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App-22

IM DL850E-01EN

Appendix

Filter Characteristics (Time Delay) of the Smoothing Filter

The smoothing filter is a moving average filter in which computation is performed in real time. The computation
interval for moving averages is 40 μs (25 kHz). It is constant independent of the sample rate of the DL850E/
DL850EV.
The moving average order (the number of averaged points) is specified in terms of time. The maximum value is
25000 points (when the time is set to 1000 ms).
The characteristics of the smoothing filter are as follows:
•  The filter is a low-pass filter.
•  The pass band is flat.
•  The filter has linear phase characteristics. The group delay is constant for a given filter order.

The group delay can be derived through the following equation.
Group delay = (the number of averaged points − 1) × 40 μs/2

• The filter has comb-shaped bandwidth characteristics.

The figure below shows the result of applying the smoothing filter to a waveform that changes in steps. The
smoothing filter setup time follows the step change.

Smoothing filter setup time

Waveform before the

smoothing

filter is applied

Waveform after the

smoothing filter is

applied

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Summary of Contents for DL850E

Page 1: ...IM DL850E 01EN 1st Edition ScopeCorder DL850E DL850EV Features Guide ...

Page 2: ...f this manual This manual explains the features of the DL850E DL850EV Real Time Math option and how to use it Notes The contents of this manual are subject to change without prior notice as a result of continuing improvements to the instrument s performance and functions The figures given in this manual may differ from the actual screen Every effort has been made in the preparation of this manual ...

Page 3: ...the 16 CH Voltage Input Module 2 17 Temperature Measurement 2 20 Temperature Measurement For the 16 CH Temperature Voltage Input Module 2 22 Strain Measurement 2 24 About Shunt Calibration Only on the 701271 STRAIN_DSUB 2 27 Acceleration Measurement 2 29 Frequency Measurement 2 31 FV Setting F V Setup frequency measurement 2 31 Input Setup Input Setup frequency measurement 2 36 Logic Measurement 2...

Page 4: ...er Reactive Power Q 2 71 CAN ID Detection CAN ID 2 72 Torque Torque 2 73 Notes Regarding Using the Digital Filter and Real Time Math 2 74 3 Horizontal Axis Time Axis Setting TIME DIV 3 1 4 Triggering Trigger Mode MODE 4 1 Trigger Types Type 4 2 Signal Type and Trigger Type Combinations 4 2 Basic Trigger Settings 4 2 Simple Trigger Simple 4 3 Trigger Source Source 4 3 Trigger Level Level 4 4 Trigge...

Page 5: ...rning the X Y Window Display On and Off Display 7 1 Eight Pairs of X Y Waveforms Setup 7 1 Start Point and End Point Start Point and End Point 7 1 Pen Marker Pen Marker 7 2 Clearing Waveforms at Acquisition Start Trace clear on Start 7 2 Display Ratio of the Main Window Main Ratio 7 2 Window Layout Window Layout 7 2 Combine Display Combine Display 7 2 Interpolation Method Dot Connect 7 2 Setting t...

Page 6: ...story Waveforms History Statistics 10 10 Notes about Statistical Processing 10 11 11 Computation Turning Computation On and Off Mode 11 1 Computation Waveform Selection Select Math Trace 11 1 Computation Settings Math Setup 11 1 Scaling Mode Scaling Mode 11 4 Upper and Lower Limits Upper Lower 11 4 Start Point and End Point Start Point End Point 11 4 User Defined Computation Optional 11 4 Expressi...

Page 7: ...6 2 Highlighting Selected Record 16 2 Display Range Start and End Record 16 3 List of History Waveforms List 16 3 History Waveform Search Mode Search Mode 16 4 Search Condition Settings for Zone Searching Search Setup 16 4 Search Condition Settings for Waveform Parameter Searching Search Setup 16 5 Search Execution Execute Search 16 5 Notes about Using the History Feature 16 5 17 Power Math Displa...

Page 8: ... G5 Option 21 2 Snapshot SNAPSHOT 21 2 Clear Trace CLEAR TRACE 21 3 Remote Control Remote Ctrl 21 3 System Configuration System Configuration 21 4 Environment Settings Preference 21 7 Self Test Selftest 21 10 Overview Overview 21 11 Key Lock KEY PROTECT 21 11 NUM LOCK 21 11 Appendix Appendix 1 How to Calculate the Area of a Waveform App 1 Appendix 2 User Defined Computation Optional App 3 FFT Func...

Page 9: ...VOLT Temperature 701261 UNIVERSAL 701262 UNIVERSAL AAF 701265 TEMP HPV Temperature For the 16 CH Temperature Voltage Input Module 720221 16CH TEMP VOLT Strain 701270 STRAIN_NDIS 701271 STRAIN_DSUB Acceleration 701275 ACCL VOLT Frequency 701280 FREQ Logic 720230 LOGIC CAN Bus Signal Monitoring 720240 CAN MONITOR 720241 CAN LIN These modules can be used only with the DL850EV LIN Bus Signal Monitorin...

