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IM 701450-61E

MEASure Group

The commands in this group deal with executing automated measurement and statistical processing on power

analysis parameters.

:MEASure

CHANnel

<x>

COUNt

SDEViation

MAXimum

MEAN

MINimum

STAT e

<Space>

OFF

<NRf>

VALue

AHN

AHP

I2T

IAC

IDC

IMN

INPeak

IPPeak

IPTopeak

IRMN

IRMS

LAMBda

UA C

UDC

UMN

UNPeak

UPPeak

UPTopeak

URMN

URMS

WHN

WHP

;

12 Communication Commands

Summary of Contents for DL7440

Page 1: ...User s Manual Yokogawa Electric Corporation DL7440 DL7480 Digital Oscilloscope Power Supply Analysis Function G4 Option User s Manual IM 701450 61E 2nd Edition...

Page 2: ...f the DL7400 Digital Oscilloscope that supports the Power Supply Analysis Function G4 Option is 1 20 or later For instructions on checking the firmware version see section 16 4 in the DL7440 DL7480 Us...

Page 3: ...steps Explanation This subsection describes the setup parameters and the limitations on the procedures Notations Used in the Procedures Panel Keys and Soft keys Bold characters used in the procedural...

Page 4: ...l Processing on the Measured Values of Power Analysis Parameters 17 7 Performing Waveform Computation on Power Analysis Parameters 18 8 Displaying the Trend of the Measured Values of Waveform Paramete...

Page 5: ...tude UP P maximum value U pk minimum value U pk DC component Udc rms value Urms AC component Uac rectified mean value calibrated to the rms value Umn and rectified mean value Urmn Current Amplitude IP...

Page 6: ...of 600 W or less Class D Class C Portable tools Lighting equipment Balanced three phase equipment Household appliances excluding equipment identified as Class D Tools excluding portable tools portabl...

Page 7: ...g of voltage probes see the manual that came with the product For instructions on the phase correction of probes see section 3 5 in the DL7440 DL7480 User s Manual Degaussing Current Probes and Perfor...

Page 8: ...box opens Turning ON the Power Analysis Function 3 Use jog shuttle SELECT to select ON or OFF for each power analysis channel pair PWR1 Analyze PWR2 Analyze and PWR3 Analyze PWR3 Analyze is available...

Page 9: ...rs using the power analysis function G4 option you must turn ON the power analysis function select the voltage probe attenuation and select the current to voltage conversion ratio of current probes In...

Page 10: ...the DL7400 and select a current to voltage conversion ratio of 10A 1V the DL7400 displays the current value measured on the current probe as 10 A when the output voltage from the current probe is 1 V...

Page 11: ...L7400 as shown below For a description on the pair of channels for applying the voltage and current signals when measuring power analysis parameters see page 6 in this manual 3 Set the attenuation for...

Page 12: ...the Auto Deskew Execute soft key Deskew is automatically executed Executing Manual Deskew You can also manually execute deskew You can use manual skew to correct the difference further after executing...

Page 13: ...el Target CH to match the signal of the channel set to be the trigger source of edge trigger along the time axis It is a function used to correct the difference in the transfer time Execute auto deske...

Page 14: ...y selecting To Measure in the Power Analyze Setup dialog box described in section 3 of this manual and pressing SELECT 2 Press the Mode soft key The Mode menu appears 3 Press the ON soft key Selecting...

Page 15: ...the procedure is the same as steps 9 to 32 in section 10 6 pages 10 47 to 10 49 in the DL7440 DL7480 User s Manual IM701450 01E Performing Automated Measurement of Power Analysis Parameters on Dual A...

Page 16: ...ac Umn Urmn S P Q Z Wp Wp and Wp Standard measurement parameters For details on how to determine each parameter section 10 6 in the DL7440 DL7480 User s Manual OShot OShot Freq Period Rise Fall Width...

Page 17: ...Iac I pk IP P DC component Idc True rms value Irms AC component Iac Rectified mean value calibrated to the rms value Imn Rectified mean value Irmn Amplitude IP P Maximum value I pk Minimum value I pk...

Page 18: ...ure in the Power Analyze Setup dialog box described in section 3 of this manual and pressing SELECT The rest of the procedure is the same as steps 2 to 15 in section 10 7 pages 10 54 to 10 58 in the D...

