YOKOGAWA PZ4000 User Manual
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YOKOGAWA PZ4000 User Manual

YOKOGAWA PZ4000 User Manual

Power analyzer
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Power Analyzer
IM 253710-01E
3rd Editionrr

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Summary of Contents for YOKOGAWA PZ4000

  • Page 1 Power Analyzer IM 253710-01E 3rd Editionrr...

  • Page 2: Product Registration

    Product Registration Thank you for purchasing YOKOGAWA products. YOKOGAWA provides registered users with a variety of information and services. Please allow us to serve you best by completing the product registration form accessible from our homepage. http://tmi.yokogawa.com/ PIM 103-03E...

  • Page 3: Functions

    To ensure correct use, please read this manual thoroughly before operation. Keep this manual in a safe place for quick reference in the event a question arises. The following two manuals, including this one, are provided as manuals for the PZ4000. Manual Name Manual No.
  • Page 4 With reference to the equipment types in the WEEE directive Annex 1, this product is classified as a “Monitoring and Control instrumentation” product. Do not dispose in domestic household waste. To return unwanted products, contact your local Yokogawa Europe B. V. office. IM 253710-01E...
  • Page 5 Checking the Contents of the Package Standard Accessories for the PZ4000 The following standard accessories are supplied with the instrument. Part Name Part Number Q’ty Notes 1. Power cord See previous page – 2. Spare power fuse A1463EF 250 V, 6.3 A, time lag (Attached to the fuse holder) 3.
  • Page 6 *1 Install the sensor input module into the element 4 slot. *2 This is applicable to products (PZ4000) with firmware version 2.01 or later. Ex : For a power measurement module with Voltage 1000 V / current 5 A / current sensor 500...
  • Page 7 Checking the Contents of the Package Standard Accessories for the Input Module The following standard accessories are supplied with the input module. Part Name Part Number Q’ty Notes 1. External sensor cable B9284LK Provided with the 253751 and 253752 2. Clamp filtter (Ferrite core) A1179MN For measurement cable Optional Accessories (Sold Separately)

  • Page 8: Safety Precautions

    The following general safety precautions must be observed during all phases of operation. If the instrument is used in a manner not specified in this manual, the protection provided by the instrument may be impaired. YOKOGAWA Electric Corporation assumes no liability for the customer’s failure to comply with these requirements.
  • Page 9 To prevent an electric shock or fire, be sure to use the power cord supplied by YOKOGAWA. The main power plug must be plugged into an outlet with a protective earth terminal. Do not invalidate protection by using an extension cord without protective grounding.
  • Page 10 With reference to the equipment types in the WEEE directive Annex 1, this product is classified as a “Monitoring and Control instrumentation” product. Do not dispose in domestic household waste. When disposing products in the EU, contact your local Yokogawa Europe B. V. office. viii IM 253710-01E...
  • Page 11 How to Use this Manual How to Use this Manual Structure of the Manual This User’s Manual consists of the following 16 chapters, an appendix, and an index. Chapter 1 Functions Describes the functions of the instrument. Operating procedures are not given in this chapter.

  • Page 12: Table Of Contents

    Contents Checking the Contents of the Package ....................ii Safety Precautions ..........................vi Waste Electrical and Electronic Equipment ..................viii How to Use this Manual ........................ix Chapter 1 Functions System Configuration and Block Diagram ............... 1-1 System Configuration ....................... 1-1 Block diagram ........................
  • Page 13 Contents Saving/Loading the Data and Other Useful Functions ........... 1-42 Saving/Loading data from a Floppy Disk, Saving/Loading from a SCSI Device, Initialization, Outputting Screen Image Data ..............1-42 Selecting the Message Language, Setting the Brightness of the LCD monitor, Setting the Display Colors, Action-on-Trigger, Self-test Function, Confirming the System Condition of the Instrument, Communication Function (GP-IB/Serial) ..
  • Page 14 Contents Chapter 6 Setting the Time Axis Setting the Observation Time ................... 6-1 Selecting the Record Length for Acquiring Data .............. 6-3 Selecting the Time Base ....................6-5 The following section applies when the measurement mode is set to harmonic measurement.
  • Page 15 Contents Chapter 10 Numerical Computations 10.1 Setting the Measurement/Computation Period, Re-computing ........10-1 10.2 Selecting the Delta Computation ................... 10-8 10.3 Setting the User-Defined Function ................10-11 10.4 Setting the Equations for Apparent Power and Corrected Power ........ 10-15 10.5 Averaging ........................
  • Page 16 Contents Chapter 15 Motor Evaluation Function (Applicable to Motor Modules) 15.1 Inputting Signals of rotating speed and Torque .............. 15-1 15.2 Setting the Input Range of Revolution Sensor and Torque Meter Signals ..... 15-3 15.3 Selecting the Input Filter ....................15-9 15.4 Setting the Scaling Factor, the Pulse Count, and Unit Used to Measure the rotating speed ...

  • Page 17: Chapter 1 Functions

    Setup parameters Waveform data Floppy disk External Setup parameters SCSI Numerical data device Numerical data Screen image data PZ4000 Screen image data External trigger output External trigger input External clock input Centronics Centronics printer interface Power measurement Screen image data...

  • Page 18: Block Diagram

    1.1 System Configuration and Block Diagram Block diagram Power measurement module Model : 253751 / 253752 Voltage input circuit U data 1 MΩ ± Resistor 12-bit Photo 1 MHz Isolator 20 kHz Resistor Zero Zero Crossing Data 500 Hz Crossing Detector Current input circuit I data...

  • Page 19: Signal Flow And Process

    1.1 System Configuration and Block Diagram PZ4000 main unit Model : 253710 Element A/D data Acquisition SRAM ZCD data Data Optional Memory 1 MW-4 MW/CH Processing Standard A/D data Element ACQ-memory 100 kW/CH ZCD data Main memory Acquisition 4 MB...
  • Page 20 (one period) using the reference clock (internal clock) and updates the count value. PZ4000 main unit Model : 253710 The output from the A/D converter and the zero crossing detector of the module is passed to the main unit of the 253751 via the photo isolator. Up to eight channels of...

  • Page 21: Measurement Modes And Measurement/Computation Periods

    Measurement Modes and Measurement/ Computation Periods There are two measurement modes, normal measurement and harmonic measurement. Normal Measurement Mode and Measurement Function (Types of Numerical Data) «For procedures, see section 5.1.» The data specified by the measurement function (numerical data) in the normal measurement mode are measured or computed over the specified period of the sampled data* as described later in “Measurement/Computation Period.”...
  • Page 22 1.2 Measurement Modes and Measurement/Computation Periods • Umn, Imn (rectified mean value calibrated to the rms value) This function rectifies one period of the voltage or current signal, determines the average, and multiplies the result by a coefficient. The coefficient is the number that when applied to a sinusoidal input signal, gives the true rms value.

  • Page 23: Harmonic Measurement Mode And Measurement Function (Types Of Numerical Data)

    1.2 Measurement Modes and Measurement/Computation Periods Harmonic Measurement Mode and Measurement Function (Types of Numerical Data) «For procedures, see section 5.1.» The data specified by the measurement function (numerical data) in the harmonic measurement mode are measured or computed over the specified period of the sampled data* as described later in “Measurement/Computation Period.”...
  • Page 24 1.2 Measurement Modes and Measurement/Computation Periods • Harmonic measurement function that indicates the phase difference (φ) of the voltage and current between the power measurement modules • φU1-U2 The phase difference of the fundamental signal of the voltage of element 2, U2(1), with respect to the fundamental signal of the voltage of element 1, U1(1).
  • Page 25 1.2 Measurement Modes and Measurement/Computation Periods • Measurement function of the motor module The following seven types of numerical data can be determined. For details related to the determination of measurement functions, see “Chapter 15” or “Appendix 2.” Chars and numbers inside ( ) Measurement Function All (No ( ))

  • Page 26: Measurement/Computation Period

    1.2 Measurement Modes and Measurement/Computation Periods Measurement/Computation Period «For procedures, see section 10.1.» During normal measurement mode There are three methods of selecting the period. The measurement/computation period is set using one of the methods and the numerical data are measured or calculated using only sampled data within the period *1 For information on the sampled data, see section 1.3 “Acquiring Data (Voltage and Current...

  • Page 27: Wiring Method

    1.2 Measurement Modes and Measurement/Computation Periods • External trigger setting The measurement/computation period is set to the first period of time in which the signal applied to the external trigger input connector is in the specified Hi or Lo condition. External trigger condition Measurement/...

  • Page 28: Acquiring Data (Voltage And Current Signals)

    CH 7 CH 8 * When the motor module is installed, the output voltage from the sensors is assigned to CH7 and CH8. However, motor modules can be used on only products (PZ4000) with firmware version 2.01 or later. 1-12...

  • Page 29: Measurement Range Of Voltage, Current, And Power, Scaling

    1.3 Acquiring Data (Voltage and Current Signals) Measurement Range of Voltage, Current, and Power «For procedures, see section 5.3.» When directly inputting voltage or current signals to the input module, there are two types of measurement ranges : fixed range and auto range. When displaying the waveform, the measurement range corresponds to the vertical display range.

  • Page 30: Input Filter (Line Filter And Zero Crossing Filter)

    1.3 Acquiring Data (Voltage and Current Signals) When inputting voltage or current signals via an external PT or CT The output from the secondary side of the potential transformer can be connected to the same voltage input terminal used for direct input and the output of the secondary side of the current transformer can be connected to the same current input terminal used for direct input.
  • Page 31 1.3 Acquiring Data (Voltage and Current Signals) Observation Time «For procedures, see section 6.1.» The observation time represents the time span of one screen. During normal measurement mode The selectable range is from 10 µs to 1 ks*. The sampling rate changes depending on the observation time.
  • Page 32 1.3 Acquiring Data (Voltage and Current Signals) Dividing the record length «For procedures, see section 6.2.» The acquisition memory can be divided in half so that it appears as though there are two memories. The data can be acquired to each memory separately. When there is only one acquisition memory (the acquisition memory is not divided) and the data acquisition is aborted, the sampled data are discarded.
  • Page 33 1.3 Acquiring Data (Voltage and Current Signals) Zero Level Compensation «For procedures, see section 4.4.» Zero level compensation refers to the operation of adjusting the level to zero using an internal circuit of the instrument. Zero level compensation must be performed in order to meet the specifications of the instrument (see chapter 17).

  • Page 34: Trigger

    Trigger The trigger is used to display the sampled data stored in the acquisition memory as waveforms on the screen. The trigger is activated when the specified trigger condition is met. Trigger Source «For procedures, see section 7.2.» Trigger source refers to the signal that is used in checking the trigger condition. Trigger Slope «For procedures, see section 7.3.»...

  • Page 35: Trigger Mode

    1.4 Trigger Trigger Mode «For procedures, see section 7.1.» The trigger mode is used to set the conditions for updating the display. There are two main modes, OFF mode and ON mode. OFF mode In this mode, the display record length of data is acquired to the memory from the point at which the acquisition is started regardless of the trigger conditions.
  • Page 36 1.4 Trigger • Auto mode If a trigger occurs within a specified amount of time (about 100 ms, referred to as the timeout period), the waveform display is updated. If the trigger does not occur within the timeout period, the waveform display is automatically updated. •...
  • Page 37 1.4 Trigger Trigger Position «For procedures, see section 7.5.» The trigger position is used to set which section of the sampled data in the acquisition memory to display on the screen. When the trigger delay (described in the next section) is set to 0 s, the trigger point and trigger position match.

  • Page 38: Numerical Display

    Numerical Display The numerical data can be displayed. The display format varies depending on whether the measurement mode is set to normal measurement or harmonic measurement. In addition, the screen can be divided into top and bottom halves so that the numerical data and waveform can be displayed at the same time.
  • Page 39 1.5 Numerical Display Changing the displayed items By selecting the display item, the numerical data value that is displayed at the position can be changed. Changing the measurement function of the third item Changing the element of the third item Numerical display during the harmonic measurement mode «For procedures, see section 8.4, 8.5.»...
  • Page 40 U, I, P, S, Q, λ, φ, φU, φI, Z, Rs, Xs, Rp, Xp, and Torque * This is applicable to products (PZ4000) with firmware version 2.01 or later when the motor module is installed in the element number 4 slot.
  • Page 41 U, I, P, S, Q, λ, φ, φU, φI, Z, Rs, Xs, Rp, Xp, and Torque * This is applicable to products (PZ4000) with firmware version 2.01 or later when the motor module is installed in the element number 4 slot.

  • Page 42: Waveform Display

    Waveform Display Vertical (Amplitude) Axis and Horizontal (Time) Axis Vertical (amplitude) axis The vertical display range is set to the specified measurement range. For example, if the voltage measurement range is set to “300 Vpk,” then the display range is set so that the top of the screen is 300 Vpk and the bottom is –300 Vpk with the zero input line at the center.
  • Page 43 1.6 Waveform Display Note Number of displayed points on the screen When displaying the sampled data as a waveform on the screen, the data points are displayed in segments called rasters. There are 501 rasters in the time axis direction on one screen.
  • Page 44 The channels can be assigned arbitrarily to the divided windows regardless of whether or not the display is turned ON. * This is applicable to products (PZ4000) with firmware version 2.01 or later. Display Interpolation of the Waveform «For procedures, see section 9.4.»...

