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110

Triggering the Instrument Using Analog Signals (Analog Trigger)

[Voltage drop]

trigger

When a voltage peak is continuously lower than a specified level for a time of half a period or more,

the voltage-drop-trigger condition is satisfied. The sampling rate can be set at a figure in the range

of 2 kS/s to 20 MS/s.

These triggers cannot be specified either when Model 8970, Model MR8990, or Model U8991 is

used.

Level

Half the period

Setting

Description

Level

+f.s.

(

100 V



)

Allows you to enter a level to be used to check for voltage

drops.

Frequency

50 Hz



60 Hz

Allows you to specify a power frequency.

RMS (root-

mean-square

value)

Varies in conjunction with

the level settings

Displays a rough indication of the RMS value.

Event

With



4,000

Allows you to enter the number of events.

The instrument counts the number of times the voltage-

drop-trigger condition is satisfied. Only after the count

reaches the specified number of events, an analog trigger

is generated.

With

AND

Not available

Operations of the voltage drop trigger varies depending on the trigger logical-conditions (AND and OR

operations).

With

As soon as the instrument determines that a voltage peak is falling below a specified

level for a time of half a period or more, the voltage-drop-trigger condition is satisfied.

With

AND

While a voltage peak is lower than a specified level for a time of half a period or longer,

the voltage-drop-trigger condition is continuously satisfied.

Содержание MR8740-50

Страница 1: ...MR8740 50 MR8740T Instruction Manual MEMORY HiCORDER EN June 2019 Revised edition 1 MR8740C964 01 19 06H...

Страница 2: ......

Страница 3: ...e Trigger Settings 97 5 1 Trigger Setting Procedure 98 5 2 Enabling the Trigger Function 99 5 3 Trigger timing 100 Contents Introduction 1 How to Refer to This Document 2 1 Measurement Method 3 1 1 Me...

Страница 4: ...6 Operating the Instrument With a Browser Installed in a Computer 205 5 4 Configuring the Pre trigger settings 102 5 5 Setting the Trigger Satisfaction Conditions AND OR Operation Among Trigger Sourc...

Страница 5: ...l trigger terminal EXT TRIG 215 12 2 External Sampling EXT SMPL 217 13 Appendix 219 13 1 Information for Reference Purposes 219 Waveform file size values for reference purposes 219 Maximum recordable...

Страница 6: ...Contents iv...

Страница 7: ...faced Names and keys on the screen are shown in boldface Menus dialog boxes buttons in a dialog box and other names on the screen are indicated in brackets Windows Unless otherwise specified Windows r...

Страница 8: ...ndicates the order of clicking the screens The button represents the setting key Procedure numbers Numbered same as a corresponding step by step instruction Options and explanations Describes options...

Страница 9: ...gic channel settings p 15 Advanced settings 3 2 Converting Input Values Scaling Function p 38 3 3 Fine Adjusting Input Values Vernier Function p 43 3 4 Inverting a Waveform Invert Function p 44 Config...

Страница 10: ...ing Data p 94 To automatically load saved settings at the time of startup Configure the setting for the instrument so as to load the file containing the instrument settings at the time of startup Refe...

Страница 11: ...S s 2 S s 1 S s When the real time save is set to On due to the combination of the number of channels to be saved and save destinations the maximum sampling rate that can be set varies as follows Max...

Страница 12: ...e box and then choose a recording mode from the list Single Measures waveforms only once Clicking the start icon starts recording waveforms and then stops when recording length waveforms have been acq...

Страница 13: ...Hz 200 S s 40 kHz 1 MS s 4 Hz 100 S s 20 kHz 500 kS s 2 Hz 50 S s 8 kHz 200 kS s 0 8 Hz 20 S s 4 kHz 100 kS s 0 4 Hz 10 S s 2 kHz 50 kS s 0 2 Hz 5 S s 800 Hz 20 kS s 0 08 Hz 2 S s 400 Hz 10 kS s 0 04...

Страница 14: ...mum sampling rate of module or data refresh rate Reference page Model 8966 Analog Unit 20 MS s 50 ns Model 8967 Temp Unit Depends on the data refresh setting p 47 Model 8968 High Resolution Unit 1 MS...

Страница 15: ...f the analog and logic channels Channel Operation available on the Channel screen Adding a comment to each channel Setting measurement conditions for each channel Configuring the display method settin...

Страница 16: ...t input values scaling function p 14 Choose an input coupling method p 13 Choose a low pass filter cutoff frequency if noise is present p 13 Configuring the display settings Select a waveform color p...

Страница 17: ...7 3 6 1 Enter a comment in the Comment box Number of characters that can be entered up to 40 2 Click the Mode box and then choose a measurement mode from the list Voltage Measures a waveform in volta...

Страница 18: ...er values of the trigger search and numerical calculation functions Module Resolution LSB Model 8966 Analog Unit Model 8971 Current Unit Model 8972 DC RMS Unit 2 000 Model 8967 Temp Unit 20 000 Model...

Страница 19: ...he list Enabling the low pass filter installed in the module can eliminate unwanted high frequency components The filters available vary depending on the module types Use an adequate filter in accorda...

Страница 20: ...Function p 44 Vernier Allows you to freely fine adjust the input voltage on the waveform screen display adjustment only When recording physical values such as noise temperature and acceleration with s...

Страница 21: ...waveforms in normal width Narrow Reduces the width of the waveforms 2 Choose a display method for each probe LA through LD Position Allows you to specify a numeral that represents a logic waveform pos...

Страница 22: ...box and then choose a display format from the list Time series waveform Displays time domain waveforms Time series waveform Displays time domain waveforms XY composite waveform Displays XY composite...