Page 19: ...lay Math1 Display or Math2 Display and the procedure for setting computed waveform labels Math1 Label or Math2 Label see section 9 1 in the DL7440 DL7480 User s Manual To make correct measurements and...

Page 20: ...Set the computation start point When the operator is Power and the computed waveform is CH5 or CH6 the maximum record length that can be computed is from the computation start point to 2 MW 6 Press E...

Page 21: ...the Computed Waveform of Power Spectrum When PS Was Selected in Step 4 on Page 18 5 Use jog shuttle SELECT to set the computation source waveform scaling unit computation start point and time window o...

Page 22: ...cable class A or B The harmonic measurement data and the standard limits for each order are listed When the Applicable Class of the Equipment under Test Is C Select Harmonics Select the waveform on wh...

Page 23: ...graph Waveform to be computed Limit displayed in white on the screen Computed value of harmonics List Display Example The harmonic measurement data and the standard limits for each order up to the 40t...

Page 24: ...Be Computed The waveforms on which computation can be performed source are as follows Computation Name Operator Source Source1 Source2 Math1 Power CH1 CH2 CH5 CH6 Z CH1 CH2 CH5 CH6 I2 t CH2 CH6 PS CH...

Page 25: ...Normal For a description of the trigger mode see section 6 1 in the DL7440 DL7480 User s Manual Time window Rect Rectangular Number of waveforms and number of waveform data points To perform computat...

Page 26: ...s D the harmonic current per watt power ratio limit is also evaluated Displaying the computed results Bar graph display The harmonic measurement data and the standard limits for each order up to the 4...

Page 27: ...the measurement of waveform parameters per cycle stop waveform acquisition Turn ON the computed waveform display For the setup procedure see section 9 1 in the DL7440 DL7480 User s Manual Note The se...

Page 28: ...rement is displayed in yellow on a black background If the characters are in yellow but the background is not black it is only selected as a measurement parameter The parameter does not have measured...

Page 29: ...ine each parameter section 10 6 in the DL7440 DL7480 User s Manual OShot OShot Freq Period Rise Fall Width Width Duty Burst1 Burst2 Pulse High Low AvgFreq AvgPeriod Int1TY and Int2TY CH7 CH8 Math1 and...

Page 30: ...0 User s Manual IM701450 01E Selecting the Search Target Waveform and Search Measurement Parameter 8 Press the Item Setup soft key The Item Setup menu and Item Setup dialog box appear 9 Press one of t...

Page 31: ...ecified on the searched waveform CH7 CH8 Math1 Math2 and CH1 to CH6 when power analysis is not specified on the searched waveform CH5 to CH8 can be used only on the DL7480 For CH5 to CH8 measurement p...

Page 32: ...ls on how to determine each parameter section 10 6 in the DL7440 DL7480 User s Manual OShot OShot Freq Period Rise Fall Width Width Duty Burst1 Burst2 Pulse Delay delay between waveforms High Low AvgF...

Page 33: ...on 4 in this manual 1 Press GO NOGO The GO NO GO menu appears The rest of the procedure is the same as steps 2 to 13 in section 10 10 pages 10 72 to 10 74 in the DL7440 DL7480 User s Manual IM701450 0...

Page 34: ...ECT and RESET keys For details on the operation using the jog shuttle SELECT and RESET see sections 4 1 or 4 2 in the DL7440 DL7480 User s Manual For a description of the operation using a USB keyboar...

Page 35: ...n Math1 is Class A and Math2 is not harmonic computation 3129 bytes minimum The data size vary between 3192 and 9157 bytes depending on the settings Extension The extension is CSV Note This function c...

Page 36: ...the power factor for Class C or queries the current setting 42 MATH x HARMonics LIST Queries the computed values of harmonics and limits defined by the standard for 42 each order MATH x HARMonics MAX...

Page 37: ...ower analysis 47 PANalyze MATH x MODE Enables Disables the computed waveform MATH x of power analysis or queries 47 the current setting PANalyze PWR x Queries all settings related to the power analysi...

Page 38: ...Cute ABORt FILE SAVE HARMonics ABORt Function Aborts the saving of the computed results of harmonics Syntax FILE SAVE HARMonics ABORt Example FILE SAVE HARMONICS ABORT FILE SAVE HARMonics EXECute Func...

