Page 1 PW8001 PW8001-01 PW8001-11 PW8001-02 PW8001-12 PW8001-03 PW8001-13 PW8001-04 PW8001-14 Instruction Manual PW8001-05 PW8001-15 PW8001-06 PW8001-16 POWER ANALYZER Read carefully before use. Keep for future reference. When using the instrument for Troubleshooting the first time Safety Information p. 8 Maintenance and Service p.
Page 2 HIOKI PW8001A961-00...
Page 3: Table Of Contents
(using VTs and CTs) .......38 .......78 Motor measurement wiring Supplying Power to the ..81 Connection examples of motor analysis Instrument ..........39 Displaying measured motor values ...82 ......39 Connecting the power cord ....83 Zero adjustment of motor input PW8001A961-00 HIOKI PW8001A961-00...
Page 4 Remotely Operating the Saving Data and Instrument through the HTTP Managing Files Server ..........162 Connecting to the HTTP server ....162 Acquiring Data through the FTP USB Flash Drive ........119 Server ..........164 File Operation Screen .......121 Saving Measured Data .....123 HIOKI PW8001A961-00...
Page 5 .......197 Calculation function ........199 Display function Warranty Certificate Automatic data-saving function ....200 ....201 Manual data-saving function Other functions ........202 10.4 Detailed Specifications of Measurement Parameters ....203 ......203 Basic measurement items ....208 Harmonic measurement items Power range configuration .....209 HIOKI PW8001A961-00...
Page 6 Contents HIOKI PW8001A961-00...
Page 7: Introduction
Introduction Introduction Thank you for choosing the Hioki PW8001 Power Analyzer. To ensure your ability to get the most out of this instrument over the long term, please read this manual carefully and keep it available for future reference. The latest edition of the instruction manual The contents of this manual are subject to change, for example as a result of product improvements or changes to specifications.
Page 8: Checking Package Contents
Pay particular attention to included accessories, panel keys and switches, and terminals. If you find any damage or discover that the instrument does not perform as indicated in its specifications, please contact your authorized Hioki distributor or reseller. Confirm the package contents.
Page 9: Options (Sold Separately)
Options (Sold Separately) Options (Sold Separately) The options listed below are available for the instrument. To order an option, please contact your authorized Hioki distributor or reseller. Options are subject to change. Check Hioki’s website for the latest information. Factory default options Input modules U7001 2.5MS/s Input Unit...
Page 10  CT6846A 1000 A DC to 20 kHz – CT6846-05 General purpose clamp* 20 A – ° ° 9272-05 1 Hz to 100 kHz ø 46 mm C to 50 200 A *: For measuring commercial-power frequency band HIOKI PW8001A961-00...
Page 11 500 A rated output cable CT6904A-2 AC/DC Current Sensor 800 A rated output cable CT6904A-3 AC/DC Current Sensor 10 m 800 A rated output cable D-sub 25 pins–to-BNC (male) L3000 D/A Output Cable 2.5 m 20-channel conversion cable HIOKI PW8001A961-00...
Page 12: Symbols And Abbreviations
Indicates that the product is subject to the Waste Electrical and Electronic Equipment (WEEE) Directive in EU member nations. Dispose of the product in accordance with local regulations. Indicates that the product complies with standards imposed by EU directives. HIOKI PW8001A961-00...
Page 13 Limit values for full-scale errors are expressed as a percentage of the full scale (“% f.s.”). Digit (resolution) Indicates the minimum display unit (in other words, the smallest digit that can have a digits value of 1) for a digital measuring instrument. Limit values for digit errors are expressed using digits. HIOKI PW8001A961-00...
Page 14: Safety Information
MAINS installation. Example: Measurements on devices installed before the main fuse or circuit breaker in (CAT IV) the building installation. Distribution panel Service entrance Interior wiring Service drop CAT II CAT III CAT IV Outlet Power meter Fixed equipment HIOKI PW8001A961-00...
Page 15: Precautions For Use
• Leave at least 15 mm of space underneath the installation surface (the height of its feet). • Place with its bottom side facing downward. • Do not block vent openings. 30 mm or longer 30 mm or longer HIOKI PW8001A961-00...
Page 16 Failure to do so could result in serious bodily injury or fire. See “11.2 Troubleshooting” (p. 233) and “11.3 Dialogs” (p. 236) before contacting your authorized Hioki distributor or reseller. NOTICE Do not route cords between other objects or step on them.
Page 17 • Store discs in protective cases. Avoid exposing the disc to direct sunlight, high temperatures, or high humidity. • Hioki is not liable for any computer system issues that arise in connection with the use of this disc. HIOKI PW8001A961-00...
Page 18: Measurement Procedure
Saving data “7 Saving Data and Managing Files” (p. 119) Analyze the data “8 Connecting External Devices” (p. 143) “9.1 Connecting and Setting the LAN Interface” (p. 158) “9.8 GENNECT One (PC Application Software)” (p. 179) Finish the measurement HIOKI PW8001A961-00...
Page 19: Overview
Powered by PW8001 measurement. Simple Settings (Quick Set)(p. 45) The Quick Set function allows measurement conditions to be set to typical values at once according to the selected lines to be measured. HIOKI PW8001A961-00...
Page 20 2000 A at a maximum can help state-of-the-art research and development. High accuracy, direct connection type The DCCT method uniquely developed by Hioki enables world-leading accuracy and bandwidth for the 50 A direct connection type.
Page 21: Part Names And Functions
The key lock state will persist even if the instrument is cycled. Handling the touchscreen NOTICE Do not press the touchscreen too hard. „ Do not use hard or sharp objects to operate the touchscreen. „ Doing so could damage the instrument. HIOKI PW8001A961-00...
Page 22 If the key is held down for at least 3 s, the key lock is activated and the key lock icon is displayed on the screen. If the key is held down again for at least 3 s, the setting is released and the key light turns off. HIOKI PW8001A961-00...
Page 23 Some items can be changed using the Y rotary knob. Pressing the Y rotary knob toggles between green and red lights, allowing you to change increments. Tapping the original key again will turn the rotary knob light off. When its light stays out, the knob does not work. HIOKI PW8001A961-00...
Page 24 Connect sensors of the voltage output type, including a current probe p. 37 and CT. (For current sensors) Probe 1 terminals Connect Hioki’s optional current sensors. The instrument automatically recognizes current sensors. It also supplies power to p. 35 (For high performance the current sensors.
Page 25 The serial number can be checked on the System screen. See “6.1 Checking and Changing Settings” (p. 115). NOTICE Do not apply excessive force from above when the stands are extended. „ Doing so could damage the stands. HIOKI PW8001A961-00...
Page 26: Basic Operation (Screen Display And Layout)
There are exceptions including the cursor on the Waveform screen and the switching of the displayed orders on the list screen. In addition, tapping outside the setting window closes it. HIOKI PW8001A961-00...
Page 27 You can turn that knob to change the value or manipulate the waveform. Tapping the screen can confirm the value you set. Lit up in green: in 1 increments Press the knob to switch. Lit up in red: in 10 increments HIOKI PW8001A961-00...
Page 28 These buttons are displayed when a prefix such as k (kilo) or M (mega) can be entered. T, G, M, Choosing the underscore ( ) will clear the prefix. _, m, μ, These buttons are displayed when a prefix cannot be entered. HIOKI PW8001A961-00...
Page 29: Common Screen Display
*3: Storage media indicator Usage of the USB flash drive is indicated using a level meter. The indicator lights up in red if the free space rate of the drive reduces to less than 25% or ERROR occurs. HIOKI PW8001A961-00...
Page 30: Measurement Screen
Delta conversion enabled setting Blank: Delta conversion disabled Displays the low-pass filter setting. p. 60 Shown when the phase correction function is enabled. – Displays the average setting. [Mov]: Moving average Average p. 105 [Exp]: Exponential average Blank: Disabled HIOKI PW8001A961-00...
Page 31: Screen Configurations
Allows you to set measurement conditions applied to all Common input settings channels commonly. [EFFICIENCY] Allows you to set the equations to calculate efficiency. Efficiency calculation settings [MOTOR] Allows you to configure motor input settings. Motor input settings HIOKI PW8001A961-00...
Page 32 D/A output settings Allows you to configure the D/A output settings. File Operation screen (displayed with the FILE key) The File Operation screen is used to manage files on the USB flash drive and to save and load settings files. HIOKI PW8001A961-00...
Page 33: System Architecture
• Motor analysis, CAN/CAN FD, waveform and D/A output, and optical link are optional. • The BNC synchronization and the optical link interface cannot be used simultaneously. • The waveform and D/A output option and the CAN/CAN FD option cannot be installed simultaneously. HIOKI PW8001A961-00...
Page 34: Example Measurement Setups
Since the instrument can simultaneously and accurately measure power at multiple points, such as the input and output of DC-DC converters, inverters, and accumulators, it is effective for the performance evaluation of power conditioners. Solar panels Power systems Power conditioner Step-up Bidirectional DC-DC Inverter Electricity storage Bidirectional Bidirectional DC-DC DC-DC HIOKI PW8001A961-00...
