at min 1 or rpm 120 Fs Pole Sync speed min 1 F...

Страница 63: ...cal Angle Measurement Items Valid EA Items These are the electrical angle measurement items They are set automatically according to the harmonic analysis trigger and harmonic element group settings Ex...

Страница 64: ...put Pm Motor power consumption P A When the Converter and Motor Inputs Are Wired to A and B Respectively 100 Motor output Pm W P B W Motor efficiency 100 Motor output Pm W P A W Total efficiency Conve...

Страница 65: ...he following items Efficiency equation Efficiency Delta computation Measure Data update interval Update Rate Averaging Averaging Harmonic measurement conditions Harmonics Computation Measure Display D...

Страница 66: ...t 2 P2 Efficiency equation P2 P1 100 Converter inverter etc Input power P1 Output power P2 Efficiency of a Single Phase Two Wire Input Three Phase Three Wire Output Device Input Power of element 1 P1...

Страница 67: ...current between two elements can be computed on a single phase three wire system or on a three phase three wire system When you perform delta computation on wiring unit A the available measurement fu...

Страница 68: ...e Delta Star Transformation Delta Star Using the data from a three phase three wire system that uses a three voltage three current method you can compute the data of a star connection from the data of...

Страница 69: ...CT ratio and coefficients of the elements that are undergoing delta computation as closely as possible Using different measurement ranges or scaling causes the measurement resolutions of the sampled...

Страница 70: ...splay at the upper right of the screen shows Normal Mode Trg If the update mode is set to trigger measurement takes place from when a trigger is detected over the data update interval The following am...

Страница 71: ...rately Check whether the sync source signal frequency is being measured correctly by following the procedures in sections 3 1 and 3 4 in the User s Manual IM WT5000 02EN Digital Filter Average Digital...

Страница 72: ...r condition is referred to as the trigger source Select from the following options The available options vary depending on the installed elements U1 I1 U2 I2 U3 I3 U4 I4 U5 I5 U6 I6 U7 I7 Ext Clk exte...

Страница 73: ...he trigger level setting is invalid Trigger level This instrument triggers here the trigger point when the trigger edge is set to rising Trigger source Input zero line center of the vertical axis 100...

Страница 74: ...vel on a rising edge The trigger feature has a hysteresis of approximately 2 when the crest factor is set to CF6 or CF6A The trigger feature for displaying waveforms does not work in the following cir...

Страница 75: ...pe You can use exponential Exp or moving averages Lin Exponential Averaging Exp With the specified attenuation constant the numeric data is exponentially averaged according to the equation below Dn Mn...

Страница 76: ...t Functions U k I k P k S k Q k k and k are computed using the averaged values of P k and Q k Z Rs Xs Rp Xp Uhdf Ihdf Phdf Uthd Ithd Pthd Uthf Ithf Utif Itif hvf hcf and K factor are computed using th...

Страница 77: ...may not need to select it The available options vary depending on the installed elements Element1 Element2 Element3 Element4 Element5 Element6 Element7 A B C If an element in the selected wiring unit...

Страница 78: ...rent D A output D A output Fixed range mode Manual range mode D A zoom 5 0 V Maximum Max and Minimum Min Range Values When the D A output range mode is Manual you can set the maximum Max and minimum M...

Страница 79: ...D A output and voltage see Relationship between Output Items and D A Output Voltage Setting the Rated Time for Integrated D A Output You can set the hour minute and second within the following range...

Страница 80: ...continuous integration mode Other Items Displayed Output value 140 Approx 7 0 V 100 5 0 V 0 0 V 100 5 0 V 140 Approx 7 0 V D A output Approx 7 5 V Approx 7 0 V 5 0 V 0 5 0 V 100 100 140 140 Approx 7 0...

Страница 81: ...1 V of input voltage the output is 5 V when the rotating speed is 1000 rpm The output for a pulse rotating speed signal is 5 V when the rotating speed reaches the value specified for Pulse Range Uppe...

Страница 82: ...d Hrm2 and measure harmonics using two PLL sources with different frequencies You can measure the input and output harmonics of an AC AC converter whose input and output frequencies are different Elem...

Страница 83: ...PLL source is at least 100 If the frequency of the PLL source changes correct measured values are displayed four data updates after the change Correct measured values may not be obtained immediately a...

Страница 84: ...s low frequency components This phenomenon is called aliasing Aliased signal Input signal Sampled points Aliasing causes problems such as increased errors in measured values and incorrect measurements...

