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IMV Sine K2 Instruction Manual

Vibration control system
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Sine Vibration Control System
K2
K2Sprint
SINE
Instruction Manual
Limitation of K2Sprint/SINE
･Maximum numbers of usable input channel are '2' channels.
･Option of LIMIT CONTROL can not be added.
IMV CORPORATION

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  • Page 1 Sine Vibration Control System K2Sprint SINE Instruction Manual Limitation of K2Sprint/SINE ･Maximum numbers of usable input channel are ‘2’ channels. ･Option of LIMIT CONTROL can not be added. IMV CORPORATION...
  • Page 2 Type of Document : Instruction Manual System Applied : K2/K2Sprint Software <SINE> later than Version 20.1.0...
  • Page 3 Japanese Edition Version Date Contents 1.0.0 2004.01.30 First edition 1.0.1 2004.04.02 Correction of a misprint 1.1.0 2004.05.21 Additional description of Sub. Output, 1.2.0 2004.06.21 Additional description of Measured profile definition 2.0.0 2004.08.10 Additional description of Simplified definition 3.0.0 2005.01.27 Additional description of At processing of re-excitation in Setup 3.1.0 2005.03.31 Additional description of ‘Transmissibility Display Unit’, ‘Excitation Level...
  • Page 4 Version Date Contents 14.2.0 2018.09.10 Additional description of Spot trend graph, additional description of rest time(Operation Status), additional description of "type of interpolation" of control reference profile 14.3.0 2019.04.19 Additional description of “Safety check”, modified description of Data save condition, correction of misprints 14.4.0 2019.09.20 Correction of a misprint...
  • Page 5 English Edition Version Date Contents 1.0.1 2004.04.02 First edition, Correction of a misprint 1.2.0 2004.07.02 Additional description of Sub. Output, Acceleration Pickup Sensitivity Calibration, Measured profile definition 2.0.0 2004.08.17 Additional description of Simplified definition 3.1.0 2005.04.06 Additional description of ‘at processing of re-excitation’, ‘Transmissibility Display Unit’, ‘Excitation Level Mode’...
  • Page 6 Version Date Contents 14.2.0 2018.09.10 Additional description of Spot trend graph, additional description of rest time(Operation Status), additional description of "type of interpolation" of control reference profile 14.3.0 2019.04.19 Additional description of “Safety check”, modified description of Data save condition, correction of misprints 14.4.0 2019.09.20 Correction of a misprint...

  • Page 7: Table Of Contents

    CONTENTS Chapter 1 Outline of the System............1-1 1.1 Specifications ..............1-1 1.1 1 SINE ................ 1-1 1.1.2 Resonance dwell (Option of SINE) ..........1-3 1.1.3 Limit Control (Option of SINE) ..........1-4 1.1.4 Multi Sweep Sine (Option of SINE) ........... 1-4 Chapter 2 Operation System of K2 Application ..........
  • Page 8 4.3.4.5 Response linearity check..........4-13 4.3.4.6 Response upper limit check..........4-13 4.4 Control reference ..............4-14 4.4.1 Sweep test ..............4-15 4.4.1.1 Sweep mode............4-16 4.4.1.2 Direction............. 4-17 4.4.1.3 Sweep rate............4-18 4.4.1.4 Hold the sweep at the maximum sweep frequency ......4-18 4.4.1.5 Sweep pause time............
  • Page 9 4.4.3.5 Auto shutdown frequency changing ratio ........ 4-34 4.4.4 Profile definition ............4-35 4.4.4.1 Simplified definition ..........4-36 4.4.4.2 Detailed definition (Constant) ........4-37 4.4.4.2.1 Break point / Frequency (Constant) ......4-38 4.4.4.2.2 Break point / Level (Constant) ........4-38 4.4.4.3 Detailed Definition (Interpolation) ........
  • Page 10 4.10 Safety check ..............4-66 4.10.1 Outline ..............4-66 Chapter 5 Messages and Meanings ............5-1 5.1 K2Sine Error Messages ............. 5-1 Chapter 6 Supplemental Explanation ............6-1 6.1 Timer ................6-1 6.2 Set Up ................6-2 6.3 Manual Operation ..............6-7 6.3.1 Use Examples of Manual Timer ..........

  • Page 11: Chapter 1 Outline Of The System

    Chapter 1 Outline of the System 1.1 Specifications 1.1 1 SINE (1) Control Method : Level control of the swept sine waveform by using the feed-back method (2) Control Frequency : 0.1～20 000 Hz (However it may be limited by conditions.) (3) Frequency Resolution : Less than 10 of output frequency (4) Control Dynamic Range : More than 114 dB...
  • Page 12 (10) Analysis / Display Data The trace of the level for controlled response and response of each input channel The trace of the level for drive Each level data for every moments, accumulated value of the vibration times Control response / Drive transmissibility, Each input channel / Controlled response transmissibility, Each input channel / Drive transmissibility･phase, Transmissibility･phase between the input channels Distortion and Single Tolerance of the response signal to each input channels...

  • Page 13: Resonance Dwell (Option Of Sine)

    1.1.2 Resonance dwell (Option of SINE) There are two types of resonance dwelling. “I. Auto Searching & Dwelling” can work with Resonance Dwell option. “II. Pre-searching & Dwelling” requires Amplitude Search option in addition to Resonance Dwell option. I. Auto Searching & Dwelling (Resonance Dwell option) This requires a preliminarily specified phase difference considered as a resonance point.

  • Page 14: Limit Control (Option Of Sine)

    (2) Input Channel Two input channels used as Base channel for the base of observation and Search channel for the resonance search are specified. (3) Number of Resonance point A maximum of 16 resonance points can be registered. (4) Resonance Point Definition A frequency at which Q-value and Amplitude Transmissibility exceed set value is considered as Resonance point.
  • Page 15 (3) Frequency Resolution: Less than 10 of output frequency. (4) Control Dynamic Range: More than 114 dB (However it may depend on conditions.) (5) Operation Mode 1) Multiple frequency sweep 2) Time delayed sweep 3) Multi spot (6) Sweep Operation Sweep mode: Log / Linear Sweep type: Single / Double Direction: Forward / Backward (only multiple frequency sweep)

  • Page 16: Chapter 2 Operation System Of K2 Application

    Chapter 2 Operation System of K2 Application 2.1 Outline In K2 application, operation after booting up is executed by using a keyboard and a mouse. When this application is started, a window shown as below appears. All the names of menu in this application are displayed in Menu bar. Each menu is to be opened by clicking on its name and available commands appears as a list.