Page 35: Evaluating Conversion Efficiency Of Inverters With Built-In Sic
The instrument automatically follows a frequency that fluctuates from a frequency of at least 0.1 Hz, allowing power to be measured in transient conditions, such as motor behavior during start and acceleration. Pulse Torque encoder sensor Battery Inverter Motor Load HIOKI PW8001A961-00...
Page 36: Evaluating Performance Of Dual Inverter Drive Systems
Capable of handling special wiring configurations, such as for measuring performance of 6-phase motors and for loss of reactors The instrument can also measure the performance of 6-phase motors and loss of reactors at high precision. Inverter 1 Inverter 2 6-Phase motor Battery HIOKI PW8001A961-00...
Page 37: Preparing For Measurement
“2.9 Checking Connections” (p. 49) Communication interface • LAN • GP-IB • RS-232C See “9 Connecting with computers” (p. 157). External control Integration control (Start/Stop/Reset) Saving data See “8 Connecting External Devices” See “7.1 USB Flash Drive” (p. 119). (p. 143). HIOKI PW8001A961-00...
Page 38: Inspecting The Instrument Before Use
Inspect the instrument and verify proper operation before use. „ Use of the instrument while it is malfunctioning could result in serious bodily injury. If you find any damage, contact your authorized Hioki distributor or reseller. Inspecting accessories and options Make sure that . . .
Page 39: Connecting The Voltage Cords (Voltage Input)
Failure to do so could damage the instrument, resulting in bodily injury. When using the instrument, use only Hioki-specified connection cords. „ Using a cord other than the specified parts could cause bodily injury or a short circuit.
Page 40: Connecting The Current Sensors (Current Input)
Connecting two current sensors with both the Probe 1 and Probe 2 terminals can affect measurement. • Do not drop a current sensor onto a floor or other surface. • Do not subject the current sensor to mechanical shock. Doing so could adversely affect the measurement accuracy and the opening/closing mechanism. HIOKI PW8001A961-00...
Page 41: Probe 1 Terminal
Hold the plastic part of the connector and insert it straight until it is locked. The instrument automatically recognize the type of the current sensor. HIOKI PW8001A961-00...
Page 42 Connecting two current sensors with both the Probe 1 and Probe 2 terminals can affect measurement. • Do not drop a current sensor onto a floor or other surface. • Do not subject the current sensor to mechanical shock. Doing so could adversely affect the measurement accuracy and the opening/closing mechanism. HIOKI PW8001A961-00...
Page 43: Probe 2 Terminal
Supply power to the current sensor. For Hioki’s current sensors When connecting Hioki’s optional current sensors (including the CT6700 series and 3273-50), supply power to the current sensor from Hioki’s 3269 or 3272 Power Supply. CT6700 series, 3273-50, etc. Power supply...
Page 44: If The Input Exceeds The Measurable Range (Using Vts And Cts)
The phase difference between the external VTs (PTs) and CTs may introduce a large error component into power measurement. If you wish to make more accurate power measurement, use VTs (PTs) and CTs with a small phase error in the frequency band of the circuit being used. HIOKI PW8001A961-00...
Page 45: Supplying Power To The Instrument
Turn off the instrument. Confirm that the power supply voltage is within the rated range, and then, connect the power cord to the power inlet. (100 V AC to 240 V) Connect the plug of the power cord to the outlet. HIOKI PW8001A961-00...
Page 46: Turning The Instrument On
Disconnect the power cord and all measurement leads and sensors. Contact your authorized Hioki distributor or reseller. Turning the instrument off To turn off the instrument, shut down the instrument on the screen and then press the power key.
Page 47: Setting Wiring Mode And Configuring Current Sensor Settings
If different types of input modules are used in the same wiring configuration, the measurement accuracy of the U7001 applies to the measurement accuracy of all measured values within the wiring system. The accuracy of values measured with the U7005 is also the same as that of the U7001. HIOKI PW8001A961-00...
Page 48: Wiring Mode
Select this wiring mode when using the two-wattmeter method with three channels to measure a three-phase delta configuration, which is used when you emphasize 3V3A compatibility with legacy power meters such as the Hioki 3193. (3-phase 3-wire) It allows accurate measurement of not only active power, but also apparent and reactive power and power factor even with unbalanced lines.
Page 49: Correcting Phase Errors For Current Sensors
IMPORTANT • Enter the phase correction value accurately. Invalid settings can cause the correction process to increase measurement error. • Operation outside the frequency range within which the current sensor’s phase accuracy is specified is not defined. HIOKI PW8001A961-00...
Page 50 For all current sensors, the values are representative ones under the following conditions. • Standard cable length (not using the extension cable) • With the conductor positioned at the center of the sensor For the phase characteristics information when using CT9557, contact your authorized Hioki distributor or reseller. HIOKI PW8001A961-00...
Page 51: Simple Configuration (Quick Set)
Voltage Automatic 100 Hz 10 Hz RMS/RMS DC/WLTP Automatic 100 Hz 10 Hz RMS/RMS Voltage Automatic 1 kHz 1 Hz MEAN/RMS HIGH FREQ Voltage Automatic 1 MHz 1 kHz RMS/RMS GENERAL Voltage Automatic 1 MHz 0.1 Hz RMS/RMS HIOKI PW8001A961-00...
Page 52: Zero Adjustment And Degaussing (Demagnetization)
Press 0ADJ. When the confirmation dialog box appears, tap [Yes]. [Performing zero adjustment...] The screen will display and the process will be completed in about 30 s. Connecting the sensor and leads to the lines to be measured. HIOKI PW8001A961-00...
Page 53: Connecting Measurement Leads And Sensors To Lines To Be Measured
• Clamp the sensor around only one conductor. Clamping the sensor around two or more of conductors in a bundle prevents the instrument from measuring any current regardless of whether the measurement target is a single-phase or three-phase circuit. HIOKI PW8001A961-00...
Page 54: Wiring Diagrams
3-phase 3-wire (3P3W3M) 3-phase 4-wire (3P4W) Ch. (i+2) Ch. (i+1) Ch. (i) Ch. (i+2) Ch. (i+1) Ch. (i) Normal connection when using the PW9100A When the PW9100A and either PT or CT are used Ch. (i) Ch. (i) HIOKI PW8001A961-00...
Page 55: Checking Connections
• The voltage cords and current sensors have been connected to the color differ. inappropriate terminals. See “2.2 Connecting the Voltage Cords (Voltage Input)” (p. 33), “2.3 Connecting the Current Sensors (Current Input)” (p. 34), and “2.8 Connecting Measurement Leads and Sensors to Lines to Be Measured” (p. 47). HIOKI PW8001A961-00...
Page 56 Checking Connections HIOKI PW8001A961-00...
Page 57: Displaying Power Numerically
The custom screen allows you to select necessary items from all the basic measurement items being measured and display them on a single screen. Display screen [MEAS] > [VALUE] > [CUSTOM] 8-parameter display 16-parameter display 36-parameter display 64-parameter display HIOKI PW8001A961-00...
Page 58 The value calculated as the overall value of the measured values of two or more channels is displayed as follows. Averaged voltage RMS value of the three phases rms123 Averaged current RMS value of the three phases rms123 Sum of power RMS values of the three phases See “10.5 Specifications of Equations” (p. 212). HIOKI PW8001A961-00...
Page 59: Measuring Power
(for example, P123, S456, Q34). IMPORTANT Measured values may be displayed for channels without input due to the effects of surrounding noise. Due to induced voltage, displayed values may become unstable with no input; however, this is not a malfunction. HIOKI PW8001A961-00...
Page 60: Displaying Measured Voltage Or Current Values
U and current I until the desired range is shown.) Auto-ranging Sets the optimal voltage range and current range for each wiring configuration (Lit up in green) AUTO RANGE automatically based on the input. (Press the keys under the key.) HIOKI PW8001A961-00...
Page 61 × P12, P23, P34, P45, P56, P67, (Voltage range) (Current range) × × P123, P234, P345, P456, P567, P678 (Voltage range) (Current range) 3V3A 3P3W3M × × P123, P234, P345, P456, P567, P678 (Voltage range) (Current range) 3P4W HIOKI PW8001A961-00...
Page 62 1 Hz or higher. Synchronization of the inputs can be confirmed if the synchronization- unlocked indicator is not lit up in yellow. When the range switches frequently It is recommended to select a range manually. See “Voltage range and current range” (p. 54). HIOKI PW8001A961-00...
Page 63: Data Refresh Interval
• If the measured values are unstable even when 200 ms is selected, use the average function together. • To obtain a D/A output close to the smooth analog output of the previous model, 3193, select 10 ms and combine this setting with the exponential average or moving average of the average function. HIOKI PW8001A961-00...
Page 64: Synchronization Source
This may be used be set when the operation mode of the relevant channel of the motor analysis-equipped model is [Individual] mode. CH H Set this when you wish to perform measurement synchronized to an external signal (pulse input). HIOKI PW8001A961-00...
Page 65 Channels that cannot be synchronized to the synchronization source will fall into a synchronization- unlocked condition, preventing accurate measurement. Check synchronization source input. A warning indicator will come on to indicate a synchronization-unlocked condition occurs. See “Common screen display” (p. 23). HIOKI PW8001A961-00...