Page 10: ...at you specify two measured values P1 X P2 X and the value that each one should be converted to P1 Y P2 Y The DL850E DL850EV scales values using the scale conversion equation that it determines Measurement range P1 P2 P1 X P2 X P1 Y P2 Y y ax b Measured values Physical values scaled values Horizontal Axis Time Axis Time Axis Setting Normally under the initial settings the time axis scale is set as...

Page 11: ... the screen Trigger Modes The trigger mode determines the conditions for updating the displayed waveforms There are six trigger modes Auto Auto Level Normal Single N Single and On Start The trigger mode setting applies to all trigger types Trigger Types Triggers can be broadly divided into simple triggers and enhanced triggers Simple Triggers Input Signal Trigger The DL850E DL850EV triggers when t...

Page 12: ...DL850E DL850EV compares the current waveform to the real time template and triggers if the current waveform falls outside of the real time template Measured waveform Tolerance Trigger Trigger Source Trigger source refers to the signal that is used to check the specified trigger conditions You can set the trigger source to an analog signal logic signal time external signal or power line signal Sele...

Page 13: ...ors You need to purchase a hard disk that supports eSATA separately History When waveforms are being measured the waveform data stored in the acquisition memory as a result of a trigger occurrence is displayed as a waveform on the DL850E DL850EV screen and can be viewed When waveform acquisition is being triggered in succession and an abnormal waveform appears it is impossible to stop acquisition ...

Page 14: ...en cleared in update mode or after the waveform has left the screen in roll mode Snapshot waveforms appear in white You can compare them with new waveforms You can also save and print snapshot waveforms as screen captures Waveform Computation and Analysis Waveform Computation You can perform basic arithmetic binarization FFT power spectrum and phase shifting display the waveform with its phase shi...

Page 15: ... waveform GO NO GO Determination This feature is useful for signal testing on production lines and for tracking down abnormal phenomena The DL850E DL850EV determines whether the waveform enters the specified range When the DL850E DL850EV returns a GO or NO GO result specified actions are performed Determination Methods Waveform Zone The DL850E DL850EV returns GO NO GO results based on whether wave...

Page 16: ...e input module uses only the odd main channels of the slot that it is inserted into It cannot use the slot s even main channels If you do not want to measure an individual sub channel turn its input coupling off Sub channels whose input coupling has been turned off are not scanned The maximum sample rate of the 16 CH voltage input module is 200 kS s when only one sub channel is measured The maximu...

Page 17: ...nt to measure a given sub channel turn its input coupling off Sampled data is not acquired for channels whose input coupling is turned off Regardless of the number of measured sub channels the actual maximum sample rate is 100 kS s The sample rate per sub channel varies depending on the main channel sample rate For information about sample rates see appendix 1 in the Getting Started Guide IM DL850...

Page 18: ...es and these modules must be installed in the top slots Voltage measurement for the 16 CH Voltage Input Module 720220 16CH VOLT Temperature measurement 701261 UNIVERSAL 701262 UNIVERSAL AAF 701265 TEMP HPV Temperature measurement for the 16 CH Temperature Voltage Input Module 720221 16CH TEMP VOLT Strain measurement 701270 STRAIN_NDIS 701271 STRAIN_DSUB Acceleration measurement 701275 ACCL VOLT Fr...

Page 19: ...age Conversion Ratio Probe Bandwidth Bandwidth Zoom Method V Scale Zooming by Setting a Magnification V Zoom Zooming by Setting Upper and Lower Display Limits Upper Lower Offset Offset DC Offset Cancel DC Offset Cancel Gain Adjustment Gain Trace Settings Trace Setup Inverted Waveform Display Invert Linear Scaling Linear Scale RMS Measurement Waveform Display Display Select whether to display each ...

Page 20: ...rm acquisition is stopped turning the SCALE knob will not change the displayed waveform The changed V div value will be applied the next time that waveform acquisition is started While waveform acquisition is stopped turning the SCALE knob will not change the cursor measurement values or the automated measurement values of waveform parameters they will continue to be based on the V div value at th...

Page 21: ... the largest possible amplitude To display multiple waveforms so that they do not overlap without dividing the screen you have to set the vertical scale to a low value This prevents you from taking advantage of the A D converter s resolution However if you divide the screen and arrange the waveforms in the divided screens they will not overlap and you can raise their vertical scales Measurement Re...

Page 22: ...ust the position of each channel and sub channel To change the position of a channel press the key from CH1 to CH16 that corresponds to the channel To change the position of a sub channel press an odd channel key from CH1 to CH15 and then press the soft key that corresponds to the sub channel Position 3 div Position 3 div Position 0 div Vertical position mark You cannot use the vertical POSITION k...

Page 23: ...nal is coupled to the ground rather than to the attenuator of the vertical control circuit Set the input coupling to GND to check the ground level on the screen 1 MΩ 1 MΩ DC AC GND Vertical control circuit Vertical control circuit Vertical control circuit Input terminal Input terminal Input terminal TC Only when measuring temperature Set the coupling to TC when you are measuring temperature using ...

Page 24: ...ad the measurement voltage current correctly you must set the attenuation on the DL850E DL850EV to match the probe attenuation or current to voltage conversion ratio Set the attenuation ratio as indicated below for each probe The probes are optional accessories that are sold separately Probe Type Attenuation Isolated probe 700929 10 1 Isolated probe 701947 100 1 Current probe 701933 10 A 1 V Curre...