  • Page 17: Test File

    Information) : SystemInfo.Dat2 Note 1) Saved in ‘\IMV\K2_2nd’ on System Drive. Deleting inhibited In K2 of the version before Ver.10.0.0.0, there are saved in ‘\IMV\K2’ on System Drive. In K2 of the version before Ver.6.0.0.0, there are saved in the Windows folder.

  • Page 18: Test Type

    2.3 Test Type Three types of tests as below are available in K2/SINE. ① Sweep test Sweep test is the most popular testing method used in sine vibration test. In this test, the system operates the sine vibration control by changing the frequency continuously according to the specified conditions.

  • Page 19: Chapter 3 Basic Operation

    Chapter 3 Basic Operation 3.1 Sweep (Simplified definition) < Example > An example of sweep test is described as below ; [Reference pattern] Acceleration [m/s Displacement： 1[mm] 20.0 31.83 2000 Frequency [Hz] [Test time] Sweep rate : 1.000 (octave/min) The times of double sweep : 1 (double-sweep) [Information of sensors to be used] Two acceleration pickups of piezoelectric : one is used for control and another for monitor.
  • Page 20 < Procedures > < Step 1 > Press the button of [New] to start new definition. < Step 2 > Select the item of ‘Sweep’ in Test type. 3 - 2...
  • Page 21 < Step 3 > Select an excitation system from the list of ‘Excitation System Information’. < Step 4 > Click the checkbox of ‘Input Environment Information’ and select an input environment information from the list. ① ② 3 - 3...
  • Page 22 < Step 5 > Press the button of [OK]. < Step 6 > Press the button of [Next] to go to the next definition. 3 - 4...
  • Page 23 < Step 7 > Press the button of [OK]. < Step 8 > Press the button of [Next] to go to the next definition. 3 - 5...
  • Page 24 < Step 9 > Press the button of [OK]. < Step 10 > Press the button of [Next] to go to the next definition. 3 - 6...
  • Page 25 < Step 11 > Select the item of ‘Simplified definition (Specify by level and frequency range only)’ and press the button of [Next]. ① ② < Step 12 > Input the values to ‘Frequency range’ as 10～2000.0 [Hz]. Check the item of ‘Acc. (Acceleration)’ and input as 20.0 [m/s ①...
  • Page 26 < Step 13 > Check the item of ‘Disp. (Displacement)’ and input as 1 [mm]. Then press the button of [OK]. ① ② ③ < Step 14 > Press the button of [OK]. 3 - 8...
  • Page 27 < Step 15 > Input the value to ‘Sweep rate’ as 1.000 [octave/min]. And press the button of [OK]. ① ② < Step 16 > Press the button of [Next] to go to the next definition. 3 - 9...
  • Page 28 < Step 17 > Select ‘Ch. 1’ and check the check box of ‘Control’. And select ‘Ch. 2’ and check the check box of ‘Monitor’. Then press the button of [OK]. ① ② < Step 18 > Press the button of [Next]. 3 - 10...
  • Page 29 < Step 19 > Select ‘Not save’ and press the button of [OK]. ① ② < Step 20 > Press the button of [Next]. 3 - 11...
  • Page 30 < Step 21 > Select ‘Excitation force check’ and input the value as ‘Specimen mass : 10 [kg]. And press the button of [OK]. ③ ② ① < Step 22 > The definition is completed. 3 - 12...
  • Page 31 < Save test > < Step 1 > Press the button of [Save]. < Step 2 > Input a name in ‘File name’ and press the button of [Save]. ② ① 3 - 13...
  • Page 32 < Operation of test > < Step 1 > Press the button of [Operation start]. 3 - 14...
  • Page 33 < Step 2 > Press the button of [Start]. When [Start] is pressed, Initial loop check, and Initial equalization are automatically operated. Then, the test operation is executed. 3 - 15...
  • Page 34 < Step 3 > Test operation is completed when the test time passed. The system returns to the test definition mode by pressing the button of [Operation end] . 3 - 16...

  • Page 35: Sweep (Detailed Definition Break Point)

    3.2 Sweep (Detailed Definition Break Point) < Example > An example of sweep test is described as below ; [Reference pattern] Acceleration [m/s Slope:-3[dB/oct] Slope:0[dB/oct] 2000 300 500 Frequency[Hz] [Test time] Sweep rate : 1.000 (octave/min) The times of double sweep : 1 (double-sweep) [Information of sensors to be used] Two acceleration pickups of piezoelectric : one is used for control and another for monitor.
  • Page 36 < Procedures > < Step 1 > Press the button of [New] to start new definition. < Step 2 > Select the item of ‘Sweep’ in Test type. 3 - 18...
  • Page 37 < Step 3 > Select an excitation system from the list of ‘Excitation System Information’. < Step 4 > Click the checkbox of ‘Input Environment Information’ and select an input channel information from the list. 3 - 19...
  • Page 38 < Step 5 > Press the button of [OK] . < Step 6 > Press the button of [Next] to go to the next definition. 3 - 20...
  • Page 39 < Step 7 > Press the button of [OK]. < Step 8 > Press the button of [Next] to go to the next definition. 3 - 21...
  • Page 40 < Step 9 > Press the button of [OK]. < Step 10 > Press the button of [Next] to go to the next definition. 3 - 22...
  • Page 41 < Step 11 > Select the item of ‘Detailed definition (Break point)’. And select ‘Interpolation’. Then press the button of [Next]. ② ③ < Step 12 > Select ‘Level’. Specify Type of interpolation as ‘Frequency : Log – Level : Log’ and Unit of slope as ‘dB/octave’.
  • Page 42 < Step 13 > Input the values to ‘Frequency’ as 30 [Hz] and ‘Level’ as 5.0 [m/s ]. And press the button of [Add]. ② ① < Step 14 > Input the values to ‘Frequency’ as 100 [Hz] and ‘Level’ as 10.0 [m/s ].
  • Page 43 < Step 15 > Select ‘Slope’. Input the values to ‘Frequency’ as 300 [Hz] and ‘Slope’ as 0.0 [dB/octave]. And press the button of [Add]. ② ③ ① < Step 16 > Select ‘Level’. Input the values to ‘Frequency’ as 500 [Hz] and ‘Level’ as 20.0 [m/s ].
  • Page 44 < Step 17 > Select ‘Slope’. Input the values to ‘Frequency’ as 2000 [Hz] and ‘Slope’ as -3.0 [dB/octave]. And press the button of [Add]. Then press the button of [OK]. ④ ③ ① ② < Step 18> Press the button of [OK]. 3 - 26...
  • Page 45 < Step 19 > Input the value to ‘Sweep rate’ as 1.000 [octave/min]. And press the button of [OK]. ② ① < Step 20 > Press the button of [Next] to go to the next definition. 3 - 27...
  • Page 46 < Step 21 > Select ‘Ch. 1’ and check the check box of ‘Control’. And select ‘Ch. 2’ and check the check box of ‘Monitor’. Then press the button of [OK]. ① ② < Step 22 > Press the button of [Next]. 3 - 28...
  • Page 47 < Step 23 > Select ‘Not save’ and press the button of [OK]. ① ② < Step 24 > Press the button of [Next]. 3 - 29...
  • Page 48 < Step 25 > Select ‘Excitation force check’ and input the value as ‘Specimen mass : 10 [kg]. And press the button of [OK]. ① ③ ② < Step 26 > The definition is completed. 3 - 30...
  • Page 49 < Save of test > < Step 1 > Press the button of [Save]. ① < Step 2 > Input a name in ‘File name’ and press the button of [Save]. 3 - 31...
  • Page 50 < Operation of test > < Step 1 > Press the button of [Operation start]. 3 - 32...
  • Page 51 < Step 2 > Press the button of [Start]. When [Start] is pressed, Initial loop check, and Initial equalization are automatically operated. Then, the test operation is executed. 3 - 33...
  • Page 52 < Step 3 > Test operation is completed when the test time passed. The system returns to the test definition mode by pressing the button of [Operation end]. 3 - 34...