Page 66: Low-Pass Filter (Lpf)
2 MHz (selectable for the U7005 only), The set low-pass filter will be displayed by [LPF] setting indicator at the top of the Measurement screen. See “Measurement screen” (p. 24). HIOKI PW8001A961-00...
Page 67: Measurement Upper Frequency Limit And Lower Frequency Limit (Configuring Frequency Measuring Range)
• This high-pass filter setting is used to detect waveform zero-crossing points. • If the frequency does not stabilize during measurement of low frequencies, changing this setting [OFF] can stabilize the frequency. • Set the [ZC HPF] [ON] while measuring ripple current. HIOKI PW8001A961-00...
Page 68: Rectification Method
In general, this setting is only used MEAN when line voltage with a PWM waveform on the secondary side of an inverter is measured. Tap the [I-Rect] box, then select the rectifier from the list. × to close the setting window. HIOKI PW8001A961-00...
Page 69: Scaling (When Using Vts [Pts] Or Cts)
To set it to [OFF], enter 1.00000. × to close the setting window. HIOKI PW8001A961-00...
Page 70: Integrating Current And Power
(All wiring-configuration integration) All Channel Controls integration with the same timing for all wiring configurations. (Each wiring-configuration integration) Each Wiring Controls integration with an independent timing for each set wiring configuration. HIOKI PW8001A961-00...
Page 71: Displaying Integrated Measured Values
• The parameters that can be integrated vary with the wiring mode and the integration mode. See “2.5 Setting Wiring Mode and Configuring Current Sensor Settings” (p. 41) and “Integration mode” (p. 69). • This information can also be selected and displayed on the CUSTOM screen. See “3.1 Displaying Measured Values” (p. 51). HIOKI PW8001A961-00...
Page 72 START/STOP key light is turned off. The integration state indicator will be colorless. (Off) When the timer control or real time control setting is used, integration will stop automatically at the set end time. HIOKI PW8001A961-00...
Page 73 Press the DATA RESET key as necessary. The instrument resets integrated values of the channels selected in step 1. When using the timer control or real time control settings, integration will stop at the set end time. HIOKI PW8001A961-00...
Page 74 • The integration display is not affected by peak hold operation. • If a power outage occurs during integration, integrated values will be reset, and integration operation will stop. IMPORTANT No data is integrated while the ranges are being switched manually or automatically. HIOKI PW8001A961-00...
Page 75: Integration Mode
(Ih+, Ih−, Ih) and active power integration (WP+, WP−, WP) are calculated simultaneously. Current RMS value and active power value acquired at data refresh intervals are integrated. Only active power values are integrated by polarity. × to close the setting window. HIOKI PW8001A961-00...
Page 76: Integration Measurement While Using The Time Control Function
Hold stop time and stop time. integration To stop integration while the instrument is in the standby state, press the START/STOP key again. Time Automatically start Automatically stop (Lit up in green) HIOKI PW8001A961-00...
Page 77: Measuring Harmonic
• The vertical axis scale is a percentage of the range when the amplitude value is selected. • When the phase angle is selected, dimmed bars may be displayed to indicate that the corresponding amplitude value is small (0.01% or less of the range). HIOKI PW8001A961-00...
Page 78 Total harmonic distortion thd1 list. 50th, 100th, 200th, 500th The instrument may not be able to display data up to the set highest order depending on the synchronization frequency being measured. HIOKI PW8001A961-00...
Page 79 Display screen [MEAS] > [VECTOR] > [VECTOR The 2-vector-diagram display illustrates two graphs of each selected wiring configuration. 4-vector-diagram display × Display screen [MEAS] > [VECTOR] > [VECTOR The 4-vector-diagram display illustrates four graphs of each selected wiring configuration. HIOKI PW8001A961-00...
Page 80: Configuring Settings Common To Harmonics
Treats the harmonic sub-group as the harmonic of the corresponding order. TYPE1 This setting provides compatibility with the Hioki PQ3198’s harmonic measurement functions. Treats the harmonic group as the TYPE2 harmonic of the corresponding order. Tap the...
Page 81 If no intermediate harmonic exists, or the number of the window waves is one in wideband mode, measured values will agree regardless of what grouping method has been chosen. If intermediate harmonics exist, measured harmonic values will generally exhibit the relationship of OFF < Type 1 < Type 2. HIOKI PW8001A961-00...
Page 82: Measuring Efficiency And Loss
• When either the input or output is DC, variation in measured efficiency values can be limited by using the same synchronization source setting for the channel used for DC measurement as for the AC side. HIOKI PW8001A961-00...
Page 83: Displaying Efficiency And Loss
Select the number of items to be displayed on the screen. Tap the item name to open the window to set the basic measurement items. Tap [Other]. Select one from among the following alternatives: [η [η (efficiency) or [Loss [Loss (loss). HIOKI PW8001A961-00...
Page 84: Motor Measurement (Motor Analysis-Equipped Model)
When disconnecting cables, disengage the lock and then pull out the BNC „ connector while gripping it at the connection (do not pull on the cable). Failure to do so could damage the BNC connector. Lugs on the instrument’s BNC connector’ slots input terminal Lock HIOKI PW8001A961-00...
Page 85 Individual Input AB, CD, EF, GH For measuring voltage signals and pulse signals Using this mode can measure and display the signal from a voltage-output sensor, or measure the frequency of a pulse input and display the waveform. HIOKI PW8001A961-00...
Page 86 Speed Speed(Pulse) Torque Speed Torque Speed Direction Origin Torque Speed Direction Origin Direction Origin Torque Speed Torque Speed Direction Torque Speed Direction Direction Torque Speed Torque Speed Origin Torque Speed Origin Origin Torque Torque Speed Torque Speed Speed(Analog) HIOKI PW8001A961-00...
Page 87: Connection Examples Of Motor Analysis
Only pulse-based RPM signal can be input. Configuring connected motor input settings and displaying measured values For details about the display of measured values and the settings for inputting signals, see “3.6 Motor Measurement (Motor Analysis-Equipped Model)” (p. 78). HIOKI PW8001A961-00...
Page 88: Displaying Measured Motor Values
Displaying measured motor values on the [CUSTOM] screen Display screen [MEAS] [VALUE] [BASIC] > > Choose between [Master] (master unit) parameters and [Slave] (subordinate units) parameters. Tap [Motor]. Select the parameter to display. Torque value Motor power Slip Slip HIOKI PW8001A961-00...
Page 89: Zero Adjustment Of Motor Input
Measurement screen. • Zero adjustment is unavailable for channels with the input setting set to [Pulse]. ± • Zero adjustment can be performed within an input range of 10% of range. Inputting our-of-range signals cause zero-adjustment to fail. HIOKI PW8001A961-00...
Page 90: Configuring The Motor Input Settings
This setting specifies the lower frequency limit for measurement of the input pulse signal. When the following synchronization sources are selected, the lower limit frequency is also used as the lower frequency limit for measurement. Ext1, Ext2, Ext3, Ext4 Zph1, Zph3 Ch. B, Ch. D, Ch. F, Ch. H HIOKI PW8001A961-00...
Page 91 (input frequency) − |RPM| (setting value of the number of motor poles) When the × unit is r/min × × (input frequency) Select the voltage or current supplied to the motor, whichever is more stable, as the input frequency source. HIOKI PW8001A961-00...
Page 92 ([Scaling value] = [Torque sensor rated torque value] / [Output full-scale voltage value]) In the example, the scaling value would be 50. (50 = 500 Nm / 10) −9999.99 to −0.01, 0.01 9999.99 HIOKI PW8001A961-00...
Page 93 20 kHz torque of 2 kNm, positive rated torque of 15 kHz, and negative rated torque of 5 kHz Rated torque 500.00 Center Frq. 60.00000 Rated torque 2.00 k Frq. range 20.00000 Center Frq. 10.00000 Frq. range 5.000000 HIOKI PW8001A961-00...
Page 94 (number of pulses per mechanical angle rotation) [No. of poles] This value is used to perform slip calculation as well as convert the RPM signal into a frequency corresponding to the electrical angle. You can use the numeric keypad window. (even number) HIOKI PW8001A961-00...
Page 95: Torque Meter Correction Function
Torque to be displayed Actually measured torque value Calibration point Linear correction Corrected torque value Measured torque Measured RPM Actually measured torque value Calibration point Linear correction Corrected torque value Correction range Correction range Measurement range Measurement range HIOKI PW8001A961-00...
Page 96 (% of full scale) • Torque meter correction is valid only values within the range of set torque calibration points. If you want to correct for torque values outside the range, set a wider range of torque calibration points. HIOKI PW8001A961-00...
Page 97: Measuring The Electric Angle Of The Motor
3. • When measuring a motor that uses a Y connection internally in 3P3W3M wiring mode, phase angles of the phase voltage and phase current can be measured by using the Δ–Y conversion function. HIOKI PW8001A961-00...
Page 98 Because the phase difference includes the effects of the rotation input signal’s pulse waveform and the instrument’s internal circuit delay, it will appear as measurement error when the instrument measures a frequency that differs greatly from the frequency at which phase zero adjustment was performed. HIOKI PW8001A961-00...
Page 99: Detecting The Motor's Direction Of Rotation
RPM polarity: plus sign (+) A-phase B-phase Backward operation RPM polarity: minus sign (−) A-phase B-phase The detected direction of rotation affects the polarity sign assigned to measured RPM values as well as measured motor power (Pm) values. HIOKI PW8001A961-00...