Страница 23: ...en in the default setting Click a button to deselect a channel Click it again to select it 5 6 6 Click OK Your selection is confirmed Clicking Cancel closes the dialog box without your selection confi...

Страница 24: ...ording length has been acquired When the measurement speed is relatively slow the instrument displays waveforms while it is acquiring the data However even if a slow speed range is set the instrument...

Страница 25: ...sing the trace cursors and horizontal cursors Reading measured values p 20 Moving the waveform display position Moving waveforms by dragging them Moving waveforms with the scroll bar You can display o...

Страница 26: ...sor value Trace cursor When you select trace cursor A and trace cursor B Time Time between the trigger point or recording starting point and the trace cursor Measured value The measured value at the p...

Страница 27: ...the information display setting of each channel 2 1 2 Click Trace cursor 3 Choose two cursors to be used from among Trace cursor A through Trace cursor H You can simultaneously use up to eight cursor...

Страница 28: ...want to display the value You can choose up to two cursors from among trace cursor A Trace cursor A and trace cursor H Trace cursor H Default setting Trace cursor A Trace cursor B The instrument displ...

Страница 29: ...nal magnification To move the cursors precisely Choose a cursor and rotate the wheel button upward or downward to move the cursor in one sample increments If no trace cursors appear on the screen even...

Страница 30: ...eform screen The difference in time values of chosen trace cursors the time at 2 minus that at 1 is displayed at 3 Trace cursor A Trace cursor B Cursor values 1 2 3 For the horizontal cursors Choose h...

Страница 31: ...enience hereafter referred to as gauges to be displayed overlapping waveforms 1 Click Gauge 1 2 Choose gauges to be displayed from among Gauge A through Gauge H The screen display the gauges at the le...

Страница 32: ...a channel to be displayed 3 4 Clicking Hide hides the gauges 4 Click Upper and lower limit value The setting dialog box appears You can specify the display range of each channel Enter an upper and lo...

Страница 33: ...m the present To anchor the waveforms vertically Click the vertical arrows button to anchor waveforms in the vertical direction To anchor the waveforms horizontally Click the horizontal arrows button...

Страница 34: ...s the positions of the trigger point and trace cursors Scroll bar Verifying the position of the trigger point and cursors on the scroll bar Trigger point Screen display range Trace cursor A Recorded r...

Страница 35: ...waveform screen and rotating the wheel button Rotating the wheel button upward Zooms in the waveforms Rotating the wheel button downward Zooms out the waveforms To change the display position of logi...

Страница 36: ...of Waveforms Differentiating the waveform display position and display magnification of each analog channel 1 Click Channel position adjustment 1 The channel position adjustment screen appears The bl...

Страница 37: ...to move to choose and drag the chosen area The display position of the channel is moved 2 3 Click a channel number the display position you want to change Rotating the wheel button while pointing to...

Страница 38: ...ays them at the default magnifications Initialize the position of select channels Restores selected channels only to the initial positions and displays them at the default magnification Align the posi...

Страница 39: ...om function was applied The part of the waveforms enclosed by the yellow frame represents the zoomed display range shown in the lower screen Lower screen Displays magnified waveforms 2 Changing the di...

Страница 40: ...34 Enlarging a Part of the Waveform Zoom Function...

Страница 41: ...s p 46 Anti aliasing filter Thermocouple type Reference junction compensation Wire break detection Data refresh Executing auto balance Probe division ratio Response time Measurement mode Converting in...

Страница 42: ...nd then choose an overlaying method from the list Off Does not overlay any waveforms Auto Overlays waveforms newly acquired with the presently displayed waveforms every time the instrument acquires ne...

Страница 43: ...red The trace cursors show the measured values of the waveforms most recently acquired The following operation is not available on the waveform screen Scrolling through waveforms switching the zoom fu...

Страница 44: ...and measured values using trace cursors are represented as scaled values in the specified units You can configure different scale settings for each channel Before scaled After scaled V 0 0 1 0 2 A 0 5...

Страница 45: ...or or a division ratio of a voltage dividing probe dB Allows you to specify an input value in decibels and value after scaled Rating Allows you to specify a rated capacity and rated output according t...

Страница 46: ...anging the value with the Ratio setting the instrument does not change the values for VL or VH but the values for AL and AH all of which have been specified with Method set to 2 Point When using Senso...

Страница 47: ...or Model U8969 Strain Unit only Click the Capacity box and then enter the rated capacity of a strain gauge converter to be used Click the Output box and then enter a rated output of a strain gauge con...

Страница 48: ...ou need to convert its gauge factor into a conversion ratio For example if the gauge factor stands at 2 1 the conversion ratio will be 0 952 2 2 1 Example To display data measured with a strain gauge...

Страница 49: ...he vernier function When an input voltage of 1 2 V is displayed as a voltage of 1 0 V 1 0 V 1 2 V Channel 1 Click Vernier The adjustment keypad appears 2 While observing the waveform you can fine adju...

Страница 50: ...s clamped around a wire with its current direction mark mistakenly in the direction opposite to the current flow When a signal is inputted with spring pulling force negative and spring compressing for...

Страница 51: ...play Copies the display setting excluding comments Comment Copies a comment Scaling Copies the scaling setting 2 Click the Source box and then choose a source channel from the list 3 Click the Destina...

Страница 52: ...s 2 Click the A A F box and then choose On or Off from the list for the anti aliasing filter setting Enabling the anti aliasing filter prevents aliasing distortion from influencing FFT calculations Th...

Страница 53: ...ncludes RJC The setting dialog box appears 3 Click the RJC box and then choose between Int and Ext from the list for reference junction compensation Int Executes the reference junction compensation in...

Страница 54: ...hermocouple If the thermocouple wires are long or have a relatively high resistance set Burn out to Off to avoid measurement errors 5 Click the Data update box and then choose a data update interval f...