Page 25: ... can set the bandwidth limit to 400 Hz 4 kHz or 40 kHz The frequency characteristics for the different bandwidth limits are shown below If you select Full the module s maximum bandwidth is used 3 dB Approx 400 Hz Approx 40 kHz Approx 4 kHz FULL Bandwidth Limitation on the 701262 UNIVERSAL AAF and the 701275 ACCL VOLT When you are measuring voltage using the 701262 UNIVERSAL AAF or when you are usi...

Page 26: ... can choose from are listed below x0 1 x0 111 x0 125 x0 143 x0 167 x0 2 x0 25 x0 33 x0 4 x0 5 x0 556 x0 625 x0 667 x0 714 x0 8 x0 833 x1 x1 11 x1 25 x1 33 x1 43 x1 67 x2 x2 22 x2 5 x3 33 x4 x5 x6 67 x8 x10 x12 5 x16 7 x20 x25 x40 x50 x100 The range of zoom magnifications that you can choose varies under special circumstances as described below When using the 701267 HV with RMS 50 V div x0 25 to x1...

Page 27: ...depending on the range unit When the range unit is μSTR 30000 μSTR When the range unit is mV V 15 mV V For the 701275 ACCL VOLT the range of the upper and lower limits is 2000000 units For the 701280 FREQ the range of the upper and lower limits is offset Value div 30 When measuring frequencies 1500 kHz to 1700 kHz When measuring revolutions in rpm 300 krpm to 350 krpm When measuring revolutions in...

Page 28: ...n measuring pulse widths Value div 1000 or 50 s When measuring pulse integration Value div 1000 or 1 0000E 22 When measuring velocity Value div 1000 or 1 0000E 22 Notes about Setting the Offset When you are measuring voltage changes to the offset are applied when acquisition is stopped When you are measuring the frequency or some other value using the frequency module changes to the offset are not...

Page 29: ...number appears highlighted ON DC offset canceling is enabled OFF DC offset canceling is disabled Execute Executes offset adjustment 1 00V div Voltage 2 00V Position 0 00div OFF CH1 CH1 1 00V div Voltage 0 00V Position 0 00div 3div 7div When Execute is specified or when ON is specified after Execute Display range channel number Measurable voltage range This function can be adjusted when the DC offs...

Page 30: ... vertical position Vertical position mark Normal display Inverted display Cursor measurements automated measurements of waveform parameters and computations are performed on the inverted waveforms Even when inverted waveforms are displayed triggering is based on the uninverted waveforms When you are measuring strain you cannot invert waveforms whose measurement has finished The inversion setting w...

Page 31: ...sults Y AX B X Value before scaling Y Value after scaling Selectable range for A and B 9 9999E 30 to 9 9999E 30 Initial value of A 25 000E 00 Initial value of B 25 000E 00 P1 P2 You can specify two measured values P1 X P2 X and specify a scale value P1 Y P2 Y for each The scale conversion equation y ax b is determined by these four values Measured value P1 X P2 X range Same as the measurement rang...

Page 32: ...If you set SubUnit to a setting other than Auto numbers will be displayed with the specified unit prefix If you select Auto the DL850E DL850EV will automatically select appropriate unit prefixes The default setting is Auto The DL850E DL850EV displays values in exponential notation if it is unable to display them as decimal numbers Scale Value Display You can display the linearly scaled values of t...

Page 33: ...s shown in the example above if Vm is 2 V the RMS value Vrms is approximately 1 4 V DC RMS Use this setting when you want to observe the RMS values of the entire signal including both the DC and AC components Example When you measure the RMS values of a 2 Vpeak sine wave with a 1 VDC component superimposed on it an approximately 1 7 VDC signal appears as shown in the figure on the right Approx 1 7...

Page 34: ...of the slot that it is inserted into It cannot use the slot s even main channels On the 16 CH voltage input module turning the display of a waveform on or off turns the displays of all of the module s sub channels on or off To turn off the display of individual sub channels turn off their input coupling Setting All Sub Channels All SubChannels Setup You can configure the settings of all sub channe...

Page 35: ... and Lower Display Limits Upper Lower Offset Offset Trace Settings Trace Setup Inverted Waveform Display Invert Linear Scaling Linear Scale Linear Scaling Linear Scale Notes about Using the 16 CH Voltage Input Module 720220 Notes about Using the 16 CH Temperature Voltage Input Module 720221 2 Vertical Axis ...

Page 36: ...he linear scaling settings of all sub channels while viewing the settings in a list The settings that you can view and configure are listed below You cannot configure these settings when the input coupling is set to TC Linear scaling Linear Scale A and B for AX B or P1 X P1 Y P2 X and P2 Y for P1 P2 unit string Unit display mode Disp Type number of decimal places Decim Num unit prefix Sub Unit Cop...

Page 37: ...Does not display the waveform Labels Label Input Coupling Coupling Set the coupling to TC when you are measuring temperature using the 701261 UNIVERSAL 701262 UNIVERSAL AAF or 701265 TEMP HPV To measure voltage set the input coupling to an appropriate voltage measurement setting Thermocouple Type Type Select the appropriate thermocouple type for thermocouple that you are using You can select therm...