  • Page 53: Spot Test

    3.3 Spot Test < Example > An example of Spot test is described as below ; [Reference pattern] The relation of Frequency and Level in the following list specifies a spot. Frequency Level Stay time 200[Hz] 100[m/s 0-p] 10[min.] 10[Hz] 20[mm p-p] 100[times] 500[Hz]...
  • Page 54 < Procedures > < Step 1 > Press the button of [New] to start new definition’. < Step 2 > Select the item of ‘Spot test’ in Test type. 3 - 36...
  • Page 55 < Step 3 > Select an excitation system information from the list of ‘Excitation System Information’. < Step 4 > Click the checkbox of ‘Input Environment Information’ and select an input environment information from the list. ① ② 3 - 37...
  • Page 56 < Step 5 > Press the button of [OK]. < Step 6 > Press the button of [Next] to go to the next definition. 3 - 38...
  • Page 57 < Step 7 > Press the button of [OK]. < Step 8 > Press the button of [Next] to go to the next definition 3 - 39...
  • Page 58 < Step 9 > Press the button of [OK]. < Step 10 > Press the button of [Next] to go to the next definition. 3 - 40...
  • Page 59 < Step 11 > Input the values to ‘Frequency’ as 200 [Hz], ‘Level’ as 100 [m/s 0-p] and ‘Stay time’ as 10:00 [sec] (10 minutes). Press the button of [Add]. ① ② ④ ③ < Step 12 > As in the same procedure, input the value to ‘Frequency’ as 5 [Hz], ‘Level’ as 20 [mm p-p] and ‘Stay time’...
  • Page 60 < Step 13 > As in the same procedure, input the value to ‘Frequency’ as 500 [Hz], ‘Level’ as 0.05 [cm/s 0-p] and ‘Stay time’ as 300 [kcycle]. Press the button of [Add]. ① ② ④ ③ 3 - 42...
  • Page 61 < Step 14 > Press the button of [OK]. < Step 15 > Press the button of [Next] to go to the next definition. 3 - 43...
  • Page 62 < Step 16 > Select ‘Ch. 1’ and check the check box of ‘Control’. And select ‘Ch. 2’ and check the check box of ‘Monitor’. Then press the button of [OK]. ① ② < Step 17 > Press the button of [Next]. 3 - 44...
  • Page 63 < Step 18 > Select ‘Not save’ and press the button of [OK]. ① ② < Step 19 > Press the button of [Next]. 3 - 45...
  • Page 64 < Step 20 > Select ‘Excitation force check’ and input the value as ‘Specimen mass : 10 [kg]. And press the button of [OK]. ① ③ ② < Step 21 > The definition is completed. 3 - 46...
  • Page 65 < Save of test > < Step 1 > Press the button of [Save]. < Step 2 > Input a name in ‘File name’ and press the button of [Save]. ① ② 3 - 47...
  • Page 66 < Operation of test > < Step 1 > Press the button of [Operation start]. 3 - 48...
  • Page 67 < Step 2 > Press the button of [Start]. When [Start] is pressed, Initial loop check (only when it is defined) and Initial equalization are automatically operated. Then, the test operation is executed. 3 - 49...
  • Page 68 < Step 3 > Excitation is executed in the order of the specified spots. 3 - 50...
  • Page 69 < Step 4 > Test operation is completed when the schedule of the specified spots are finished. The system returns to the test definition mode by pressing the button of [Operation end]. 3 - 51...

  • Page 70: Manual Test

    3.4 Manual Test < Example > An example of Manual test is described as below ; [Reference pattern] Frequency : 100 (Hz) Acceleration : 10 (m/s [Information of sensors to be used] Two acceleration pickups of piezoelectric : one is used for control and another for monitor. Ch.
  • Page 71 < Procedures > < Step 1 > Press the button of [New] to start new definition. < Step 2 > Select the item of ‘Manual’ in Test type. 3 - 53...
  • Page 72 < Step 3 > Select an excitation system information from the list of ‘Excitation System Information’. < Step 4 > Click the checkbox of ‘Input environment information selection’ and select an Input environment information from the list. ① ② 3 - 54...
  • Page 73 < Step 5 > Press the button of [OK]. < Step 6 > Press the button of [Go to the next definition]. 3 - 55...
  • Page 74 < Step 7 > Press the button of [OK]. < Step 8 > Press the button of [Next] to go to the next definition. 3 - 56...
  • Page 75 < Step 9 > Press the button of [OK] button. < Step 10 > Press the button of [Next] to go to the next definition. 3 - 57...
  • Page 76 < Step 11 > Input the values to ‘Frequency’ as 100 [Hz]. Check the item of ‘Acc. (Acceleration)’ of Level and input as 10.0 [m/s ]. Then press the button of [OK]. ④ ① ③ ② < Step 12 > Press the button of [Next] to go to the next definition.
  • Page 77 < Step 13 > Select ‘Ch. 1’ and check the check box of ‘Control’. And select ‘Ch. 2’ and check the check box of ‘Monitor’. Then press the button of [OK]. ① ② < Step 14 > Press the button of [Next]. 3 - 59...
  • Page 78 < Step15 > Select ‘Excitation force check’ and input the value as ‘Specimen mass : 10 [kg]. And press the button of [OK]. ① ② ③ < Step16 > The definition is completed. 3 - 60...
  • Page 79 < Save of test > < Step 1 > Press the button of [Save]. < Step 2 > Input a name in ‘File name’ and press the button of [Save]. ① ② 3 - 61...
  • Page 80 < Operation of test > < Step 1 > Press the button of [Operation start]. 3 - 62...
  • Page 81 < Step 2 > Press the button of [Start] (Excitation start). When [Start] is pressed, Initial loop check (if it is defined) and Initial equalization is automatically operated. Then, test operation is started. 3 - 63...