Страница 55: ...balance Turn on the instrument and leave it for 30 minutes to allow the internal temperature of the module to stabilize After connecting a strain gauge converter to the module execute auto balance wit...

Страница 56: ...dules After replacing the strain gauge converter After cycling the instrument After initializing the instrument When the ambient temperature has significantly changed the zero position may drift If au...

Страница 57: ...Hz Count Accumulates the number of input pulses Duty ratio Measures duty ratios of a waveform to be measured in percent Pulse width Measures pulse widths in second s Pulses that rise during the dead t...

Страница 58: ...n at 360 to measure a frequency each rotation When Division is not used set it at 1 7 Click the Timing box and then from the list choose a condition used for starting a count Only when Mode is set to...

Страница 59: ...Records measured data without smoothing resulting in a step like waveform On Interpolates measured data to smooth a waveform and outputs it Upper limit 10 kHz outputting data with this setting set to...

Страница 60: ...odel CT6862 AC DC Current Sensor is connected 500A 2V When one of the following current sensors is connected Models 9709 CT6844 CT6845 CT6846 and CT6865 None When no current sensor is connected IMPORT...

Страница 61: ...om the list IMPORTANT The figure of each measurement range name represents the maximum current Model 8971 can measure using the range However the instrument cannot measure currents that exceed the rat...

Страница 62: ...zero adjustment without any input 3 Click the area that includes Response The setting dialog box appears 4 Click the Response box and then from the list choose a response time for RMS measurement Fas...

Страница 63: ...which is the time equivalent to one period of the power frequency 0 1 to 0 9 1 to 10 20 30 40 50 60 70 80 90 100 Example When the power frequency is 50 Hz and NPLC is set at 10 then 20 ms 10 200 ms is...

Страница 64: ...zed with each other the instrument sends a signal that interrupts the integration to each module at the start of measurement thus the instrument has to wait until the first integration finishes The wa...

Страница 65: ...ro adjustment Execute zero adjustment without any input 3 Click the area that includes Response The setting dialog box appears 4 Click the Response box and then from the list choose a response time fo...

Страница 66: ...the sub model number 05 which has a plastic connector PL23 with Model U8977 3CH Current Unit Channel U8977 3 1 2 Current sensors to be connected determine whether the instrument automatically recogni...

Страница 67: ...n the scaling setting When a current sensor included in Model CT6700 series is connected via Model CT9920 Conversion Cable set a current sensor model name or its output rate Make sure to execute zero...

Страница 68: ...nt mode other than Preamp or tum off the instrument before connecting a sensor or probe with a BNC terminal to avoid an electric shock or damage to the measurement target Channel U8979 3 1 2 4 5 1 Cli...

Страница 69: ...x closes Setting example for sensor sensitivity Example 1 For a sensor with its sensor sensitivity per meter per second squared marked Sensor sensitivity Setting value 1 08 pC m s2 1 08 Example 2 For...

Страница 70: ...m s2 Specify 10 pC m s2 which results from multiplying the sensor sensitivity by 1 2 34 as the sensor sensitivity To display measured values after multiplying them by 1 2 34 configure the scaling set...

Страница 71: ...hen enter an integration time Define an integration time based on the power line cycle PLC which is the time equivalent to one period of the power frequency 1 10 100 Example When the power frequency i...

Страница 72: ...eform Generator Unit MR8791 Pulse Generator Unit and U8794 VIR Generator Unit using the instrument Func Generator Setting 2 1 1 Click Func 2 Click Generator Setting The setting screen dedicated for th...

Страница 73: ...o 10 000 V Frequency Allows you to enter a frequency of the output sine wave 0 Hz to 20000 Hz Amplitude Allows you to enter an amplitude of the output sine wave Accuracy of the output voltage which co...

Страница 74: ...t of the accuracy guaranteed range 10 000 V to 10 000 V 4 Choose whether to output a waveform Select a state at the time when no waveform is outputted OFF OPEN Does not output any waveform Disconnect...

Страница 75: ...ulse output frequency In 0 1 Hz increments 0 0 Hz to 20000 0 Hz Duty ratio Allows you to enter a pulse duty ratio In 0 1 percent point increments With the 0 setting the low level signal is outputted w...

Страница 76: ...de 0 5 V OC Open collector output 5 Output Allows you to switch waveform output settings The instrument may momentary output a high level signal at the times of power on and power off OFF Does not out...

Страница 77: ...annel and not insulated TTL TTL level output amplitude 0 5 V OC Open collector output With the open collector output setting Limit the collector emitter voltage to 50 V Output signals require a respon...

Страница 78: ...le Specific Settings Editing patterns Editing patterns Choose a pattern number you want to create or edit and then click Edit Number of pattern data sets Enter the number of pattern data sets you want...

Страница 79: ...dow allows you to specify the pattern in hexadecimal notation After finishing creating or editing the pattern click OK Confirmation of the setting After finishing the setting click Send setting The pa...

Страница 80: ...the notch frequency at 50 Hz 60 Allows you to set the notch frequency at 60 Hz Mode Allows you to choose an output type V DC voltage I DC current R Resistance simulated AC AC voltage Specifying volta...

Страница 81: ...exceeds the range of 0 V to 5 V If the current outputted from the instrument exceeds the range of 5 mA to 5 mA Optimizing a resistance generation response Presuming the characteristic of a measuring...

Страница 82: ...uld result IMPORTANT If you choose a frequency other than the frequencies that can be specified the instrument sets a frequency to the one that is the closest Output Switch each output on and off OFF...

Страница 83: ...urrent will flow resulting in damage to the instrument or power supply device Self diagnosis function Simple test At the time when you send a query for testing the instrument measures an output value...