  • Page 45: Zooming On The Waveform

    1.6 Waveform Display Zooming on the Waveform «For procedures, see section 9.8.» Zooming vertically The waveform of each channel can be expanded or reduced by the zoom factor which can range from 0.1 to 100. The waveform is zoomed around the zero input line. When the zoom factor is set to 2 600 Vpk 300 Vpk...
  • Page 46 1.6 Waveform Display • Zoom position and zoom box The zoom position can be set in units of time. When the main waveform and Z1 or Z2 waveform are displayed at the same time, a zoom box indicating the zoom position is displayed in the main waveform screen.
  • Page 47 * This is applicable to products (PZ4000) with firmware version 2.01 or later. Vector display when the wiring method is 3P4W (three-phase four-wire) U1(1), U2(1), and U3(1) are common mode voltages.
  • Page 48 The screen can be divided in half vertically, so that the bar graph and numerical data can be displayed at the same time. * This is applicable to products (PZ4000) with firmware version 2.01 or later when the motor module is installed in the element number 4 slot.
  • Page 49 1.6 Waveform Display Other Display Settings «For procedures, see section 9.5 to 9.7.» Graticule A grid or cross scale can be displayed on the screen. You can also select not to display the grid or cross scale. Displaying the scale value The upper and lower limits of the vertical axis and the values at the left and right ends of the horizontal axis (time axis) of each channel can be turned ON or OFF.
  • Page 50 Numerical Computation By making use of the measurement function data and the measurement and computation function (see section 1.2), additional numerical computation can be carried out. In addition, a function is provided in which the equation used in determining the measurement function data can be selected.
  • Page 51 1.7 Numerical Computation Averaging «For procedures, see section 10.5.» The numerical data can be exponentially averaged using a specified attenuation constant. This function is useful when the numerical display is fluctuating and is hard to read such as when the fluctuation of the power supply or load is large or when the frequency of the input signal is low.
  • Page 52 1.7 Numerical Computation Equation for the Distortion Factor «For procedures, see section 10.8.» The measurement functions, Uhdf, Ihdf, Phdf, Uthd, Ithd, and Pthd of the harmonic measurement mode have two defining equations. The appropriate equations can be selected. For the equations, see Appendix 2. Corrected Power «For procedures, see section 10.4.»...
  • Page 53 TRENDF( ) C1, C2, C3, C4, C5, C6, C7, C8 * Functions TRENDM, TRENDD, and TRENDF are applicable to products (PZ4000) with firmware version 2.01 or later. The synchronizing signal varies depending on the channel symbol that is entered in the parentheses of each function.
  • Page 54 1.8 Waveform Analysis Example of an equation used to display the TREND waveform of Umn of element 1 and the waveform Equation: TRENDM(C1) When the rising slope of the When the rising slope of the synchronizing signal is two or more synchronizing signal less than two Synchronizing signal...
  • Page 55 1.8 Waveform Analysis Displays the waveform (changes over time) of the Sync (synchronous speed) function. Sync is one of the measurement functions of the motor module. The waveform is a step function that changes every period of the synchronizing signal (frequency measurement source, see section 15.6) as in the TREND waveform.
  • Page 56 1.8 Waveform Analysis FFT «For procedures, see section 11.3.» The power spectrum of the voltage, current, and active power can be displayed by taking the FFT (Fast Fourier Transform). This function is useful for checking the frequency distribution of the voltage, current, and active power. Power spectrum waveform A rectangular window or Hanning window can be selected as the time window.
  • Page 57 1.8 Waveform Analysis Re-computing the Waveform «For procedures, see section 11.1.» With the data acquisition stopped, the starting and ending points of the computation or waveform computation setting can be changed for re-computation of the waveform and of the FFT. Cursor measurements «For procedures, see section 11.4.»...

  • Page 58: Saving/Loading The Data And Other Useful Functions

    TIFF, BMP, and PS (PostScript) formats. The screen image data can be attached to documents using a word processing application. Floppy disk PZ4000 Saving/Loading from a SCSI Device «For procedures, see chapter 12.» On instruments with the SCSI option (suffix code /C7), various data can be saved or loaded from an external SCSI device* in the same manner described above for the floppy disk.
  • Page 59 A GP-IB interface and a serial interface (complies with EIA-574 Standard (EIA-232 (RS- 232) standard for 9 pin)) come standard with the instrument. The communication function can be used to transfer data to a PC for analysis or to control the instrument with an external controller. Communication interface PZ4000 1-43 IM 253710-01E...

  • Page 60: Chapter 2 Names And Uses Of Parts

    Chapter 2 Names and Uses of Parts Front Panel, Rear Panel, and Top View Front Panel ESC key Operation Keys Clears and escapes Keys that are pressed first when carrying out an operation. from the current menu. Displays the first menu of the corresponding key (setting). (Section 2.2) Jog shuttle Used when selecting setup parameters and...
  • Page 61 2.1 Front Panel, Rear Panel, and Top View Top View Rear panel Vent holes (Section 3.2) Built-in printer (option) (Sections 13.1, 13.2) Front panel IM 253710-01E...

  • Page 62: Operation Keys, Jog Shuttle, And Rotary Knob

    Operation Keys, Jog Shuttle, and Rotary Knob Common to All Functions ESC key Clears and escapes from the current menu. SELECT key RESET key Confirms the selection made using the jog shuttle or the set value. Press this key to reset the value to default.
  • Page 63 2.2 Operation Keys, Jog Shuttle, and Rotary Knob Set Numerical Display and Waveform Display DISPLAY key Display normal measurement data, harmonic measurement data, and waveforms; split the screen; set display interpolation; change the graticule; display upper and lower limits; display waveform labels; display vector graphs and bar graphs of harmonic signals.
  • Page 64 2.2 Operation Keys, Jog Shuttle, and Rotary Knob Save and Load data, and Set Other Functions FILE key Format disks, save and load setup parameters and waveform data, save numerical data, change file attributes, delete files, copy files, change the name of director/file, and create directories. (Sections 12.4 to 12.10) MISC key Change SCSI ID numbers, select the message language, set the brightness of the LCD monitor, set...

  • Page 65: Screens

    Screens Numerical Display for the Normal Measurement Mode 8 items display Displays the last channel key that was pressed, the waveform color and the measurement range of that channel. The color changes from green to red when the input signal exceeds the approx.
  • Page 66 2.3 Screens 42 items display 78 items display All display Element and wiring method IM 253710-01E...

  • Page 67: Numerical Display During The Harmonic Measurement Mode

    2.3 Screens Numerical Display during the Harmonic Measurement Mode 8 items display Displays the last channel key that was pressed, the waveform color and the measurement range of that channel. The color changes from green to red when the input signal exceeds the approx.
  • Page 68 2.3 Screens Single list Measurement function Harmonic distortion factor Numerical data of each harmonic Dual list Measurement function Harmonic distortion factor Numerical data of each harmonic Σ list Element and wiring method IM 253710-01E...

  • Page 69: Waveform Display

    2.3 Screens Waveform Display Normal waveform display Displays the last channel key that was pressed, the waveform color and the measurement range of that channel. The color changes from green to red when the input signal exceeds the approx. 125% level of the specified measurement range. The first and second lines correspond to voltage and current, respectively.
  • Page 70 2.3 Screens Vector display of harmonics • When displaying numerical data (the size of the signal and the phase difference between signals) For a 3P4W (three-phase four-wire) For a 3V3A (three-voltage, three-current) For a 3P3W (three-phase three-wire) wiring system wiring system wiring system •...
  • Page 71 2.3 Screens Bar graph display of harmonic data Bar Graph Display of Harmonic Data The measured values of marker + and × for bar graph 1 Marker + Marker × The measured values of marker + and × for bar graph 2 Harmonic order indicating the marker position (Applicable to products with firmware...
  • Page 72 2.3 Screens Simultaneous Displays of Numerical Data and Waveforms Simultaneous Displays of Numerical Data and Bar Graphs 2-13 IM 253710-01E...

  • Page 73: Input Modules

    Input Modules Power Measurement Module Model 253751 Voltage input terminal Wire the voltage measurement cable. (Section 3.7 to 3.10) Current sensor input connector Connect the external sensor cable from the external current sensor. (Section 3.8) Current input terminal Wire current measurement cables. Maximum rating is 5 Arms.
  • Page 74 2.4 Input Modules Sensor input module Model 253771 (motor module) Revolution sensor signal Input connector (CH7) Connect a cable from an external revolution sensor. (Section 15.1) Torque meter signal Input connector (CH8) Connect a cable from an external torque meter. (Section 15.1) 2-15 IM 253710-01E...

  • Page 75: Chapter 3 Before Starting Measurements

    Chapter 3 Before Starting Measurements Precautions on the Use of the instrument Safety Precautions Safety Precautions If you are using this instrument for the first time, make sure to thoroughly read the “Safety Precautions” given on pages v to vi. Do not remove the cover from the instrument Some sections inside the instrument have high voltages that are extremely dangerous.

  • Page 76: Installing The Instrument

    Installing the Instrument Installation Conditions Install the instrument in a place that meets the following conditions. Flat, even surface If the instrument in not installed on a stable horizontal surface, the printer’s recording quality may degrade and precise measurements may be impeded. Well-ventilated location Vent holes are located on the top and bottom of the instrument.
  • Page 77 3.2 Installing the Instrument Installation position Desktop Place the instrument on a flat, even surface as shown in the figure below. If the instrument is installed in a horizontal position, rubber feet can be attached to prevent slipping. Two sets (four pieces) of rubber feet are included in the package. Rack mount To rack mount the instrument, use the rack mount kit that is sold separately.

  • Page 78: Installing The Input Module

    Installing the Input Module WARNING • To prevent shock and damage to the instrument when installing or removing input modules, turn OFF the power supply of the circuit under measurement, turn OFF the power switch of the instrument, and remove all measurement cables from all input modules.
  • Page 79 3.3 Installing the Input Module Installation Procedure Check that no measurement cables are connected to any of the input modules. Check that the power switch is turned OFF on the instrument. After checking the element number that is indicated on the top section of the slot on the rear side of the instrument in which the input module is to be installed, install the input module along the guide.

  • Page 80: Wiring Precautions

    Wiring Precautions To prevent electric shock and damage to the instrument, follow the precautions below. WARNING • To ensure safety, if the current to be measured exceeds 7 A (RMS), use a cable or conductor that allows current greater than the current to be measured to flow through it, and always connect protective grounding prior to use of this instrument.
  • Page 81 3.4 Wiring Precautions • When using a clamp-type current sensor as an external current sensor, have a good understanding of the voltage of the circuit under measurement and the specifications and handling of the clamp-type sensor. Then, confirm that there are no shock hazards.

  • Page 82: For Making Accurate Measurements

    For Making Accurate Measurements Effects of Power Loss By using an appropriate wiring method that matches the load, the effects of power loss on measurement accuracy can be minimized. We will consider the current source (SOURCE) and load resistance (LOAD) below. When the measured current is relatively large Wire so that the voltage measurement circuit is connected to the load side.
  • Page 83 3.5 For Making Accurate Measurements Effects of Stray Capacitance The effects of stray capacitance on the measurement accuracy can be minimized by connecting the current input terminal of the instrument to the side that is close to the earth potential of the power source (SOURCE) The internal structure of the instrument is as follows.

  • Page 84: Connecting The Power Supply

    OFF. • To prevent electric shock or fire, always use the power cord supplied by YOKOGAWA. • Always use protective earth to prevent electric shock. Connect the power cord of the instrument to a three-pole power outlet that has a protective earth terminal.

  • Page 85: Directly Wiring The Circuit Under Measurement

    Directly Wiring the Circuit under Measurement The measurement cable is wired directly from the circuit under measurement to the voltage/current input terminal of the power measurement module. To prevent electric shock and damage to the instrument follow the precautions given in section 3.4, “Wiring Precautions.”...
  • Page 86 (3V3A) system be used to make the measurement. • In 3P3W and 3V3A systems, the wiring system may be different between the PZ4000 and another product (another digital power meter) due to the differences in the input element that is wired.
  • Page 87 3.7 Directly Wiring the Circuit under Measurement Wiring Example of a single-phase, two-wire system (1P2W) If power measurement modules are installed into all four slots, four single-phase two- wire systems can be set up. LOAD SOURCE ± SOURCE LOAD ± ±...
  • Page 88 3.7 Directly Wiring the Circuit under Measurement Wiring Example of a three-phase, three-wire system (3P3W) • If power measurement modules are installed in all four slots, then two three-phase three-wire systems can be set up (elements 1 and 2 and elements 3 and 4). •...

  • Page 89: Using An External Current Sensor To Wire The Circuit Under Measurement

    Using an External Current Sensor to Wire the Circuit under Measurement To prevent electric shock and damage to the instrument follow the precautions given in section 3.4, “Wiring Precautions.” • As shown below, when the maximum current value of the circuit under measurement exceeds the maximum measurement range of the current input terminal, an external sensor cable from the external current sensor can be connected to the current sensor input connector of the power measurement module in order to measure the current of...
  • Page 90 Shunt-type current sensor Area of space created by the connection wires OUT H External sensor cable PZ4000 ± Shielded wire OUT L • For a shunt-type current sensor, connect it to the power earth ground side as shown in the figure below.
  • Page 91 (3V3A) system be used to make the measurement. • In 3P3W and 3V3A systems, the wiring system may be different between the PZ4000 and another product (another digital power meter) due to the differences in the input element that is wired.
  • Page 92 3.8 Using an External Current Sensor to Wire the Circuit under Measurement Wiring Example of a three-phase, three-wire system (3P3W) using a shunt-type current sensor SOURCE LOAD ± OUT H OUT L ± OUT L OUT H ± ± Input terminal 2 Input terminal 1 Current sensor Current sensor...

  • Page 93: Using An External Pt Or Ct To Wire The Circuit Under Measurement

    Using an External PT or CT to Wire the Circuit under Measurement Connect a measurement cable from an external potential transformer (PT) or current transformer (CT) to the voltage or current input terminal of the power measurement module. To prevent electric shock and damage to the instrument follow the precautions given in section 3.4, “Wiring Precautions.”...
  • Page 94 (3V3A) system be used to make the measurement. • In 3P3W and 3V3A systems, the wiring system may be different between the PZ4000 and another product (another digital power meter) due to the differences in the input element that is wired. To achieve correct measurements, check the wiring system.
  • Page 95 3.9 Using an External PT or CT to Wire the Circuit under Measurement Wiring Example of a three-phase, three-wire system (3P3W) using PT and CT SOURCE LOAD L CT L CT ± ± Input terminal 1 Input terminal 2 ± ±...

  • Page 96: Wiring A Circuit With Voltage Input Exceeding 600 V

    3.10 Wiring a Circuit with Voltage Input Exceeding 600 V When the voltage across the voltage input terminals exceeds 600 V, do not directly input the current to the current input terminals. Connect the output of an isolation sensor (CT, DT-CT, or clamp) to the current sensor input connector.

  • Page 97: Turning On/Off The Power Switch

    3.11 Turning ON/OFF the Power Switch Points to Check before Turning ON the Power • Check that the instrument is installed properly (see section 3.2, “Installing the Instrument”). • Check that the input module is installed properly (see section 3.3, “Installing the Input Module”).
  • Page 98 3.11 Turning ON/OFF the Power Switch For Making Accurate Measurements • Turn ON the power switch and allow the instrument to warm up for at least 30 minutes. • Perform zero-level compensation after warm-up (see section 4.4, “Performing Zero- Level Compensation”). Shut Down Operation The setup parameters that exist immediately before the power switch is turned OFF are stored in memory.

  • Page 99: Setting The Date And Time

    3.12 Setting the Date and Time Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT •...
  • Page 100 3.12 Setting the Date and Time Explanation Turning ON/OFF the date/time display You can select whether or not to display the date and time in the lower right corner of the screen. • OFF : Do not display the date and time. •...