  • Page 82: Simplified Definition

    3.5 Simplified Definition Continuous sweep test (Reference profile by simplified definition) can be operated in simple method by using Simplified Definition mode. < Example > An example of continuous sweep test is described as below ; [Reference pattern] Acceleration [m/s Displacement : 1[mm] 20.0...
  • Page 83 < Procedures > < Step 1 > Press the button of [Simplified] to start the ‘Simplified Definition’. < Step 2 > Select ‘System1’ among the items of Excitation System Information. And press the button of [Profile]. ① ② 3 - 65...
  • Page 84 < Step 3 > Input the values to ‘Frequency range’ as 10 ~ 2000.0 [Hz] and ‘Acc. (Acceleration)’ as 20.0 [m/s ① ② < Step 4 > Select the check box of ‘Disp. (Displacement)’ and input the value of 1 [mm]. And press the button of [OK].
  • Page 85 < Step 5 > Press the button of [Tolerance]. < Step 6 > Press the button of [OK]. 3 - 67...
  • Page 86 < Step 7 > Input the value to ‘Sweep rate’ as 1.0 [octave/min] and press the button of [Add] for Input Channel. ① ‘Test time’ needs to be set to 1 [double-sweep]. ② < Step 8 > Set the details of an input channel as below and press the button of [OK] ; Channel name : Ch.1 Module ID : 000 Ch : Ch.1...
  • Page 87 < Step 9 > Press the button of [OK]. < Step 10 > Select ‘Safety check’ and press the button of [Change]. ② ① 3 - 69...
  • Page 88 < Step 11 > Select ‘Excitation force check’ and input the value as ‘Specimen mass : 10 [kg]. And press the button of [OK]. ① ③ ② < Step 12 > The definition is completed. 3 - 70...
  • Page 89 < Save of test > < Step 1 > Press the button of [Test Save]. < Step 2 > Input a name in ‘File name’ and press the button of [Save]. ① ② 3 - 71...
  • Page 90 < Operation of test > < Step 1 > Press the button of [Operation start]. 3 - 72...
  • Page 91 < Step 2 > Press the button of [Start] (Excitation start). When [Start] is pressed, Initial loop check and Initial equalization is automatically operated. Then, test operation is started. 3 - 73...
  • Page 92 < Step 3 > Test operation is ended when the test time is completed. The system returns to the test definition mode by pressing the button of [Operation end]. 3 - 74...

  • Page 93: Chapter 4 Test Definition

    Chapter 4 Test Definition 4.1 Outline In this system, the series of necessary information to operate a test is called ‘Test’. It is necessary to define a ‘Test’ at first for the test operation when a specified test is wanted to be operated.

  • Page 94: Fundamental/Control Condition

    4.2 Fundamental/Control Condition Control condition of K2 controller is defined. 4.2.1 Controlled variable (1) Meaning Unit of physical quantity (controlled variable) used as a control objective for K2 controller is specified. Control unit defined in this item is treated as a unit in test definition. A unit specified in ‘Other units’...

  • Page 95: Peak Amplitude Estimation

    4.2.3 Peak amplitude estimation (1) Meaning For calculating the amplitude (peak level) of a response signal waveform or the control channel, a method of Peak Amplitude Estimation is selected from the following three types ; 1. rms Equivalent peak estimation method by rms (Root Mean Square) value : That is, under the assumption that the response waveform is a sinusoid having the frequency of controlled value, the following processing is done ;...

  • Page 96: Loop Check

    4. Max. peak For each cycle of response waveform signal, the peak values at plus (+) and minus (-) direction are detected. The larger detected peak value (the maximum absolute value of response waveform data for a cycle) is averaged by frequency of analysis. This averaged value is used as amplitude estimation value.
  • Page 97 A : Pre-check In the state of waiting for the excitation start, when the environment noise (ambient noise) inputted to the input channels is measured just after pressing the button for excitation start, the gain of the excitation system is checked whether it is normal or not before the control operation starts.

  • Page 98: Transmissibility Check Value [In Initial Excitation]

    4.2.4.1 Transmissibility check value [in initial excitation] (1) Meaning This item is intended for specifying the allowance for the transmissibility variations at the initial measurement or initial equalization. If the transmissibility variations exceed the specified value, the test is aborted. 4.2.4.2 Transmissibility check value [in test operation] (1) Meaning This item is intended for specifying the allowance for the transmissibility variations...
  • Page 99 1. Sharp This item is for setting of the control at a faster response speed. For controlled system with instability of the response, when the resonance magnification is too high, the control may become unstable and the ‘hunting’ may occur by this setting.

  • Page 100: Shutdown Time

    4.2.6 Shutdown time (1) Meaning In this system, the drive signal output can be aborted by the order of ‘Excitation stop’ during the drive outputting state in the testing. When a response that exceeds over the specified ‘Abort level’ is detected, the drive signal output is automatically aborted. However, it is dangerous to cut off the drive output suddenly.

  • Page 101: Pause Before Transitioning To "In Excitation

    4.2.7 Pause before transitioning to "In excitation" (1) Meaning After starting the excitation, the response gradually approaches the reference by adjusting the drive output signal. And when the response coincides with the reference, the test status becomes ‘In excitation’ and the test continues. When this item is checked, the status becomes ‘Pause’...

  • Page 102: Excitation System Setting

    4.3 Excitation system setting The items of Excitation / Output system for control are defined. 4.3.1 Initial output voltage (1) Meaning ‘Initial output voltage’ is the voltage that outputted to the shaker at first in control operation. The control operation is always started at the drive voltage defined in this dialog when the excitation begins at zero of drive.