Страница 85: ...f the measurement functions by combining operands The measurement functions that you can specify for the efficiency equation are fixed at power and motor output However by using user defined functions...

Страница 86: ...c UAC Iac IAC PHI fnd PHIFND Ufnd UFND Ifnd IFND Pc PC U pk UPPK I pk IPPK P pk PPPK U pk UMPK I pk IMPK P pk PMPK CfU CFU CfI CFI fU FU fI FI f2U F2U f2I F2I Integrated power Wp WH q AH ITime ITIME W...

Страница 87: ...o RNGAUX8 Models with the motor evaluation 1 or 2 option Setting the Operand Parameters The parameters that you need to enter depend on whether the function is followed by or Notation Specify the elem...

Страница 88: ...umber that is greater than or equal to its own number correct results will not be obtained For example if you set user defined function F3 to F1 F3 or to F1 F4 the computed result will be displayed as...

Страница 89: ...MAX value on or off You can determine the measurement functions whose maximum values will be held using a user defined function The different types of operands are listed below measurement function o...

Страница 90: ...n the keyboard Range Range Specify the judgment condition here when you have set the judgment condition specification method to Range Function Function You can select any of the measurement function t...

Страница 91: ...mbine is indicated below When you reach the maximum number of combinable user defined events no AND OR END specification box appears to the right of the last event Ev1 0 You cannot use other user defi...

Страница 92: ...the voltage and current Umean Imean The product of the voltage s and current s rectified mean values calibrated to the rms values Udc Idc The product of the simple averages of the voltage and current...

Страница 93: ...calculates the apparent power of each phase using equation 3 calculates the reactive power of each phase using equation 2 and sums the results to derive the power Active power for a three phase four...

Страница 94: ...wing Type 1 Type 1 IEC76 1 1976 Type 1 Type 2 IEC76 1 2011 Equations for each applicable standard P P1 P2 Urms Umn 2 Pc P Umn Urms Umn 1 Pc Type 1 IEC76 1 1976 Type 2 IEC76 1 2011 Pc Corrected Power P...

Страница 95: ...rees The phase difference is expressed as an angle between 0 and 360 in the clockwise direction If the measured voltage or current value is zero Error is displayed Phase difference for lead Lead and l...

Страница 96: ...signal For the specifications of the external start signal input output terminals see section 4 3 in the Getting Started Guide IM WT5000 03EN The measurement of the master and slave units cannot be sy...

Страница 97: ...can split the screen into top and bottom halves and select a display to show in each half Numeric Numeric display Graph Graph display Display Settings Numeric Display Each time you press NUMERIC the d...

Страница 98: ...order of the displayed items The number of displayed items varies depending on the number of elements that are installed in this instrument Click here 4 Value Display 4 Items Four numeric data values...

Страница 99: ...ayed Harmonic order data display area Click here Harmonics List Dual Screen Hrm List Dual When the display format is single screen display the harmonic order data items of two measurement functions ar...

Страница 100: ...n display on the left side of the screen and the harmonic order data display on the right side of the screen When scrolling with the and buttons on the Display menu use the Header List button on the s...

Страница 101: ...ument Can Measure Click here Example of How Measurement Functions Are Displayed in the Numeric Data Display True rms voltage of element 1 Urms1 Element 1 True rms value Voltage Simple average of the c...

Страница 102: ...n Urmn Imn or Irmn is 4 or less If the analysis window width number of cycles of the fundamental signal that is determined by the fundamental frequency is shorter than the data update interval harmoni...

Страница 103: ...nding to harmonic orders above the maximum measurable harmonic order is displayed as no data For information about the maximum measurable harmonic order see Maximum Harmonic Order to Be Measured Max O...

Страница 104: ...for B is displayed as no data If you select Speed Torque Pm Slip or SyncSp for the function Function select the motor number from the following options The options vary depending on the installed moto...

Страница 105: ...here Resetting the Display Items Reset Items This is the same as resetting the display items in the 4 8 and 16 value displays Click here Column Settings Column Settings Number of Columns Column Num S...

Страница 106: ...o change the displayed page on the screen The next page is displayed on the screen The previous page is displayed If you tap between and a page is displayed according to the tapped position Function F...

Страница 107: ...element s voltage and current Motor evaluation function s option speed torque Aux Waveform Display Example Time at the right edge of the screen amount of time contained in the screen Time at the left...

Страница 108: ...of the inverter and motor by changing the groups 1 to 3 displayed in the top and bottom screens Display Items Items Wave All ON All ON The waveforms of all input signals are displayed All OFF All OFF...