  • Page 101: Chapter 4 Common Operations

    Chapter 4 Common Operations Entering Values and Strings Entering Values By using the rotary knob The observation time can be set regardless of the displayed menu. SINGLE START/STOP START ABORT OBSERVATION TIME By using the jog shuttle After selecting the setup parameter with the soft keys and the SELECT key, the value can be changed using the jog shuttle.
  • Page 102 4.1 Entering Values and Strings Keys other than the character keys • DEL or BS : Deletes the character before the entry position. • INS : Switches the insert/overwrite mode. During the insert mode, the INSERT indicator on the keyboard lights. When a new character is entered in the insert mode, the new character is placed at the entry position and all following characters are moved forward.

  • Page 103: Initializing The Settings

    Initializing the Settings Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT •...

  • Page 104: Starting/Stopping Data Acquisition

    Starting/Stopping Data Acquisition Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE MISC HELP LOCAL FILE SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT •...
  • Page 105 4.3 Starting/Stopping Data Acquisition Explanation The difference between stopping the data acquisition using the START/STOP key and the SHIFT+SINGLE START(ABORT) key When the data acquisition is stopped using the START/STOP key, the acquisition operation stops after acquiring the display record length of sampled data. Therefore, numerical data can be measured, computed, and displayed and the waveform can be displayed.

  • Page 106: Performing Zero-Level Compensation

    Performing Zero-level Compensation Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE MISC HELP LOCAL FILE SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT •...

  • Page 107: Using The Null Function

    Using the NULL Function Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT •...

  • Page 108: Using The Help Function

    Using the Help Function Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT •...

  • Page 109: Chapter 5 Setting The Measurement Mode And Range

    Chapter 5 Setting the Measurement Mode and Range Selecting the Measurement Mode «For a functional description, see section 1.2.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU...

  • Page 110: Selecting The Wiring Method

    Selecting the Wiring Method «For a functional description, see section 1.2.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START...
  • Page 111 5.2 Selecting the Wiring Method • When the power measurement modules are installed in element number 1 and 2 slots Selectable Wiring Method Numerical Data of the ΣFunction A-(B) 1P2W-1P2W • ΣA : Displays the numerical data of element 1. •...
  • Page 112 5.2 Selecting the Wiring Method • When the power measurement modules are installed in element number 1, 2, 3, and 4 slots Selectable Wiring Method Numerical Data of the ΣFunction A-(B) 1P2W-1P2W • ΣA : Displays the numerical data of element 1. •...
  • Page 113 5.2 Selecting the Wiring Method Note • Check that the power measurement modules are installed in order starting from the element number 1 slot. If you leave the slots that have smaller element numbers empty, measurements will not be made properly. (For example, do not install a power measurement module into the element number 2 slot and leave the element number 1 slot empty.

  • Page 114: Setting The Measurement Range During Direct Input

    Sets the range of the power measurement module for each element. Press the INPUT key to display the Input setting menu. On products (PZ4000) with firmware version before 2.01, only the [Power Module] soft key appears. Press the [Power Module (Each)] soft key to display the power module setting dialog box.
  • Page 115 5.3 Setting the Measurement Range during Direct Input Setting the current range • Selecting the current input terminal Turn the jog shuttle to select the [Terminal] of the element you wish to set. Press the SELECT key to select [5A] or [20A]. [20A] cannot be selected on the power measurement module 253751.
  • Page 116 Setting the Range Using the Full Screen Menu for All Elements Sets the range of the power measurement module for all elements at once. This is applicable to products (PZ4000) with firmware version 2.01 or later. Press the INPUT key to display the Input setting menu.
  • Page 117 5.3 Setting the Measurement Range during Direct Input Setting the Range Using the Channel Setting Menu Setting the voltage range Select the desired channel key from the CH1, CH3, CH5, and CH7 keys. The channel setting menu appears. If the CH7 key is pressed when the motor module is installed in the element number 4 slot, the menu for the rotating speed signal input appears.
  • Page 118 5.3 Setting the Measurement Range during Direct Input Explanation WARNING To ensure safety, if the current to be measured exceeds 7 A (RMS), use a cable or conductor that allows current greater than the current to be measured to flow through it, and always connect protective grounding prior to use of this instrument.
  • Page 119 5.3 Setting the Measurement Range during Direct Input • Auto range Select [Auto] for the range setting to enable auto range. The range switches automatically depending on the amplitude of the input signal as follows. The different ranges used in the auto mode are the same as those available for fixed range selection.
  • Page 120 5.3 Setting the Measurement Range during Direct Input The actual values of the combinations of the voltage and current ranges and the power range are listed below (according to the table on the previous page). The tables show the different ranges for active power. The same ranges are set for apparent power (unit : VA) and reactive power (unit : var).
  • Page 121 5.3 Setting the Measurement Range during Direct Input Wiring Method: 3P4W Current Voltage Range [Vpk] Displayed Range digits [Apk] 1200 2000 5 digits 9.0000 W 18.000 W 36.000 W 60.000 W 90.000 W 180.00 W 360.00 W 600.00 W 6 digits 9.00000 W 18.0000 W 36.0000 W...

  • Page 122: Setting The Measurement Range When Using An External Current Sensor

    Sets the range of the power measurement module for each element. Press the INPUT key to display the Input setting menu. On products (PZ4000) with firmware version before 2.01, only the [Power Module] soft key appears. Press the [Power Module (Each)] soft key to display the power module setting dialog box.
  • Page 123 5.4 Setting the Measurement Range when Using an External Current Sensor Setting the current sensor transformation ratio Turn the jog shuttle to select the [Sensor Ratio(mV/A)] of the element you wish to set. Press the SELECT key to display the current sensor transformation ratio setting box.
  • Page 124 Setting the Range Using the Full Screen Menu for All Elements Sets the range of the power measurement module for all elements at once. This is applicable to products (PZ4000) with firmware version 2.01 or later. Press the INPUT key to display the Input setting menu.
  • Page 125 5.4 Setting the Measurement Range when Using an External Current Sensor Setting the Range Using the Channel Setting Menu Select the desired channel key from the CH2, CH4, CH6, and CH8 keys. The channel setting menu appears. If the CH8 key is pressed when the motor module is installed in the element number 4 slot, the menu for the torque signal input appears.
  • Page 126 5.4 Setting the Measurement Range when Using an External Current Sensor Setting the current sensor transformation ratio Press the [Sensor Ratio(mV/A)] soft key. Turn the jog shuttle to set the transformation ratio. For the procedures related to entering values using the jog shuttle, see section 4.1, “Entering Values and Strings.”...
  • Page 127 5.4 Setting the Measurement Range when Using an External Current Sensor Configuration example of the current sensor range and transformation ratio For example, when using a current sensor that outputs 10 mV when 1 A of current is flowing, to measure a current with a maximum value of 100 Apk, the equation becomes 10 mV/A ×...

  • Page 128: Setting The Scaling Function When Using An External Pt Or Ct

    Sets the scaling function of the power measurement module for each element. Press the INPUT key to display the Input setting menu. On products (PZ4000) with firmware version before 2.01, only the [Power Module] soft key appears. Press the [Power Module (Each)] soft key to display the power module setting dialog box.
  • Page 129 5.5 Setting the Scaling Function when using an External PT or CT Setting the CT ratio Turn the jog shuttle to select the [CT Ratio] of the element you wish to set. Press the SELECT key to display the CT ratio setting box. Turn the jog shuttle to set the CT ratio.
  • Page 130 Setting the Scaling Function for All Elements Sets the scaling function of the power measurement module for all elements at once. This is applicable to products (PZ4000) with firmware version 2.01 or later. Press the INPUT key to display the Input setting menu.
  • Page 131 5.5 Setting the Scaling Function when using an External PT or CT Setting the CT ratio Turn the jog shuttle to select the [CT Ratio] of element 1. Press the SELECT key to display the CT ratio setting box. Turn the jog shuttle to set the CT ratio. For the procedures related to entering values using the jog shuttle, see section 4.1, “Entering Values and Strings.”...
  • Page 132 5.5 Setting the Scaling Function when using an External PT or CT Explanation Measurements can be made by connecting the output of the secondary side of the PT and the output of the secondary side of the CT to the same voltage and current input terminals that are used when directly inputting a signal.

  • Page 133: Selecting The Input Filter

    Selects the input filter of the power measurement module for each element. Press the INPUT key to display the Input setting menu. On products (PZ4000) with firmware version before 2.01, only the [Power Module] soft key appears. Press the [Power Module (Each)] soft key to display the power module setting dialog box.
  • Page 134 Selecting the Input Filter for All Elements Selects the input filter of the power measurement module for all elements at once. This is applicable to products (PZ4000) with firmware version 2.01 or later. Press the INPUT key to display the Input setting menu.
  • Page 135 5.6 Selecting the Input Filter Explanation The following two types of filters are available on the power measurement module. For selecting the input filter of the motor module, see section 15.3. Selecting the line filter The line filter is inserted into the circuit under measurement. It removes the noise from the inverter and from distorted waveforms.

  • Page 136: Chapter 6 Setting The Time Axis

    Chapter 6 Setting the Time Axis Setting the Observation Time «For a functional description, see section 1.3.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE MISC HELP LOCAL FILE SHIFT COPY NULL MENU ELEMENTS FILTER...
  • Page 137 6.1 Setting the Observation Time Explanation The observation time represents the time span of one screen. How the observation time is determined depends on the measurement mode. Observation time Sampling rate During the normal measurement mode The selectable range is from 10 µs to 1 ks* (in 1-2-4 steps). The sampling rate changes depending on the observation time.

  • Page 138: Selecting The Record Length For Acquiring Data

    Selecting the Record Length for Acquiring Data «For a functional description, see section 1.3.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER...
  • Page 139 6.2 Selecting the Record Length for Acquiring Data Explanation Selecting the record length On this instrument, the record length refers to the data capacity of the acquisition memory per channel. It can be selected from the following choices. 1 M and 4 M are memory extension options.

  • Page 140: Selecting The Time Base

    Selecting the Time Base «For a functional description, see section 1.3.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START...
  • Page 141 6.3 Selecting the Time Base When the time base is set to [Ext] Apply a clock signal to the external clock input connector (EXT CLK IN) on the rear panel that meets the following specifications. EXT CLK IN Item Specification Connector type BNC connector Frequency range...

  • Page 142: Selecting The Pll Source For Harmonic Measurement

    Selecting the PLL Source for Harmonic Measurement «For a functional description, see section 1.2.» The following section applies when the measurement mode is set to harmonic measurement. Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE...
  • Page 143 6.4 Selecting the PLL Source for Harmonic Measurement Explanation Select the PLL source (phase locked loop source) to be used for determining the fundamental frequency for the analysis of the hermonics. Selecting the PLL source Select the PLL source from the following choices. •...

  • Page 144: Chapter 7 Setting The Trigger

    Chapter 7 Setting the Trigger Selecting the Trigger Mode «For a functional description, see section 1.4.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER...
  • Page 145 • When the zero crossing filter is set, the trigger becomes less susceptive to harmonic noise and unexpected triggers are prevented from occurring. • The PZ4000 may not operate properly when the motor module is installed in the element number 4 slot and the trigger source is set to CH7 or CH8.

  • Page 146: Selecting The Trigger Source

    Selecting the Trigger Source «For a functional description, see section 1.4.» This section applies when the trigger mode is set to a mode other than OFF. Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE...
  • Page 147 7.2 Selecting the Trigger Source Explanation Selecting the trigger source Select the signal that is used for triggering (trigger source). Select from the following choices. • CH1 to CH8 : The trigger source is set to the voltage or current of the element that has a measurement module installed.
  • Page 148 7.2 Selecting the Trigger Source Note Two PZ4000s can be synchronized using the external trigger output function. For details, see 14.1 “External Trigger Output.” PZ4000 PZ4000 TRIG TRIG IM 253710-01E...

  • Page 149: Setting The Edge Trigger

    Setting the Edge Trigger «For a functional description, see section 1.4.» This section applies when the trigger mode is set to a mode other than OFF. Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE...
  • Page 150 7.3 Setting the Edge Trigger Explanation Selecting the trigger type Select the trigger type from the following choices. Here, select [Edge]. • Edge : Sets the trigger type to edge trigger. A trigger occurs when the trigger source rises above or falls below a preset trigger level. •...

  • Page 151: Setting The Window Trigger

    Setting the Window Trigger «For a functional description, see section 1.4.» This section applies when the trigger mode is set to a mode other than OFF. Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE...
  • Page 152 7.4 Setting the Window Trigger Setting the window • Setting the center level Press the [Center Level / Width Level] soft key to select [Center Level]. Turn the jog shuttle to set the center level. For the procedures related to entering values using the jog shuttle, see section 4.1, “Entering Values and Strings.”...
  • Page 153 7.4 Setting the Window Trigger Explanation Selecting the trigger type Select the trigger type from the following choices. Here, select [Window]. • Edge : Sets the trigger type to edge trigger. A trigger occurs when the trigger source rises above or falls below a preset trigger level. For edge trigger, see section 7.3, “Setting the Edge Trigger.”...

  • Page 154: Setting The Trigger Position

    Setting the Trigger Position «For a functional description, see section 1.4.» This section applies when the trigger mode is set to a mode other than OFF. Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE...
  • Page 155 7.5 Setting the Trigger Position Explanation The trigger position is used to set which section of the sampled data in the acquisition memory to display on the screen. Setting the trigger position Set the trigger position in the range from 0 to 100%. The left end of the screen is 0%; the right end of the screen is 100%.

  • Page 156: Setting The Trigger Delay

    Setting the Trigger Delay «For a functional description, see section 1.4.» This section applies when the trigger mode is set to a mode other than OFF. Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE...
  • Page 157 7.6 Setting the Trigger Delay Explanation The trigger position matches the trigger point when the trigger delay is set to 0 s. This function allows you to display the waveform that is acquired the specified amount of time after the trigger point (delay time). Setting the trigger delay Set the trigger delay in the range from 0.0 to 1000000.0 µs (with 0.5 µs resolution).

  • Page 158: Chapter 8 Numerical Display

    Chapter 8 Numerical Display Selecting the Number of Displayed Digits «For a functional description, see section 1.2.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER...

  • Page 159: Displaying Normal Measurement Data

    Displaying Normal Measurement Data «For a functional description, see section 1.5.» This section applies when the measurement mode is set to normal measurement. Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL...

  • Page 160: Waveform Display

    Turn the jog shuttle to select [Numeric+X-Y]. Press the SELECT key to confirm the selection. X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. For the procedures related to setting the X-Y waveform display, see section 9.11, “Displaying the X-Y Waveform.”...
  • Page 161 8.2 Displaying Normal Measurement Data The following procedures are given with the premise that “Displaying only the numerical data” was selected in the previous section. Selecting the number of displayed items Press the [Item Amount] soft key to display the displayed item number selection menu.