  • Page 103: Testing Abort Output Voltage

    4.3.3 Testing abort output voltage (1) Meaning This item is for setting of the upper limit voltage of drive that allowed in test operation by the system. The drive voltage to be outputted by the system is limited with in the set value of Max drive voltage.

  • Page 104: Frequency

    4.3.4.1 Frequency (1) Meaning This item is for setting of the frequency of output voltage at initial loop check. Generally, the setting of 40 [Hz] is applicable to electro-dynamic shaker. 4.3.4.2 Output voltage (1) Meaning This item is for setting of the voltage level at initial loop check. 4.3.4.3 Severity (1) Meaning This item is for specifying the judgment criterion of unusual phenomenon in loop check.

  • Page 105: Response Linearity Check

    4.3.4.5 Response linearity check (1) Meaning Refer to the help file. 4.3.4.6 Response upper limit check (1) Meaning This item is for specifying of the response abort level (the upper limit) in excitation of initial loop check. When the response obtained by excitation of initial loop check exceeds over the set value of this item, the test operation is to be aborted.

  • Page 106: Control Reference

    4.4 Control reference This item is for setting of the control reference, and the testing pattern us decided by this item. For the definition of this item, because the definition format peculiar to each test type is needed, the different definition methods are provided for each test type. However, the main definition contents for the control reference are basically the same for each test type.

  • Page 107: Sweep Test

    4.4.1 Sweep test (1) Outline This item is for defining the control reference for Sweep test. Sweep test is the most popular testing method in the sine vibration tests. In this test, the sine control is executed with changing the frequency continuously according to the specified condition.

  • Page 108: Sweep Mode

    4.4.1.1 Sweep mode (1) Meaning This item is for setting of the sweep mode by selecting among the two items as below ; 1. Linear This item is for setting of the sweep mode of which frequency f varies proportionally to the elapsed time t, that is, the operation of ‘Linear Sweep’ to be done ;...

  • Page 109: Direction

    4.4.1.2 Direction (1) Meaning When the sweeping operation is executed in the specified sweep band [f1, f2], one of the following for directions are to be selected ; 1. Forward single The single sweeping is operated from lower to higher ranges, as ; f1→f2 , f1→f2 , f1→f2 This item is for setting of a sweeping direction that swept generally just one-way as above in the sweep band.

  • Page 110: Sweep Rate

    4.4.1.3 Sweep rate (1) Meaning The setting method of Sweep rate has two ways of specifying as below ; A : Specify the time to complete one sweeping operation. B : Specify the value for the parameter of a sweep rate, literally. In the setting method A, Sweep rate is specified by time, so that the same unit can be used either the mode of sweep is set to ‘Linear Sweep’...

  • Page 111: Profile Definition

    4.4.1.6 Profile definition (1) Outline This item is for setting of the break point definition of control reference. The unit level in profile is specified as the same unit as the unit defined in Fundamental/Control Condition. Refer to “4.4.4 Profile definition” about the details. 4.4.1.7 Tolerance definition (1) Outline This item is for defining the condition of Tolerance check.
  • Page 112 The sweeping is operated as below with specifying ‘double-sweep’ as the unit of sweeping and setting the sweep times to 2 ; f1 → f2 → f1 → f2 → f1 3. Specify by time This method is for specifying of time for excitation. When the set time elapsed, the test operation is finished even in the middle of a sweep.

  • Page 113: Spot Test

    4.4.2 Spot test (1) Outline This item is for defining the control reference for Spot test. In Spot test, the frequency and the reference level at which the excitation is executed are specified at first, and the testing operation of the set condition is executed in order. Therefore, the sweeping is not done in Spot test.

  • Page 114: Spot Reference Definition

    4.4.2.1 Spot Reference definition (1) Meaning This item is for defining the spot element. The buttons described as below are usable in the definition dialog. Spot elements can be registered for maximum 9999. [Add] : This button is for registering of a new spot element. A spot element is to be registered and displayed in the list of the definition by pressing of this button after the necessary items to define a spot element such as frequency and reference level were set.

  • Page 115: Frequency

    4.4.2.1.1 Frequency (1) Meaning This item is for setting of the excitation frequency of a spot element. 4.4.2.1.2 Level (1) Meaning This item is for setting of the reference level for the spot element. The unit or the reference level is to be selected among ‘Acceleration / Velocity / Displacement’...

  • Page 116: Stay Time

    4.4.2.1.4 Stay time (1) Meaning This item is for setting of Stay time for a spot element. Stay time is to be measured when the excitation level is set as the specified level and the control becomes stationary. 4.4.2.2 Auto-generation condition of the spot by profile (1) Outline This function is for generating the fixed frequency excitation of the frequency sequence defined by the specified spacing.

  • Page 117: Generating Mode

    4.4.2.2.1 Generating mode (1) Meaning Available generation modes of spot are ‘Log (equivalent ratio)’ and ‘Linear (equivalent ratio)’. 4.4.2.2.2 Generation interval (1) Meaning This item is for defining of the frequency interval at each spot. The definition methods are different according to the Generating mode. Spot interval is set by ‘equivalent interval’...

  • Page 118: Stay Time (By Vibration Cycles)

    4.4.2.2.5 Stay time (By vibration cycles) (1) Meaning This item is for specifying the stay time of excitation at each spot frequency by vibration cycles. Excitation time at each spot is specified by the number of vibration cycles in this item and the prior item.

  • Page 119: Repeat Pause Time

    4.4.2.4 Repeat pause time (1) Meaning This item is for setting of the time for the signal output stop at the turning point if the spot sequence. The excitation is stopped at the turning point of the spot sequence for the specified times.

  • Page 120: Manual Operation Initial Parameters Is To Be Changed

    4.4.2.6 Manual operation initial parameters is to be changed (1) Meaning This function is for starting the excitation at the lower reference level specified in this item. This item is for setting of the increase/decrease value of reference level for every operation in Manual operation box.

  • Page 121: Load Csv File

    4.4.2.7 Load CSV file This function is valid when the controlled variable is specified among “acceleration / velocity / displacement”. The control reference is defined by the CSV file of the specific format. 4.4.2.7.1 Load the data file (1) Meaning Select a CSV data file to be used as a control reference.
  • Page 122 After loading the selected CSV file, the graph of control reference is displayed. 4 - 30...

  • Page 123: Setting Of Tolerance / Stay Time

    4.4.2.7.2 Setting of Tolerance / Stay time (1) Meaning Tolerance and stay time of control reference is to be defined. Stay time can be set only by time. Also, the defined tolerance and stay time are used for all the spot elements as default setting.