Страница 84: ...sive tests If a power supply device connects with the instrument a short circuit current will flow resulting in damage to the instrument or power supply device The comprehensive test results may be af...

Страница 85: ...d with the instrument has an output resistance of 50 k We recommend you to use measurement cables with an insulating sheath made of polyethylene PE or polytetrafluoroethylene TFE Using measurement cab...

Страница 86: ...80 Configuring Generator Module Specific Settings...

Страница 87: ...manage files Refer to 4 4 Managing Files p 96 Status Save Operation available on the Save screen Auto save Specifying the auto save method settings for measured data p 84 Real time save Setting the me...

Страница 88: ...ta JPEG format Numerical calculation result Text CSV TXT 6 Text data 1 The instrument automatically loads data at the time of startup p 84 2 To load data with the instrument Save the data in binary fo...

Страница 89: ...connection turn on the instrument Insert a storage device Choose a destination to save Click the save icon Saves data Data that can be saved Waveform data Screenshot Numerical calculation result Setti...

Страница 90: ...edia box If no storage device is inserted the string None appears 2 When you choose USB Memory as the save destination choose a USB flash drive you would like to use as a save destination from among a...

Страница 91: ...n for channels to be saved All Saves measured data of all channels The instrument also saves data acquired across channels with the waveform display set to Off Display Saves data acquired across chann...

Страница 92: ...igure the saving setting of the numerical calculation result Off Does not save any numerical calculation results On Saves numerical calculation results Click the File box and then from the list choose...

Страница 93: ...mber of files in the xxxxDATA xxxx represent a figure of 0001 to 9999 folder reaches 5000 the instrument automatically creates a new folder with the next number When Method is set to Delete the instru...

Страница 94: ...determined based on the recording interval the remaining capacity of a storage device and the number of channels to be used When the sampling rate is set at a slow rate the recording time is set to a...

Страница 95: ...es and saves files in real time if the storage device is full waveform files only The instrument deletes files only created after the measurement has started It does not delete previously existing fil...

Страница 96: ...g box to allow you to choose items to be saved and saves them You can specify the subsequent settings in the dialog box that appears when you click the save icon at the start of measurement This opera...

Страница 97: ...or Waveform Text All Saves all data written in the memory A_B Saves the data in the range between trace cursor A and trace cursor B C_D Saves the data in the range between trace cursor C and trace cu...

Страница 98: ...two other points The number of data points is reduced by half of the original amount Data All users Saves whole data Event Saves only the data points at event marks Screen image screenshot Type BMP PN...

Страница 99: ...isplay block Saves waveforms included in displayed blocks All block Saves waveforms included in the specified number of blocks being used counting from the start block Whenever you click the save icon...

Страница 100: ...the file screen select a storage device and double click the file to be loaded Waveform and settings files saved in waveform binary format can be loaded on the instrument The instrument displays only...

Страница 101: ...loaded waveform file however the settings of the modules are restored to those set before the waveform file was loaded To discard the module settings of the loaded waveform file execute Initialize wav...

Страница 102: ...be moved to a folder of your choice Copying files or folders Files can be copied to a specified folder When you choose folders to be copied the chosen folders are copied into the specified folder Crea...

Страница 103: ...rigger function Trigger Common Operation available on the Trigger screen Configuring the logic trigger settings p 114 Logic trigger satisfaction conditions Trigger filter Trigger pattern Configuring t...

Страница 104: ...n among trigger sources Setting trigger logical conditions AND or OR operation among the analog logic external and interval triggers to trigger the instrument p 105 Configuring the trigger type settin...

Страница 105: ...lick the Trigger button to set it to On On Enables the trigger function Off Disables the trigger function To copy settings to other channels You can copy settings on the analog trigger setting screen...

Страница 106: ...g after the instrument has acquired the recording length waveforms A displayed trigger point may lag behind the actual trigger point by some samples between one and four when measuring modules include...

Страница 107: ...nstrument has acquired the recording length data and then waits for a trigger When triggered again starts recording stops the recording after the instrument has acquired the recording length data and...

Страница 108: ...has been activated but also those that appear before the trigger is activated Also records data before the start trigger Start Specified pre trigger length Recording length or recording time The pre t...

Страница 109: ...e pre trigger memory the instrument displays the message Waiting for Trigger until it is triggered While displaying Waiting for Pre Trigger the instrument is not triggered even when a trigger conditio...

Страница 110: ...ng displayed Example When the pre trigger length is set at 50 Trigger priority Off Ignores triggers Recording length before the trigger 50 of recording length after the trigger Waiting for Pre Trigger...

Страница 111: ...ed Thus even though a trigger condition has been already satisfied at the start of waiting for a trigger the instrument is not triggered until a changing point is detected AND Only when all of the spe...

Страница 112: ...types of the analog triggers Trigger Source 1 1 Click a trigger source you want to specify The setting dialog box appears 3 4 2 2 Click the Channel box and then from the list choose a channel you want...

Страница 113: ...he threshold value level Event With OR 1 to 4 000 Allows you to enter the number of events The instrument counts the number of times the level trigger condition is satisfied An analog trigger is gener...

Страница 114: ...ndition is repeatedly satisfied setting the number of events prevents an analog trigger from being generated until the number of times the level trigger condition is satisfied reaches the specified nu...

Страница 115: ...On With the On setting the instrument automatically specifies a reference level and is triggered when an input signal exceeds the range between the lower value the sum of the reference level and the l...

Страница 116: ...lue Varies in conjunction with the level settings Displays a rough indication of the RMS value Event With OR 1 to 4 000 Allows you to enter the number of events The instrument counts the number of tim...