  • Page 162: Numerical Computations

    8.2 Displaying Normal Measurement Data • When the number of displayed items is set to [All] Turn the jog shuttle to move the highlight to another measurement function. The symbol representing the highlighted measurement function is displayed in the [Function] section of the menu. Press the ESC key to clear the menu.
  • Page 163 For the procedures related to setting the X-Y waveform display, see section 9.11, “Displaying the X-Y Waveform.” * X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. Selecting the number of displayed items Select the number of items that are displayed concurrently from the following choices.
  • Page 164 8.2 Displaying Normal Measurement Data Resetting the order of the displayed items If the number of displayed items is set to something other than [ALL], the order of the displayed items can be reset to a preset order. For details regarding the reset information, see Appendix 4, “List of Initial Settings and Display Order of Numerical Data.”...

  • Page 165: Changing The Displayed Items Of The Normal Measurement Data

    Check that [Format] is set to [Numeric], [Numeric+Wave], [Numeric+Bar], or [Numeric+X-Y] Check that [Item Amount] is set to [8], [16], [42], or [78]. * X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. IM 253710-01E...
  • Page 166 8.3 Changing the Displayed Items of the Normal Measurement Data The following procedures are given with the premise that the display format is set to [Numeric]. Press the [Numeric Disp Items] soft key to display the menu used to select the number of displayed items.
  • Page 167 8.3 Changing the Displayed Items of the Normal Measurement Data Explanation For the meanings of the measurement function symbols, see section 1.2, “Measurement Modes and Measurement/Computation Periods,” 1.7 “Numerical Computation,” appendix 2 “Symbols and Determination of Measurement Functions,” and appendix 3 “Determination of Delta Functions.”...

  • Page 168: Displaying Harmonic Measurement Data

    Displaying Harmonic Measurement Data «For a functional description, see section 1.5.» This section applies when the measurement mode is set to harmonic measurement. Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL...
  • Page 169 Turn the jog shuttle to select [Numeric+X-Y]. Press the SELECT key to confirm the selection. X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. For the procedures related to setting the X-Y waveform display, see section 9.11, “Displaying the X-Y Waveform.”...
  • Page 170 8.4 Displaying Harmonic Measurement Data The following procedures are given with the premise that “Displaying only the numerical data” was selected in the previous section. Selecting the number of displayed items or list display Press the [Item Amount] soft key to display the menu used to select the number of displayed items.
  • Page 171 8.4 Displaying Harmonic Measurement Data • When [Single List] or [Dual List] is selected Turn the jog shuttle to move the highlight over the data corresponding to a different order. The harmonic order of the data being highlighted is displayed in the [Order] section of the Display setting menu.
  • Page 172 8.4 Displaying Harmonic Measurement Data Page scrolling the display You can page scroll when [Single List] or [Dual List] is selected. • Listing the numerical data corresponding to the harmonic orders that are higher than those currently displayed Press the [Page Down Scroll Exec] soft key. The numerical data of the higher harmonic order is listed.
  • Page 173 For the procedures related to setting the X-Y waveform display, see section 9.11, “Displaying the X-Y Waveform.” * X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. Selecting the number of displayed items or list display Select the number of items that are to be displayed concurrently or list displays from the following choices.
  • Page 174 8.4 Displaying Harmonic Measurement Data • Single List • When the display format is [Numeric], 48 items of numerical data of one type of measurement function are displayed in two columns. • When the display format is other than [Numeric], 22 items of numerical data of one type of measurement function are displayed in two columns.
  • Page 175 8.4 Displaying Harmonic Measurement Data • When [Σ List] is selected Total or dc (0th order) up to 500th order is displayed in the [order] section of the Display setting menu. The measurement functions U, I, P, S, Q, λ, φ, and so on for the harmonic order are displayed.

  • Page 176: Changing The Displayed Items Of The Harmonic Measurement Data

    Check that [Format] is set to [Numeric], [Numeric+Wave], [Numeric+Bar], or [Numeric+X-Y] Check that [Item Amount] is set to [8], [16], [Single List], [Dual List], or [Σ List]. * X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. 8-19...
  • Page 177 8.5 Changing the Displayed Items of the Harmonic Measurement Data The following procedures are given with the premise that the display format is set to [Numeric]. When the number of displayed items is set to [8] or [16] Press the [Numeric Disp Items] soft key to display the menu used to select the number of displayed items.
  • Page 178 8.5 Changing the Displayed Items of the Harmonic Measurement Data When [Single List] or [Dual List] is selected Press the [List Items] soft key to display the menu used to change the display item. • Selecting the item to change Press the [List Item No.] soft key.
  • Page 179 8.5 Changing the Displayed Items of the Harmonic Measurement Data Explanation For the meanings of the measurement function symbols, see section 1.2, “Measurement Modes and Measurement/Computation Periods,” 1.7 “Numerical Computation,” and appendix 2 “Symbols and Determination of Measurement Functions.” For details regarding the wiring methods, A and B, see section 5.2, “Selecting the Wiring Method.”...
  • Page 180 Note (no measurement function), U, I, P, S, Q, λ, φ, φU, φI, Z, Rs, Xs, Rp, Xp, Torque * This is applicable to products (PZ4000) with firmware version 2.01 or later when the motor module is installed in the element number 4 slot.

  • Page 181: Chapter 9 Waveform Display

    Chapter 9 Waveform Display Selecting the Channel to Display «For a functional description, see section 1.6.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER...
  • Page 182 Turn the jog shuttle to select [Wave+X-Y]. Press the SELECT key to confirm the selection. X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. For the procedures related to setting the X-Y waveform display, see section 9.11, “Displaying the X-Y Waveform.”...
  • Page 183 9.1 Selecting the Channel to Display The following procedures are given with the premise that “Display only the numerical data” was selected in the previous section. Press the [Wave Setting] soft key to display the waveform menu. Press the [Wave Display] soft key to display the waveform display selection box. Turn ON/OFF the waveform display of each channel (includes computed waveforms) Turn the jog shuttle to select the desired channel.
  • Page 184 The waveform and X-Y waveform are displayed separately in the top and bottom windows. For the procedures related to setting the X-Y waveform display, see section 9.11, “Displaying the X-Y Waveform.” * X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. Selecting the display channel The waveform of each channel can be turned ON/OFF.

  • Page 185: Moving The Vertical Position

    Press the [Format] soft key to display the display format selection box. Check that [Format] is set to [Wave], [Numeric+Wave], [Wave+Bar], or [Wave+X-Y] * X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. The following procedures are given with the premise that the display format is set to [Wave].
  • Page 186 The displayed position of the waveform (vertical position) can be moved vertically to the desired position such as when the section of the waveform you wish to view goes out of the display frame due to vertical zoom. This is applicable to products (PZ4000) with firmware version 2.01 or later.

  • Page 187: Splitting The Screen And Displaying The Waveforms

    Press the [Format] soft key to display the display format selection box. Check that [Format] is set to [Wave], [Numeric+Wave], [Wave+Bar], or [Wave+X-Y] * X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. The following procedures are given with the premise that the display format is set to [Wave].
  • Page 188 Selecting the waveform mapping Press the [Wave Mapping] soft key to display the waveform mapping selection box. On products (PZ4000) with firmware version before 2.01, press the [Mapping] soft key to select [Auto] or [Fixed]. Turn the jog shuttle to select [Mode].
  • Page 189 ON. You can select the display position from 0 to 3. The channels are assigned in order starting from number 0 from the top divided window. This is applicable to products (PZ4000) with firmware version 2.01 or later. User (when the screen is divided into three windows...

  • Page 190: Interpolating The Display

    Press the [Format] soft key to display the display format selection box. Check that [Format] is set to [Wave], [Numeric+Wave], [Wave+Bar], or [Wave+X-Y] * X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. The following procedures are given with the premise that the display format is set to [Wave].
  • Page 191 9.4 Interpolating the Display Explanation When there are less than 500 points of sampled data on the time axis, the area between the display points (rasters) is no longer continuous. This function interpolates between the points so that the waveform appears to be connected. Select the interpolation mode from the following choices.

  • Page 192: Changing The Graticule

    Press the [Format] soft key to display the display format selection box. Check that [Format] is set to [Wave], [Numeric+Wave], [Wave+Bar], or [Wave+X-Y] * X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. The following procedures are given with the premise that the display format is set to [Wave].
  • Page 193 9.5 Changing the Graticule Explanation Select the grid or cross scale to display on the screen from the following list of choices. • Grid display • No grid or cross scale display • Cross scale display 9-13 IM 253710-01E...

  • Page 194: Turning On/Off The Scale Display

    Press the [Format] soft key to display the display format selection box. Check that [Format] is set to [Wave], [Numeric+Wave], [Wave+Bar], or [Wave+X-Y] * X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. The following procedures are given with the premise that the display format is set to [Wave].
  • Page 195 9.6 Turning ON/OFF the scale display Explanation You can select whether or not to display (ON/OFF) the upper and lower limits of the vertical axis of each channel and the values at the left and right ends of the horizontal axis (time axis).

  • Page 196: Setting A Label Name For The Waveform

    Setting a Label Name for the Waveform Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT...
  • Page 197 Press the [Format] soft key to display the display format selection box. Check that [Format] is set to [Wave], [Numeric+Wave], [Wave+Bar], or [Wave+X-Y] * X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. The following procedures are given with the premise that the display format is set to [Wave].

  • Page 198: Zooming On The Waveform

    Press the [Format] soft key to display the display format selection box. Check that [Format] is set to [Wave], [Numeric+Wave], [Wave+Bar], or [Wave+X-Y] * X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. The following procedures are given with the premise that the display format is set to [Wave].
  • Page 199 9.8 Zooming on the Waveform Zooming horizontally Selecting the type of zoom display Press the ZOOM key to display the Zoom setting menu. Press the [Mode] soft key to display the menu used to select the type of zoom display. Press one of the soft keys from [Main] to [Z1&Z2] to select the type of zoom display.
  • Page 200 9.8 Zooming on the Waveform Setting the zoom factor Press the [Z1 Mag] and [Z2 Mag] soft keys so that the jog shuttle controls [Z1 mag], [Z2 Mag], or both [Z1 Mag] and [Z2 Mag]. To control both [Z1 Mag] and [Z2 Mag], you must have selected Z1 and Z2 in the previous section, “Selecting the type of zoom display.”...
  • Page 201 9.8 Zooming on the Waveform Explanation Zooming Vertically The displayed waveform of each channel can be expanded or reduced. Select the zoom factor from the following choices. 0.1, 0.2, 0.25, 0.4, 0.5, 0.75, 0.8, 1, 1.14, 1.25, 1.33, 1.41, 1.5, 1.6, 1.77, 2, 2.28, 2.66, 2.83, 3.2, 3.54, 4, 5, 8, 10, 12.5, 16, 20, 25, 40, 50, 100 Zooming Horizontally All selected waveforms can be expanded horizontally (time axis) using two types of...
  • Page 202 9.8 Zooming on the Waveform Selecting the waveform to zoom Select the waveform to zoom from the following choices. CH1 to CH8, Math1, Math2 However, the waveforms that are turned OFF according to the settings described in section 9.1, “Selecting the Channel to Display” cannot be zoomed. Setting the zoom factor •...
  • Page 203 9.8 Zooming on the Waveform Setting the zoom position • When the measurement mode is normal and the time base is set to internal clock, the zoom position is set in units of time. When the time base is set to external clock or when the measurement mode is harmonic, the zoom position is set in units of data point.

  • Page 204: Displaying The Vectors Of The Harmonics

    Displaying the Vectors of the Harmonics «For a functional description, see section 1.6.» This section applies when the measurement mode is set to harmonic measurement. Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC...
  • Page 205 • OFF : Does not display the numerical data. Setting the zoom factor of the vector The size of the vectors can be changed. This is applicable to products (PZ4000) with firmware version 2.01 or later. • The zoom factor can be set in the range from 0.100 to 100.000.
  • Page 206 U1(1) φ1(1), moving them, see “Vector Display of φU1-I1 U3(1) Harmonics” in section 1.6, “Waveform Display.” φU1-I2 (The PZ4000 does not provide a function for φU1-U2 I3(1) moving the vectors.) φU1-I3 I3(1) • The phase difference between the line voltages U2(1) φ3(1)

  • Page 207: Displaying The Bar Graph Of Harmonic Data

    9.10 Displaying the Bar Graph of Harmonic Data «For a functional description, see section 1.6.» This section applies when the measurement mode is set to harmonic measurement. Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE...
  • Page 208 9.10 Displaying the Bar Graph of Harmonic Data • Displaying numerical data and the bar graphs Turn the jog shuttle to select [Numeric+Bar]. Press the SELECT key to confirm the selection. Two bar graphs are displayed. For the procedures related to setting the numerical display, see chapter 8. •...
  • Page 209 9.10 Displaying the Bar Graph of Harmonic Data The following procedures are given with the premise that “Displaying the waveform and the bar graphs” was selected in the previous paragraph. Press the [Bar Setting] soft key to display the Bar menu. Selecting the bar graph to be configured Press the [Bar Item No.] soft key.
  • Page 210 9.10 Displaying the Bar Graph of Harmonic Data Setting the marker position Press the [Bar Marker1+ / Bar Marker2×] soft key to set the jog shuttle control to [Bar Marker1+], [Bar Marker2×], or both [Bar Marker1+] and [Bar Marker2×]. Turn the jog shuttle to set the marker position in terms of harmonic orders. Setting the bar graph display range •...
  • Page 211 U, I, P, S, Q, λ, φ, φU, φI, Z, Rs, Xs, Rp, Xp, Torque * This is applicable to products (PZ4000) with firmware version 2.01 or later when the motor module is installed in the element number 4 slot.

  • Page 212: Displaying The X-Y Waveform

    Press the DISPLAY key to display the Display setting menu. Press the [Format] soft key to display the display format selection box. Displaying the X-Y waveform X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. • Displaying only the X-Y waveform Turn the jog shuttle to select [X-Y].
  • Page 213 9.11 Displaying the X-Y Waveform • Displaying numerical data and X-Y waveform Turn the jog shuttle to select [Numeric+X-Y]. Press the SELECT key to confirm the selection. For the procedures related to setting the numerical display, see chapter 8. • Displaying waveform and X-Y waveform Turn the jog shuttle to select [Wave+X-Y].
  • Page 214 9.11 Displaying the X-Y Waveform The following procedures are given with the premise that “Displaying waveform and X-Y waveform” was selected in the previous section. Press the [X-Y Setting] soft key to display the X-Y menu. Selecting the X-axis (horizontal axis) Press the [X Trace] soft key to display the X-axis selection box.
  • Page 215 ON) on the vertical axis (Y-axis). Simultaneous observation of an X-Y waveform and a normal T-Y waveform (waveform display using time axis and amplitude level). X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. Selecting the display format Select the X-Y display format from the following list of choices: •...
  • Page 216 9.11 Displaying the X-Y Waveform Setting the display interpolation • No interpolation is performed. Displays the X-Y waveform using all sampled data. Thus, if there are many data points within the display range of the X-Y waveform, it will take a long time to display the X-Y waveform. •...