Page 38: ...t of correcting for the temperature of the measuring instrument and using it as a cold junction On the DL850E DL850EV you can turn the internal RJC circuit on and off ON Select ON to use the RJC circuit to perform reference junction compensation OFF Select OFF to check measured temperature values or use an external reference junction 0 C Normally you should perform measurements with RJC set to ON ...

Page 39: ...y Display You can select whether to display each module s input signal waveforms You can turn the display of each main channel CH1 CH3 CH5 CH7 CH9 CH11 CH13 and CH15 on and off ON Displays the waveform OFF Does not display the waveform The 16 CH temperature voltage input module uses only the odd main channels of the slot that it is inserted into It cannot use the slot s even main channels On the 1...

Page 40: ...n V Zoom Zooming by Setting Upper and Lower Display Limits Upper Lower Offset Offset Trace Settings Trace Setup Inverted Waveform Display Invert Linear Scaling Linear Scale When the Input Coupling Is Set to TC Thermocouple Type Type Display Range Upper Lower Temperature Unit Unit Trace Settings Trace Setup Reference Junction Compensation and Burnout Temperature Setup Built in reference junction in...

Page 41: ...ange Unit Trace Settings Trace Setup Inverted Waveform Display Invert Linear Scaling Linear Scale About Shunt Calibration Waveform Display Display Select whether to display each channel s input signal waveform ON Displays the waveform OFF Does not display the waveform Labels Label Vertical Scale SCALE knob You can select one of the following measurement ranges When μSTR Is Selected 500μSTR 1000μST...

Page 42: ...he gauge factor to 2 00 For factors other than 2 00 e is computed with in the DL850E DL850EV using the following equation e 4 K V E e The measured value of the strain gauge transducer mV V V The measured bridge voltage mV E The applied bridge voltage V K The gauge factor When you change the unit of a channel the units for all the items related to the channel change Upper and lower limits Upper Low...

Page 43: ...perly if you apply a bridge voltage of 5 V or 10 V when the bridge resistance is 350 Ω or less When you use a strain gauge transducer be sure to use it at a bridge voltage that is within the transducer s recommended voltage range Balancing cannot be performed if there is no strain measurement bridge bridgehead or strain gauge transducer connected to the channel that you are trying to perform balan...

Page 44: ...recting the gain on the negative side normal Bridge Bridge In In Shunt resistor when correcting the positive side Bridge voltage 120 Ω 120 Ω 120 Ω When correcting the gain on the positive side Shunt calibration relay circuit Built into the strain module Turns on and off automatically when shunt calibration is executed Shunt calibration relay circuit Built into the strain module Turns on and off au...

Page 45: ...responding to the shunt resistor to P2 Y Current measured value Executing Shunt Calibration Shunt Cal Exec Executes shunt calibration Unit String Unit String You can set the unit using up to four alphanumeric characters Display Type Display Type The same as the linear scaling settings for voltage measurement For details about shunt calibration see appendix 4 When you execute shunt calibration sele...

Page 46: ... Label Vertical Scale SCALE knob Waveform Vertical Position Vertical POSITION knob Input Coupling Coupling To measure acceleration with the 701275 ACCL VOLT set the input coupling to ACCEL To measure voltage set the input coupling to an appropriate voltage measurement setting Bias Bias Select whether to supply bias current to the acceleration sensor ON Bias current is supplied to the acceleration ...

Page 47: ...the input signal to a value from 0 1 to 100 The default setting is 1 Trace Settings Trace Setup Sensitivity Sensitivity You can set the sensitivity of the acceleration sensor that you are using to a value between 0 10 mV Unit and 2000 00 mV Unit Unit Unit Set the unit of acceleration to be displayed using up to four characters The default setting is m s2 Change the unit as necessary 2 Vertical Axi...

Page 48: ... Display Display Labels Label Vertical Scale SCALE knob Waveform Vertical Position Vertical POSITION knob FV Settings F V Setup Settings for Each Item Input Setup Input Setup Zoom Method V Scale Zooming by Setting a Magnification V Zoom Zooming by Setting Upper and Lower Display Limits Upper Lower Offset Offset Trace Settings Trace Setup Linear Scaling Linear Scale Waveform Display Display Select ...

Page 49: ...r Duty Tlow s Tw s Measurable range 0 to 100 Thigh s Tw s Tlow s Power Supply Frequencies Power Freq Power supply frequency Hz 1 Tw s Resolution 0 01 Hz Measurable range 50 Hz 60 Hz or 400 Hz 20 Hz Tw s Pulse Widths Pulse Width Pulse width s Thigh s Or pulse width s Tlow s Measurable range 2 μs to 50 s Thigh s Tlow s Pulse Integration Pulse Integ Pulse integration N count physical amount per pulse...

Page 50: ...e falling pulse width is measured Tp Ta Tb Tp Ta Tb When Positive Is Selected When Negative Is Selected Pulse width The width of Tp is measured Duty Ta Tb is measured Notes about Duty Ratio Measurement During duty ratio measurement the output changes to 0 or 100 when one of the following conditions is met A pulse is not received for a period of time equal to four times the period of the previous p...

