YOKOGAWA WT1803 User Manual Download Page 166

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Index-4

IM WT1801-01EN

saved items ........................................................................ 16-8

save numeric ...................................................................... 18-2

save setup .......................................................................... 18-2

save wave........................................................................... 18-2

saving numeric data ........................................................... 18-2

scale mode ......................................................................... 12-2

scale value.......................................................................... 10-7

Scaling .................................................................. 4-1, 5-1, 1 1-3

scaling ................................................................................ 2-14

scaling, auxiliary input .......................................................... 5-1

scaling, motor evaluation ...................................................... 4-1

scheduled storage time ...................................................... 17-3

scheduled times......................................................... 9-10, 20-3

screen image colors ........................................................... 19-1

screen image data formats ................................................. 19-1

screen images, saving ........................................................ 19-1

selected items............................................................ 17-4, 18-3

self-test .............................................................................. 22-11

sense type ............................................................................ 4-2

sensor ratio ......................................................................... 2-13

separator ............................................................................ 22-7

sequence number ............................................................... 18-4

setup data, loading ............................................................. 18-5

setup data, saving .............................................................. 18-2

setup parameter list ............................................................ 2-22

S formula .............................................................................. 8-8

SF scaling ........................................................................... 2-15

SINGLE ................................................................................ 6-1

single-shot storage mode ................................................... 17-2

single harmonics list ............................................................. 7-2

single measurement ............................................................. 6-1

slave ................................................................................... 8-10

slip ........................................................................................ 4-8

slope ................................................................................... 10-5

slope, auxiliary input ............................................................. 5-2

slope, motor evaluation ........................................................ 4-3

SNTP .................................................................................. 21-5

source ................................................................................... 4-7

split display ......................................................................... 14-1

star-delta transformation....................................................... 2-7

Star>Delta ............................................................................ 2-7

starting harmonic order....................................................... 12-2

starting high speed data capturing ..................................... 16-9

start order ........................................................................... 12-2

stopping high speed data capturing.................................... 16-9

storage................................................................................ 17-1

storage, resetting ................................................................ 17-7

storage, starting .................................................................. 17-6

storage, stopping ................................................................ 17-7

storage conditions .............................................................. 17-1

storage control .................................................................... 17-2

storage count ...................................................................... 17-2

storage interval ................................................................... 17-3

storage mode...................................................................... 17-2

store at start........................................................................ 17-3

stored items ........................................................................ 17-4

store reset........................................................................... 17-7

store set .............................................................................. 17-1

store start............................................................................ 17-6

store stop ............................................................................ 17-7

string .................................................................................... 7-11

synchronization source, motor evaluation ............................ 4-5

synchronized measurement ............................................... 8-10

synchronous speed .............................................................. 4-7

sync measure ..................................................................... 8-10

Sync Source ......................................................................... 4-5

sync source ........................................................................ 2-18

sync speed ........................................................................... 4-7

system config...................................................................... 22-5

system overview ................................................................. 22-2

system settings ................................................................... 22-5

Page

TCP/IP ................................................................................ 21-2

test items ........................................................................... 22-11

Thd formula .......................................................................... 3-3

time/div ...................................................................... 10-2, 1 1-2

time axis .................................................................... 10-2, 1 1-2

time difference from GMT ................................................... 22-5

total efficiency ....................................................................... 4-9

trademarks................................................................................. i

trend .................................................................................... 11-1

trend display ........................................................................ 11-1

trend display scale ............................................................... 11-3

trend display windows, number of ....................................... 11-2

trend number ....................................................................... 11-3

trends, restarting.................................................................. 11-2

trigger ........................................................................ 10-5, 16-6

triggered mode ................................................................... 10-5

trigger event............................................................... 17-3, 20-3

trigger level ......................................................................... 10-5

trigger point......................................................................... 10-6

trigger settings ........................................................... 10-5, 16-6

trigger slope ........................................................................ 10-5

trigger source...................................................................... 10-5

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

Type 2 ................................................................................... 8-8

Type 3 ................................................................................... 8-9

Page

U/I/P ...................................................................................... 7-5

U/I measuring mode ........................................................... 16-5