  • Page 217: Chapter 10 Numerical Computations

    Press the [Format] soft key to display the display format selection box. Check that [Format] is set to [Wave], [Numeric+Wave], [Wave+Bar], or [Wave+X-Y] * X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. The following procedures are given with the premise that the display format is set to [Wave].
  • Page 218 10.1 Setting the Measurement/Computation Period, Re-computing Press the MEASURE key to display the Measure setting menu. Press the [Mode] soft key to select [ON]. Press the [Period] soft key to display the period setting menu. Press the [Zero Cross] soft key to select the zero crossing setting. •...
  • Page 219 10.1 Setting the Measurement/Computation Period, Re-computing Setting the period with the cursors This method can be used to set the period in the normal measurement and harmonic measurement modes. For the normal measurement mode carry out steps 3 to 12. For the harmonic measurement mode, carry out steps 7 and 8.
  • Page 220 10.1 Setting the Measurement/Computation Period, Re-computing Setting the period using external trigger Set the measurement mode to normal measurement. For the procedures, see section 5.1, “Selecting the Measurement Mode.” Press the SETUP key to display the Setup menu. Confirm that [Mode] is set to [Normal].
  • Page 221 10.1 Setting the Measurement/Computation Period, Re-computing Re-computing Press the [Measure Exec] soft key to determine all the numerical data over the measurement/computation period set in the previous pages. Explanation The numerical data of the measurement functions can be determined using the sampled data in the measurement/computation period that is set in this section.
  • Page 222 10.1 Setting the Measurement/Computation Period, Re-computing Zero crossing setting The measurement/computation period is set to the period between the first and last points on the screen at which the waveform crosses the zero level (zero crossing) with a positive slope. When there is only one or no positive slope on the screen, the measurement/computation period is set to the entire width of the screen.
  • Page 223 10.1 Setting the Measurement/Computation Period, Re-computing External trigger setting The measurement/computation period is the period defined while the signal applied to the external trigger input connector is in the specified condition (Hi or Lo). External trigger condition Measurement/ Measurement/ This section is not computation computation considered for...

  • Page 224: Selecting The Delta Computation

    10.2 Selecting the Delta Computation «For a functional description, see section 1.7.» This section applies when the measurement mode is set to normal measurement. Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP...
  • Page 225 10.2 Selecting the Delta Computation Explanation In the normal measurement mode, the sum or difference of the instantaneous values (sampled data) of the voltage or current between elements 1, 2, and 3 can be used to determine the measurement functions, ∆U (∆Urms, ∆Umn, ∆Udc ∆Uac), ∆I (∆Irms, ∆Imn, ∆Idc, ∆Iac).
  • Page 226 10.2 Selecting the Delta Computation • Delta>Star Using the data from a three-phase, three-wire system or a three-voltage, three-current system, the various data of a star connection are computed from the data of a delta connection (delta-star transformation). ∆U1(∆Urms1, ∆Umn1, ∆Udc1, ∆Uac1) ∆U2(∆Urms2, ∆Umn2, ∆Udc2, ∆Uac2) ∆U3(∆Urms3, ∆Umn3, ∆Udc3, ∆Uac3) ∆I4(∆Irms4, ∆Imn4, ∆Idc4, ∆Iac4)

  • Page 227: Setting The User-Defined Function

    10.3 Setting the User-Defined Function «For a functional description, see section 1.7.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP...
  • Page 228 10.3 Setting the User-Defined Function Setting the unit Turn the jog shuttle to select [Unit]. Press the SELECT key. A keyboard appears. Use the keyboard to set the unit. For keyboard operation, see section 4.1, “Entering Values and Strings.” Setting the equation Turn the jog shuttle to select [Expression].
  • Page 229 10.3 Setting the User-Defined Function Setting the equation The combination of the measurement function and element number (Urms1, for example) can be used as an operand to create up to four equations (F1 to F4) for each measurement mode (normal and harmonic). There can be up to 16 operands in one equation.
  • Page 230 10.3 Setting the User-Defined Function • During harmonic measurement mode U : U( , ), I : I( , ), P : P( , ), S : S( , ), Q : Q( , ), λ : LAMBDA( , ), φ : PHI( , ), φU : UPHI( , ), φI : IPHI( , ), Z : Z( , ), Rs : RS( , ), Xs : XS( , ), Rp : RP( , ), Xp : XP( , ), Uhdf : UHDF( , ), Ihdf : IHDF( , ), Phdf : PHDF( , ), Uthd : UTHD( ), Ithd : ITHD( ), Pthd : PTHD( ), Uthf : UTHF( ), Ithf : ITHF( ), Utif : UTIF( ),...

  • Page 231: Setting The Equations For Apparent Power And Corrected Power

    10.4 Setting the Equations for Apparent Power and Corrected Power «For a functional description, see section 1.7.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER...
  • Page 232 10.4 Setting the Equations for Apparent Power and Corrected Power Setting the equation for corrected power Press the [Pc Formula] soft key to display the equation setting dialog box for corrected power. • Selecting the applicable standard Turn the jog shuttle to select the standard for [Pc Formula]. Press the SELECT key to select either [IEC76-1(1976), IEEE C57.12.90-1993] or [IEC76-1(1993)].
  • Page 233 10.4 Setting the Equations for Apparent Power and Corrected Power Explanation Selecting the equation for apparent power The apparent power, in the normal measurement mode, can be determined by the product of the voltage and current. There are three types of voltages and currents when measuring in the normal measurement mode.

  • Page 234: Averaging

    10.5 Averaging «For a functional description, see section 1.7.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME...
  • Page 235 10.5 Averaging Explanation The numerical data can be exponentially averaged using the specified attenuation constant. Turning ON/OFF the averaging function Select whether or not to perform the specified averaging function. • OFF : Does not perform the averaging function. • ON : Performs the averaging function. The averaging is performed according to the following equation.

  • Page 236: Selecting The Display Format Of The Phase Difference

    10.6 Selecting the Display Format of the Phase Difference «For a functional description, see section 1.7.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER...
  • Page 237 10.6 Selecting the Display Format of the Phase Difference Explanation Select the display format of the phase difference φ of the voltage and current from the following choices. This is valid during the normal measurement mode. • 180 Lead/Lag With the positive vertical axis set to zero degrees, this format displays φ using 180° notation with a lead indicated by the counter-clock wise direction and a lag by the clockwise direction.

  • Page 238: Setting The Harmonic Orders Under Analysis

    10.7 Setting the Harmonic Orders under Analysis This section applies when the measurement mode is set to harmonic measurement. Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE MISC HELP LOCAL FILE SHIFT COPY NULL MENU...
  • Page 239 10.7 Setting the Harmonic Orders under Analysis Explanation Select the range of harmonic orders that will be used to determine the numerical data of the measurement functions of the harmonic waveform. Selecting the minimum harmonic order under analysis Select from the following choices. •...

  • Page 240: Selecting The Equation For The Distortion Factor

    10.8 Selecting the Equation for the Distortion Factor «For a functional description, see section 1.7.» This section applies when the measurement mode is set to harmonic measurement. Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE...
  • Page 241 10.8 Selecting the Equation for the Distortion Factor Explanation When determining the measurement functions Uhdf, Ihdf, Phdf, Uthd, Ithd, and Pthd of the harmonic measurement mode, select the denominator of the equation from the following choices. See Appendix 2 for the equation. •...

  • Page 242: Chapter 11 Waveform Analysis

    Press the [Format] soft key to display the display format selection box. Check that [Format] is set to [Wave], [Numeric+Wave], [Wave+Bar], or [Wave+X-Y] * X-Y waveform display is applicable to products (PZ4000) with firmware version 2.01 or later. The following procedures are given with the premise that the display format is set to [Wave].
  • Page 243 11.1 Setting the Computation Region, Re-computing • Setting the start point Press the [Start Point / End Point] soft key to set the jog shuttle control to [Start Point]. Turn the jog shuttle to set the start point on the waveform. •...
  • Page 244 11.1 Setting the Computation Region, Re-computing Explanation Select the computation region for performing waveform computations that are described later (see section 11.2), or select the start point for the FFT (see section 11.3). Turning ON/OFF the waveform computation mode Select whether or not to perform waveform computations. •...

  • Page 245: Setting The Equation, Converting The Scale Of The Computed Waveform

    11.2 Setting the Equation, Converting the Scale of the Computed Waveform «For a functional description, see section 1.8.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE MISC HELP LOCAL FILE SHIFT COPY NULL MENU ELEMENTS...
  • Page 246 11.2 Setting the Equation, Converting the Scale of the Computed Waveform Setting the equation Turn the jog shuttle to select [Expression]. Press the SELECT key. A keyboard appears. Use the keyboard to enter the equation. For keyboard operation, see section 4.1, “Entering Values and Strings.” Setting the unit Turn the jog shuttle to select the [Unit].
  • Page 247 Slip waveform Waveform of the motor output FFT(C1) The FFT of the specified waveform (see section 11.3) * Functions TRENDM, TRENDD, TRENDF, SSP, SLIP, and PM are applicable to products (PZ4000) with firmware version 2.01 or later. 11-6 IM 253710-01E...
  • Page 248 On products (PZ4000) with firmware version before 2.01, a coefficient cannot be multiplied to the result of TREND and FFT functions (2∗TREND or 3∗FFT, for example). On products (PZ4000) with firmware version 2.01 or later, a coefficient cannot be multiplied to the result of a FFT function (3∗FFT, for example).

  • Page 249: Performing The Fft

    11.3 Performing the FFT «For a functional description, see section 1.8.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START...
  • Page 250 11.3 Performing the FFT Explanation The power spectrum of the voltage, current, and active power can be displayed by taking the FFT (Fast Fourier Transform). You can check the frequency distribution of the voltage, current, and active power from the result. For example, if the equation is set to FFT(C1) when setting the equation as described in section 11.2, the FFT of CH1 is performed.

  • Page 251: Measuring With The Cursor

    11.4 Measuring with the Cursor «For a functional description, see section 1.8.» Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP...
  • Page 252 11.4 Measuring with the Cursor When [Marker] is Selected Selecting the waveform on which to place the marker • Selecting the waveform on which to place the + marker Press the [Cursor1 Trace] soft key to display the box used to select the waveform on which to place the marker.
  • Page 253 11.4 Measuring with the Cursor Making the marker (+, ×) jump to the center of the waveform display frame Press the [Jump Type] soft key to display the jump selection menu. Press one of the soft keys from [+ to Main] to [× to Z2] to select the marker and the jump destination.
  • Page 254 11.4 Measuring with the Cursor When [Horizontal] is Selected Selecting the waveform on which to place the H cursor Press the [Cursor1 Trace] soft key to display the box used to select the waveform on which to place the H cursor. Turn the jog shuttle to select the waveform from [CH1] to [Math2].
  • Page 255 11.4 Measuring with the Cursor When [Vertical] is Selected Selecting the waveform on which to place the V cursor Press the [Cursor1 Trace] soft key to display the box used to select the waveform on which to place the V cursor. Turn the jog shuttle to select the waveform from [CH1] to [Math2].
  • Page 256 11.4 Measuring with the Cursor When [H & V] is Selected Selecting the waveform on which to place the H and V cursors Press the [Cursor1 Trace] soft key to display the box used to select the waveform on which to place the V cursor. Turn the jog shuttle to select the waveform from [CH1] to [Math2].
  • Page 257 11.4 Measuring with the Cursor Explanation By placing markers or cursors on the displayed waveform, the data defined by that point can be measured and displayed. It can be used to measure the voltage and current for various sections of the waveform or the corresponding horizontal axis (X axis) data. Waveforms that can be measured Select the waveform to be measured using the cursor from the following choices.
  • Page 258 11.4 Measuring with the Cursor • H&V cursor (H&V) H cursors (Cursor1, Cursor2) and V cursors (Cursor3, Cursor4) are displayed. The X-axis values and Y-axis values of each cursor can be measured. The four cursors are set on the same waveform. Y1 : Y-axis value of Cursor1 Y2 : Y-axis value of Cursor2 ∆Y : The difference between the Y-axis values of Cursor1 and Cursor2...
  • Page 259 11.4 Measuring with the Cursor Movement range of the marker • The markers move along the selected waveform. When the measurement mode is normal and the time base is set to internal clock, the marker can be moved in the range from 0 s (the left end of the screen) to the observation time (the right end of the screen).
  • Page 260 11.4 Measuring with the Cursor Making the marker jump inside the main or zoom waveform display frame When displaying the zoomed waveform or when the display record length is shorter than the record length, the marker sometimes goes out of the waveform display frame.

  • Page 261: Chapter 12 Saving And Loading The Data

    Chapter 12 Saving and Loading the Data 12.1 Precautions on the Use of the Floppy Drive Floppy Disks that can be Used The following types of 3.5-inch floppy disks can be used. The floppy disk can be formatted using the instrument. •...

  • Page 262: Connecting Scsi Devices

    For general handling precautions for the connected SCSI device, see the instruction manual that is provided with the device. *1 “5” for products (PZ4000) with firmware version before 2.01. *2 “10GB” for products (PZ4000) with firmware version before 2.01. Note When connecting multiple SCSI devices in a chain, attach a SCSI terminator to the device at the other end of the chain.

  • Page 263: Changing The Scsi Id Number

    12.3 Changing the SCSI ID Number Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT •...
  • Page 264 SCSI device PZ4000 Note Note that the PZ4000 will not operate properly, if the PZ4000 is connected directly to a PC via SCSI cable without going through a SCSI device. About the files created using the PZ4000 over the SCSI connection In some cases, the PC will not recognize a new file that is created by the PZ4000 on the SCSI device while the PZ4000, SCSI device, and PC are connected.