Страница 109: ...do not correspond to three times the measurement range or to 100 when the crest factor is set to CF3 and six times the measurement range or to 100 when the crest factor is set to CF6 or CF6A You must...

Страница 110: ...Quad 180 points Hexa 120 points When the screen is split the number of displayed points along the vertical axis of a single window is halved Methods for Assigning Waveforms to Screens Waveforms whose...

Страница 111: ...in each raster Therefore the number of waveform display data points the number of points displayed on the screen for a single input signal is 2002 p p Compression p p compression is the compression me...

Страница 112: ...rement range For example if the crest factor is set to CF3 and the voltage measurement range is set to 100 Vrms the display range is set to 300 Vpk 3 100 Vrms with the zero input line at the center Th...

Страница 113: ...If the number of data points is 2002 or greater the instrument determines the P P compression values the maximum and minimum sampled data values in a given interval and displays vertical lines rasters...

Страница 114: ...nt and lower limit of the displayed trend When the display is held trend values behave the same as numeric values When the display is un held the trend data from when the display was held appears Time...

Страница 115: ...d motor evaluation function option Motor 1 Motor 2 Motor 3 Motor 4 Harmonic Order Order k When you select a function that has harmonic data you can set the displayed harmonic order within the followin...

Страница 116: ...is displayed as a line graph with each point separated by 10 s If you set Time div to 1 day div the trend display will be updated once every 864 s regardless of the data update interval One division...

Страница 117: ...When you set this setting to on and display the current measurements the trend waveform display will be 8 div 800 rasters The oldest 2 div 200 rasters that would be displayed at the left edge if this...

Страница 118: ...termined by the fundamental frequency is shorter than the data update interval bar graphs are not displayed Set a longer data update interval For details see Notes about the Numeric Data Display Click...

Страница 119: ...when you set the vertical scale mode to Manual and the vertical scale type to Linear You can set the point at which the Y axis coordinate is 0 to Bottom the bottom of the screen or Center the center...

Страница 120: ...3V3A PLL Src U1 fPLL1 743 00 Hz U1 U2 57 67 U1 U3 302 78 U1 I1 315 35 U2 I2 22 91 U3 I3 249 22 300 0 V 6 000 A For a 3P4W three phase four wire system U1 1 U2 1 and U3 1 are phase voltages I1 1 I2 1...

Страница 121: ...the Zoom Factor of the Vector of Fundamental Waveform I 1 I Mag You can set the zoom factor to a value between 0 100 and 100 000 If the zoom factor is too large the vector will exceed the display rang...

Страница 122: ...12 1 IM WT5000 01EN 12 Custom Display Custom Display CUSTOM The CUSTOM key on the front panel cannot be used currently Nothing will appear even if you press this key...

Страница 123: ...D A output option you can use the remote control feature to hold measured values and perform single measurements For details about the remote control feature see appendix 4 5 in the Getting Started Gu...

Страница 124: ...n method for each polarity WP Type Current mode for current integration q Mode Rated time of integrated D A output D A Output Rated Time option Integration resume action at power failure recovery Resu...

Страница 125: ...integration time 10000 hours The integrated value reaches its maximum or minimum displayable value A power failure occurs when integration is in progress Even when a power failure occurs this instrume...

Страница 126: ...ent Input Is Small If rounding to zero is on when the current input meets the following conditions relative to the measurement range integration is performed assuming the current to be zero When the C...

Страница 127: ...veform Display during Integration During integration the waveform display trigger does not function Therefore the signal level of the waveform display at the left end of the screen may not be stable D...

Страница 128: ...s Date and time Date and time Repeats when the timer expires Manual Integration Mode When you set the integration mode to normal and set the integration timer to 00000 00 00 this instrument performs i...

Страница 129: ...old Hold Timer value Continuous Integration Mode Continuous integration Continuous You can set a relative integration time Integration starts when you tap Start or press START When the specified timer...

Страница 130: ...ated value reaches its maximum or minimum displayable value Integration time Integrated value Hold Hold Start Date and time Stop Date and time Reset In real time integration mode when you set the inte...

Страница 131: ...able value Integration time Integrated value Hold Hold Timer value Timer value Timer value Start Date and time Stop Date and time Reset Integration Timer Integration Timer You can set the hour minute...

Страница 132: ...ch Set it separately for each input element All All Set it for all installed input elements at the same time Element1 to Element7 You can set the scheduled times for each element within the range give...