U/I MODE ............................................................................. 7-5

U Mag ................................................................................. 13-2

unit .......................................................................... 4-2, 5-1, 8-1

unit, auxiliary input ................................................................ 5-1

unit, motor evaluation ........................................................... 4-2

unit, user-defined function .................................................... 8-1

update rate ......................................................................... 2-20

upper limit ........................................................................... 12-2

upper scale ................................................................ 11-3, 12-2

USB .................................................................................... 22-3

USB-0 ................................................................................. 18-1

USB-1 ................................................................................. 18-1

USB keyboard .................................................................... 22-7

USB keyboard language..................................................... 22-7

USB memory ...................................................................... 18-1

user-defined event name ...................................................... 8-6

user-defined event number................................................... 8-6

user-defined events .............................................................. 8-6

user-defined functions .......................................................... 8-1

user defined event ................................................................ 8-6

user defined function ............................................................ 8-1

utility .......................................................................... 18-6, 22-1

Page

valid measurement range ................................................... 2-16

var hours............................................................................... 9-1

vector .................................................................................. 13-1

vector display...................................................................... 13-1

vector display windows, number of..................................... 13-2

vector number..................................................................... 13-2

Index

Summary of Contents for WT1803

Page 1: ...IM WT1801 01EN 3rd Edition Precision Power Analyzer WT1800 Features Guide...

Page 2: ...se them Notes The contents of this manual are subject to change without prior notice as a result of continuing improvements to the instrument s performance and functionality The figures given in this...

Page 3: ...Elements ALL 2 9 Voltage Range RANGE UP DOWN V 2 9 Auto Voltage Range AUTO V 2 10 Current Range RANGE UP DOWN A 2 11 Auto Current Range AUTO A 2 11 Power Range 2 12 External Current Sensor Range EXT S...

Page 4: ...Auxiliary Input Conditions MOTOR AUX SET 5 1 Input Signal Name Aux Name 5 1 Scaling Factor Scaling 5 1 Unit Unit 5 1 Analog Input Range 5 1 Linear Scaling of Analog Input 5 2 Line Filter Line Filter 5...

Page 5: ...ing and Resetting Integration Start Stop Reset 9 5 Integration Conditions Integ Set 9 7 Integration Mode Mode 9 7 Integration Timer Integ Timer 9 10 Scheduled Times for Real Time Integration Real time...

Page 6: ...ng Cursor Movement Linkage 15 2 Measured Items 15 2 Cursor Movement 15 4 16 High Speed Data Capturing High Speed Data Capturing OTHERS High Speed Data Capturing 16 1 High Speed Data Capturing HS Setti...

Page 7: ...nt ON 20 2 Automatic Printing Auto Print Settings 20 2 Comment Comment 20 3 Paper Feed Paper Feed 20 3 Print Timing for Different Print Modes 20 4 Printing PRINT 20 6 21 Ethernet Communication Network...

Page 8: ...voltage average Yes Yes Urmn Rectified mean voltage Yes Yes Uac AC voltage component Yes Yes U pk Maximum voltage Yes No U pk Minimum voltage Yes No CfU Voltage crest factor Yes No Current Function D...

Page 9: ...P values Yes Yes q Sum of positive and negative ampere hours Yes Yes q Sum of positive I values Yes Yes q Sum of negative I values Yes Yes WS Volt ampere hours Yes Yes WQ Var hours Yes Yes Efficiency...

Page 10: ...es 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...

Page 11: ...f 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 th...

Page 12: ...ion Speed Motor rotating speed Torque Motor torque SyncSp Synchronous speed Slip Slip Pm Mechanical output of the motor mechanical power EaU1 to 6 Electrical angle Phase angles of U1 to I6 with the fa...

Page 13: ...the power of various single phase and three phase power transmission systems single phase two wire single phase three wire three phase three wire three phase four wire and three phase three wire with...

Page 14: ...e multiple wiring units element numbers are assigned to them in ascending order The element numbers are assigned to A B and then C Wiring units are composed of input elements that are next to each oth...

Page 15: ...he actual wiring of the circuit under measurement The method in which the functions wiring unit measurement functions are determined varies depending on the wiring system If the selected wiring system...

Page 16: ...ff settings are changed to match the setting of the input element whose measurement range is highest If multiple input elements are set to a common highest measurement range the setting of the input e...

Page 17: ...iciency 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 Output pow...

Page 18: ...option Settings That Can Be Configured Independently Even When Independent Input Element Configuration Is Turned Off External current sensor conversion ratio option Scaling values VT ratio CT ratio a...