Page 39: ...d the upper and lower limits or queries the current setting Syntax GONogo PARameter ITEM x TYPE Parameter Voltage DONTcare Current DONTcare Current DONTcare Current DONTcare NRf DONTcare NRf DONTcare...

Page 40: ...ower limits or queries the current setting Syntax HISTory PARameter ITEM x TYPE Parameter Voltage DONTcare Voltage DONTcare Current DONTcare Current DONTcare NRf DONTcare NRf DONTcare HISTory PARamete...

Page 41: ...s Space A B C D LAMBda Space NRf LIST Space NRf MAXCurrent Space OPOWer Space OFF ON NRf POWer Space NRf SPOint Space NRf VOLTage Space OPERation Space POWer NRf NRf NRf NRf Z I2T PPS HARMonics TRENd...

Page 42: ...SS C OPOWER 1 POWER 1 00000E 00 LAMBDA 80 0 DMODE LINEAR MATH x HARMonics CLASs Function Sets the applicable class of the equipment under test or queries the current setting Syntax MATH x HARMonics CL...

Page 43: ...ENT 50 000 MATH x HARMonics OPOWer Function Sets whether active power of 25 W is exceeded or queries the current setting Syntax MATH x HARMonics OPOWer Boolean MATH x HARMonics OPOWer x 1 to 2 Example...

Page 44: ...NRf MATH x PFFT SPOint x 1 to 2 NRf 5 to 5 The resolution is 10 div display record length Example MATH1 HARMONICS VOLTAGE 220 MATH1 HARMONICS VOLTAGE MATH1 HARMONICS VOLTAGE 220 000000E 00 MATH x PFFT...

Page 45: ...and statistical processing on power analysis parameters MEASure CHANnel x AH COUNt SDEViation MAXimum MEAN MINimum STATe Space OFF ON NRf VALue AHN AHP I2T IAC IDC IMN INPeak IPPeak IPTopeak IRMN IRM...

Page 46: ...mple MEASURE CHANNEL1 UDC STATE ON MEASURE CHANNEL1 UDC STATE MEASURE CHANNEL1 UDC STATE 1 Description The power analysis parameters below can be substituted using standard waveform parameters UPTopea...

Page 47: ...commands in this group deal with settings of the power analysis function PANalyze MATH x MODE Space OFF ON NRf PWR x I PROBe Space MODE Space OFF ON NRf C10 C100 MATH U PROBe Space NRf MEASure JUMP Sp...

Page 48: ...Function Enables Disables the power analysis target PWR x or queries the current setting Syntax PANalyze PWR x MODE Boolean PANalyze PWR x MODE x 1 to 3 1 or 2 on the DL7440 Example PANALYZE PWR1 MOD...

Page 49: ...owing cases When the trigger type is not Simple When the trigger type is Simple and the source is Ext or Line When Trigger Source Deskew Target CH When Deskew Target CH is Pod A or Pod B 45 Auto deske...

Page 50: ...lues of power analysis parameters Waveform computation on As with the standard waveform computation performs waveform computation such as power analysis parameters Instantaneous power impedance Joule...

Page 51: ...ation is 1000 1 Channel with current probe connected 20 0 mA div TIME DIV Time axis 20 ns div MODE Trigger mode When correction is executed and is successful Normal DL7400 in start condition When corr...

Page 52: ...13333 5333 2667 1333 533 267 1M 50Hz 640000 320000 160000 64000 32000 16000 6400 3200 1600 640 60Hz 533333 266667 133333 53333 26667 13333 5333 2667 1333 533 2M 50Hz 1600000 640000 320000 160000 6400...

Page 53: ...current to voltage conversion ratio 9 current to voltage conversion ratio 9 D data size 34 degauss 6 deskew 4 10 deskew correction signal source 4 deskew correction signal source connection of 12 des...

Page 54: ...GO determination 32 power analysis parameters history search on 29 power analysis parameters statistical processing 17 power analysis parameters waveform computation on 18 Power Analyze Setup 7 power...

Page 55: ...HARMonics DMODe 41 MATH x HARMonics LAMBda 42 MATH x HARMonics LIST 42 MATH x HARMonics MAXCurrent 42 MATH x HARMonics OPOWer 42 MATH x HARMonics POWer 42 MATH x HARMonics SPOint 42 MATH x HARMonics...

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