  • Page 265: Formatting The Disk

    12.4 Formatting the Disk Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT •...
  • Page 266 12.4 Formatting the Disk Selecting the medium to be formatted Press the [Format] soft key. A list of media is displayed in the File List dialog box. Turn the jog shuttle to select the medium to be formatted. If no external SCSI devices are identified and a floppy disk is inserted in the floppy disk drive, only [FD0] is displayed.
  • Page 267 • Selecting the number of partitions Turn the jog shuttle to select the number from [1] to [10] * “5” for products (PZ4000) with firmware version before 2.01. • Selecting the format type Press the [Format Type] soft key to select [Normal] or [Quick].
  • Page 268 12.4 Formatting the Disk Explanation CAUTION • Never remove the medium (disk) or turn OFF the power while the access indicator or the mark is blinking. It can damage the medium or destroy the data on the medium. • When the instrument cannot read a pre-formatted medium, reformat the medium on the instrument.
  • Page 269 “Normal” format. If you want to format a disk that you have been using before, do a “Quick” format. • On products (PZ4000) with firmware version 2.01 or later, quick format of DVD-RAM is possible. Physical format (Normal) is not possible. 12-9...

  • Page 270: Saving And Loading Setup Parameters

    12.5 Saving and Loading Setup Parameters Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT •...
  • Page 271 12.5 Saving and Loading Setup Parameters Saving the Setup Parameters Press the [Save] soft key to display the save setting menu. Selecting the destination medium Press the [File List] soft key to display the File List dialog box. Turn the jog shuttle to select the destination medium (displayed with [ ]). Press the SELECT key to confirm the selection.
  • Page 272 12.5 Saving and Loading Setup Parameters Saving the file Press the [Save Exec] soft key to save the file to the directory indicated in [Path=..]. The name of the [Save Exec] soft key changes to [Abort]. Canceling the saving operation Press the [Abort] soft key to cancel the save operation.
  • Page 273 12.5 Saving and Loading Setup Parameters Loading the Setup Parameters. Press the [Load] soft key to display the load setting menu and the File List dialog box. Selecting the source medium Turn the jog shuttle to select the source medium (displayed with [ ]). Press the SELECT key to confirm the selection.
  • Page 274 12.5 Saving and Loading Setup Parameters Specifying the file to be displayed in the File List dialog box The procedures are the same as “Specifying the file to be displayed in the File List dialog box” on page 12-12. Viewing the properties The procedures are the same as “Viewing the properties”...
  • Page 275 12.5 Saving and Loading Setup Parameters Specifying the files to display in the File List dialog box You can specify the type of files to display. • Item Displays only setup parameter files. • All Displays all files on the medium. Properties Lists the file name, extension, file size, the date it was saved, the attribute, and the comment for the selected file.

  • Page 276: Saving And Loading Waveform Data

    12.6 Saving and Loading Waveform Data Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT •...
  • Page 277 12.6 Saving and Loading Waveform Data Saving the Waveform Data Selecting the data type Press the [Data Type] soft key to display the data type selection menu. Press one of the keys from [Binary] to [Float] to select the data type. * Only the data that are saved in [Binary] can be loaded as described later.
  • Page 278 12.6 Saving and Loading Waveform Data Selecting the range of the waveform to be saved Press the [Range] soft key to display the save range selection menu. Press one of the soft keys from [Main] to [Z2] to select the range of the waveform to be saved.
  • Page 279 12.6 Saving and Loading Waveform Data Loading the Waveform Data Set the data type to [Binary]. For the procedures, see steps 4 and 5 in the paragraph “Saving the Waveform Data.” Check that the [Data Type] is set to [Binary]. Press the [Load] soft key to display the load setting menu and the File List dialog box.
  • Page 280 12.6 Saving and Loading Waveform Data Explanation CAUTION Never remove the medium (disk) or turn OFF the power while the access indicator or the mark is blinking. It can damage the medium or destroy the data on the medium. Selecting the data type, file extension, data size Select the data type from the following list of choices.
  • Page 281 12.6 Saving and Loading Waveform Data Selecting the range of the waveform to be saved Select the range (region) of the waveform from the following choices. The only data that can be loaded are those data that are saved by specifying [Binary] in “Selecting the data type, file extension, data size”...

  • Page 282: Saving Numerical Data

    12.7 Saving Numerical Data Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT •...
  • Page 283 12.7 Saving Numerical Data Selecting the data type Press the [Data Type] soft key to display the data type selection menu. Press the [ASCII] or [Float] soft key to select the data type. Selecting the numerical data to be saved (The menu appears during the harmonic measurement mode.
  • Page 284 12.7 Saving Numerical Data • Selecting the element Turn the jog shuttle to select the desired element from [Element1] to [Element4]. [Element4] cannot be selected when the motor module is installed in the element number 4 slot. Press the SELECT key. When the button to the left of the element in the numerical data selection dialog box is highlighted, the numerical data of that element will be saved.
  • Page 285 12.7 Saving Numerical Data Selecting the destination medium and directory The procedures are the same as “Selecting the destination medium” and “Selecting the destination directory” in section 12.5. Setting the file name and comment The procedures are the same as “Setting the file name and comment” in section 12.5.
  • Page 286 12.7 Saving Numerical Data Explanation CAUTION Never remove the medium (disk) or turn OFF the power while the access indicator or the mark is blinking. It can damage the medium or destroy the data on the medium. Selecting the data type, file extension, data size Select the data type from the following list of choices.
  • Page 287 Rp, Xp, Torque , and Σ List (all Σfunctions). * This is applicable to products (PZ4000) with firmware version 2.01 or later when the motor module is installed in the element number 4 slot. • The numerical data of the measurement functions, fU (or fI), Uthd, Ithd, Pthd, Uthf, Ithf, Utif, Itif, hvf, and hcf, are saved regardless of the selection made in the previous section.

  • Page 288: Changing The File Attribute, Deleting Files

    12.8 Changing the File Attribute, Deleting Files Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT...
  • Page 289 12.8 Changing the File Attribute, Deleting Files Selecting the medium and directory The procedures are the same as “Selecting the source medium” and “Selecting the source directory” in section 12.5. Changing the file attribute Turn the jog shuttle to select a file Press the [Attribute] soft key.
  • Page 290 12.8 Changing the File Attribute, Deleting Files Selecting all files to be deleted Turn the jog shuttle to select a file, directory, or a medium. Press the [All Set] soft key. Depending on whether a file, directory or medium is selected before pressing the [All Set] key, the [∗] marks are either displayed to the left of the directory containing the selected file and all files in that directory, displayed next to the selected directory and all files in that directory, or...
  • Page 291 12.8 Changing the File Attribute, Deleting Files Explanation CAUTION Never remove the medium (disk) or turn OFF the power while the access indicator or the mark is blinking. It can damage the medium or destroy the data on the medium. Selecting the medium and directory See the explanation given in “Selecting the medium and directory”...
  • Page 292 12.8 Changing the File Attribute, Deleting Files Properties See the explanation given in “Properties” in section 12.5. Note • You cannot delete files while data acquisition is in progress (START/STOP indicator is ON). • Deleted data cannot be recovered. Make sure not to erase the wrong files. •...

  • Page 293: Copying Files

    12.9 Copying Files Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT •...
  • Page 294 12.9 Copying Files Selecting the source medium and directory The procedures are the same as “Selecting the source medium” and “Selecting the source directory” in section 12.5. Changing the file attribute The procedures are the same as “Changing the file attribute” in section 12.8. Selecting the source file one at a time Turn the jog shuttle to select a file.
  • Page 295 12.9 Copying Files Selecting the copy destination Press the [Dest Dir] soft key to display the copy execution menu and the copy destination file list dialog box. Selecting the destination medium and directory The procedures are the same as “Selecting the destination medium” and “Selecting the destination directory”...
  • Page 296 12.9 Copying Files Explanation CAUTION Never remove the medium (disk) or turn OFF the power while the access indicator or the mark is blinking. It can damage the medium or destroy the data on the medium. Selecting the medium and directory of the copy source and copy destination See the explanation given in “Selecting the medium and directory”...

  • Page 297: Changing The Directory/File Name, Creating A Directory

    12.10 Changing the Directory/File Name, Creating a Directory Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE...
  • Page 298 12.10 Changing the Directory/File Name, Creating a Directory Changing the Directory/File Name Press the [Rename] soft key to display the rename menu. Selecting the medium/directory The procedures are the same as “Selecting the source medium” and “Selecting the source directory” in section 12.5. Changing the file attribute The procedures are the same as “Changing the file attribute”...
  • Page 299 12.10 Changing the Directory/File Name, Creating a Directory Creating a Directory Press the [MakeDir] soft key to display the menu for creating a directory. Selecting the medium and directory The procedures are the same as “Selecting the source medium” and “Selecting the source directory”...
  • Page 300 12.10 Changing the Directory/File Name, Creating a Directory Explanation CAUTION Never remove the medium (disk) or turn OFF the power while the access indicator or the mark is blinking. It can damage the medium or destroy the data on the medium. Selecting the medium and directory See the explanation given in “Selecting the medium and directory”...

  • Page 301: Chapter 13 Outputting Screen Image Data

    (Option), Paper Feeding Paper Roll for Printing The printer uses a dedicated roll of paper provided by YOKOGAWA. Do not use any other type of paper roll. When using the printer for the first time, use the roll of paper that is included in the package.
  • Page 302 13.1 Installing the Paper Roll into the Built-in Printer (Option), Paper Feeding Installing the Paper Roll Open the printer cover by pulling up on the handle on the left side of the printer while pressing the lock release lever towards the arrow indicated by “OPEN.” Printer cover Handle Lock release lever...
  • Page 303 13.1 Installing the Paper Roll into the Built-in Printer (Option), Paper Feeding Move the release arm to the “Free” position and straighten the roll chart. Then, move the release arm to the “HOLD” position. If the release arm is not in the “HOLD”...
  • Page 304 13.1 Installing the Paper Roll into the Built-in Printer (Option), Paper Feeding Paper Feeding Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER...

  • Page 305: Printing To The Built-In Printer (Option)

    13.2 Printing to the Built-in Printer (Option) Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT...
  • Page 306 Press the COPY key to print the screen image. • Canceling the printing operation Press the [Abort] soft key in the Copy setting menu. Outputting numerical data lists (applicable to products (PZ4000) with firmware version 2.01 or later) • Outputting the list Press the START/STOP key to stop the data acquisition.
  • Page 307 All characters (including spaces) Outputting numerical data list Outputs the numerical data according to the specified number of displayed digits (see section 8.1). This is applicable to products (PZ4000) with firmware version 2.01 or later. • Data list of normal measurement •...

  • Page 308: Printing To An External Centronics Printer

    13.3 Printing to an External Centronics Printer Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT...
  • Page 309 13.3 Printing to an External Centronics Printer Select whether or not to print in color (ON/OFF) (This step applies if you selected [ESC-P], [ESC-P2], [BJ], or [PCL5] in step 5.) Press the [Color] soft key to select [ON] or [OFF]. Setting comment Press the [Comment] soft key.
  • Page 310 13.3 Printing to an External Centronics Printer Explanation You can send the screen image data to an external printer via the Centronics interface. CAUTION Use a 25-pin D-Sub cable for connecting the external printer and this instrument. If the cable is not connected properly, damage to this instrument and to other connected devices may result.

  • Page 311: Saving Screen Images To Floppy Disk And Scsi Device

    13.4 Saving Screen Images to Floppy Disk and SCSI Device Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT...
  • Page 312 13.4 Saving Screen Images to Floppy Disk and SCSI Device Selecting the data format Press the [Format] soft key to display the data format selection menu. Press one of the keys from [TIFF] to [Post Script] to select the data format. If you select [TIFF] or [BMP], go to step 9.
  • Page 313 13.4 Saving Screen Images to Floppy Disk and SCSI Device Explanation The screen image can be saved to a floppy disk or to a SCSI device. Selecting the destination medium and directory. See the explanation given in “Selecting the medium and directory” in section 12.5. Selecting the data format, file extension, and data size Select the data format from the following list of choices.

  • Page 314: Chapter 14 External Trigger Output And Other Operations

    Chapter 14 External Trigger Output and Other Operations 14.1 External Trigger Output CAUTION Do not apply an external voltage to the external trigger output connector. It may damage the instrument. Trigger output terminal A CMOS level signal is output when a trigger occurs. The level is normally high, but goes low when a trigger occurs.

  • Page 315: Selecting The Message Language/Setting The Brightness Of The Screen

    14.2 Selecting the Message Language/Setting the Brightness of the Screen Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT...
  • Page 316 14.2 Selecting the Message Language/Setting the Brightness of the Screen Explanation Selecting the message language An error message is displayed when an error occurs. Select the language to use to display the message from the following choices. The error codes for the error messages are the same.

  • Page 317: Setting The Display Colors Of The Screen

    14.3 Setting the Display Colors of the Screen Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE...
  • Page 318 14.3 Setting the Display Colors of the Screen Setting the color of graphical items • Selecting default or user Press the [Graph Color] soft key to display the graphics color setting menu. Turn the jog shuttle to set the [Mode] to [Default] or [User]. •...
  • Page 319 14.3 Setting the Display Colors of the Screen Setting the text color • Selecting preset or user Press the [Text Color] soft key to display the text color setting menu. Turn the jog shuttle to select the [Mode] from [Preset1] to [User]. •...
  • Page 320 14.3 Setting the Display Colors of the Screen Setting the text color Select the text color from presets 1 to 3 or the user setting. For the user setting, the display color can be set on the following items. • Menu Fore Sets the color of the menu, diglog box, window, and other text that is displayed on the screen.

  • Page 321: Setting The Action-On-Trigger

    • To exit the menu during operation, press the ESC key. Procedure Press the MISC key to display the Misc menu. Press the [Next 1/2] soft key to display the [Next 2/2] menu. * Action-on-trigger is applicable to products (PZ4000) with firmware version 2.01 or later.) 14-8 IM 253710-01E...
  • Page 322 14.4 Setting the Action-on-Trigger Turning ON/OFF the action used to save the numerical data, waveform data, and setup parameters Press the [Save to File] soft key to select [ON] or [OFF]. Turning ON/OFF the action used to output (or save) the screen image data Press the [Hard Copy] soft key to select [ON] or [OFF].
  • Page 323 14.4 Setting the Action-on-Trigger Explanation You can have a specified action to be carried out when a trigger occurs. Saving the numerical data, waveform data, and setup parameters You can select whether or not to save the data specified in chapter 12 (numerical data, waveform data, or setup parameters) when a trigger occurs.

  • Page 324: Chapter 15 Motor Evaluation Function (Applicable To Motor Modules)

    Signals from revolution sensors and torque meters can be input to channels 7 and 8 of the PZ4000. For revolution sensors, the signal is the DC voltage (analog signal) or the pulse count that are proportional to the rotating speed of the motor. For torque meters, it is the DC voltage (analog signal) that is proportional to the torque of the motor.
  • Page 325 15.1 Inputting Signals of rotating speed and Torque Precautions when displaying the measurement functions of the motor module in the harmonic measurement mode For the meanings of the measurement function symbols used in the explanation below, see section 15.2 and the following sections or appendix 2. •...