Page 19: ...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...

Page 20: ...a 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 a del...

Page 21: ...utions of the sampled data to be different This results in errors The numbers 1 2 and 3 that are attached to delta computation measurement function symbols have no relation to the element numbers The...

Page 22: ...lect from 1 5 V 3 V 6 V 10 V 15 V 30 V 60 V 100 V 150 V 300 V 600 V and 1000 V When the Crest Factor Is Set to CF6 You can select from 0 75 V 1 5 V 3 V 5 V 7 5 V 15 V 30 V 50 V 75 V 150 V 300 V and 50...

Page 23: ...d 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 all the follo...

Page 24: ...5 mA 50 mA 100 mA 250 mA 500 mA 1 A and 2 5 A For 50 A Input Elements When the Crest Factor Is Set to CF3 You can select from 1 A 2 A 5 A 10 A 20 A and 50 A When the Crest Factor Is Set to CF6 You can...

Page 25: ...IM WT1801 03EN In auto range mode because the voltage and current ranges switch independently according to range increase and decrease conditions different power ranges may be set for the same power v...

Page 26: ...nt Sensor Conversion Ratio Exec Copy Copy the external current sensor conversion ratio of the selected input element to the other input elements in the same wiring unit External Current Sensor Range a...

Page 27: ...he SCALING key and the Scaling indicator at the top of the screen illuminate Applicable Measurement Functions Voltage U current I power P S and Q maximum and minimum voltages U pk and U pk and maximum...

Page 28: ...following range 0 0001 to 99999 9999 Copying the Power Coefficient Exec Copy Copy the power coefficient of the selected input element to the other input elements in the same wiring unit If the value o...

Page 29: ...rs when this feature is disabled the WT1800 increases the measurement range switching between valid measurement ranges measurement ranges whose check boxes have been selected You can specify valid cur...

Page 30: ...er measurement range For example even if CF is set to 3 measurement is possible for signals with a crest factor greater than or equal to 5 when the measured value rms value is less than 60 of the meas...

Page 31: ...update interval For details see appendix 5 in the getting started guide IM WT1801 03EN Measurement Period for Measurement Functions Used in Harmonic Measurement The measurement period extends from the...

Page 32: ...ndicator at the top of the screen illuminate Selecting OFF disables the line filter Copying the Line Filter Setting Exec Copy Copy the line filter on off setting and cutoff frequency of the selected i...

Page 33: ...here The display update intervals of numeric data and waveform data may be longer than the data update interval The lowest measurable AC signal frequency varies depending on the data update interval T...

Page 34: ...g type is Lin moving average set the average count to a value within the following range 8 to 64 Measurement Functions That Are Averaged The measurement functions that are directly averaged are indica...

Page 35: ...esponsive measured values Displaying the Setup Parameter List INPUT INFO The setup parameter list appears in the top half of the screen Display Format FORM Input Element Settings List Power Element Se...

Page 36: ...tems appear Input element group Element Settings PLL source of group Hrm1 Hrm1 PLL Source Measured harmonic orders of group Hrm1 Min Order Max Order Distortion factor equation of group Hrm1 Thd Formul...

Page 37: ...asured values are displayed four data updates after the change Correct measured values may not be obtained immediately after the PLL source or its frequency changes because the PLL circuit inside the...

Page 38: ...different frequencies You can measure the input and output harmonics of an AC AC converter whose input and output frequencies are different This setting does not appear on models with the harmonic mea...

Page 39: ...irrelevant to the harmonic measurement For example when an input signal with a fundamental frequency of 50 Hz is measured up to the 50th order the frequency of the 50th order is 2 5 kHz Thus a 5 kHz a...

Page 40: ...That This Instrument Can Measure Click here Models with the Auxiliary Input Option The Aux Settings dialog box appears Click here Motor Evaluation Settings You can configure the following motor evalua...

Page 41: ...t the unit of Pm is W 2 60 Motor output Pm Speed Torque S Speed The rotating speed determined from the number of pulses per revolution Torque The torque determined from the torque signal pulse rating...

Page 42: ...torque signal falls below 30 of the measurement range and the peak value of the input signal is less than 125 of the lower range When non periodic pulse waveforms are applied during auto range the ra...

Page 43: ...ll be offset Reset the NULL value Computing the Input Signal Slope and Offset by Specifying Two Points Calculation On the input characteristic graphs of the rotating speed and torque you can specify t...