Страница 133: ...egration such as the integrated active power and apparent power functions return errors Integration Source Elements Element Objects This setting is valid when independent integration is enabled You ca...

Страница 134: ...to Element7 Set the integration method to one of the options below Charge Discharge Charge Discharge Measure DC watt hours for each sampled data item by polarity Sold Bought Sold Bought Measure AC wa...

Страница 135: ...ed off is stored When the power recovers the integration result up to the point when the power was turned off is displayed in the integration stopped state You can start continue integration Error Err...

Страница 136: ...You can force integration to stop The integration time and integrated value are held When you force integration to stop the STOP key blinks and the integration status shows Tapping Start or pressing...

Страница 137: ...le or pressing SINGLE to execute a single measurement The relationship between the hold function and the start and stop operations is as follows If you start integration while the display is held the...

Страница 138: ...h Linking cursor movement Linkage Turning Cursor Measurement On and Off Cursors ON Cursor measurement is performed OFF Cursor measurement is not performed Waveform Measured by Cursor 1 C1 Trace This i...

Страница 139: ...raph display The ranges within which you can set the position are the same as those for cursor 1 C1 Order Click here Cursor Path Cursor Path Because this instrument uses P P compression on sampled dat...

Страница 140: ...e horizontal axis X axis values of cursor 1 and cursor 2 x D The date and time at the position of cursor 1 The date and time of measurement are displayed in this format Year Month Day Hour Minute Seco...

Страница 141: ...selected trend You can set the cursor position relative to the left edge of the screen in points with the left edge itself being 0 points and the right edge being 2001 points You can move through the...

Страница 142: ...the screen Storage state Storage count REC Storage in progress PAUSE Storage paused READY The storage mode is real time storage mode integration synchronized storage mode or event synchronized storage...

Страница 143: ...and integration starts You can store numeric data at the storage interval until integration stops or just until the storage count is reached is reached Storage continues even when integration is rese...

Страница 144: ...vice the maximum storage count is computed with 20 of the available USB memory designated as valid for stored data WTS and HDS files If you specify the internal memory for the save destination of the...

Страница 145: ...digit Gregorian calendar value Hour Minute Second 00 00 00 to 23 59 59 Copy Current Time The scheduled storage start time is set to the current time Copy Start Time The scheduled storage start time i...

Страница 146: ...ll elements and wiring units Urms Irms FreqU FreqI P S Q Preset 2 Preset 2 The data of the following measurement functions is stored for all elements and wiring units WP WP WP q q q ITime WS WQ Elemen...

Страница 147: ...ower Frequency Integrated power efficiency Integ Efficiency User defined function user defined event User Func User Event Harmonics Harmonics Delta computation Measure Motor Auxiliary inputs Motor Aux...

Страница 148: ...o Naming Auto Naming This is the same as the auto naming feature for saving setup data Click here Save Destination Folder for Storage Caused by User Defined Events In the drive specified from file lis...

Страница 149: ...umeric data during storage by Setting a longer data update interval Reducing the number of stored data types Using a faster USB memory device When it takes a long time for data to be written to the US...

Страница 150: ...y state the REC key blinks and READY appears at the top of the screen After storage is reset a storage data file wts and header file hds are created when storage starts again When the storage is pause...

Страница 151: ...lowing occurs The PAUSE key illuminates and CMPL appears at the top of the screen Writing to the storage data file wts and header file hds finishes and the files are closed When automatic CSV conversi...

Страница 152: ...n stops before the storage count is reached illustration of operations after integration starts Time REC Blinking State READY REC REC Solid PAUSE Integration reset PAUSE Blinking END key Integration s...

Страница 153: ...ge Interval Is Not an Integer Multiple of the Data Update Interval Here we will use the case when the data update interval is 5 s and the storage interval is 7 s as an example How storage is performed...

Страница 154: ...ple for when the integration timer is set to 20 s Time s Data update Storage Time s 0 5 10 15 20 5 10 15 0 7 14 20 7 14 When the storage of numeric data at store start Store At Start is enabled storag...

Страница 155: ...les at the start of storage and closes them at the completion or end of storage but this instrument is actually always accessing the storage device During the period between when the files are created...

Страница 156: ...and delete data files Loading Numeric Data Waveform Data and Screen Images into a PC This instrument PC Online1 Offline2 ASCII format csv Binary format wts hds Save CSV Conversion USB memory Internal...