  • Page 124: Csv File Format

    4.4.2.7.3 CSV file format (1) Meaning The format of CSV file described as below. 1st column 2nd column 3rd column Frequency(Hz), Physical quantity code Level data ***.***, ***.***, ***.** ***.***, ***.***, ***.** ***.***, ***.***, ***.** ： ： ： ***.***, ***.***, ***.*** ・Frequency data is specified in the 1st column.

  • Page 125: Manual Test

    4.4.3 Manual Test (1) Outline This item is for defining the control reference of Manual test. Manual test is a special method of test operation in which this system is started by manual operation only. Therefore, this test has the different character from the other types of tests that is executed according to the defined control reference condition of the test definition set previously.

  • Page 126: Frequency

    4.4.3.1 Frequency (1) Meaning This item is for setting of the excitation frequency. 4.4.3.2 Increment (Frequency) (1) Meaning This item is for setting of the value for increasing and decreasing of the excitation frequency at the key operation for 1 time in Manual operation box. 4.4.3.3 Level (1) Meaning This item is for setting of the excitation level.

  • Page 127: Profile Definition

    4.4.4 Profile definition (1) Outline Reference pattern is defined by ‘Profile’ in Sweep test. ‘Profile’ is a table in which the series of break points specified by the frequency data and the level are defined. In K2 application, three methods of sweep reference definition are available for ‘Profile’ definition as below;...

  • Page 128: Simplified Definition

    4.4.4.1 Simplified definition (1) Meaning Generally, the Sine vibration test is executed by using the quantity of ‘Acceleration / Velocity / Displacement’ as a reference level, and the reference profile of sweep sine vibration test is defined as follows in the most cases ; <...

  • Page 129: Detailed Definition (Constant)

    4.4.4.2 Detailed definition (Constant) Constant profile is a traditional and the most popular definition method in Sine vibration test, and it defines the level to keep the definition quantity at the constant value in each segment dividing the test range on the frequency axis into some segments. When a reference level to keep the definition quantity at the constant value in each segment is defined, this level defined at a break point specifies the level in the whole range of the current segment extended to the next break point.

  • Page 130: Break Point / Frequency (Constant)

    < Example 2 > 10[Hz]～30[Hz] : 2.0 [mm] Constant 30[Hz]～40[Hz] : 1.0 [cm/s] Constant 40[Hz]～100[Hz] : 10 [m/s ] Constant 100[Hz] : The last break point Note) The vertical axis displays the control unit in the graph of profile. 4.4.4.2.1 Break point / Frequency (Constant) (1) Meaning A pair of the frequency data and the reference level data that specifies the border of each segment is set from the lower frequency range in order as a break point data.

  • Page 131: Detailed Definition (Interpolation)

    4.4.4.3 Detailed Definition (Interpolation) Interpolation profile has a generalized concept of the constant profile which is popularly used. The value on the straight line that connects the two adjoining break points in the frequency level plane defines the level for each frequency point in the current segment. The level is always needed to be set as the same physical quantity.

  • Page 132: Type Of Interpolation

    4.4.4.3.1 Type of interpolation (1) Meaning In this item, interpolation method between the break points is selected among the followings. Also, the initial graph scale (Log or Linear) is set to the same as that of the selected type. ・Frequency : Log – Level : Log ・Frequency : Log –...

  • Page 133: Break Point / Slope (Interpolation)

    Different from the constant profile, the physical quantity for the set level can be specified as a one of the physical quantities when the physical quantity is specified as ‘Acceleration / Velocity / Displacement’. The [CALC] function is usable for the conversion calculation between ‘Acceleration / Velocity / Displacement’.

  • Page 134: Measured Profile Definition

    4.4.4.4 Measured Profile Definition An original data file of CSV format written as the specified format or a properly processed data as the demands is used as the reference data. Refer to “4.4.4.4.5 CSV data file (Measured profile)” about the format in detail. 4.4.4.4.1 Outline Reference profile is defined by using measured data.

  • Page 135: Load The Data File

    4.4.4.4.2 Load the Data File (1) Meaning CSV Data File used as the reference profile is selected. When the button of [CSV File open] in the dialog of Measured Profile Definition is selected, the dialog box for selecting CSV File appears. Select a data file to be referred to.

  • Page 136: Type Of Interpolation

    4.4.4.4.3 Type of interpolation (1) Meaning When the data to be used is specified, the measured data is displayed and the type of interpolation can be selected. In this item, interpolation method between the loaded data is selected among the followings.

  • Page 137: Level Change

    ・Cut-off Frequency Input the value of cut-off frequency for filtering process. 4.4.4.4.4.3 Level Change (1) Meaning This item is for changing the data level by ratio. When the [Level change] button is pressed, the dialog box of Level change appears. ・Ratio Specify the data level by the relative value of the original data.

  • Page 138: Tolerance Definition

    4.4.5 Tolerance definition (1) Outline In the operation of the vibration test, it may be difficult to realize the response level that coincide with the reference just as it is required according to the condition of the specimen (sharpness of resonance, having the non-linearity components). Therefore, the condition for continuing the testing such a case is needed to be defined in advance.

  • Page 139: Tolerance

    4.4.5.1 Tolerance (1) Meaning The condition of Tolerance in the whole frequency band is defined in standard definition. < Level> Alarm / Abort level for monitoring the deviation from the profile are specified. Level is specified by a relative level to the profile. At the setting of Alarm check, the following relation should be satisfied between Alarm and Abort levels.

  • Page 140: Calc Function

    4.4.6 CALC Function (1) Meaning In the sine vibration test, one vibration state is usually defined by using one of the quantities as Frequency f, Acceleration Acc and Displacement Disp. Therefore, the conversion calculation between these quantities (Acc / Vel / Disp) is needed to be done quickly.
  • Page 141 < Example > The setting of items as ‘Sweep reference – Detailed definition (break point) – Constant’ are executed. When f = 100 Hz, V = 120 cm/s are given, the acceleration A [m/s 2 ] is to be calculated. And the break point is inputted by the acceleration.
  • Page 142 < Step 3 > Input 120 to the item of Velocity (Vel.). < Step 4 > Calculation results of Acceleration and Displacement are displayed when the value of Velocity was inputted. Then press the button of [OK]. ① ② 4 - 50...
  • Page 143 < Step 5> Input the value of the break point by pressing the button of [Add]. 4 - 51...