Page 44: ...e for motor efficiency measurement to the same sync source that is set in the fundamental measurement conditions This ensures that the measurement period is in sync with the measurement functions such...

Page 45: ...w configure the pulse input range and pulse rating settings as indicated below Upper limit of the pulse input range Pulse Range Upper 20 0000 Lower limit of the pulse input range Pulse Range Lower 20...

Page 46: ...g Synchronous Speed Sync Speed Motor Poles Pole Set the number of motor poles to a value from 1 to 99 This number is used to compute the sync speed Frequency Measurement Source Source Select the frequ...

Page 47: ...sure electrical angles Electrical Angle Correction Electrical Angle Correction Set the electrical angle correction value Correction Value Correction Value Set the correction value to a number from 180...

Page 48: ...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...

Page 49: ...he input signal name Aux Name setting Click here Analog Input Range Set the auxiliary input analog input range Turning Auto Range On and Off Analog Auto Range Select whether to turn auto range on or o...

Page 50: ...er 1 V When There Is Offset in the Auxiliary Input Voltage If you set S to 1 the scaling factor does not affect the computation and the previous equation becomes Auxiliary input measured value AX B NU...

Page 51: ...requency noise by inserting a line filter into the circuit used to measure the Aux1 and Aux2 auxiliary inputs You can select the cutoff frequency from the following options OFF 100 Hz and 1 kHz Select...

Page 52: ...ng integration see the sections on holding and releasing integration Click here Single Measurement SINGLE While the display is held the signal is measured once at the data update interval and then the...

Page 53: ...You can select the number of numeric data items that are displayed simultaneously from the choices below or choose to display a list of items 4 Value Display 4 Items Four numeric data values are disp...

Page 54: ...P Uhdf Ihdf or Phdf is displayed Harmonic order data display area Dual Harmonics List Display Hrm List Dual option When the display mode is Numeric the numeric values of two measurement functions are...

Page 55: ...PAGE The previous page is displayed In the 4 8 and 16 Value Displays You can switch between and display pages 1 to 12 In the Matrix Display You can switch between and display pages 1 to 9 In the All I...

Page 56: ...em ITEM The display item options vary depending on the current display Numeric data display format 4 8 and 16 value displays 4 Items 8 Items 16Items Matrix display Matrix All Items display All Items S...

Page 57: ...ave wide see section 6 6 in the getting started guide IM WT1801 03EN and the data measurement interval will be 100 ms In this case the time required for harmonic measurement is approximately 150 ms or...

Page 58: ...be specified vary depending on the measurement function For details see Harmonic Measurement Function Orders Click here The numeric data corresponding to harmonic orders above the maximum measurable...

Page 59: ...mn Settings Number of Columns Column Num You can set the number of columns to 4 or 6 Column Number Column No Select the number of the column that you want to configure Element Element You can select t...

Page 60: ...ting the order in the 4 8 and 16 value displays Click here Turning the Display of the Numeric Data for All Elements and Wiring Units On and Off Display All Elements OFF The numeric data is displayed i...

Page 61: ...in the harmonic order data display area This is the same as direct function selection in the 4 8 and 16 value displays However when you are displaying the single harmonics or dual harmonics list you...

Page 62: ...e After you properly load a display configuration file and a background file if you restart the WT1800 and the same background file is not in the same location the background will return to its defaul...

Page 63: ...pears when you set Function to None Enter the character string to display in the numeric data box You can enter a string of up to 15 characters in length If you do not set Function to None instead of...

Page 64: ...rations Utility Click here Automatic File Naming Auto Naming This is the same as the auto naming feature for saving and loading data Click here File Name File Name This is the same as file name settin...

Page 65: ...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 you can create equations co...

Page 66: ...HI U pk UPPK I pk IPPK Pc PC U pk UMPK I pk IMPK P pk PPPK CfU CFU CfI CFI P pk PMPK fU FU fI FI Integrated power Wp WH q AH Time TI Wp WHP q AHP WS SH Wp WHM q AHM WQ QH Efficiency 1 ETA1 to 4 ETA4 U...

Page 67: ...UX1 Aux2 AUX2 Setting Operand Parameters The parameters that you need to enter depend on whether the function is followed by or Setting Parameters for Functions Followed by Specify the element to the...