Page 51: ...t of time to hour min or sec The output is automatically converted to the appropriate velocity for the specified time Unit Setting Unit Set the unit of velocity to be displayed using up to four characters The default setting is m s Filter Filter Smoothing Smoothing The frequency module can display waveforms using real time moving averages of the data The moving average order can be set through the...

Page 52: ...ction The 701280 FREQ automatically performs internal computation and displays waveforms by predicting the deceleration curve and stop point even when the input pulse is suddenly cut off This function enables the measurement of waveforms of deceleration behavior that are close to the actual physical phenomenon in applications in which the deceleration behavior of an object that has inertia is meas...

Page 53: ...ltage range make sure that the maximum amplitude does not exceed the voltage range AC100V AC200V Use this preset when measuring the supply voltage of 100 V or 200 V power supply systems The probe type is automatically set to 10 1 the voltage range is automatically set to a value suitable for the input voltage and probe factor and the coupling is automatically set to AC Be sure to use the isolated ...

Page 54: ...ct Full when Preset is set to AC100V or AC200V Threshold Level Threshold You can set the level within the FS of the input voltage range The resolution is the value that corresponds to 1 of the FS Hysteresis Hysteresis You can set the hysteresis to 1 2 5 or 5 of the FS of the input voltage range Slope Slope Select rising or falling Chattering Elimination Chatter Elimination Eliminates the chatterin...

Page 55: ...oltage to a value from 0 V to 5 V If you apply a voltage that is outside of this range the internal protection circuit will cut off the pull up circuit Internal Equivalent Circuit for When the Pull up Function Is Enabled 5 V 4 7 kΩ 990 kΩ 10 kΩ Zoom Method V Scale Zooming by Setting a Magnification V Zoom Zooming by Setting Upper and Lower Display Limits Upper Lower Offset Offset Trace Settings Tr...

Page 56: ...t Settings Logic Bit Setup Bit Display Display You can set whether to display the waveform of each bit Bit1 to Bit8 All Bits On All Bits Off Bit Name Bit Name You can assign labels to bits using up to sixteen characters Depending on the display and zoom formats label names may not appear when the waveform display is narrow Chattering Elimination Chatter Elimination For each bit you can set whether...

Page 57: ...ng by Setting a Magnification V Zoom Trace Settings Trace Setup Note about Logic Measurement In the logic settings in the preferences you can set the display format Bit or Hex the cursor order and the bit order 2 Vertical Axis ...

Page 58: ... following processing times to read data frames transferred on the CAN bus New data frames that the DL850EV receives during these processing times may be discarded Number of Channels Used per Port One Port in Operation Two Ports in Operation 1 40 μs 80 μs 8 60 μs 120 μs 16 80 μs 160 μs 32 120 μs 240 μs 60 200 μs 400 μs Waveform Display Display You can select whether to display each port s input si...

Page 59: ...hannels for each port When the data field contains two units of data bit 64 56 48 40 32 24 16 8 0 CH15_2 CH15_1 Start Bit 0 Bit Count 16bit 2 byte integer CH15_1 Start Bit 32 Bit Count 32bit 4 byte integer CH15_2 4 byte real numbers can be extracted by modules whose firmware version is 1 20 and later Input Input ON The data is monitored OFF The data is not monitored or displayed Labels Label Messa...

Page 60: ...ory MSB 63 56 55 8 7 0 msb 0 lsb LSB MSB Most significant byte LSB Least significant byte msb Most significant bit lsb Least significant bit Big Endian 7 LSB 7 0 15 55 63 56 MSB MSB Most significant byte LSB Least significant byte msb Most significant bit lsb Least significant bit Little Endian msb 0 lsb 7 Value Type Select the data type to extract Unsigned Unsigned integer Signed Signed integer F...

Page 61: ...efinition file using YOKOGAWA s free Symbol Editor software You can obtain Symbol Editor from the YOKOGAWA website http www yokogawa com ymi CANdb files dbc are signal definition database files created using the CANdb or CANdb software produced by Vector Informatik Sub Channels 1 to 60 Sub Channel 1 to 60 Configure the display label zoom magnification scaling method and display range settings of t...

Page 62: ... Port Setup menu Listen Only is set to ON Configuring the Scales of All Sub Channels All SubChannel Scale Configure the scales of all sub channels All SubChannel Auto The upper and lower display range limits are set automatically All SubChannel Default To the greatest extent possible within the settable range the maximum and minimum values are used to set the upper and lower limits of all sub chan...

Page 63: ...quence 7 EOF Recessive Dominant SOF RTR IDE RB0 ACK Boundary ACK Slot CRC Boundary Extended format 1 11 1 1 1 4 15 1 1 1 7 1 1 18 ID 28 18 ACK Remote Frame ID 17 0 DLC 3 0 CRC Sequence EOF Arbitration Field Control Field CRC Field SOF SRR IDE RTR RB0 RB1 ACK Boundary ACK Slot CRC Boundary Motorola s Forward format setting is not supported 2 Vertical Axis ...