  • Page 326: Setting The Input Range Of Revolution Sensor And Torque Meter Signals

    Press the [Motor Module] soft key to display the motor module setting dialog box. On products (PZ4000) with firmware version before 2.01, only the [Power Module] soft key appears and you cannot set the motor module. In addition, if the motor module is not installed in the element number 4 slot, the [Motor Module] menu does not appear.
  • Page 327 15.2 Setting the Input Range of Revolution Sensor and Torque Meter Signals Selecting the input range of the torque meter signal Turn the jog shuttle to select [Range] under Torque(Ch8). Press the SELECT key to display the input range selection box. Turn the jog shuttle to select the range from [50Vpk] to [1Vpk] and [Auto].
  • Page 328 Menu Press the CH7 key to display the channel setting menu. On products (PZ4000) with firmware version before 2.01 or when the motor module is not installed in the element number 4 slot, the revolution sensor input range setting menu does not appear.
  • Page 329 Setting the Input Range of the Torque Meter Signal Using the Channel Setting Menu Press the CH8 key to display the channel setting menu. On products (PZ4000) with firmware version before 2.01 or when the motor module is not installed in the element number 4 slot, the torque meter input range setting menu does not appear.
  • Page 330 15.2 Setting the Input Range of Revolution Sensor and Torque Meter Signals Selecting the frequency input range of the revolution sensor signal The selection made here takes effect when the revolution sensor signal type is set to [Pulse]. Two types of range settings are available: fixed range and auto range. •...
  • Page 331 15.2 Setting the Input Range of Revolution Sensor and Torque Meter Signals Selecting the input range of the torque meter signal Two types of range settings are available: fixed range and auto range. • Fixed range Select from the following input ranges: 50Vpk, 20Vpk, 10Vpk, 5Vpk, 2Vpk, and 1Vpk.

  • Page 332: Selecting The Input Filter

    Press the [Motor Module] soft key to display the motor module setting dialog box. On products (PZ4000) with firmware version before 2., only the [Power Module] soft key appears and you cannot set the motor module. In addition, if the motor module is not installed in the element number 4 slot, the [Motor Module] menu does not appear.
  • Page 333 15.3 Selecting the Input Filter Explanation The following two types of filters are available on the motor module. Selecting the line filter This filter is inserted into the circuit (CH7 and CH8) that measures the revolution sensor and torque meter signals. It eliminates harmonic noise. The cutoff frequency can be selected from the list of choices below.

  • Page 334: Setting The Scaling Factor, The Pulse Count, And Unit Used To Measure The Rotating Speed

    Press the [Motor Module] soft key to display the motor module setting dialog box. On products (PZ4000) with firmware version before 2.01, only the [Power Module] soft key appears and you cannot set the motor module. In addition, if the motor module is not installed in the element number 4 slot, the [Motor Module] menu does not appear.
  • Page 335 15.4 Setting the Scaling Factor, the Pulse Count, and Unit Used to Measure the rotating speed Setting the pulse count per rotation when the revolution sensor signal type is set to [Pulse] Turn the jog shuttle to select [Pulse N]. Press the SELECT key to display the pulse count setting box.
  • Page 336 15.4 Setting the Scaling Factor, the Pulse Count, and Unit Used to Measure the rotating speed Explanation Setting the scaling factor You can specify the scaling factor used to transform the revolution sensor signal. Select the scaling factor in the range from 0.0001 to 99999.9999. •...

  • Page 337: Setting The Scaling Factor And Unit Used To Measure The Torque

    Press the [Motor Module] soft key to display the motor module setting dialog box. On products (PZ4000) with firmware version before 2.01, only the [Power Module] soft key appears and you cannot set the motor module. In addition, if the motor module is not installed in the element number 4 slot, the [Motor Module] menu does not appear.
  • Page 338 15.5 Setting the Scaling Factor and Unit Used to Measure the Torque Setting the unit of torque Turn the jog shuttle to select [Unit] under Torque(Ch8). Press the SELECT key. A keyboard appears. Use the keyboard to set the unit. For keyboard operation, see section 4.1, “Entering Values and Strings.”...

  • Page 339: Setting The Motor's Number Of Poles Used To Compute The Synchronous Speed And The Slip

    Press the [Motor Module] soft key to display the motor module setting dialog box. On products (PZ4000) with firmware version before 2.01, only the [Power Module] soft key appears and you cannot set the motor module. In addition, if the motor module is not installed in the element number 4 slot, the [Motor Module] menu does not appear.
  • Page 340 15.6 Setting the Motor’s Number of Poles Used to Compute the Synchronous Speed and the Slip Setting the frequency measurement source (input channel for the voltage or current supplied by the motor) Turn the jog shuttle to select [Sync Speed Source]. Press the SELECT key to display the frequency measurement source setting box.

  • Page 341: Setting The Scaling Factor And Unit Used To Compute The Motor Output

    Press the [Motor Module] soft key to display the motor module setting dialog box. On products (PZ4000) with firmware version before 2.01, only the [Power Module] soft key appears and you cannot set the motor module. In addition, if the motor module is not installed in the element number 4 slot, the [Motor Module] menu does not appear.
  • Page 342 15.7 Setting the Scaling Factor and Unit Used to Compute the Motor Output Setting the unit of motor output Turn the jog shuttle to select [Unit] under Pm. Press the SELECT key. A keyboard appears. Use the keyboard to set the unit. For keyboard operation, see section 4.1, “Entering Values and Strings.”...

  • Page 343: Computing The Motor Efficiency And Total Efficiency

    From the active power measured by the power measurement module and the motor output determined in section 15.7, the PZ4000 can compute the motor efficiency (ratio of the motor output versus the power consumption by the motor) and total efficiency (ratio of the motor output versus the power consumption by the motor as well as the converter through which power is fed to the motor).
  • Page 344 15.8 Computing the Motor Efficiency and Total Efficiency When the Converter Input Is a Single-Phase Two-Wire System (1P2W) and the Motor Input Is a Three-Phase Three-Wire System (3P3W) • Wire the motor input to elements 1 and 2 and the converter input to element 3. •...

  • Page 345: Chapter 16 Troubleshooting, Maintenance, And Inspection

    Chapter 16 Troubleshooting, Maintenance, and Inspection 16.1 Troubleshooting Troubleshooting • For the appropriate corrective actions when a message appears on the screen, see the following pages. • If servicing is required or if the instrument does not operate properly after taking the following corrective actions, contact your dealer.

  • Page 346: Error Messages And Corrective Actions

    16.2 Error Messages and Corrective Actions Error Messages There are cases in which error messages are displayed on the screen during operation. This section describes the meanings of the messages and the appropriate corrective actions. The messages can be displayed in English or Japanese (see section 15.2). If the corrective action indicates servicing, contact your dealer for repairs.

  • Page 347: Specifications

    16.2 Error Messages and Corrective Actions Codes Messages Actions Sections Cannot find ‘.HDR’ file. Check the file. 12.6 Cannot find ‘.INF’ file. Check the file. — No ch is displayed. Turn ON the display of the appropriate channel. Save data not found. Check for presence of data.
  • Page 348 16.2 Error Messages and Corrective Actions Codes Messages Actions Sections Cannot change this parameter when either Turn OFF both MATH1 and MATH2. 11.2 MATH1 or MATH2 is ON. Cannot change this parameter during — — numerical display. Cannot change this parameter during —...

  • Page 349: Performing A Self-Test

    16.3 Performing a Self-test Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT •...
  • Page 350 16.3 Performing a Self-test Testing the memory Press the [Memory Test] soft key to display the memory selection menu. Press one of the soft keys from [System] to [VRAM] to select the memory. Press the [Test Exec] soft key to execute the test. Testing the keys and the keyboard •...
  • Page 351 16.3 Performing a Self-test Explanation Testing the memory Tests whether or not the internal ROM or RAM is operating correctly. If [Pass] is displayed, it is operating correctly. If [Failed] is displayed, contact your dealer. Testing the keys and the keyboard •...

  • Page 352: Checking The System Conditions

    16.4 Checking the System Conditions Keys CONFIGURATION TRIG’ D SETUP INPUT MEASURE TRIGGER E S C DISPLAY MATH CURSOR ZOOM REMOTE FILE MISC HELP LOCAL SHIFT COPY NULL MENU ELEMENTS FILTER FILTER FILTER FILTER SINGLE START/STOP START ABORT OBSERVATION TIME VOLTAGE CURRENT •...

  • Page 353: Replacing The Power Fuse

    16.5 Replacing the Power Fuse WARNING • To prevent the possibility of fire, use only a fuse having the specified rating (voltage, current, and type). • Make sure to turn OFF the instrument and unplug the power cord before replacing the fuse. •...

  • Page 354: Recommended Replacement Parts

    16.6 Recommended Replacement Parts The three-year warranty applies only to the main unit of the instrument (starting from the day of delivery) and does not cover any other items nor expendable items (items which wear out). The replacement period for expendable items varies depending on the conditions of use.

  • Page 355: Chapter 17 Specifications

    Chapter 17 Specifications 17.1 Input Item Specification Input type Plug-in input Number of slots Maximum record length 100 k word/CH 1 M word/CH (option) 4 M word/CH (option) 17.2 Display Item Specification Display 6.4" color TFT LCD monitor Display resolution of entire 640 (H) × 480 (V) dots screen* Display resolution 501 (H) ×...

  • Page 356: Measurement Function (Measurement Item)

    17.4 Measurement Function (Measurement Item) Measurement function in the normal measurement mode Measurement functions that are determined for each element (power measurement module). (For details related to the determination of and the equations of measurement functions, see “Appendix 2.”) Item Symbol and Meaning Voltage (V) Urms : true rms value, Umn : rectified mean value calibrated to the rms value, Udc : simple average,...
  • Page 357 17.4 Measurement Function (Measurement Item) Measurement function of the motor module (For details related to the determination and equations of measurement functions, see “Chapter 15.”) Motor modules can be used on only products (PZ4000) with firmware version 2.01 or later. Item Symbol and Meaning Rotating speed Speed: Motor’s rotating speed...
  • Page 358 17.4 Measurement Function (Measurement Item) Measurement function in the harmonic measurement mode Measurement functions that are determined for each element (power measurement module). (For details related to the determination of and the equations of measurement functions, see “Appendix 2.”) Item Symbol and Meaning Voltage (V) U(k) : rms value of the harmonic voltage of order k...
  • Page 359 (2nd to the upper limit). The DC component can also be included. Measurement function of the motor module (For details related to the determination and equations of measurement functions, see “Chapter 15.”) Motor modules can be used on only products (PZ4000) with firmware version 2.01 or later. Item Symbol and Meaning Rotating speed Speed: Motor’s rotating speed...

  • Page 360: Functions

    Select one or two from 1P2W (single-phase two-wire), 1P3W (single-phase three-wire), 3P3W (three-phase three-wire), 3V3A (three-voltage, three-current), and 3P4W (three-phase four-wire). Motor Evaluation This is applicable to products (PZ4000) with firmware version 2.01 or later when the motor module is installed in the element number 4 slot. Item...
  • Page 361 17.5 Functions Trigger Item Specification Edge trigger Trigger mode Select from OFF, auto, auto level, normal, HF auto, and HF normal. Trigger source Select from CH1 to CH8, and Ext (external trigger input). Trigger level • When the trigger source is CH1 to CH8 : Set the level in terms of a percentage (±100%) from the center of the screen.

  • Page 362: Vector Display Of Harmonics

    17.5 Functions Vector/Bar Graph Displays Item Specification Vector display Applicable during the harmonic measurement mode. Displays vectors of the phase difference of the fundamental signals. Bar graph display Applicable during the harmonic measurement mode. Displays the bar graph of the amplitude of each harmonic.

  • Page 363: Fft

    17.5 Functions Harmonic Measurement Item Specification Method PLL synchronization method Frequency range Fundamental frequency between 20 Hz and 6.4 kHz. Measurement function See section 17.4 “Measurement Functions.” Record length Same as for the normal measurement mode. Number of points for the 8192.

  • Page 364: External Trigger I/O Section

    17.6 External Trigger I/O Section Item Specification External trigger input Connector type : BNC connector (EXT TRIG IN) Input level : CMOS Minimum pulse width : 1 µs Logic : (rising edge), (falling edge), (rising/falling edge) Trigger delay time : Within (2 µs + 1 sampling period) External trigger output Connector type : BNC connector (EXT TRIG OUT)

  • Page 365: Serial (Rs-232) Interface

    HD drive : MS-DOS ver3.3 or later, or SCSI HD drive that can be formatted using EZ-SCSI. supported MO drive : 128/230/640 MB drive, MO medium uses semi-IBM format. ZIP drive PD drive * For further information, please contact your nearest YOKOGAWA dealer. 17.12 Built-in Printer (Option) Item Specification Printing system...

  • Page 366: General Specifications

    17.13 General Specifications Item Specification Standard operating Ambient temperature : 23±3°C conditions Ambient humidity : 50±10% RH Power voltage and frequency : Less than 5% of the rated voltage/frequency After performing zero level compensation after the warm-up time (at least 30 min.) has passed. Operating conditions Temperature : 5 to 40°C Humidity : 20 to 85% RH when not using the printer, 35 to 80% RH when using the printer.
  • Page 367 *1 Emission, immunity and safety standards apply to products having the CE Mark. For all other products, please contact your nearest YOKOGAWA representative as listed on the back cover of this manual. *2 Overvoltage Categories define transient overvoltage levels, including impulse withstand voltage levels. Overvoltage Category I: Applies to equipment supplied with electricity from a circuit containing an overvoltage control device.

  • Page 368: External Dimensions (253710)

    17.14 External Dimensions (253710) Unit : mm Rear Panel Current input protective cover Dimensions with the JIS rack mount kit ±1 Mounting surface Dimensions with the EIA rack mount kit 481.1 ±0.4 Mounting surface Unless otherwise specified, tolerance is ±3% (however, tolerance is ±0.3 mm when below 10 mm). 17-14 IM 253710-01E...