Page 68: ...ed by F1 and set F5 as F4 divided by F1 However if you enter a user defined equation with a number that is greater than or equal to its own number correct results will not be obtained For example if y...

Page 69: ...whose maximum values will be held using a user defined function The different types of operands are listed below measurement function operand Urms URMSMAX Irms IRMSMAX P PMAX Umn UMEANMAX Imn IMEANMA...

Page 70: ...for specifying judgment conditions from the following options Range Range Specify judgment conditions using ranges of measurement function values or differences from a reference value Condition Condit...

Page 71: ...elow 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 defined events as condit...

Page 72: ...ned for the computation Because the equations for deriving the apparent and reactive power for distorted waveforms are not defined none of the equations can be said to be more correct than the other T...

Page 73: ...6 IEC76 1 1993 Equations for each applicable standard P P1 P2 Urms Umn 2 Pc P Umn Urms Umn 1 Pc IEC76 1 1976 IEC76 1 1993 Pc Corrected power P Active power Urms True rms voltage Umn Voltage s rectifie...

Page 74: ...ower factor is greater than 1 and less than or equal to 2 returns 0 If is greater than 2 returns an error Error is displayed On models with the harmonic measurement option the phase differences U and...

Page 75: ...measured so there is no need to set which frequencies to measure Thus even if you press SHIFT MEASURE FREQ MEASURE the Freq Items menu will not appear If frequency measurements are unstable because o...

Page 76: ...ation In real time normal integration mode and real time continuous integration mode once the scheduled integration stop time is reached Stop appears in orange Even if you press Start integration is n...

Page 77: ...gration is stopped and the integration time and integrated value are held The integration time reaches the maximum integration time 10000 hours The integrated value of WP q WS or WQ reaches the maximu...

Page 78: ...t stop and reset integration For details about the remote control feature see appendix 4 6 in the getting started guide IM WT1801 03EN Backup When a Power Failure Occurs If a power failure occurs when...

Page 79: ...ith wiring unit integration such as the integrated active power and apparent power functions return errors Independently Integrated Elements Element Object This setting is valid when independent integ...

Page 80: ...ment range switches to a fixed range Stopping Integration Stop You can force integration to stop The integration time and integrated value are held When you force integration to stop the STOP indicato...

Page 81: ...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 display and co...

Page 82: ...tion Key operation Repeats when the timer expires Real time normal integration mode R Normal Date and time Date and time Real time continuous integration mode R Continuous Date and time Date and time...

Page 83: ...ime Integrated value Continuous Integration Mode Continuous integration Continuous You can set a relative integration time Integration starts when you press Start When the specified timer time elapses...

Page 84: ...conditions below is met integration is stopped and the integration time and integrated value are held The scheduled stop time is reached The integration time reaches the maximum integration time 1000...

Page 85: ...The scheduled integration start time is set to the current time Copy The scheduled integration start time is copied to the scheduled integration stop time When Independent Integration Is Disabled The...

Page 86: ...me Element1 to Element6 Set the integration method to one of the options below Charge Discharge Measure DC watt hours for each sampled data item by polarity Sold Bought Measure AC watt hours for each...

Page 87: ...ip between the measured integrated D A output value and the voltage see Relationship between Output Items and the D A Output Voltage Click here Setting the Rated Time for Integrated D A Output You can...

Page 88: ...rement mode display is set to Normal Mode Trg measurement takes place from when a trigger is detected over the data update interval The following amount of time is required for the WT1800 to compute t...

Page 89: ...ges as described below Single 672 points Dual 336 points Triad 224 points Quad 168 points Hexa 112 points When the screen is split the number of displayed points along the vertical axis of a single wi...

Page 90: ...the number of waveform display data points the number of points displayed on the screen for a single input signal is 1602 p p Compression p p compression is the compression method used to derive wavef...

Page 91: ...asurement 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...

Page 92: ...source For the EXT CLK connector specifications see section 4 3 in the getting started guide IM WT1801 03EN When Ext Clk is set as the trigger source the trigger level setting is invalid Trigger Slope...

Page 93: ...er point in the figure below is just for illustration The arrow does not appear on the actual display Trigger point Time To prevent noise related errors the trigger feature has a hysteresis of approxi...

Page 94: ...rtically aligned dots are filled If the number of data points is 1602 or greater the WT1800 determines the P P compression values the maximum and minimum sampled data values in a given interval and di...