Page 64: ...nt trace settings and scaling You can install up to two 720241 CAN LIN bus monitor modules in slots 7 and 8 If you install this module together with a 720240 CAN bus monitor module you can still only install a total of two modules The DL850EV requires the following processing times to read data frames transferred on the LIN bus New frames that the DL850EV receives during these processing times may...

Page 65: ...el ID Hex Set the ID 6bits of the LIN frame to acquire 0x00 to 0x3f Start Bit Specify the bit number of the data extraction starting point 0 to 63 Bit Count Set the number of data bits to extract The range that you can specify varies depending on the data type Unsigned Signed 2 to 32 Logic 1 to 8 Byte Order Select the method endian to use to store the data in the acquisition memory MSB 63 56 55 8 ...

Page 66: ...ues that you set here are used to convert the extracted data to physical values Factor Scaling coefficient value per bit Offset Offset value Selectable range 10 000E 30 to 10 000E 30 Unit Using up to 16 characters enter the unit to display for the waveform Loading a LIN Data Definition File Symbol File Load You can configure the LIN data extraction conditions by loading a LIN data definition file ...

Page 67: ...able range the maximum and minimum values are used to set the display range setting which is explained below of the specified sub channel Display Range Upper Lower Set the upper and lower limits of the waveform display range Selectable range 30 000E 30 to 30 000E 30 Configuring the Scales of All Sub Channels All SubChannel Scale Configure the scales of all sub channels All SubChannel Auto The uppe...

Page 68: ...bel coupling Coupling thermocouple type Type bandwidth limit Band Width display range settings Upper Lower reference junction compensation RJC burnout Burn Out vertical scale V Scale zoom method DIV Scale offset Offset position Position magnification for zooming V Zoom display range limits for zooming Upper Lower Strain Waveform display color waveform display Disp label Label range unit Range Unit...

Page 69: ...VOLT or 16chTEMP VOLT When a 16 CH voltage input module or 16 CH temperature voltage input module is installed After you select 16chVOLT or 16chTEMP VOLT select a sub channel Destination Channels Destination Channel You can set the destination channels by selecting ALL ON ALL OFF and CH1 to CH16 Execute Execute Select Execute to copy the settings When a 16 CH voltage input module or 16 CH temperat...

Page 70: ... filters and delays on input channel waveforms A D converted data This is one of the features of the G3 option The other feature is real time math Configure the settings for each channel You can perform filtering on up to 16 channels at the same time Even during waveform acquisition you can set the filter type filter band and cutoff frequency The digital filter delay setup menu is displayed when t...

Page 71: ...you can select depends on the filter type Filter Type Filter Band Gauss Low Pass Sharp Low Pass High Pass Band Pass IIR Low Pass High Pass Band Pass Cutoff Frequency CutOff When the filter type is set to Sharp Gauss or IIR and the filter band is set to Low Pass or High Pass you can set the cutoff frequency The ranges and resolutions are indicated below Filter Type Filter Band Range Resolution Gaus...

Page 72: ...he filter type is set to Mean select the sample rate from the following options The specified sample rate is used to sample waveforms and to filter them 1 M 100 k 10 k 1 k unit S s Interpolation On and Off Interpolate Select whether to perform data interpolation when the filter type is Gauss Sharp IIR or Mean moving average Select whether to perform data interpolation Up to 10 M samples of data ca...

Page 73: ...that is saved is that of the math result If you want to display and save the waveform of the input channel set the real time math to a channel that has no input You can set the real time math source waveforms to the input channels of 16 CH voltage input 16 CH temperature voltage input CAN bus monitor and CAN LIN bus monitor module but you cannot set the channel that the real time math result is ou...

Page 74: ...e calculation is performed on Source1 Source2 Log2 Calculates the common logarithm of the waveform that has been assigned to Source Sqrt1 Calculates the square root of the sum or difference of the squares of the waveforms that have been assigned to Source1 and Source2 This can be used to analyze displacement and tolerance Sqrt2 Calculates the square root of the waveform that has been assigned to S...

Page 75: ...ng frequency is 10 MHz ON The mean is performed OFF The mean is not performed Optimizing Value Div Optimize Value Div Press the Optimize Value Div soft key to automatically set the value div that the DL850E DL850EV determines is the most appropriate for the math source waveform range and the expression The selected value is from among the 123 value div options for vertical axis sensitivity The aut...

Page 76: ...ath source waveforms If you set the real time math channel to RMathX you can select the RMath waveforms on channels up to RMathX 1 If the real time math channel is RMath1 you cannot use any other RMath waveforms as math source waveforms BasicArithmetic with Coefficients A S1 B S2 C A S1 B S2 C A S1 B S2 C A S1 B S2 C Performs addition subtraction multiplication or division with coefficients on the...

Page 77: ...ngle of rotation is calculated from the A B and Z phase signals Incremental AZ Incremental AZ The angle of rotation is calculated from the A and Z phase signals Absolute 8 bit Absolute 8bit The angle of rotation is calculated from an 8 bit logic signal binary code Absolute 16 bit Absolute 16bit The angle of rotation is calculated from a 16 bit logic signal binary code Gray code Gray Code The angle...