  • Page 369: Power Measurement Module (253752)

    17.15 Power Measurement Module (253751) Item Specification Number of input channels 2 Voltage : 1 Current : 1 (Select Direct input (5 A) terminal or current sensor input connector) Insulation resistance Between voltage input terminals and case : 50 MΩ or more at 500 VDC Between current input terminals and case : 50 MΩ...
  • Page 370 17.15 Power Measurement Module (253751) Item Specification Current input Input terminal type Direct input : large binding post Current sensor input : BNC connector Input format Floating input, shunt input method Input impedance Direct input (5 A) Input resistance : Approx. 100 mΩ Input reactance : Approx.
  • Page 371 17.15 Power Measurement Module (253751) Item Specification Voltage and current Conditions accuracy • Within 3 months after calibration • Standard operating conditions • Input signal : Sine wave • Common mode voltage : 0 V • Input signal is 5 cycles or less and there are 10 k-words of sampled data or more within the observation time.
  • Page 372 17.15 Power Measurement Module (253751) Item Specification Power accuracy Conditions • Within 3 months after calibration • Standard operating conditions • Power factor : 1 • Input signal : Sine wave • Common mode voltage : 0 V • Input signal is 5 cycles or less and there are at least 10 k-words of sampled data within the observation time.
  • Page 373 17.15 Power Measurement Module (253751) Item Specification (Power accuracy continued) Temperature coefficient Add 0.01% of reading/°C in the range from 5 to 20°C or 26 to 40°C. However, only when the input signal is 10 kHz or less. Other • Designed value for frequencies less than or equal to 10 Hz in the table on the previous page.
  • Page 374 17.16 Power Measurement Module (253752) Item Specification Number of input channels 2 Voltage : 1 Current : 1 (Select from Direct input terminal (5 A), Direct input terminal (20 A), and current sensor input connector). Insulation resistance Between voltage input terminals and case : 50 MΩ or more at 500 VDC Between current input terminals and case : 50 MΩ...
  • Page 375 17.16 Power Measurement Module (253752) Item Specification Current input Input terminal type Direct input : large binding post Current sensor input : BNC connector Input format Floating input, shunt input method Input impedance Direct input (5 A) Input resistance : Approx. 100 mΩ Input reactance : Approx.
  • Page 376 17.16 Power Measurement Module (253752) Item Specification Voltage and current Conditions accuracy • Within 3 months after calibration • Standard operating conditions • Input signal : Sine wave • Common mode voltage : 0 V • Input signal is 5 cycles or less and there are 10 k-words of sampled data or more within the observation time.
  • Page 377 17.16 Power Measurement Module (253752) Item Specification Power accuracy Conditions • Within 3 months after calibration • Standard operating conditions • Power factor : 1 • Input signal : Sine wave • Common mode voltage : 0 V • Input signal is 5 cycles or less and there are at least 10 k-words of sampled data within the observation time.
  • Page 378 17.16 Power Measurement Module (253752) Item Specification (Power accuracy continued) Temperature coefficient Add 0.01% of reading/°C in the range from 5 to 20°C or 26 to 40°C. However, only when the input signal is 10 kHz or less. Other • Designed value for frequencies less than or equal to 10 Hz in the table on the previous page.

  • Page 379: Motor Module (253771)

    17.17 Motor Module (253771) Item Specification Connector type BNC connector Input format Floating input, resistive voltage divider Input impedance Input resistance: Approx. 1 MΩ, Input capacitance: Approx. 17 pF Insulation Resistance Between voltage input terminals and case: 10 MΩ or more at 500 VDC Withstanding voltage Between voltage input terminals and case: 3700 VAC (50/60 Hz) for one minute Weight...
  • Page 380 17.17 Motor Module (253771) Item Specification External Dimensions Unit : mm Attachment surface 17-26 IM 253710-01E...
  • Page 381 Appendix Appendix 1 Relationship between the Observation Time, Sampling Rate, and Record length The relationship between the observation time, sampling rate, and record length when the time base is set to internal clock are shown below. When the time base is set to external clock, the observation time is determined from the record length and the frequency of the external clock.
  • Page 382 Appendix 1 Relationship between the Observation Time, Sampling Rate, and Record length When the record length is divided (When [Rec Division] of the Acq menu is set to [ON]) Record Length 100 k 1 M (Option) 4 M (Option) Observation Sampling Display Sampling...
  • Page 383 Appendix 1 Relationship between the Observation Time, Sampling Rate, and Record length For Harmonic Measurement Mode The record length that appears in the tables below can be selected from 100, 1 M (option), 4 M (option) When the record length is not divided (When [Rec Division] of the Acq menu is set to [OFF]) Fundamental Sampling...

  • Page 384: Measurement Functions

    (Udc Idc) • Can combine rms, mn, and dc. See section 10.4. On products (PZ4000) with firmware version 2.01 or later, Reactive power Q [var] – P a “-” sign is attached when the phase is leading. Power factor λ...
  • Page 385 Appendix 2 Symbols and Determination of Measurement Functions Measurement Functions in the Harmonic Measurement Mode & the Motor Evaluation (Table 1/2) Determination, Equation Measurement Functions in the The characters/values inside the ( ) of the measurement function Harmonic Measurement Mode &...
  • Page 386 (Sync Speed Source) are set to the same channel. • Apparent power (S) or reactive power (Q) of the PZ4000’s harmonic measurement mode may differ from the measured values of the PZ4000’s normal measurement mode or those of other instruments that use different measurement principles. (Table 2/2)
  • Page 387 Appendix 2 Symbols and Determination of Measurement Functions ΣFunction The table below shows the case when elements 1 and 2 or 1, 2, and 3 are configured using the wiring method in the table. If elements 2 and 3 or elements 3 and 4 are configured using the wiring method 1P3W or 3P3W in the table, replace element numbers 1 and 2 in the equation with 2 and 3 or 3 and 4, respectively.
  • Page 388 Appendix 3 Determination of Delta Computation Delta Computation Menu, Sampled Data, Symbols Used when Displaying the Computed Result The sampled data in the table are substituted into the equations on the next page to derive the computed results. The zero crossing Delta Sampled Data that are Symbols used...
  • Page 389 Appendix 3 Determination of Delta Computation Computed Computed Equation Equation Item Item ∆Urms ∆Irms {u(t)} {i(t)} π π ∆Umn ∆Imn u(t) dt i(t) dt ∆Udc ∆Idc u(t) dt i(t) dt ∆Uac ∆Iac ∆Urms – ∆Udc ∆Irms – ∆Idc Note • If the sampled data used in the computation do not exist (for example, when the module is not installed), the sampled data are considered to be 0’s for the computation.
  • Page 390 Appendix 4 List of Initial Settings and Display Order of Numerical Data Initial Settings (Factory Default) For input module 253751 Item Setting Setup Mode Normal Wiring 1P2W-1P2W Display Resolution 5 digits PLL Source Input U Range 2000Vpk Terminal I Range 10Apk Sensor Ratio 10.0000...
  • Page 391 Appendix 4 List of Initial Settings and Display Order of Numerical Data Item Setting Measure(Harmonics) Start Pos User Function Function1 Mode Unit Expression U(E1,OR1) Function2 Mode Unit Expression I(E1,OR1) Function3 Mode Unit Expression P(E1,OR1) Function4 Mode Unit Expression S(E1,OR1) Min Order Max Order Thd Formula /Total...
  • Page 392 Appendix 4 List of Initial Settings and Display Order of Numerical Data Item Setting Math Mode Math1 Function Expression Unit Scaling Auto Upper 1.0000E+2 Lower -1.0000E+2 Math2 Function Expression Unit Scaling Auto Upper 1.0000E+2 Lower -1.0000E+2 Start Point 0.000ms End Point 100.000ms FFT Points 1000...
  • Page 393 Appendix 4 List of Initial Settings and Display Order of Numerical Data For input module 253752 (Only the input setting items are listed. All other items are the same as for input module 253751.) Item Setting Input U Range 2000Vpk Terminal I Range 10Apk...
  • Page 394 Appendix 4 List of Initial Settings and Display Order of Numerical Data Display Order of the Numerical Data • When the order of the numerical data is reset, the measurement function data are displayed in the order given in the next table. •...
  • Page 395 Appendix 4 List of Initial Settings and Display Order of Numerical Data For the harmonic measurement mode Order Measurement Function Element Harmonic Order Total Total Total Total Total λ φ φU φI Uhdf Ihdf Phdf Uthd Ithd Pthd Uthf Ithf Utif Itif φU1-U2...
  • Page 396 Appendix 5 ASCII Header File Format //YOKOGAWA ASCII FILE FORMAT $PublicInfo FormatVersion 1.11 Model PZ4000 Endian DataFormat Trace GroupNumber TraceTotalNumber DataOffset $Group1 TraceNumber BlockNumber TraceName BlockSize VResolution 4.5777764E-03 3.8148137E-04 7.6296274E-02 3.8148137E-04 VOffset 3.3738281E+00 8.2995603E-02 2.5000000E+03 1.2500000E+01 VDataType VUnit VPlusOverData VMinusOverData...
  • Page 397 253752 253771 253771 253752 253752 253771 253771 Mode NORMAL ModelVersion 2.01 (Note) This header file format is common to many YOKOGAWA measurement instruments. Therefore, even data that are not needed by this instrument (0 data) are included. App-17 IM 253710-01E...
  • Page 398 Appendix 5 ASCII Header File Format $PublicInfo (Common information) FormatVersion : Version No. of YOKOGAWA’s common header file Model : Model name Endian : Endian mode (Big) when the file was saved DataFormat : Storage format (Trace) of the waveform data of the BINARY file GroupNumber : The number of “$Group”...
  • Page 399 Trace : Format in which blocks are organized for each waveform *3 Start position of the waveform data of the BINARY file The offset from the beginning of the file. This value is always 0 for the PZ4000. *4 Maximum number of blocks of a group When the number of blocks varies for each waveform, this number is the maximum number of blocks.
  • Page 400 Appendix 6 Float File Format For normal measurement mode • When only power measurement modules are installed Element 1 Element 2 Element 3 Element 4 Σ Σ Σ Σ Σ A Σ Σ Σ Σ Σ B Address Address Address Address Address Address...
  • Page 401 Appendix 6 Float File Format • When power measurement modules and motor module are installed Element 1 Element 2 Element 3 Element 4 Σ Σ Σ Σ Σ A Σ Σ Σ Σ Σ B Address Address Address Address Address Address Numerical Data Numerical Data...
  • Page 402 Appendix 6 Float File Format For harmonic measurement mode • When the measurement function is U, I, or P (The measured values of the harmonics and the harmonic distortion factors are saved.) Address Numerical Data Address Numerical Data 0000 Measured value Total —...
  • Page 403 Appendix 6 Float File Format • When the measurement function is Σ Σ Σ Σ Σ List • For products with firmware version before 2.01 Element 1 Element 2 Element 3 Element 4 Σ Σ Σ Σ Σ A Σ Σ Σ Σ Σ B Address Address Address...
  • Page 404 Appendix 6 Float File Format • For products with firmware version 2.01 or later Element 1 Element 2 Element 3 Element 4 Σ Σ Σ Σ Σ A Σ Σ Σ Σ Σ B Address Address Address Address Address Address Numerical Data Numerical Data Numerical Data...
  • Page 405 Appendix 7 Power Basics (Power/Harmonics/Three Constants Related to the AC Circuit) This section describes the basic concepts of power, harmonics, and the three constants related to the AC circuit. Power Electrical energy is transformed and used in different forms such as heat in an electric heater or an electric furnace, rotational power to drive motors, and light in fluorescent and mercury lamps.
  • Page 406 Appendix 7 Power Basics (Power/Harmonics/Three Constants Related to the AC Circuit) For the mean value, since taking the average over one period of a sine wave results in zero, the mean is determined using the absolute value over one period of the signal.
  • Page 407 Appendix 7 Power Basics (Power/Harmonics/Three Constants Related to the AC Circuit) Vector Display of an AC signal In general, the instantaneous values of voltage and current are expressed by the following equations. Voltage : u = U sinωt Current : i = I sin(ωt –...
  • Page 408 Appendix 7 Power Basics (Power/Harmonics/Three Constants Related to the AC Circuit) AC power Because a phase difference depending on the load exists between the voltage and current, AC power is not as easily determined as DC power. When the instantaneous voltage is u = U sinωt and the instantaneous current is i = I sin(ωt –...
  • Page 409 Appendix 7 Power Basics (Power/Harmonics/Three Constants Related to the AC Circuit) Active power and the power factor Not all of the power represented by the product of the voltage and current, UI, is dissipated. The product, UI, is called the apparent power (S). The unit is VA (volt- ampere).
  • Page 410 Appendix 7 Power Basics (Power/Harmonics/Three Constants Related to the AC Circuit) Harmonics Harmonics are sine waves that have frequencies that are integer multiples of the frequency of a fundamental signal (generally a 50/60-Hz sinusoid in the field of power). The current power that flows through the power rectification circuit, phase control circuit, and other circuits that are used in various electrical devices, generates harmonic voltages and currents on the power line.
  • Page 411 Appendix 7 Power Basics (Power/Harmonics/Three Constants Related to the AC Circuit) Interference caused by harmonic signals Harmonic signals adversely affect electric devices and facilities. The following are some examples. • Phase advance capacitor or series reactor The reduction of circuit impedance caused by the harmonic current causes excessive current to flow resulting in vibration, humming, overheating, and burnouts.
  • Page 412 Appendix 7 Power Basics (Power/Harmonics/Three Constants Related to the AC Circuit) Three Constants Related to the AC Circuit Resistance Current i when the instantaneous value of u = U sinωt of AC voltage is applied to load resister R[Ω] is expressed by the following equation. I denotes the maximum value of the current.
  • Page 413 Appendix 7 Power Basics (Power/Harmonics/Three Constants Related to the AC Circuit) R, L, C series circuit The voltage when resistance R [Ω], inductance L[H], and static capacitance C[F] are connected in series is expressed by the following equation. + (U –...
  • Page 414 Index Symbols Config ................14-2 connecting ..............3-11, 3-15 1P2W ................3-13 converting the scale ............11-7 1P3W ................3-13 copy (file) ................ 12-36 3P3W ................3-14 corrected power ..............1-36 3P3W>3V3A ..............10-9 corrective action ..............16-1 3P4W ................3-14 creating a directory ............
  • Page 415 Index harmonics ............App-25, App-30 element ................1-12 HELP ................... 4-8 entering string ..............4-1 higher harmonic ............App-30 entering value ..............4-1 holder ................16-9 equation (apparent power) ........1-34, 10-17 horizontal axis ..............1-26 equation (corrected power) ..........10-17 equation (distortion factor) ..........
  • Page 416 Index post-trigger ................ 1-21 medium ................12-14 power basic ..............App-25 memory testing ..............16-7 power coefficient ............1-14, 5-24 message ................16-2 power consumption ............17-12 message language ............14-3 power factor ..............App-29 Min Order ................ 10-22 power fuse ................ 16-9 MISC ..............
  • Page 417 Index scaling factor (revolution sensor) ........15-13 trigger delay ............. 1-21, 7-14 scaling factor (torque) ............. 15-15 trigger level ..............1-18, 7-7 scaling function ..............5-24 trigger mode ............... 1-19, 7-2 screen ................. 2-6 trigger output ..............14-1 scrolling ..............8-7, 8-17 trigger position ............

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