  • Page 144: Input Channel

    4.5 Input Channel 4.5.1 Outline In this system, there are two types of response input channels; ・Control channels ・Monitor channels In this system, all of the used input channels are defined as Monitor channels. Therefore, Control channels also have the function as Monitor. Control channels are important one of which response signals are controlled to meet with the control reference given beforehand.
  • Page 145 [Control] : This item is for specifying of a channel as Control. [TEDS Update]: The input sensitivity is set from the connected TEDS corresponding IEPE sensor automatically. The function is enabled with the TYPEII hardware. [Refer] : The registered definition contents of input channel configuration is loaded and used.

  • Page 146: Resonance Dwell

    4.6 Resonance dwell This function is an optional function for Sine Vibration Test System K2/SINE. ‘Resonance dwell Function’ is for operating the control that seeks the resonance existing in the sweep band at the Swept sine vibration test, and when the resonance is found, the function continues the excitation for set time at the resonance frequency.

  • Page 147: Max. Resonance Dwell Rate

    4.6.3 Max. resonance dwell rate (1) Meaning This item is for setting of the speed for dwelling the resonance frequency change during the resonance dwell function is operated. Max. resonance dwell rate can be selected from among Normal / Fast / Slow / Specify. ‘Specify’ indicates that what percentage of the resonance point is to me dwelt at the maximum corresponding to the original frequency for one control loop.

  • Page 148: Data Save Condition

    4.7 Data Save Condition 4.7.1 Outline This function is for setting of each item for saving the data measured in a test operation to the hard disc. In K2 system, all of the data measured in a test operation are saved in a binary file (*.VDF). However, the data ‘In initial measurement’...
  • Page 149 4. Sequence number The data files added prefixes are given sequence numbers for each. Beginning value : This item is for setting of a number to start. Example) Input ‘1’ to this item : ‘Data001. VDF’ Min. digits number : This item is for setting of numbers for digit of sequence number. Example) Input ‘2’...

  • Page 150: Operation Status

    4.8 Operation Status (1) Meaning Various information concerning with the excitation operation is displayed. The window of Operation status is opened by selecting the commands [Window] – [Operation status] in the menu bar. < Display contents > 1) Present status The message about the present state of the system, such as ‘In operation’, ‘Excitation pause’...
  • Page 151 5) Drive The current drive output voltage actually outputted is displayed. In the current control loop, the drive output voltage that should be outputted as an ideal and the ratio of its voltage to the maximum drive output voltage (called as ‘For limit ratio’) are displayed.
  • Page 152 11) Number of resonance dwell Total times of the resonance point dwelled in the current sweep and that dwelled in prior sweep is displayed. 12) Manual The operation status of the present manual operation is displayed. As the operation status, the changing rate of the present excitation level and the changing ration of the present sweep rate are displayed.

  • Page 153: Aux. Output

    4.9 Aux. Output 4.9.1 Outline Aux-output is a function for real-time outputting the information for the control operation as analog signal in addition to the outputting the drive signal for control. The following output information can be outputted as Aux- output ; (1) DC voltage which indicates the quantities as follows (Log / Linear) ・Excitation frequency ・Control response level for each input channels...
  • Page 154 ＜Step 2＞ Set the ‘Module ID’ of I/O board and output channel ‘Ch2’. Select the item of ‘Monitor’. ① ② ＜Step 3> Set ‘Ch2’ to input channel and select the item of ‘Acc. (Acceleration)’. ① ② 4 - 62...
  • Page 155 ＜Step 4＞ Input the values to Data range (1 ~ 100 [m/s ]) and DC Output voltage range (0 ~ 100 [mV]) . Select the item of ‘Log’. ① ② ＜Step 5＞ Press the button of [Add]. Exit from the definition of Aux-output by pressing the button of [OK]. ②...
  • Page 156 < Example > The setting of output channel Ch2 to execute the oscillator output (amplitude : 1000 [mV]) is to be explained as below ; < Procedures > < Step 1 > Check the check box of ‘Aux. output’ and press the button of [Change]. ②...
  • Page 157 ＜Step 3＞ Set the ‘Module ID’ of I/O board and output channel ‘Ch2’. Input the value of Amplitude as 1000.0 [mV] and press the button of [OK]. ③ ② ① 4 - 65...

  • Page 158: Safety Check

    4.10 Safety check 4.10.1 Outline The system has the feature of Rating check* to evaluate whether the defined test can be performed on the excitation system as a protective feature. The safety check expands this protective feature and makes it possible to use the excitation system more safely. (1) Excitation force check This check is made to evaluate whether the excitation force required for the test is held within the excitation system rating.
  • Page 159 *1 Feature of standard rating check 1) This check is made to evaluate whether the reference level is held within the excitation system rating. If the controlled variables were the acceleration, velocity and displacement, the check is made for the three variables. 2) If a “control frequency range”...

  • Page 160: Chapter 5 Messages And Meanings

    Chapter 5 Messages and Meanings 5.1 K2Sine Error Messages Message Meaning / Action (Meaning) ・Unusual phenomenon is The test operation is aborted due to the error in Pre-check. detected by Pre-check. The detail about the error is displayed at the input channel in which an error detected in Operation status.
  • Page 161 Message Meaning / Action [7] Set the check standard to ‘Specify’ and increase the value of response linearity check of Pre-check in Excitation System setting. (Meaning) ・Unusual phenomenon is The test operation is aborted by the loop check which observes detected by Loop Check in the response characteristics of controlled system in operation.
  • Page 162 ・ Incorrect connection of K2 I/F board. ・ Incorrect action of Driver. Check the above points and retry the testing operation for several times. If these errors occur even after checking the above points, please contact with IMV. 5 - 3...
  • Page 163 Check the above points and retry the testing operation for several times. If these errors occur even after checking the above points, please contact with IMV. (Meaning) ・Test is aborted by the hardware An error is detected in the PC or I/O unit.

  • Page 164: Chapter 6 Supplemental Explanation

    Chapter 6 Supplemental Explanation 6.1 Timer Various operations, such as Level Change and Sweep Pause, can be executed during the Test Operation in K2/SINE. The relations between these operations and the function of Timer are described as below; Condition Time Not counted Elapsed Time Vibration...