Page 78: ...6 bit and gray code encoding set the logic channel for the least significant digits to Source1 and the logic channel for the most significant digits to Source2 When the bit length of Gray Code is 8 or less the Source2 setting is ignored Negative Logic ON OFF Negative logic Select which bit state will be recognized to be logic I ON Negative logic low state is logic I OFF Positive logic high state i...

Page 79: ...l A Falling edge of the phase A signal B Rising edge of the phase B signal B Falling edge of the phase B signal Z level Z Level When the Z phase signal is at a high level Reverse Reverse Set the direction that the angle of rotation increases in ON The rotation is counter clockwise OFF The rotation is clockwise Manual Reset Manual Reset To manually reset the angle of rotation select Execute Logic S...

Page 80: ...les Math Source Waveform Source The options are the same as were described above for basic arithmetic However you cannot select an input channel of a frequency module Calculation Period Calc Period Select the method that is used to determine the RMS calculation period Edge Rising or falling edge of the selected signal or both edges Time Specified time If the Calculation Period Is Edge Edge detecti...

Page 81: ...he math source waveform select Source1 or Source2 You can also select other channels Level Level Slope Slope and Hysteresis Hysteresis Set the signal level the slope and the hysteresis of the edges that separate the calculation periods These settings are shared with the RMS operation Effective Power Integration Power Integ Integrates the effective power of the waveforms that have been assigned to ...

Page 82: ...h Source Waveforms Source1 Source2 and Source The options are the same as were described above for basic arithmetic Sign Sign Set the operator between s12 and s22 in Sqrt1 Addition Subtraction Cosine Cos and Sine Sin Uses the waveforms or logic signals that have been assigned to phases A B and Z to determine the angle and then calculates the cosine or sine of this angle You can use this to convert...

Page 83: ...nt that was determined from the discrete Fourier transform of the waveform that was specified as the target You can calculate the phase difference electrical angle between the motor s angle of rotation and the motor drive current Type Type Select the type of the encoding The settings other than the Resolver Ch setting are shared with the Rotary Angle operation You can specify the Resolver Ch setti...

Page 84: ... above for basic arithmetic However you cannot select an input channel of a frequency module or a real time math channel RMath Elimination Level Set the elimination level which is used to set the input signal to 0 The range of the elimination level is the same as that of the trigger level Differential Select whether to differentiate the waveform after elimination A fifth order Lagrange interpolati...

Page 85: ...ute the decelaration curve from the elapsed time after the pulse input stops ON Deceleration prediction is performed OFF Deceleration prediction is not performed Stop Prediction Stop Prediction Set the time from the point when the pulse input stops to the point when the DL850E DL850EV determines that the object has stopped 2 4 8 16 Stop prediction is performed on the basis of the specified number ...

Page 86: ...re generated from the detection coil of the resolver The options are the same as were described above for basic arithmetic Hysteresis Hysteresis Set the rising edge hysteresis of the excitation sine and cosine signals When the sample point mode which is explained below is set to Auto this setting is applied to all signals When the sample point mode is set to Manual this setting is applied to the e...

Page 87: ...his function can be used on models with firmware version 2 00 and later Math Source Waveforms Source The options are the same as were described above for basic arithmetic Filter Band Filter Band Select the filter band Low Pass High Pass Band Pass Cutoff Frequency CutOff When the filter band is set to Low Pass or High Pass set the cutoff frequency The ranges and resolutions are indicated below Filt...

Page 88: ...lse width modulated signal The pulse width modulation signal is repeatedly integrated over the set period and demodulated to an analog signal Selectable range 0 1 μs to 5000 0 μs Default value 0 1 μs Resolution 0 1 μs Reactive Power Reactive Power Q Calculates the reactive power from apparent power and effective power To calculate the reactive power you must use the real time math feature to calcu...

Page 89: ...sed on DL850EV models with firmware version 2 05 and later Detection Source Waveforms Source CH1 to CH16 1 RMath1 to RMath2 1 You can select an input channel of an installed module However you cannot select the input channels of a logic module frequency module 16 CH voltage input module 16 CH temperature voltage input module CAN bus monitor module or CAN LIN bus monitor module 2 You can use other ...

Page 90: ...o detect the periods If the math source is the signal of a logic module set only the slope 1 The signal level range is the same as the trigger level range 2 The hysteresis level is the same as the trigger hysteresis Deceleration Prediction Deceleration Prediction Set whether to compute the deceleration curve from the elapsed time after the pulse input stops ON Deceleration prediction is performed ...

Page 91: ...e Math source No No Yes No No Target Yes No No Yes Yes Knock Filter Settable only on the DL850EV Yes No No Yes No Poly Add Sub Yes Yes No Yes Yes Frequency Period Yes No Yes Yes Yes Edge Count Yes No Yes Yes2 Yes Resolver Yes Yes No Yes Yes IIR Filter Yes Yes No Yes Yes PWM Yes Yes No Yes Yes Reactive Power Q Yes No No Yes2 Yes CAN ID Yes5 No No No Yes Torque Yes5 No Yes Yes Yes For the names of t...