Page 100 [Indiv.] operating mode of the motor analysis and set the synchronization source of input channels 1 through 8 to Ch. B, Ch. D, Ch. F, or Ch. H, respectively. Input the reference pulses as the selected synchronization source. HIOKI PW8001A961-00...
Page 101: Displaying Waveforms
The instrument is recording pre-trigger waveforms. Trigger The instrument is in the trigger standby state. Storage The instrument is recording post-trigger waveforms. Compress The instrument is creating waveforms for display. Abort The instrument is performing processing to stop waveform recording. HIOKI PW8001A961-00...
Page 102 • The vertical axis display magnification is adjusted to match the vertical axis size of the range and area. • When waveforms are aligned, the colors of the waveforms are also changed. Colors differ depending on the alignment pattern. HIOKI PW8001A961-00...
Page 103: Changing The Waveform Display And Configuring Recording
Since the sampling frequencies of the U7005 and the U7001 are 15 MHz and 2.5 MHz, respectively, there is a difference in the smoothness of waveforms when sampling frequency of the instrument is set to 2.5 MHz or higher. HIOKI PW8001A961-00...
Page 104 This phenomena is called aliasing. Observed waveform Sampling interval Aliasing has occurred because the sampling frequency is low relative to synchronization of the incoming signal. HIOKI PW8001A961-00...
Page 105: Vertical Axis Zoom Factor And Display Position Settings
10/7, 5/3, 20/9, 5/2, 10/3, 20/3, × × × × × × × × × × 25/2, 50/3, 100, Vertical axis display position −9999.99 div 9999.99 div [MAG.&POS.] or the area out of the window. The window closes. HIOKI PW8001A961-00...
Page 106: Vertical Axis Zoom List Display
You can set the relevant items. For details on each setup parameter, see “Description of parameter settings and selectable ranges” (p. 101). After completing the setup, tap [Trigger] or the area out of the window. The trigger setup window will close. HIOKI PW8001A961-00...
Page 107 Configure the settings by rotating the Y rotary knob. Lit up in green: in 0.1 increments Lit up in red: in 1 increments See “Changing values with rotary knobs” (p. 21). You can move the trigger level line after tapping it. HIOKI PW8001A961-00...
Page 108: Recording Waveforms
[RUN/STOP] while the instrument is in the standby state will stop recording. Activating the trigger manually Press the MANUAL key while the instrument is in the standby state. Pressing the key can activate a trigger, starting recording waveforms. HIOKI PW8001A961-00...
Page 109: Various Functions
Use the 4-digit year and 24-hour format. The times can be set in increments of 1 min. Example: 1:11 pm on January 11, 2022 → [2022/1/11 13:11:00] Upper limit for time Start time 2099/12/31 23:59:59 Stop time 2099/12/31 23:59:59 HIOKI PW8001A961-00...
Page 110: Time Control Function Setting Method
Channel], the integration function is always active. After stopping the time control, press the DATA RESET key to reset integrated values. • When the integration control setting is set to [Each Wiring], the auto-save operation is not available. HIOKI PW8001A961-00...
Page 111: Average Function
0.1 s 0.8 s 50 ms 0.5 s 25 s 200 ms 2.0 s 16 s 100 s (If you have selected [MOV]) Tap the [Averaging count] box, then select the averaging count from the list. 8, 16, 32, HIOKI PW8001A961-00...
Page 112: Average Operation
• Waveforms shown on the screen and D/A output waveforms are not affected by overload. • For more information about average calculation methods for different types of measured values, see the average section in “10.5 Specifications of Equations” (p. 212). HIOKI PW8001A961-00...
Page 113: Hold Function
Each time PEAK HOLD is pressed, measured values at that point in time are displayed. Measurement, calculations, and averaging continue internally. Canceling the hold state Press the HOLD key again during hold operation to cancel the hold state. HIOKI PW8001A961-00...
Page 114: Operation In The Hold State
• Waveforms shown on the screen and D/A output waveforms are not affected by the hold operation. • The data frozen during hold operation is not displayed when the HOLD key was pressed, but rather the data is retained internally when the HOLD key was pressed among those acquired at data refresh intervals. HIOKI PW8001A961-00...
Page 115: Peak Hold Function
When the past peak value is exceeded, the displayed value for that parameter is refreshed. Measurement continues internally. Canceling the peak hold state Press the PEAK HOLD key again during the peak hold operation to cancel the peak hold state. HIOKI PW8001A961-00...
Page 116: Operation In The Peak Hold State
• Waveforms shown on the screen and D/A output waveforms are not affected by the peak hold operation. • The time when the maximum value occurred is not displayed. • The peak hold function does not affect to integrated values. HIOKI PW8001A961-00...
Page 117: Delta Conversion Function
• The two-wattmeter method is used to calculate active power in 3V3A wiring mode, but the three- wattmeter method is used after conversion. • Peak-over judgment uses not-converted values. • When the voltage range is set to the auto-ranging, voltage range switching is determined by multiplying the range by 1/ (multiplying by approximately 0.57735). HIOKI PW8001A961-00...
Page 118: Y-Δ Conversion
> [CHANNEL] Tap the channel detail display area for the channel you wish to configure to open the settings window. Tap the [ Δ Conv.] box to set Y–Δ conversion to [ON]. × to close the setting window. HIOKI PW8001A961-00...
Page 119: Power Calculation Method
3193. TYPE2 Provides compatibility with the Type 2 setting used by Hioki 3192 and 3193. TYPE3 Uses signs of active power as those of power factors. If you do not use any model listed above or cannot decide a type to be used, select [TYPE1].
Page 120 Power Calculation Method HIOKI PW8001A961-00...
Page 121: System Settings
Serial number: The serial number consists of 9 digit numbers. Starting from the left, the first pair of digits indicate the year of manufacture (last two digits of the year), and the next pair of digits indicate the month of manufacture. Version number Firmware version number HIOKI PW8001A961-00...
Page 122 South Africa (Pretoria) GMT +2:00 Turkey (Ankara) GMT +3:00 United Kingdom (London) GMT +0:00 (+1:00) Russia (Moscow) GMT +3:00 Portugal (Lisbon) GMT +0:00 (+1:00) Ukraine (Kyiv) GMT +2:00 (+3:00) USA (Washington DC) GMT−5:00 (−4:00) As of October 2021 HIOKI PW8001A961-00...
Page 123: Initializing The Instrument
This section describes how to initialize all settings including the language setting and communications settings to their default settings. SYSTEM You can initiate the boot key reset by pressing the key while the operating system is starting up immediately after the instrument is turned on. HIOKI PW8001A961-00...
Page 124: Factory Default Settings
(Motor) synchronization Date format yyyyMMdd* source Delimiter for date Hyphen (-)* Motor analysis option wiring Torque, Speed setting * Parameter not initialized by the system reset, but by the boot key reset. See “Boot key reset” (p. 117). HIOKI PW8001A961-00...
Page 125: Saving Data And Managing Files
If you encounter this issue, purchase a new drive. • Hioki is not liable for data stored on USB flash drives, regardless of the nature or cause of the accident or damage involved. Be sure to back up any important data stored on USB flash drives.
Page 126 The instrument will only be able to save about one-third of the maximum number of recordable parameters sampled for each interval time. [ERROR] appears. The USB flash drive lacks sufficient capacity, or the instrument could not recognize the USB flash drive. HIOKI PW8001A961-00...
Page 127: File Operation Screen
(000 to 999 or 00 to 99) for files larger than 500 MB; and MMDD indicates the month and day. • Settings data filenames may be set as desired (up to eight characters). • The File Operation screen can display only one-byte alphanumeric characters and symbols. Two-byte characters will be replaced by question marks (?). HIOKI PW8001A961-00...
Page 128 Refreshing the contents of a folder • Tap the circular arrow to refresh the displayed contents of the present folder. • Use this when the file size differs from the actual size. HIOKI PW8001A961-00...
Page 129: Saving Measured Data
Data saving interval 10 ms 50 ms 200 ms 500 ms Other Maximum number of recordable 1000 4000 10000 20000 No limit parameters (text) Maximum number of recordable 4000 20000 No limit No limit No limit No limit parameters (binary) HIOKI PW8001A961-00...
Page 130 Y rotary knob. Lit up in green: in 1 increments Lit up in red: in 10 increments 0 to 500 (Values lower than the lowest order are unsettable.) × to close the setting window. HIOKI PW8001A961-00...
Page 131: Manually Saving Measured Data
Saving destination folder Settings Wiring mode Measured items to be saved, text saving format, and comment entry settings Press the DATA RESET key. Operation (This can be convenient when you wish to change the sequential numbering.) HIOKI PW8001A961-00...
Page 132: Automatically Saving Measured Data
See “5.1 Time Control Function” (p. 103) and “Auto-save operation using time control” (p. 129). Press the START/STOP key. Auto-save operation will start. The set folder will be created automatically, and data will be saved there. Press the START/STOP key again to stop the auto-save operation. HIOKI PW8001A961-00...