Page 95: ...he top of the screen and the window number increases for each successively lower window 1 Speed and torque waveforms are available on models with the motor evaluation option 2 Aux1 and Aux2 waveforms...

Page 96: ...pper and lower display limits of the screen do not correspond to three or six times the measurement range or to 100 when the crest factor is set to CF3 or CF6 respectively You must take the zoom facto...

Page 97: ...eform display are shown Trend Display Trend You can display the trends of measurement functions Trend Display Example Time at the right edge of the screen amount of time contained in the screen Time a...

Page 98: ...trend data 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 1080 s regardless of the data update interval On...

Page 99: ...displayed harmonic order within the following range Total Total value or 0 DC to 500 The orders that can be specified vary depending on the measurement function For details see Harmonic Measurement F...

Page 100: ...are used Log Scale if a value is negative its absolute value is displayed with a red bar graph If the analysis window width number of cycles of the fundamental signal that is determined by the fundame...

Page 101: ...e options vary depending on the installed elements Element1 Element2 Element3 Element4 Element5 and Element6 Bar Graph Display Scale Setting the Vertical Scale Mode Scale Mode You can set the upper an...

Page 102: ...42kW S2 1 0 6016kVA Q2 1 0 2342kvar 2 1 0 9211 U3 1 101 40 V I3 1 3 4990 A P3 1 0 2128kW S3 1 0 5997kVA Q3 1 0 5067kvar 3 1 0 3549 Wiring A 3P3W 3V3A PLL Src U1 fPLL1 743 00 Hz U1 U2 57 67 U1 U3 302 7...

Page 103: ...elect the element or wiring unit to display from the options below The available options vary depending on the installed elements Element1 Element2 Element3 Element4 Element5 Element6 A B and C Settin...

Page 104: ...ric Numeric data Trend Trend Bar Bar graph Vector Vector This item is available on models with the harmonic measurement option or the simultaneous dual harmonic measurement option Split Displays with...

Page 105: ...ment is not performed Waveform Measured by Cursor 1 C1 Trace This item only appears in the waveform and trend displays It does not appear in the bar graph display In the Waveform Display You can selec...

Page 106: ...e of the screen to 800 the right edge of the screen Trend display 0 the left edge of the screen to 1601 the right edge of the screen Bar graph display 0 DC to 500 the 500th order Position of Cursor 2...

Page 107: ...The date and time of measurement are displayed in this format Year Month Day Hour Minute Second If immeasurable data exists is displayed in the measured value display area Y can be measured even when...

Page 108: ...ected 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 1601 points You can move through the dis...

Page 109: ...U current I and power P values for each element and the measured Umean Imean Ur mean and Ir mean values for each wiring unit by setting a low cutoff frequency for the HS filter However if you set a l...

Page 110: ...ta capturing continue without stopping Initializing High Speed Data Capturing High speed data capturing is initialized when You switch from normal measurement to high speed data capturing You change o...

Page 111: ...r range is displayed for P OL for over range is displayed for U if even one of the measured voltage values for an input element in a single wiring unit is over range The same is true for I and P U and...

Page 112: ...d data capturing Start Stop Number of Data Captures Capture Count The number of captures can be set to infinity or to a value from 1 to 10000000 Viewing and Optimizing the Maximum Capturing Count Opti...

Page 113: ...ent measurement mode rms mean dc r mean If the voltage and current measurement mode settings differ for elements assigned to the same wiring unit the voltage U and current I of the wiring unit are not...

Page 114: ...evel setting Click here External Sync External Sync You can synchronize the WT1800 with another device during measurement by applying an external sync signal to the external start signal I O MEAS STAR...

Page 115: ...state to change to Error When you perform consecutive operations in the setup menu When the WT1800 receives consecutive communication commands When you operate the WT1800 over FTP When you save to a...

Page 116: ...file is created in the root folder of the USB memory device whose ID number is 0 USB 0 An error message appears when USB memory is not connected When the storage destination is a USB memory device US...

Page 117: ...le name appear in the upper left of the screen While File State Rec is displayed the storage medium is constantly being accessed even though the icon that indicates this is not displayed so do not rem...

Page 118: ...tialization High speed data capturing state HS State Ready Start Ready Stop key or capture count Completion of file recording File recording state File State Ready Rec Trigger Ready Data capturing Tri...