Страница 117: ...e direction With AND HIGH LOW Period lower limit Zero or 5 times the sampling period or longer The lower limit of periods cannot be set to a value higher than that in the Period upper limit box When t...

Страница 118: ...atisfied when an input frequency falls below a value in the Period upper limit box Period out trigger The instrument calculates periods by monitoring times when an input signal crosses the specified l...

Страница 119: ...crosses the specified level in the positive direction or those in the negative direction Event With OR 1 to 4 000 Allows you to enter the number of events The instrument counts the number of times the...

Страница 120: ...igger Source 2 3 1 1 Click the Condition satisfied box and then choose a logic trigger satisfaction condition from the list Off Disables the logic trigger OR The logic trigger condition is satisfied w...

Страница 121: ...he logic trigger condition of each logic signal is satisfied when the signal is at a high level Setting example The logic trigger conditions differ depending on the combination of the Condition satisf...

Страница 122: ...rval triggers while the instrument is filling the pre trigger memory An interval trigger triggers the instrument while the instrument is waiting for a trigger after the instrument has filled the pre t...

Страница 123: ...pecified recording length or recording interval When a recording length or recording time is shorter than a time interval When a recording length or recording time is longer than a time interval The i...

Страница 124: ...15 5 10 Manually Triggering the Instrument Forcible Trigger Clicking Trigger on the right side of the waveform screen allows you to manually trigger the instrument while the instrument is waiting time...

Страница 125: ...instrument continues to beep while the trigger condition is being satisfied Also the CMD ERR red LED lights up when the instrument alerts you The LED goes off when the instrument lifts the alert Setti...

Страница 126: ...t satisfied for the out trigger setting when a signal falls within the specified range If the condition is satisfied and fails to be satisfied repeatedly within 100 ms the instrument may group this co...

Страница 127: ...erforms the actual measurement using this trigger This function is useful when you use the out trigger setting with the trigger and alert functions 1 2 Trigger Common 1 Click the Trigger to set it to...

Страница 128: ...122 Automatically Specifying the Trigger Level Auto trigger Level...

Страница 129: ...minimum minimal value Select one of them p 124 Trigger search You can search for the position where the specified trigger condition is satisfied Specify the trigger condition p 126 Memory HiConcierge...

Страница 130: ...B or trace cursors C and D 3 Click the Number of searches box and then enter the number of search results 4 In the Method area click Peak to choose a search method for searching for peak values 5 Cli...

Страница 131: ...s Sort by data With the Maximal setting displays the number which is specified by Number to display of retrieved positions in descending order With the Minimal setting displays them in ascending order...

Страница 132: ...hen from the channel setting dialog box choose a channel to be searched for positions where a trigger condition is satisfied When you choose an analog channel 3 1 4 2 5 6 When you choose a logic chann...

Страница 133: ...n the range Out Allows you to enter an upper and lower limit values to specify a range and search for positions where a waveform gets out of the range Set the search criterion Items to be set may vary...

Страница 134: ...matches the specified pattern Trigger pattern LA1 1 LA2 0 LA3 X LA4 X Setting Description Satisfied OR The positions where any one of the specified search patterns is satisfied are determined to be th...

Страница 135: ...Click the stop icon 7 Switch retrieved positions using the Search Pos switching panel and check the search results You can switch the retrieved positions by clicking or The display order follows the s...

Страница 136: ...cierge to set the search method to Concierge 4 Click the Type box and then from the list choose a value type to be searched for Histogram comparison with fundamental wave Searches for differences from...

Страница 137: ...st choose a sort criterion for search results Sort by time Displays retrieved positions in chronological order Sort by data Displays retrieved positions in order of decreasing difference from a compar...

Страница 138: ...ative to the trigger point to jump to when System Env Time value display is set to Time or Mod 60 Points Allows you to enter the number of points to jump to in the Points box when measurement is perfo...

Страница 139: ...el Intermediate value Amplitude Overshoot Undershoot Width Width Burst width Accumulation Angle of XY waveform 33 types in total Calculation using the data between the cursors Numerical calculations c...

Страница 140: ...omatically save calculation results configure the saving settings before starting measurement Configuring the Calculation result settings p 148 p 86 Starting a measurement Acquiring data When a trigge...

Страница 141: ...it the calculation click the stop icon Displaying calculation results The waveform screen displays numerical calculation results p 147 Evaluating calculation results Only when the evaluation setting i...

Страница 142: ...onfiguring the Numerical Calculation Settings Calculation Numerical calculation 7 1 3 4 2 5 6 1 Click the Numerical calculation button to set it to On 2 Click the Page box and then choose calculation...

Страница 143: ...ed from a trigger point Pulse width 2 Pulse width of waveform data Duty ratio 2 Duty ratio of waveform data Pulse count 2 Pulse count of waveform data Arithmetic operations Four arithmetic operations...

Страница 144: ...the instrument does not acquire any waveforms perform another measurement and specify a range Doing so allows you to make calculations using data acquired within the specified range from the next meas...

Страница 145: ...Time to maximum Minimum Time to minimum Standard deviation Area High level Low level Intermediate value Amplitude Overshoot Undershoot Accumulation Target channel Analog waveform calculation Allows yo...

Страница 146: ...hen a waveform crossed the specified level in the negative direction Filter samples Off 10 to 10 000 Allows you to enter duration used to determine that a waveform crosses the specified level Only if...

Страница 147: ...e is calculated based on the percentage which is specified here of the range between the upper and lower limit values Stat Top Detects a value obtained first from the beginning within the specified ra...

Страница 148: ...ts the time when a waveform crossed the level specified here in the negative direction or a pulse count that crossed the level in the negative direction Filter samples Off 10 to 10 000 Allows you to e...