Page 133: Recordable Time And Data
Example 4: When the saving format is set to binary format, a new file is created when the integration stops and the voltage and current ranges are changed. See “Folder and file structure when saving data automatically” (p. 128). HIOKI PW8001A961-00...
Page 134 DATA RESET key is pressed, a new file will be created upon the next integration. PW8001 110400000.csv 110401000.csv 110499000.csv Specify a new folder in [Destination]. An error will be displayed when the 101st file is created 110400000.csv 110401000.csv HIOKI PW8001A961-00...
Page 135: Auto-Save Operation Using Time Control
Time interval Auto-save operation stops. Real time control + Data save interval other than [OFF] Save Real time (Real time control) Stand-by Time interval Time interval Time interval Automatically starts Automatically stops at at start time. stop time. HIOKI PW8001A961-00...
Page 136: Saving Waveform Data
When the sequential number used for files in the Binary format, which can be displayed folder reaches 1000, an error will be displayed. Set with the viewer of GENNECT One a new destination folder. MATLAB* format (MAT format) *: Third-party company’s trademark HIOKI PW8001A961-00...
Page 137 • Waveform data of voltage, current, and motor analysis option will be saved as a set of the maximum and minimum data compressed using the peak-to-peak compression. • A dialog box will be displayed while saving the data. To cancel save operation, tap [Cancel] in the dialog box. HIOKI PW8001A961-00...
Page 138: Saving And Loading Screenshots
Tap the [Simultaneous saving of settings] to set it to [ON] or [OFF]. Disables saving of settings information. Saves a screenshot of each channel’s measurement condition settings. Press the COPY key, then enter a comment. HIOKI PW8001A961-00...
Page 139 [CANCEL] Tapping can stop to save the data. Loading a screenshot You can load saved screenshots to display them. Display screen [FILE] Press the FILE key. Tap the folder that contains screenshots. Tap a PNG file. [Open PNG]. HIOKI PW8001A961-00...
Page 140: Saving And Loading The Settings Data
Tap the folder that contains the settings file. Select the settings file, and then tap [Open PNG]. Checking settings data on a computer You can also check the settings data stored on a computer using a general-purpose test viewer. HIOKI PW8001A961-00...
Page 141: File And Folder Operation
Tap a file or a folder you wish to delete. Tap [Delete]. When the confirmation dialog box appears, select [Yes]. The HIOKI and HIOKI/PW8001 folders cannot be deleted. Renaming a file or folder Tap a file or a folder you wish to rename.
Page 142: Formatting The Usb Flash Drive
Press the FILE key. Select the a file you wish to transfer. [FTP send] to open the FTP client settings dialog box. Set the FTP client. See “9.4 Sending Data Using the FTP Client Function” (p. 168). Tap [Send]. HIOKI PW8001A961-00...
Page 143: Measured Value Save Data Format
MUpk1, MUpk2, MUpk3, MUpk4, MUpk5, MUpk6, MUpk7, MUpk8 Total harmonic voltage Uthd Uthd1, Uthd2, Uthd3, Uthd4, Uthd5, Uthd6, Uthd7, Uthd8 distortion Voltage ripple factor Urf1, Urf2, Urf3, Urf4, Urf5, Urf6, Urf7, Urf8 Voltage unbalance rate Uunb Uunb123, Uunb234, Uunb345, Uunb456, Uunb567, Uunb678 HIOKI PW8001A961-00...
Page 144 FU1, FU2, FU3, FU4, FU5, FU6, FU7, FU8 Current frequency FI1, FI2, FI3, FI4, FI5, FI6, FI7, FI8 Integrated positive current PIH1, PIH2, PIH3, PIH4, PIH5, PIH6, PIH7, PIH8 value Integrated negative current Ih− MIH1, MIH2, MIH3, MIH4, MIH5, MIH6, MIH7, MIH8 value HIOKI PW8001A961-00...
Page 145 HP1P000, HP2P000, HP3P000, HP4P000, HP5P000, HP6P000, HP7P000, Harmonic voltage- HP8P000, vs.-current phase θk HP12P000, HP23P000, HP34P000, HP45P000, HP56P000, HP67P000, HP78P000, difference HP123P000, HP234P000, HP345P000, HP456P000, HP567P000, HP678P000 (omitted) — The last three digits indicate the order n. order HIOKI PW8001A961-00...
Page 146: Status Data
– Bit 15 Bit 14 Bit 13 Bit 12 Bit 11 Bit 10 Bit 9 Bit 8 – Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0 – – – – HIOKI PW8001A961-00...
Page 147 UCUA Ch. A calculation not possible (for example, measurement data was invalid because it was sampled immediately after range switching.) Bit 17 Ch. A motor synchronization source forced zero-crossing Bit 16 Overload while using Ch. A analog input HIOKI PW8001A961-00...
Page 148: Data Format For Measured Values
BIN format, which can be selected as the saving format for automatically saved files and for waveform files, can only be loaded by GENNECT One. For information on GENNECT One, see “9.8 GENNECT One (PC Application Software)” (p. 179). HIOKI PW8001A961-00...
Page 149: Connecting External
Connector pin layout The output on each pin can be set as desired. Pin no. Output Pin no. Output D/A1 D/A13 D/A2 D/A14 D/A3 D/A15 D/A4 D/A16 D/A5 D/A17 D/A6 D/A18 D/A7 D/A19 D/A8 D/A20 D/A9 D/A10 D/A11 D/A12 HIOKI PW8001A961-00...
Page 150 • Grip the connector cover when connecting or disconnecting the connector. • Be sure to use shielded cables for output and external control. • If the cable’s shielding is not grounded, connect it to the connector cover or cable anchor shown in the above figure. HIOKI PW8001A961-00...
Page 151: Selecting Output Parameters
2 V f.s. See “Output terminal” (p. 143). The instrument continuously outputs signals of selected items no matter what it displays, the Measurement, Input Settings, System Settings, and the File Operation screens. HIOKI PW8001A961-00...
Page 152 Conversely, if the integrated value is large relative to the full-scale value, it will take a shorter time for the integrated value to reach the full-scale value, causing the D/A output voltage to vary abruptly. By setting the integration full scale, you can change the active power integration D/A output full- scale value. HIOKI PW8001A961-00...
Page 153 • When the measurement range has been set to auto-ranging, the analog output rate will vary with range switching. In instances such as abruptly fluctuating measured values, exercise care to avoid making any mistakes in range conversion. In addition, it is recommended to fix the range during such measurement. HIOKI PW8001A961-00...
Page 154: Output Rates
× 300 V 10 A 3 = 9 kW (Thus, the full scale is calculated.) ± ± 5 V DC for a value of 9 kW f.s. Fundamental wave active Pfnd Same as active power (P)  power HIOKI PW8001A961-00...
Page 155 5 V DC for a value of 9 kWh ± *1: If the voltage for the integrated value would exceed 5 V, analog output will switch to 0 V before continuing to vary again. *2: Value always has a negative sign. HIOKI PW8001A961-00...
Page 156 *1: Analog DC input has polarity, but pulse frequency input does not. *2: The PM range is calculated by substituting the rated torque and rated RPM respectively for the torque and RPM of the motor power equation. HIOKI PW8001A961-00...
Page 157: Examples Of D/A Output
−5 V −5 V ° ° −1 −0.5 +0.5 −180 +180 Lead Power factor Voltage, current, power phase angle +5 V +2.5 V The upper frequency limit setting is used as 100% f.s. +50% f.s. +100% f.s. Frequency HIOKI PW8001A961-00...
Page 158 Analog output is retained when the display is frozen during integration. When the hold operation is canceled, analog output will vary based on the original integrated value. When the integrated value is reset, analog output will switch to 0 V. HIOKI PW8001A961-00...
Page 159: Controlling Integration With External Signals
Green Blue Resetting integrated values When this pin’s level has been low for at least 200 ms, integrated values will be reset. This function is valid only while integration is stopped. Purple Unused Gray Unused White Unused HIOKI PW8001A961-00...
Page 160 You can control the instrument connected with an external RS-232C device using communications commands. See “9.7 Connecting and Setting the RS-232C” (p. 175). Internal circuit diagram of each external control terminal +5 V 10 kΩ 100 Ω 49.9 kΩ 1000 pF HIOKI PW8001A961-00...
Page 161 200 ms or more 5 V (open) 0 V (shorted) Display hold Display hold start cancel To avoid instrument damage, do not input a signal at a voltage of 5.5 V or more. Use chatter-free control signals. HIOKI PW8001A961-00...
Page 162 Controlling Integration with External Signals HIOKI PW8001A961-00...
Page 163: Connecting With Computers
RS-232C Starts/stops integration, and resets data using external signals. p. 153 Please download GENNECT One (with the instruction manual) and the communications command instruction manual from the Hioki website. See “9.8 GENNECT One (PC Application Software)” (p. 179). HIOKI PW8001A961-00...
Page 164: Connecting And Setting The Lan Interface
Failure to do so could damage the instrument or cause nonconformity to the specifications. IMPORTANT When using the LAN interface, do not use the R-232C or GP-IB interface. Simultaneous use of multiple interfaces may cause the instrument to malfunction, such as communication interruption. HIOKI PW8001A961-00...