Page 119: ...ON or hide OFF peak over range occurrence information Peak Over Range Occurrence Information Peak Over Status If a peak over range occurs in an input signal even once from the time when high speed da...

Page 120: ...count Start Storage has been started Stop Storage has been stopped Ready The storage mode is real time storage mode integration synchronized storage mode or event synchronized storage mode and the WT1...

Page 121: ...ed in integration synchronized storage mode Event Event synchronized storage mode Storage starts after you press STORE START the measured data is updated and a user defined event occurs You can store...

Page 122: ...ge Mode Real Time Control These settings are only valid when the storage mode is set to Real Time You can set the year month day hour minute and second of the storage start and stop times Be sure to s...

Page 123: ...ge the numeric data display format or the displayed items the data is stored according to the numeric data that was displayed at store start Selected Items Selected Items You can select the types of n...

Page 124: ...er to automatically create an ASCII format stored data file csv from the stored data file wts and the header file hds that are saved when storage finishes or is reset When the storage destination is t...

Page 125: ...Be sure to remove the USB memory after storage has been reset or has completed Cmpl When you turn off the WT1800 power the contents of the internal RAM disk are lost Save the contents of the RAM disk...

Page 126: ...age state changes to Stop If integration can be restarted without being reset the storage state changes to Ready Event synchronized storage mode Event Storage continues until the storage count is reac...

Page 127: ...STORE RESET key When integration stops before the storage count is reached illustration of operations after integration starts Time STORE START blinking State Ready Start STORE START on Stop Integrat...

Page 128: ...ORE STOP blinking STORE START key STORE STOP key Storage Operation When the Storage Interval Is Not an Integer Multiple of the Data Update Interval Here we will use the case when the data update inter...

Page 129: ...ge interval is 00 00 00 or when Storage Mode is set to Event The storage operation stops but integration does not When the storage mode is set to Single Shot The held display values are stored Even du...

Page 130: ...G format jpg Binary format wts hds PC Microsoft Excel WTViewer Online1 Offline2 Online1 Offline2 ASCII format csv Numeric data Numeric data Waveform display data Waveform display data Screen image dat...

Page 131: ...bout the file save conditions see File Save Conditions Click here Saving Waveform Display Data Save Wave You can save the waveform data that the WT1800 has measured to a file in ASCII format csv The w...

Page 132: ...the 16 value display would appear when you pressed NUMERIC then the data for the measurement functions on the page of the 16 value display that would appear is saved Selected Items Selected Items You...

Page 133: ...ncremented sequence number 000 to 999 as its name and the data continues to be saved in the new folder File Name File Name You can set the common file name that is used when the auto naming feature is...

Page 134: ...ng or saving is cancelled measurement resumes To save data when the data update interval is 20 s enable the hold feature perform a single shot measurement and then save the data after the data update...

Page 135: ...cting the Type of File to List File Filter You can limit the type of files that appear in the list by selecting an extension Changing the Storage Medium Change Drive You can select the storage medium...

Page 136: ...l Files ALL Reset All of the selected files and folders are deselected Jumping to a Specified File or Folder Jump To You can make the cursor jump to a file or folder at a specified numeric position in...

Page 137: ...mode PNG The extension is PNG The file size is approximately 25 KB for black and white mode and approximately 100 KB for color mode JPEG The extension is JPG The file size is approximately 200 KB for...

Page 138: ...ts are printed in the order that they are displayed When numeric values are displayed in the single or dual harmonics list In addition to the data described above the data of harmonics that are not di...

Page 139: ...tarts and stops in synch with the scheduled printing start and stop times Data is printed at each print interval Integ Sync Integration Synchronization Print Mode Printing starts and stops in synch wi...

Page 140: ...y The scheduled printing start time is copied into the scheduled printing stop time You can set the day for the scheduled start or stop time in February to a value as high as the 31st day If you do so...

Page 141: ...Tp Real Time Print Mode When the scheduled start time is before Auto Print ON Time Start time Auto Print ON PRINT key on Auto Print OFF or the ending time Printing PRINT key off Tp Print interval Data...

Page 142: ...NT key off Tp Print interval Data is printed if Print at Start is set to ON Tp Tp Integration Timer and Print Interval in Continuous Integration Mode and Real Time Continuous Integration Mode Printing...