Страница 149: ...n number you specify Specifying a range is not available Width Width Target channel Analog waveform calculation Allows you to specify calculation target channels Filter samples Off 10 to 10 000 Allows...

Страница 150: ...s Off 10 to 10 000 Allows you to set duration used to determine whether a waveform is a burst signal If the period between the time when the waveform data falls within the range which is specified wit...

Страница 151: ...ositive direction Makes calculations using values based on a period of time when a waveform crossed the specified level in the negative direction Filter samples Off 10 to 10 000 Allows you to enter du...

Страница 152: ...urement results may not be obtained if the filter setting is close to half the period an integer multiple of an actual period may be calculated When the scaling is enabled the instrument scales wavefo...

Страница 153: ...culation target the character appears Click under the CH Info toggle switch and then choose Calcu Result from the list a To save calculation results after measurement Refer to Freely selecting data it...

Страница 154: ...to stop the measurement depending on an evaluation PASS FAIL or PASS FAIL Configuring the calculation settings Starting a measurement Acquiring data Calculation Displaying calculation results Evaluat...

Страница 155: ...culation results Off Evaluates calculation results On Yields a fail judgment if a result is outside a criteria range Calculated values in a channel with the fail judgment are highlighted in red 3 Clic...

Страница 156: ...nt Values outside an evaluation criteria range Fail judgment highlighted in red When a pass judgment is given When the external output terminals OUT 1 OUT 2 are set to Judge Pass a PASS signal is outp...

Страница 157: ...oint to the maximum value When waveform has two or more points of the maximum value the instrument determines the first of them in the waveform used for a calculation to be the maximum value Maximum T...

Страница 158: ...hod Total Calculates an area by subtracting an area unit V s enclosed by the zero level zero potential line and the negative amplitude part of a signal waveform from an area unit V s enclosed by the z...

Страница 159: ...y the range on the X Y waveform with the cursors Refer to 2 1 Reading Measured Values Trace Cursors Horizontal cursor p 20 s0 s0 s0 s1 s1 s0 When multiple loops plot When an open curve plots When a fi...

Страница 160: ...d from a trigger point You can also specify a time based on previously calculated results Settings Method Time Calc No Time calculation number No 1 to No 107 0 V Level T Time Pulse width Calculates a...

Страница 161: ...veform A crossed the level Settings Waveform A Reference channel Level Slope Filter Waveform B Target channel Level Slope Filter T A B Level Phase contrast Calculates a phase difference unit degree wi...

Страница 162: ...er Stat Width High Width Low 100 0 50 Intermediate level Burst width Calculates a time during which a burst signal is outputted Settings Filter Burst end filter Window Up Low Stat T Window level range...

Страница 163: ...mulation unit V enclosed by the zero level zero potential line and the negative amplitude part of a signal waveform When the range is specified calculates the accumulation between the cursors S Accumu...

Страница 164: ...158 Numerical Calculation Types and Descriptions...

Страница 165: ...er INT 2nd order INT2 Trigonometric function SIN COS TAN Inverse trigonometric function ASIN ACOS ATAN ATAN2 Waveform shifting by the PLC delay time specified in Model MR8990 Digital Voltmeter Unit PL...

Страница 166: ...calculation settings Configure the calculation settings on the Waveform calculation screen p 162 Starting a measurement Acquiring data When a trigger condition is satisfied the instrument starts to a...

Страница 167: ...than 2 000 000 points and then reload the waveforms to make another calculation Using the memory division function allows the instrument to display calculation results of the last measured block When...

Страница 168: ...alculation button to set it to On 2 Click any of the channels Z1 through Z16 you want to specify a arithmetic calculation to set it to On 3 Click the Area box and then from the list choose an option f...

Страница 169: ...onstant to 5 The numerical entry dialog box appears 6 Enter a constant 6 7 9 9999E 29 to 1 0000E29 0 1 0000E29 to 9 9999E 29 You can specify a number to five or less significant figures Use the numeri...

Страница 170: ...an arithmetic expression a b a When choosing a channel Click Channel and choose a channel you want to use for calculation b When entering a constant Click Constant and then enter a numerical value p...

Страница 171: ...color button The scale setting dialog box appears 14 15 14 Click the Scale button to set it to Auto or Manual Auto Automatically scales a calculation result Manual Allows you to change the scale setti...

Страница 172: ...er a 30 digit numbers or less in arithmetic expressions for constants 5 digit number or less Use an asterisk and slash for multiplication and division respectively If an expression you enter includes...

Страница 173: ...ferentials of data acquired across CH2 at intervals of 20 sampled points MOV CH2 20 PLEVEL level at time Specify a time from a trigger point If you omit the second parameter the instrument specifies 0...

Страница 174: ...tings Calculation result Example To display the waveform processed through the absolute value calculation using a waveform acquired across CH1_1 Arithmetic expression Z1 ABS CH 1 1 Waveform acquired a...

Страница 175: ...dt 1 2 n dt tth data point acquired across the source channel k Number of moving point 1 to 5000 Specify the constant k following a comma Example To calculate 100 point moving averages of the Z1 data...

Страница 176: ...formula to obtain 1 point data from 5 point values that includes before and after the point The instrument differentiates data d1 to dn considering them as the corresponding data for the sampling tim...

Страница 177: ...o adjust the zero point by 0 124 mV Z1 INT CH1 0 000124 Waveform shifting by PLC delay time specified in digital voltmeter module PLCS The instrument shifts a waveform by a frequency PLC specified in...

Страница 178: ...tion results di ith data point acquired across the source channel Waveform calculation type Description Level at time PLEVEL Calculates a measured value at a time a specified time has elapsed from a t...