Page 165 Cross-conversion Connect the cross-conversion connector to the connector instrument’s LAN interface. Connect the LAN cable to the computer’s 100Base-TX connector. When a cross-conversion connector is not available The instrument can be connected to a computer using a hub. HIOKI PW8001A961-00...
Page 166: Configuring Lan Settings And Building A Network Environment
When not using a gateway (for example, when using a one-to-one connection), set the instrument’s gateway to 0.0.0.0. If the DHCP setting is enabled, the default gateway will be configured automatically by DHCP. HIOKI PW8001A961-00...
Page 167 When connecting the measuring instrument and a computer one-to-one, you will need one of the following: • 1000Base-T-compatible cross cable (up to 100 m) • 1000Base-T-compatible straight cable and cross-conversion connector (up to 100 m) • 9642 LAN Cable with cross-conversion connector (optional) HIOKI PW8001A961-00...
Page 168: Remotely Operating The Instrument Through The Http Server
Display of the main page indicates that you have successfully connected to the instrument. Clicking [More Information] on the main page allows you to check the detailed information including the serial numbers of the instrument, modules, and current sensors as well as the calibration date and adjustment date. HIOKI PW8001A961-00...
Page 169 See “Connecting a LAN cable” (p. 158). • Some web browsers may not perform proper operation. Try to use other web browsers. To save screenshots Pressing the [Download Capture] button in the upper right allows you to save the currently displayed screen. HIOKI PW8001A961-00...
Page 170: Acquiring Data Through The Ftp Server
Be aware of the following items before using the FTP server function: Relationship of storage All storage media is shown as directories in the FTP session. media and directories /usb ....USB flash drive Constraint Files cannot be accessed while measurement is in progress. HIOKI PW8001A961-00...
Page 171: Accessing The Instrument's Ftp Server
Set the username and password to prevent third parties from deleting files by accident. See “FTP server connection restriction (FTP authentication)” (p. 167). [ftp://Username:Password@Instrument’s IP address] For the username HIOKI and the password PW8001 Enter ftp://HIOKI:PW8001@192.168.0.2. If the instrument’s address is 192.168.0.2...
Page 172: Performing File Operation In The Ftp Server
The seconds or hours, minutes, and seconds of the file’s timestamp (date and time) may not reflect the real time. Deleting files Right-click the mouse on a file in the FTP folder list and select Delete from the context menu. Right-click Click HIOKI PW8001A961-00...
Page 173 Tap the [Username] box, then set the username using the numeric keypad window. Up to 12 one-byte characters Tap the [Password] box, then set the password using the numeric keypad window. Up to 12 one-byte characters [Apply] to confirm. HIOKI PW8001A961-00...
Page 174: Sending Data Using The Ftp Client Function
See “Setting automatic file upload” (p. 168). Start measurement on the instrument. When the auto-save is completed on the instrument, the files are automatically uploaded to the FTP server of the computer. Check the communication between the instrument and computer. See “” (p. 171). HIOKI PW8001A961-00...
Page 175 Sets the port number of the FTP server. Username Up to 32 one-byte character strings Sets the username for logging on to the Example: HIOKI FTP server. Password Up to 32 one-byte character strings Sets the password for logging on to the Example: PW8001 FTP server.
Page 176 The instrument automatically uploads the data of the measured waveforms to the FTP server. Files to be uploaded automatically The following files are automatically uploaded after being created. • Auto-save file • Setting file • Waveform file • Screenshot HIOKI PW8001A961-00...
Page 177 Once a file fails to be sent, the Unsent count increases by one. After a certain period, the file is retransmitted, reducing the Unsent count by one. Successful transmission of this file increments the Sent count by one, and failure increments the Failed count by one. [Clear] Tapping zeros all counters and stops retransmission of unsent files. HIOKI PW8001A961-00...
Page 178: Uploading Files Manually
The computer sends communications commands, which can control the instrument and communicate with it. Connect the instrument and computer using an RS-232C, GP-IB, or LAN cable. For details about the communications commands, see the Communication Command Instruction Manual. HIOKI PW8001A961-00...
Page 179: Connecting And Setting The Gp-Ib
Failure to do so could damage the instrument or cause nonconformity to the specifications. IMPORTANT When using the GP-IB interface, do not use the LAN or RS-232C interface. Simultaneous use of multiple interfaces may cause the instrument to malfunction, such as communication interruption. HIOKI PW8001A961-00...
Page 180: Setting The Gp-Ib Address
REMOTE/LOCAL key stays is lit up can reset the remote control. Key status Remote control (remote operation) underway REMOTE/LOCAL Keys other than the key cannot be operated. (Lit up in red) Key operation is available. (Off) HIOKI PW8001A961-00...
Page 181: Connecting And Setting The Rs-232C
Failure to do so could damage the instrument or cause nonconformity to the specifications. IMPORTANT When using the RS-232C interface, do not use the LAN or GP-IB interface. Simultaneous use of multiple interfaces may cause the instrument to malfunction, such as communication interruption. HIOKI PW8001A961-00...
Page 182 Receive Data Sent data Send Data Data terminal ready Data Terminal 108/2 Ready Signal ground Signal Ground Data set ready DATA Set Ready Request to send Request to Send Clear to send Clear to Send Ring indicator Ring Indicator HIOKI PW8001A961-00...
Page 183: Specifications
The input and output connector implements terminal (DTE) specifications. Recommended cable: 9637 RS-232C Cable (for computer) When using a USB-to-serial converter to connect the instrument to a computer, you must use a gender changer (male-to-female conversion) and a straight-to-cross converter. Character code: ASCII HIOKI PW8001A961-00...
Page 184: Setting The Communications Speed
See “8.2 Controlling Integration with External Signals” (p. 153). Tap the [Baud rate] box to select the communication speed from the list. 9600 bps, 19200 bps, 38400 bps, 57600 bps, 115200 bps HIOKI PW8001A961-00...
Page 185: Gennect One (Pc Application Software)
File acquisition using the FTP function between the measuring instrument and computer. Automatic file upload This function can also be used for measured data of other Hioki measuring instruments. For GENNECT One compatible models, check the Hioki website. For more details, visit GENNECT One Special Website.
Page 186 Put the accompanying CD in a CD-ROM drive. Click [File Explorer] from the start menu to start File Explorer. Click [This PC], and then click [CD-ROM Drive]. Click Click Double-click Double-click the [GENNECT One] folder. Double-click Double-click [setup.exe]. Double-click HIOKI PW8001A961-00...
Page 187: Specifications
6 months) (1.5 times reading errors of each specified accuracy are guaranteed for 12 months.) Accuracy guarantee duration after adjustment made by Hioki: 12 months (for voltage, current, power of the U7001 and U7005, for power of the motor analysis option: 6 months after adjustment made by Hioki) (1.5 times reading errors of each specified accuracy are guaranteed for 12 months.)
Page 188: Specifications Of Input, Output, And Measurement
0.5% of reading. The accuracy specifications are specified for frequencies less than or equal to one tenth the set cutoff frequency. The peak value is based on the LPF-processed values, whereas the peak-over judgment uses not-digital-LPF processed values. HIOKI PW8001A961-00...
Page 189 See “10.6 U7001 2.5MS/s Input Unit” (p. 220) and “10.7 U7005 15MS/s Input Unit” (p. 225). (3) Specifications common to current measurement See “10.6 U7001 2.5MS/s Input Unit” (p. 220) and “10.7 U7005 15MS/s Input Unit” (p. 225). HIOKI PW8001A961-00...
Page 190 C to 40 accuracy Integration accuracy ± ± (Current or active power) (Integration time accuracy) Backup function None If a power outage occurs during integration, the integration stops after power is restored and the integration data is reset. HIOKI PW8001A961-00...
Page 191 Fixed at 50 ms. When it is set to 10 ms, only harmonic data is refreshed at 50 ms intervals. When it is set to 200 ms, values are obtained by averaging four sets of 50 ms data. HIOKI PW8001A961-00...
Page 192: Accuracy Specifications
• Accuracy values for phase difference are specified for input with the voltage and current of the same order that have an amplitude of at least 10% of range. Accuracy specifications See “10.6 U7001 2.5MS/s Input Unit” (p. 220) and “10.7 U7005 15MS/s Input Unit” (p. 225). HIOKI PW8001A961-00...
Page 193: Specifications Of Waveform Recording
Trigger source: Voltage and current waveforms, voltage and current waveforms processed by the zero-cross filter, manual trigger, motor waveform, motor pulse Trigger slope: Rising edge, falling edge ± Trigger level: 300% of the range for waveforms in 0.1 percent points increments HIOKI PW8001A961-00...
Page 194: Specifications Of Motor Analysis (Optional)
The frequency for slip calculation can be set. Number of motor 2 to 254 poles Z-phase pulse The reference for detecting Zph of the synchronization source can be set in operating detection reference mode 2 or 4. Rising edge, falling edge HIOKI PW8001A961-00...
Page 195 When disabled: (Torque value) = S [X − (Zero-correction value)] × and correction When enabled: (Torque value) = S [X − (Zero-correction value)] − At − Bt S: Scaling X: Input signal-to-torque converted value At: Nonlinearity correction value Bt: Friction correction value HIOKI PW8001A961-00...