Страница 157: ...onnect the USB memory device to the USB port for peripherals type A directly not through a USB hub Use portable USB storage devices that are compatible with USB Mass Storage Class version 1 1 You cann...

Страница 158: ...I format csv All waveforms are saved The waveform data that this instrument saves is not the sampled waveform data that is acquired at this instrument s sample rate Waveform data is the 2002 points ob...

Страница 159: ...Items Selected Items You can select the types of numeric data to save Selecting Numeric Items to Save Select Saved Numeric Items If you selected Selected Items select which numeric data to save All ON...

Страница 160: ...ages You can save screen image data to files in BMP PNG and JPEG formats Format of Screen Image Data Image File Format You can select the format to save to from the options listed below The extension...

Страница 161: ...It can take anywhere from a few seconds to a few tens of seconds for this instrument to save the data depending on the number of waveforms being saved the data update interval and the speed to transf...

Страница 162: ...ment from a PC on the same network and retrieve setup data numeric data waveform display data and screen image data Click here Network Drive Net Drive You can save the setup data of this Instrument nu...

Страница 163: ...instead of by IP address Set the domain name and the DNS server address 0 0 0 0 by default For details consult your network administrator DNS Servers DNS Server1 DNS Server2 You can specify up to two...

Страница 164: ...be used to access the instrument from a PC Number of characters Up to 32 Usable characters All ASCII characters that are displayed on the keyboard Timeout Time Out If a connection cannot be establish...

Страница 165: ...yed on the keyboard Password Password Specify the password that corresponds to the login name Number of characters Up to 32 Usable characters All ASCII characters that are displayed on the keyboard FT...

Страница 166: ...You can configure the instrument so that its clock is automatically synchronized to the SNTP server clock when the instrument is turned on when it is connected to the network Time Difference from Gree...

Страница 167: ...time time synchronization the menu and message languages the LCD intensity whether the backlight is on or off environmental settings and the USB keyboard language Click here Remote Control Remote Con...

Страница 168: ...cription Model The model number Suffix The suffix code No The instrument number Version The firmware version Element Configuration The input element type Options The options Link Date The firmware dat...

Страница 169: ...fference from GMT This setting appears when the method for setting the date and time is set to SNTP Set the time difference between the region where you are using the instrument and Greenwich Mean Tim...

Страница 170: ...u can turn off the LCD and adjust its brightness Turning Off the Screen LCD Turn OFF You can turn off the LCD When the LCD is off you can turn it back on by pressing a key Automatically Turning Off th...

Страница 171: ...in ASCII format csv you can choose what type of decimal point to use and how to separate the data Period Period The decimal point is a period and the separator is a comma Comma Comma The decimal poin...

Страница 172: ...mes comments etc You can use the following keyboards that conform to USB Human Interface Devices HID Class Ver 1 1 English 104 keyboard Japanese 109 Keyboard For details on how the keys of this instru...

Страница 173: ...a PC using Ethernet IP Address IP Address Displays the TCP IP setting that you specified in the Ethernet communication settings Click here Timeout Time Out If a connection cannot be established betwe...

Страница 174: ...ces are communicating have at least two thirds of the devices on the bus turned on To connect multiple devices use a star or daisy chain configuration Loop and parallel configurations are not allowed...

Страница 175: ...hether the internal memory is operating properly If it is Pass appears If an error occurs Failed appears After the test is completed Test Completed appears Key Test Key Board Tests whether or not the...

Страница 176: ...Position 15 2 C1 Trace 15 1 C2x Position 15 2 C2x Trace 15 2 CAL 13 1 Calculation 5 9 Clear Trend Exec 11 10 Column No 10 8 Column Num 10 8 column number 10 8 column settings 10 8 Column Settings 10 8...

Страница 177: ...n Mode 14 5 integration resetting 14 14 integration starting 14 13 integration stopping 14 13 integration timer 14 8 Integration Timer 14 8 Interpolate 11 7 Interval 16 4 Items bar graph 11 12 Items n...

Страница 178: ...duled storage time 16 4 scheduled time 14 9 screen image colors 17 5 screen image data format 17 5 Selected Items 16 5 17 4 self test 19 9 Selftest 19 9 Sense Type 5 6 Sensor Ratio 3 8 separator 19 5...

Страница 179: ...ur 14 1 Vector 11 14 vector display 11 14 vector number 11 15 vector zooming 11 15 vertical axis 11 6 vertical position 11 3 Vertical Position 11 3 Vertical Scale 11 13 vertical scale type 11 13 verti...

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