Страница 179: ...arts to sequentially acquire waveform data and store the data onto the block you specified start block During use of the memory division the instrument may switch the trigger output TRIG_OUT terminal...

Страница 180: ...n box and then enter the number of blocks the memory capacity is divided into 2 4 8 16 32 64 128 256 512 1024 3 Click the Points box and then enter a recording length The maximum recording length vari...

Страница 181: ...you specified Waveform calculation with the memory dividing setting With the memory dividing enabled waveforms Z1 through Z16 which are obtained through waveform calculations remain in the block final...

Страница 182: ...176 Displaying Waveforms...

Страница 183: ...splay comments button to choose a comment display setting You can display a title comment and each channel comment on the waveform screen Each channel comment appears along with each input channel mar...

Страница 184: ...or warning appears If a fail judgment is given Alert Action Allows the instrument to beep when the instrument starts a measurement is triggered stops the measurement and completes auto saving in addi...

Страница 185: ...and numerical calculation result files Click the Decimal point and then from the list choose a character that represents the decimal symbol Period Designates the period as the decimal point Comma Des...

Страница 186: ...180...

Страница 187: ...g programs you have created after connecting your computer to the command communications port using the TCP For more information about the communication commands refer to the Communications Command In...

Страница 188: ...instrument Items to be checked before configuring the LAN settings The required settings are different depending on whether to connect the instrument to an existing network or to establish a new netwo...

Страница 189: ...ices Subnet Mask The subnet mask divides the IP address into the network address and the host address Configure the subnet mask settings in the same way as those of other devices on the network Gatewa...

Страница 190: ...essary change the computer name to a unique one among the network devices System Comm 1 1 Click Open PC settings The Ethernet settings screen appears 2 Click Home The Windows settings screen appears 3...

Страница 191: ...k using the IP address obtained automatically Connect the instrument to the network using the specified IP address When you would like to name the instrument configure the Current PC name setting Sett...

Страница 192: ...Windows Home Edition does not include any FTP server Use free software such as the FileZilla Server Trademark of another company The setting contents may vary with environment When necessary refer to...

Страница 193: ...P Server to expand it and then choose FTP Service Click on the left of Web Management Tools to expand it and then choose IIS Management Console Click OK Configuring the FTP settings 4 Click System and...

Страница 194: ...Communication may be blocked depending on the settings of the computer protecting software example firewall 8 Enter site information Example FTP site name MR8740T Content Directory Choose a directory...

Страница 195: ...TP Server Function 10 Configure the Authentication and Authorization Information settings as follows Authentication Choose Basic Authorization All users Permissions Choose both Read and Write Click Fi...

Страница 196: ...ep 4 in You can use the FTP with a user name and password you specified 11 Choose Computer Management in Administrative Tools mentioned in step 5 p 187 12 Right click Users under Local Users and Group...

Страница 197: ...user setting p 190 5 Click the PASV Mode button to choose a PASV mode setting To establish communications in PASV mode set it to On 6 Click any of the buttons in the Adding area and choose an identifi...

Страница 198: ...to FTP Auto save data transmission Automatically sends save target data on completion of the measurement according to the auto save settings Configure the auto save settings and set the save destinat...

Страница 199: ...er to the help topics of the FTP server or consult your network administrator Microsoft Windows administrator privileges are required for setup Enabling the FTP 1 Start Control Panel and then click Pr...

Страница 200: ...5 Click Administrative Tools 6 Double click Internet Information Services IIS Manager 7 Right click on the item displayed under Connections on the left side of the screen to display the shortcut menu...

Страница 201: ...be saved Click Next 9 Configure the Binding and SSL settings as follows IP Address All Unassigned Port 21 Start FTP site automatically Select SSL No SSL Click Next 10 Configure the Authentication and...

Страница 202: ...es respectively on p 197 You can use the FTP with a user name and password you specified 11 Choose Computer Management in Administrative Tools mentioned in step 5 p 194 12 Right click Users under Loca...

Страница 203: ...ess user setting p 196 5 Click the PASV Mode button to choose a PASV mode setting To establish communications in PASV mode set it to On 6 Click any of the buttons in the Adding area and choose an iden...

Страница 204: ...WinZip 128 bit AE 2 AES encryption Encrypted files can be unzipped by Corel WinZip or free software such as 7z The WinZip AES encryption is much securer than the standard zip encryption however suppo...

Страница 205: ...addresses in the Address2 and Address3 boxes in the same manner Choose a recipient type To or Bcc for Address2 and Address3 5 Enter a sender address in Sender address 6 Click the Sender name box and t...

Страница 206: ...le size so that no large size data is sent to the mail server If a waveform data size automatically saved is larger than the specified size the instrument does not send email messages Data with the sp...

Страница 207: ...o user authentication POP Sends mails using POP APOP before SMTP SMTP Sends mails using SMTP supports CRAM MD5 PLAIN and LOGIN 5 Configure the authorization information settings When you use the POP a...

Страница 208: ...sent Make sure that the specified destination can correctly receive the test email message If the specified destination cannot receive the test email message review your settings If encryption is enab...

Страница 209: ...and communications Refer to 11 1 Configuring the LAN Settings and Connecting the Instrument to the Network p 182 System Comm 1 Click Communication command The setting dialog box will appear 2 3 4 5 6...

Страница 210: ...aracter code box and then choose a character code setting from the list AUTO Automatically specifies a text code depending on the display language The text code UTF 8 is set for English SJIS for Japan...

Страница 211: ...se Generator Unit and Model U8794 VIR Generator Unit using the instrument System Comm 1 Start a web browser When using the web browser installed in the instrument Click the start button on the bottom...

Страница 212: ...mation and data written in the memory of the instrument License Information Acquires the license information 2 Various settings of the instrument System Allows you to configure the system settings Mea...