Page 196 When disabled: (Torque value) = S [X − (Zero-correction value)] × and correction When enabled: (Torque value) = S [X − (Zero-correction value)] − At − Bt Scaling Input signal-to-torque converted value Nonlinearity correction value Friction correction value HIOKI PW8001A961-00...
Page 197 Pattern 2 to Pattern 5 of motor analysis mode Ch. B frequency division is cleared at Ch. D rising or falling edge in [A-D]. Ch. F frequency division is cleared at Ch. H rising or falling edge in [E-H]. HIOKI PW8001A961-00...
Page 198: Specifications Of Waveform And D/A Output (Optional)
(DC level). ± Temperature 0.05% f.s. per degree centigrade coefficient Pin assignment Pin no. Output Pin no. Output D/A1 D/A13 D/A2 D/A14 D/A3 D/A15 D/A4 D/A16 D/A5 D/A17 D/A6 D/A18 D/A7 D/A19 D/A8 D/A20 D/A9 D/A10 D/A11 D/A12 HIOKI PW8001A961-00...
Page 199: Display Specifications
All settings, including the language and communications settings, are reverted to their factory defaults. File operation Displaying data list stored on a USB flash drive, formatting a USB flash drive, creating new folders, renaming folders/files, copying/deleting files, updating the firmware, displaying screenshots, creating/loading setting files HIOKI PW8001A961-00...
Page 200: External Interface Specifications
Tow-level (low: 0 V, high: 2.5 V to 5 V) logic signals or contact signal with terminal shorted/ specifications open Function Same operation as the START/STOP key, DATA RESET key, or HOLD key on the control panel Switchable with RS-232C (simultaneous use not supported) HIOKI PW8001A961-00...
Page 201: Functional Specifications
Off, 10 ms, 50 ms, 200 ms, 500 ms, 1 s, 5 s, 10 s, 15 s, 30 s 1 min., 5 min., 10 min., 15 min., 30 min., 60 min. However, the interval cannot be less than the data refresh interval. The maximum number of parameters to be saved is determined based on this setting. HIOKI PW8001A961-00...
Page 202: Hold Function
USB flash drive. (However, waveform output continues). Backup None (The function is disabled when the instrument is turned off.) Constraint While the hold or peak-hold function is activated, settings that affect measured values cannot be changed. HIOKI PW8001A961-00...
Page 203: Calculation Function
Although harmonic data is not averaged when the data refresh rate is set at 10 ms, harmonic data contained in basic measurement items is averaged using the exponential average coefficient every 10 ms. Moving averaging 8, 16, 32, 64 times count HIOKI PW8001A961-00...
Page 204 Type 2: Compatible with the Type 2 for each of the 3192 and 3193. Type 3: The active power’s sign can be used as the power factor’ sign. (Type 1, Type 2, and Type 3 are compatible with each equation of the PW6001.) HIOKI PW8001A961-00...
Page 205: Display Function
The screen can display measured harmonic values. Display pattern Bar-graph display: The screen can display measured harmonic items for user-specified channels as bar graphs. (up to 500th) List display: The screen can display numerical values for user-specified parameters of user-specified channels. HIOKI PW8001A961-00...
Page 206: Automatic Data-Saving Function
CSV: Measured data is delimited with commas (,), and periods (.) represent decimal points. SSV: Measured data is delimited with semicolons (;), and commas (,) represent decimal points. BIN: Common file-format that can be loaded by GENNECT One Filename Automatically generated based on the time and date at which measurement started. HIOKI PW8001A961-00...
Page 207: Manual Data-Saving Function
Setting list screenshot function Comment entering function Free drawing function (Concurrent use of the comment entering function and free drawing function is not available.) Saving USB flash drive destination location Parameters to be Screenshot saved Data format Filename Automatically generated HIOKI PW8001A961-00...
Page 208: Other Functions
3 s/day (at 25 Sensor Current sensors connected to input modules can be identified automatically. identification The instrument can detect sensors’ ranges and connection/disconnection of sensors, displaying warning dialogs. Data correction values provided by current sensors affect correction data. HIOKI PW8001A961-00...
Page 209: Detailed Specifications Of Measurement Parameters
θI Power phase angle φ i, i+1, (i, i+1) i, i+1, i+2, (i, i+1, i+2) i, i+1, i+2, (i, i+1, i+2) Channel (Ch. 1 to Ch. 8) with which instrument is equipped ( ): Indicates SUM values. HIOKI PW8001A961-00...
Page 210 *3: Only for the 5 V range of Probe 2, 150%. *4: Selectable When the Upk+ or Upk− voltage waveform peak, or the Ipk+ or Ipk− current waveform peak exceeds the display range, a peak-over condition is considered to have occurred. HIOKI PW8001A961-00...
Page 211 1, 2, 3, 4 150% of the P range  1, 2, 3, 4, 5, 6, 7, 8, User-defined calculation UDF Free* User-defined value  9, 10, 11, 12, 13, 14, 15, 16 *: Can be set by user. HIOKI PW8001A961-00...
Page 212 Z phase — direction Rotation Torque Speed Direction Torque* Spd3 — — direction Torque Speed Origin Torque* Spd3 — Z phase — Torque Speed (Analog) Torque* — Spd3 — *1: Switchable between analog DC input and frequency input. HIOKI PW8001A961-00...
Page 213 0% to 150% of the Pm range  Slip Slip 0.000 to 100.000  *2: When scaling is set, add the scaling value to the range. No peak-over detection is performed for measured values for motor analysis measurement items. HIOKI PW8001A961-00...
Page 214: Harmonic Measurement Items
 difference Harmonic voltage content HDUk 0.000 to 100.000 percentage Harmonic current content HDIk 0.000 to 100.000 percentage Harmonic power content percentage HDPk 0.000 to 100.000  *: Indicates an item the 0th component of which is signed. HIOKI PW8001A961-00...
Page 215: Power Range Configuration
(Q), volt-ampere reactive (var). Multiply the figures given in this table by 1/10 if using a 2 A sensor, by 10 if using a 200 A sensor, or by 100 if using a 2 kA sensor. HIOKI PW8001A961-00...
Page 216 (var) for reactive power (Q). Multiply the figures given in this table by 1/10 if using a 5 A sensor, by 10 if using a 500 A sensor, or by 100 if using a 5 kA sensor. HIOKI PW8001A961-00...
Page 217 90.0000 k 180.000 k 450.000 k 900.000 k 1.80000 M 4.50000 M The following units of measurement are used: watt (W) for active power, volt-ampere (VA) for apparent power (S), and volt-ampere reactive (var) for reactive power (Q). HIOKI PW8001A961-00...
Page 218: Specifications Of Equations
RMS values (line voltage), which are obtained from harmonic calculation results. • In 3P4W wiring mode, phase voltage is detected, but converted to line voltage before calculation. (i): measurement channel, M: number samples between sync timings, s: sample point number HIOKI PW8001A961-00...
Page 219 RMS values (line voltage), which are obtained from harmonic calculation results. • In 3P3W3M and 3P4W wiring mode, current is converted to line current before calculation. (i): measurement channel, M: number samples between sync timings, s: sample point number HIOKI PW8001A961-00...
Page 220 : sampled line voltage value of channel (i). (i)s : calculated phase voltage of channel (i) (i)s • In 3P4W wiring mode: Sampled voltage, which is phase voltage, does not need conversion. • If equation Type 2 is selected, results are unsigned. HIOKI PW8001A961-00...
Page 221 (i): Measurement channel, M: number samples between sync timings, s: sample point number The 3P4W equations are used for Y-Δ conversion in 3V3A and 3P3W3M wiring modes. The 3P4W equations are also used as-is for Y-Δ conversion in 3P4W wiring mode. HIOKI PW8001A961-00...
Page 222: Equations For Motor Analysis Option
(Pole number setting) × × × (Input frequency) Slip — The input frequency can be selected from among fU1 to fU8 and fI1 to fI8 M: number of samples during synchronized timing period; s: sample number, A: analog waveform HIOKI PW8001A961-00...
Page 223: Equations For Harmonic Measurement Items
0 • For the harmonic voltage-vs.-current phase difference, each phase difference in 3P3W3M or 3P4W wiring mode is calculated based on the phase voltage, regardless of whether delta conversion is set to on or off. HIOKI PW8001A961-00...
Page 224 = 0, U < 0 −90 ki(i) kr(i) ° = 0, U > 0 (−) ki(i) ki(i) kr(i) ° < 0, U ki(i) kr(i) ° Phase reference ° = 0, U ki(i) kr(i) ° > 0, U +180 ki(i) kr(i) HIOKI PW8001A961-00...
Page 225: Equations For Integration Measurement
+) + (Ih −) = (Ih +) + (Ih −) • h: measurement time, k: conversion coefficient for 1 h • (+): Only a positive (consumption) value is used. • (−): Only a negative value (regeneration) value is used. HIOKI PW8001A961-00...
Page 226: U7001 2.5Ms/S Input Unit
2000 V peak voltage Maximum rated line- 600 V AC, 1000 V DC in measurement category III to-ground voltage Anticipated transient overvoltage: 8000 V 1000 V AC, 1500 V DC in measurement category II Anticipated transient overvoltage: 8000 V HIOKI PW8001A961-00...