Page 143: ...nt is longer than the data update interval Time Event occurrence Auto Print ON PRINT key on Printing PRINT key off T Event occurrence F No event occurrence Td Data update interval Tpe Time it takes to...

Page 144: ...T1800 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 WT1800 s setup data numeric dat...

Page 145: ...t by name 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...

Page 146: ...o access the WT1800 from a PC Number of characters Up to 32 Usable characters All ASCII characters that are displayed on the keyboard Timeout Time Out If an FTP connection cannot be established betwee...

Page 147: ...ed 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 Pas...

Page 148: ...ronized to the SNTP server clock Automatic Adjustment Adjust at Power ON You can configure the WT1800 so that its clock is automatically synchronized to the SNTP server clock when the WT1800 is turned...

Page 149: ...ing a PC to the WT1800 to control it Click here System Configuration System Config You can set the date and time time synchronization the menu and message languages the LCD intensity whether the backl...

Page 150: ...d Version Suffix Code New Features 2 01 or later HS High Speed Data Capturing features Chinese and German have been added to the menu language and message language Initializing the Settings Initialize...

Page 151: ...1800 or with other devices through GP IB do not change the address Notes about Connections Several cables can be used to connect multiple devices However no more than 15 devices including the controll...

Page 152: ...e timeout time to infinity or a value between 1 and 3600 You must set TCP IP parameters to connect the WT1800 to an Ethernet network Click here Notes about Connections To connect the WT1800 to a PC be...

Page 153: ...enwich Mean Time Time Difference 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 WT1800 an...

Page 154: ...e menu language will also be set to Chinese Adjusting the LCD LCD You can turn off the LCD and adjust its brightness Turning Off the LCD LCD Turn OFF You can turn off the LCD When the LCD is off you c...

Page 155: ...esolution You can choose to display four digits or five digits of the numeric data The number of displayed digits for integration measurement functions is fixed at six Frequency Display When the Frequ...

Page 156: ...r Order option When you select a function that has harmonic data you can set the displayed harmonic order within the following range Total Total value or 0 DC to 500 The orders that can be specified v...

Page 157: ...e scaled measured value is the same as the scaled rated value measurement range scaling factor For functions the WT1800 produces 100 output 5 V when the measured value is equivalent to the value that...

Page 158: ...per 1 V of input voltage the output is 5 V when the torque is 10 N m The output for an analog rotating speed signal is 5 V when the rotating speed reaches the value of the input range the revolution...

Page 159: ...is displayed the key is operating properly If the indicators on the front panel turn on and off in order when you press the left and right cursor keys they are operating properly To exit the key test...

Page 160: ...sation There is a feature that automatically performs zero level compensation during integration integration auto calibration Click here NULL Feature NULL SET You can use the NULL feature to subtract...

Page 161: ...ved NULL value discussed above is used to correct the measurement function values OFF Even if you press NULL the NULL feature is not enabled Measurement function values are produced with no NULL corre...

Page 162: ...enabled or disabled 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 N...

Page 163: ...2 2 bar graph display windows number of 12 1 bar graph number 12 2 C Page C1 Position 15 2 C1 Trace 15 1 C2x Position 15 2 C2x Trace 15 1 CAL 23 1 calculation 4 4 5 2 capture control settings 16 5 cap...

Page 164: ...color 7 11 font size 7 11 FORM high speed data capturing 16 4 FORM numeric data 7 1 FORM trend 11 2 FORM bar graph 12 1 FORM waveform 10 2 FORM vector 13 2 format 10 2 12 1 FREQ FILTER 2 19 FREQ MEASU...

Page 165: ...e offset value auxiliary input 5 2 offset value motor evaluation 4 3 optimization 16 4 17 2 optimize count 16 4 17 2 order 1 4 other displays 11 1 OTHERS 11 1 overview 22 2 P Page p p compression 10 3...

Page 166: ...7 7 store set 17 1 store start 17 6 store stop 17 7 string 7 11 synchronization source motor evaluation 4 5 synchronized measurement 8 10 synchronous speed 4 7 sync measure 8 10 Sync Source 4 5 sync s...

Page 167: ...ethod for each polarity 9 11 watt hours 9 1 waveform display 10 1 waveform display data saving 18 2 waveform display windows number of 10 2 waveform labels 10 7 waveform mapping 10 8 waveforms methods...

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YOKOGAWA WT1803, User Manual

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