Страница 213: ...With a Browser Installed in a Computer 3 Choosing slots With the Unit Channel setting enabled You can switch slots 4 Detailed settings You can configure advanced settings the instrument 11 Connecting...

Страница 214: ...208 Operating the Instrument With a Browser Installed in a Computer...

Страница 215: ...ces allows the instrument to start and stop measurement This section describes the procedure and the external control terminal function to externally control the instrument The terminals are referred...

Страница 216: ...signal is inputted START Starts a measurement STOP Stops the measurement post measurement processes such as numerical calculations and automatic saving are performed START STOP Starts a measurement w...

Страница 217: ...se width High level period 50 ms or more low level period 50 ms or more Pulse interval 200 ms or more Maximum input voltage 10 V DC IN1 IN2 100 k GND 100 pF 5 V 3 k 5 V High 2 5 V to 10 V Low 0 V to 0...

Страница 218: ...sy Outputs a low level signal while rejecting a START signal because the instrument is in the busy state such as performing a measurement and saving data Waiting trigger Outputs a low level signal whi...

Страница 219: ...vel signal and then switches it to the high level after the specified time has elapsed Level at time Continuously outputs a low level signal after triggered during the measurement When triggered the i...

Страница 220: ...100 k 10 k 5 V High 4 0 V to 5 0 V Low 0 V to 0 5 V Pulse width When the auto range function is used the instrument is triggered outputting the TRIG OUT signal Be careful when performing auto range me...

Страница 221: ...trol multiple instruments achieving synchronous operation How to an input signal 1 Connect each of the EXT TRIG and GND terminals to an external signal outputting device with wires Refer to 2 3 Connec...

Страница 222: ...waves to the EXT TRIG terminal The signal shall have a high level voltage of between 2 5 V and 10 V and a low level voltage of between 0 V and 0 8 V The instrument accepts the external trigger on the...

Страница 223: ...tting 5 Input pulse waves or rectangular waves to the EXT SMPL terminal The signal shall have a high level voltage of between 2 5 V and 10 V and a low level voltage of between 0 V and 0 8 V Available...

Страница 224: ...218 External Sampling EXT SMPL...

Страница 225: ...1 MB 1 5 MB 2 0 MB 3 0 MB 20 k 955 KB 1 1 MB 1 4 MB 2 1 MB 3 0 MB 5 2 MB 50 k 1 2 MB 1 6 MB 2 4 MB 4 0 MB 6 2 MB 11 7 MB 100 k 1 6 MB 2 4 MB 4 0 MB 7 2 MB 11 6 MB 22 5 MB 200 k 2 4 MB 4 0 MB 7 2 MB 1...

Страница 226: ...MB 39 0 MB 76 8 MB 100 k 8 0 MB 13 6 MB 24 8 MB 47 2 MB 78 0 MB 153 6 MB 200 k 16 0 MB 27 2 MB 50 0 MB 94 4 MB 156 0 MB 307 2 MB 500 k 40 0 MB 68 0 MB 124 0 MB 236 0 MB 390 0 MB 768 0 MB 1 M 80 0 MB 1...

Страница 227: ...50 min 00 s 10 h 25 min 00 s 5 h 12 min 30 s 2 h 36 min 15 s 100 kS s 1 d 17 h 40 min 00 s 20 h 50 min 00 s 10 h 25 min 00 s 5 h 12 min 30 s 50 kS s 3 d 10 h 20 min 00 s 1 d 17 h 40 min 00 s 20 h 50...

Страница 228: ...20 s 17 h 21 min 40 s 500 S s 11 d 13 h 46 min 40 s 5 d 18 h 53 min 20 s 2 d 21 h 26 min 40 s 1 d 10 h 43 min 20 s 200 S s 28 d 22 h 26 min 40 s 14 d 11 h 13 min 20 s 7 d 5 h 36 min 40 s 3 d 14 h 48...

Страница 229: ...position the gauges perpendicularly to each other The stress s is multiplied by 1 1 for the 2 gauge method and 1 2 1 for the 4 gauge method Measuring bending stress Stress E When 2 or 4 gauge measurem...

Страница 230: ...io E GPa Carbon steel Carbon content 0 1 to 0 25 205 0 28 to 0 3 Carbon steel Carbon content 0 25 or more 206 0 28 to 0 3 Spring steel Quenched 206 to 211 0 28 to 0 3 Nickel steel 205 0 28 to 0 3 Cast...

Страница 231: ...2 1568E 00 4 9874E 00 OFF CH2 2 K 200 cC Temperature 2 OFF ON CH3 1 VOLTAGE 10V Digital Voltmeter Unit 3 1 ON ENG 2 4178E 00 1 0254E 01 OFF CH3 2 VOLTAGE 10V Digital Voltmeter Unit 3 2 OFF ON L4 A1 4L...

Страница 232: ...226 Information for Reference Purposes...

Страница 233: ...ns 203 205 IP address 183 Subnet mask 183 Concierge 130 Copy function 45 Cursor value 20 D Decibels dB 41 Delimiter 203 Display position Waveform 29 Duty ratio 137 140 154 E Email transmission 198 Eva...

Страница 234: ...imum 137 139 151 Trace cursor 20 Trigger 97 Glitch 113 In 109 Level 107 Level at time 137 143 154 Level trigger 107 Loading data 94 File type 82 Local maximum maximal value 123 124 Local minimum minim...

Страница 235: ...105 TRIG OUT 213 U Undershoot 137 139 156 V Vernier 43 Vertical scale gauge 25 Voltage drop trigger 110 W Waveform Display position 29 Magnification 29 Magnification demagnification 33 Waveform calcu...

Страница 236: ...230 Index...

Страница 237: ......

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