Page 227 Probe 2: 1 M 50 k , 22 pF typical ± Maximum input 12 V peak (10 ms or less) Probe 1: 8 V, ± voltage Probe 2: 15 V, 20 V peak (10 ms or less) HIOKI PW8001A961-00...
Page 228: Accuracy Specifications
For any condition except if φ = ± × factor on the active {1 − cos[φ + (Phase accuracy)] / cos φ} (100% of reading) ± ° power For φ = ± × cos[φ + (Phase accuracy)] (100% of VA) HIOKI PW8001A961-00...
Page 229 0.01% of range per degree centigrade to the DC accuracy of the current and active power. ± When Probe 2 is used, add 0.05% of range per degree centigrade to the DC accuracy of the current and active power. HIOKI PW8001A961-00...
Page 230 Values of the measurement accuracy are only designed values. (When the DC voltage is between 1000 V (exclusive) and 1500 V (inclusive), accuracy for DC voltage and DC effective power is guaranteed after custom-ordered calibration made by Hioki.) HIOKI PW8001A961-00...
Page 231: U7005 15Ms/S Input Unit
(Only when the same sensors are used for all channels of the same wiring configuration) Crest factor 3 relative to voltage range rating Ω ± Ω Input resistance 50 k ± Maximum input 8 V, 12 V peak (10 ms or less) voltage HIOKI PW8001A961-00...
Page 232: Accuracy Specifications
For any condition except if φ = ± × factor on the active {1 − cos[φ + (Phase difference accuracy)] / cosφ} (100% of reading) ± ° power For φ = ± × cos[φ + (Phase difference accuracy)] (100% of VA) HIOKI PW8001A961-00...
Page 233: Specially Specified Combinatorial Accuracy With Optional Products For Current Measurement
AC/DC Current Sensor CT6904A-1 AC/DC Current Sensor CT6904A-2 AC/DC Current Sensor CT6904A-3 AC/DC Current Sensor CT6875A AC/DC Current Sensor CT6875A-1 AC/DC Current Sensor CT6876A AC/DC Current Sensor CT6876A-1 AC/DC Current Sensor CT6877A AC/DC Current Sensor CT6877A-1 AC/DC Current Sensor HIOKI PW8001A961-00...
Page 234 • If a voltage is over 600 V, add the following values to the power phase angle accuracy: ± ° 0.1 Hz < f ≤ 500 Hz: ± ° 500 Hz < f ≤ 5 kHz: ± ° 5 kHz < f ≤ 20 kHz: ± ° 20 kHz < f ≤ 200 kHz: HIOKI PW8001A961-00...
Page 235 • Add the following value to the accuracy figures for voltage and active power if a voltage of 800 V or more is measured. ± 0.01% of reading Even when the voltage input value decreases, the effect of self-heating persists until the input resistance temperature drops. HIOKI PW8001A961-00...
Page 236 U7005 15MS/s Input Unit HIOKI PW8001A961-00...
Page 237: Maintenance And Service
The calibration interval depends on factors such as the operating conditions and environment. Please determine the appropriate calibration interval based on your operating conditions and environment and have Hioki calibrate the instrument accordingly on a regular basis. Backing up data When repairing or calibrating the instrument, we may initialize it.
Page 238: Replaceable Parts And Service Life
It is recommended to replace these parts regularly to ensure instrument functionality over the long term. To order replacements, please contact your authorized Hioki distributor or reseller. The service life of parts varies with the operating environment and frequency of use. These parts are not guaranteed to operate throughout the period defined by the recommended replacement interval.
Page 239: Troubleshooting
If damage is suspected, read “Before returning the instrument for repair” (p. 233) and “11.3 Dialogs” (p. 236) to remedy the issue. If the issue cannot be resolved, contact your authorized Hioki distributor or reseller. Before returning the instrument for repair Check the following items.
Page 240 The instrument cannot detect open collector pulse output. The pulse output contains noise. Check the cable routing. Ground the encoder that generate the pulse output. Specify the pulse noise filter (PNF). See “Pulse noise filter (PNF)” (p. 85). HIOKI PW8001A961-00...
Page 241 Cycle the instrument. If the cause of your problem remains unclear If you are unsure of the cause, try a system reset. All settings will be returned to their factory defaults. See “6 System Settings” (p. 115). HIOKI PW8001A961-00...
Page 242: Dialogs
Dialogs” (p. 236) below to remedy the issue. If the issue cannot be resolved, please contact your authorized Hioki distributor or reseller. • When an error is displayed on the LCD screen, repair is necessary. Contact your authorized Hioki distributor or reseller.
Page 243 Unable to switch I input. The Check the current sensor connection. “2.5 Setting Wiring Mode wiring includes one or more and Configuring Current different current sensors. Sensor Settings” (p. 41) Failed to load data. Same as above – HIOKI PW8001A961-00...
Page 244 Otherwise, check the FTP client settings. the FTP Client Function” period of time. (p. 168) Failed to resend the FTP file. Same as above – Saved in a file. Please wait. Wait a moment. – HIOKI PW8001A961-00...
Page 245: Frequently Asked Questions
See “9.1 Connecting and Setting the LAN Interface” (p. 158). Can I retrofit channels to my instrument after delivery? Hioki can modify the instrument by custom order. Contact your authorized Hioki distributor or reseller. The saved data includes a numeric value of 1.00E+104. What does this mean? This indicates that data points are in a overload condition or a peak-over condition.
Page 246: Calculation Of The Combinatorial Accuracy
Range accuracy = 0.03% of range + (50 A / 10 A) 0.01% of full scale = 0.08% of range ± ± The accuracy for active power is 0.07% of reading and 0.08% of range (with power range 6 kW). HIOKI PW8001A961-00...
Page 247: External View
External View 11.6 External View ±2 ±2 ±2 ±2 (Unit: mm) HIOKI PW8001A961-00...
Page 248: Rackmount Fittings
(Unit: mm) 24.5 (24.5) 10×C2 70.75 13.8 2×C2 × M5 spacer (reference: Fabace FK-M5-7) JIS-compliant rackmount fitting (for left side) Material: A5052 Thickness: t3 (Unit: mm) (24.5) 24.5 10×C2 13.8 70.75 2×C2 × M5 spacer (reference: Fabace FK-M5-7) HIOKI PW8001A961-00...
Page 249 Blank panel for a JIS-compliant rack Material: A5052 Thickness: t1.6 (Unit: mm) M3 press nut M3 press nut (1.6 ) 431.6 427.4 2×C3 EIA-compliant rackmount fitting Material: A5052 Thickness: t3 (Unit: mm) 221.5 101.6 6×C2 R3.5 2×C2 × M5 spacer (reference: Fabace FK-M5-6) HIOKI PW8001A961-00...
Page 250 Keep the removed M4 cap bolts. Attach the rackmount fittings to the × instrument with M4 16 mm screws (two × : M4 8 mm cap bolt each on the left and right). × : M4 16 mm binding head machine screw HIOKI PW8001A961-00...
Page 251: About Technical Information
About Technical Information 11.8 About Technical Information Examples of technical information related to Hioki Power Analyzer are shown below. You can download them from the PW8001 or the PW6001 introduction page. Resources in Japanese • High-Precision, Wideband, Highly Stable Current Sensing Technology •...
Page 252: Block Diagram
Opt fiber 1 MΩ Range (optional) Isolator Zero-crossing detection Each channel isolated Ch. B, D, F, H input circuit 1 MΩ Zero-crossing Isolator detection Each channel isolated D/A output circuit (optional) 100 Ω Ch. 1 to Ch. 20 HIOKI PW8001A961-00...
Page 253: Disposal Of The Instrument (How To Remove The Lithium Battery)
Remove the USB cable from the printed circuit board. Insert the tip of the flat-head screwdriver between the battery holder on the internal printed circuit board and the battery and lift up on the battery to remove it. HIOKI PW8001A961-00...
Page 254: Open-Source Software
License, and other licensed software. Customers who have purchased this product have the right to obtain, modify or redistribute the source code of the software in accordance with these licenses. For more information, visit the following website. https://www.hioki.com/en/support/oss/ Please do not inquire about the contents of the source code. HIOKI PW8001A961-00...
Page 255: Index
Data refresh interval ........... 24, 57 Integration..............65 DC mode ..............69 Integration mode............69 Default gateway ............160 Intermediate harmonic ..........74 Degaussing............... 46 Inter-order harmonic ..........75 Delta conversion ..........24, 111 IP address .............. 160 HIOKI PW8001A961-00...
Page 256 Power supply inlet ............ 18 Trigger slope ............101 Pre-trigger............... 101 Trigger source ............101 Probe 1 terminal ..........34, 35 Probe 2 terminal ............37 Pulse noise filter (PNF)..........85 Pulse signal measurement ........79 USB flash drive ..........23, 119 HIOKI PW8001A961-00...
Page 257 Y-delta conversion ........... 112 Zero adjustment..........16, 46 Zero-cross filter ............101 Zero-cross filter (ZCF) ..........101 Zero-cross high-pass filter (ZC HPF) ......61 Zero-crossing............58 Zero position ............. 96 Z-phase ..............91 Z-phase reference ..........91, 94 HIOKI PW8001A961-00...
Page 258 Index HIOKI PW8001A961-00...
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