  • Page 165: Set Up

    6.2 Set Up Specifying unit of Tolerance level is specified among ‘dB’ or ‘%’. <Procedures> Select [Option] in the menu bar and click [Set up]. A dialog of ‘Set up’ appears. ① ② 6 - 2...
  • Page 166 [Tolerance level unit setting] Specifying unit of Tolerance level is specified among ‘dB’ or ‘%’. Denoting A[dB] and B[%], the relation between ‘dB’ and ‘%’ is described as below ; A = 20 log (B / 100 + 1) A / 20 B = (10 –...
  • Page 167 [Response data save] ‘Periodic save of response data’ The data of Frequency, Reference, Control response and Monitor response are saved as CSV file in time series. Saving interval is specified in seconds. The CSV files are generated according to the rule as below. Test file name XXX-Y.CSV XXX : The number of data which is numbered serially in the order of testing operation.
  • Page 168 [Manual test] ・‘Use the timer’ check box This item is for setting the initial value to decide whether the function of ending the manual test by the timer should be used or not. ・‘Setting time’ This item is for setting the initial value of the timer time. [Store the display status for operation ] ・‘Store the display config’...
  • Page 169 [Data save] ・‘Set the data file name automatically’ check box Check ‘Set the data file name automatically’ to set the destination folder and the file name automatically. If this item is checked, a dialog of [Save as] doesn’t appear even if [Data save] is selected from the menu or the tool bar.

  • Page 170: Manual Operation

    6.3 Manual Operation Control Reference can be changed during the excitation operation by using Manual operation tool bar. Usually, “Manual operation tool bar” is displayed at the right side of operation window. Manual operation tool bar If the tool bar is not displayed, select [Display] and click [Manual operation tool bar”]. 6 - 7...
  • Page 171 < Items in Manual Operation (Continuous sweep) > This item is for holding of Sweep and canceling of Sweep Hold (continuing the sweep operation). This item is for reversing the direction of sweep. Sweep is counted when the sweeping is turned at the maximum or minimum frequency of control reference.
  • Page 172 < Items in Manual Operation (Spot) > Excitation is stopped at the current spot and skipped to the next spot. Excitation is stopped at the current spot and skipped to the first spot. This item is for setting of an upper Excitation Level by pressing this button once for an increase/decrease value specified.
  • Page 173 < Items in Manual Operation (Manual) > This item is for setting of an upper Frequency by pressing this button once for an increase/decrease value specified. This item is for setting of a lower Frequency by pressing this button once for an increase/decrease value specified.

  • Page 174: Use Examples Of Manual Timer

    6.3.1 Use Examples of Manual Timer < Procedures > ＜Step 1＞ Define manual test and start excitation. For details, refer to “3.4 Manual Test”. ＜Step 2＞ Press the button of ‘Timer Setting’. ＜Step 3＞ Check ‘Use the timer’ and set the excitation time. Press the button of ‘OK’...

  • Page 175: Acceleration Pickup Sensitivity Calibration

    6.4 Acceleration Pickup Sensitivity Calibration Two kinds of calibration method as ‘Comparison Calibration method’ and ‘Absolute Calibration method’ are available for the acceleration pickup sensitivity calibration. Example of operating ‘Comparison Calibration method’ is described as below; Operation example : The pickup after calibration for 3.06 pc/(m/s ) of sensitivity is treated as the reference pickup.
  • Page 176 ＜Step 2＞ Select the ‘Object’ among the list of Objective channel. ＜Step 3＞ Check the item of ‘Response level of the base channel’ and select ‘Basic’ in Base channel. ① ② 6 - 13...
  • Page 177 ＜Step4＞ Press the button of [Calibration] and input the calibration value of the pickup sensitivity for ‘Object’. Then, press the button of [Exit]. ① ② Note) The calibration value is reflected to Input channel information when the function of ‘Overwrite to save the Input channel information’ or ‘New Input channel information saving’...

  • Page 178: Chapter 7 Definition-Related Supplement

    Chapter 7 Definition-related supplement 7.1 Limit control definition Limit control is a function to continue testing, while observing the responses of the input channel monitor so they do not exceed the selected threshold level. The function is optional. In this program, this threshold level is called observation profile. With the limit control, if it is anticipated that the responses of the input channel monitor surpass the observation profile, the drive signal level will be processed to lower the excitation level by the required extent so the responses of the monitor cannot surpass the observation profile.
  • Page 179 ＜Step 2＞ Since the input channel configuration window opens, press the button of [Add]. If the input channel for limit control has already been set, select the input channel to set, and then press the button of [Change] button. ＜Step 3＞ The input channel element dialog box opens.
  • Page 180 ＜Step 4＞ Check ‘Use the observation profile.’ Press the Profile [Define] button to define the observation profile. Press the Tolerance [Define] button to define the observation profile tolerance. ② ③ ① The profile and tolerance defining procedures are the same as the control reference and tolerance defining procedures.
  • Page 181 ＜Step 5＞ When observation profile and tolerance definition is complete, defined data is displayed graphically. To perform limit control, check ‘Limit by observation profile’. If limit control is not performed, responses of the monitor only will be observed. Specifically, only the fact whether the responses of the monitor are surpassing the observation profile tolerance is observed, and a warning or interruption will be issued in accordance with the observation results.
  • Page 182 ＜Step 6＞ In the input channel configuration dialog box, ‘Monitoring’ and ‘Limit’ of the channel for limit control are marked. 7 - 5...
  • Page 183 INDEX Ａ Abort ................... 4-55 Acceleration Pickup Sensitivity Calibration ..........6-12 Ambient noise ................5-1 at processing of re-excitation ............6-3 Aux. Output ................4-61 Average ................4-3, 4-54 Average peak ................4-4 Averaged value ..............1-1, 4-3 Ｂ B.P. Connect ............ 3-23, 4-35, 4-39, 4-40, 4-41 Backward double ..............
  • Page 184 Dwelling ................4-59 Dwelling Limitation ..............4-55 Ｅ Environment noise ..............4-5, 4-11 Equalization mode ..............4-6, 5-3 Excitation force check ..............4-66 Excitation Level Mode ..............6-4 Excitation System ................ 5-3 Excitation system information ..3-1, 3-3, 3-17, 3-19, 3-35, 3-37, 3-52, 3-54, 4-1, 4-2, 4-10 Excitation System setting ..........
  • Page 185 Manual test ............2-3, 3-52, 4-14, 4-33, 6-12 Manual timer ................6-11 Max. drive voltage ............4-10, 4-11, 4-59 Max. Observation Frequency ............4-2, 5-4 Max. peak ................4-4 Max. resonance dwell rate ............... 4-55 Measured Profile Definition ............. 4-42 Menu bar ................
  • Page 186 Specify by the times of double-sweep ............ 4-19 Specify by the times of single sweep ............ 4-19 Specify by the vibration cycle ............4-20 Specify by time ................. 4-20 Spot test .........2-3, 3-35, 3-36, 4-14, 4-21, 4-27, 4-33, 4-57, 4-59 Stay time ................

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