Page 92: ...ays vary depending on the type of filter and math operation If you are using the result of a real time math channel as the source waveform for another real time math operation the math delays accumulate For details see the appendix in the Real Time Math G3 option User s Manual IM DL850E 51EN Internal Processing of Real Time Math The math source waveforms are 16 bit binary data If they are only 12 ...

Page 93: ...0E DL850EV sample rate math operations are always performed on the data that is output from each module at a maximum math rate of 10 MS s Real time math can be used in all acquisition modes including the dual capture mode Plug in module Real time math ACQ memory Trigger circuit 16 channels 16 channels 16 channels Math operations GIGAZoom Engine 2 Real time math Standard Math Because waveforms are ...

Page 94: ... range starts at 100 ns div when it is not installed the scale range starts at 1 μs div 1 div 500 µs 10 div 5 ms 1 div 1 ms 10 div 10 ms Internal and External Clocks Time base selection Under the initial settings the DL850E DL850EV samples the waveform data using the clock signal produced by its internal time base circuit internal clock You can also use an external clock signal to control sampling...

Page 95: ...oints falls to 2002 but it cannot display the waveform using continuous lines when the number of displayed points falls below 1001 When this happens the DL850E DL850EV interpolates the display data so that the number of displayed points is 1001 Dot Display Under the initial settings display interpolation is performed automatically but you can also disable display interpolation set it to OFF and di...

Page 96: ...ode the DL850E DL850EV displays the waveforms in roll mode In roll mode waveforms scroll from right to left as new data is captured and the oldest values are deleted from the screen This allows waveforms to be observed in the same way as on a pen recorder Roll mode is useful for observing signals with long repeating periods and signals that change slowly It is also effective when you want to detec...

Page 97: ...Auto mode If the time axis is set to a value that would cause the display to switch to roll mode roll mode display will be enabled Normal Mode Normal The DL850E DL850EV updates the waveform display only when the trigger conditions are met If no triggers occur the display is not updated If you want to view waveforms that the DL850E DL850EV cannot trigger on or if you want to check the ground level ...

Page 98: ...emplates and triggers if one of the current waveforms falls outside of its real time template A state condition is a condition that is met when the levels of specified trigger sources are High or Low relative to a specified trigger level If you set a signal to X Don t Care the state of the specified signal is not used to determine whether the state condition is met Manual Trigger Manual Trigger Re...

Page 99: ...he trigger source When a logic input module is installed in a slot bits 1 to 8 appear as options below the channel that corresponds to that slot CH1 to CH16 Time Time Select Time to use the date and time as the trigger source The trigger occurs at the specified date and time and at specified intervals afterwards Specify the year month day hour minute and second You can select one of the time inter...

Page 100: ...div two times the display range Resolution 0 01 div Example when the probe attenuation is 1 1 and the voltage scale is 2 mV div the resolution is 0 02 mV When Measuring Temperature Selectable range The range of thermocouple being used Resolution 0 1 C or 0 1 K When Measuring Strain Selectable range The range of the strain module being used Resolution 1 μSTR or 0 0005 mV V When Measuring Accelerati...

Page 101: ...ox 0 5 div Approx 1 div Temperature Approx 0 5 C K Approx 1 C K Approx 2 C K Strain Approx 2 5 of the range Approx 12 5 of the range Approx 25 of the range Acceleration Approx 0 1 div of the range Approx 0 5 div of the range Approx 1 div of the range Frequency CAN LIN Approx 0 01 div of the range Approx 0 5 div of the range Approx 1 div of the range The above values are approximate values They are...

Page 102: ...addition to the trigger position a time reference point is indicated The times that appear in the lower left and right of the screen are the times from this time reference point The cursor time measurement values are also based on this reference point When waveform acquisition is stopped the displayed location of the time reference point varies as indicated below In Update Mode When the displayed ...

Page 103: ... Delay The DL850E DL850EV normally displays waveforms before and after the trigger point You can set a trigger delay to display waveforms that the DL850E DL850EV has acquired a specified amount of time after the trigger occurrence Selectable range 0 00 μs to 10000000 00 μs 10 s The default settings is 0 00 μs Resolution 0 01 μs Delay Trigger point T Trigger position If you change the time axis set...

Page 104: ...ot used as a condition State Condition Achievement Condition A Condition B Condition Select how the result of comparing the trigger source states to their specified conditions must change for a state condition to be considered met Enter The result must change from not being met to being met Exit The result must change from being met to not being met Number of Times State Condition B Must Be Met Se...

Page 105: ... The signal is not used as a condition State Condition Achievement Condition A Condition B Condition Select how the result of comparing the trigger source states to their specified conditions must change for a state condition to be considered met Enter The result must change from not being met to being met Exit The result must change from being met to not being met Delay Time Set the amount of tim...

Page 106: ...comparing the trigger source states to their specified conditions must be true or false for the state condition to be considered met True The result must be true False The result must be false Edge Detection Condition Edge Set the condition for detecting the trigger source edge An edge is detected when the trigger source changes from a level below the trigger level to a level above the trigger lev...

Page 107: ...d level range OUT An edge is detected when the trigger source leaves the specified level range The signal is not used as a trigger condition IN and OUT are selectable only when the trigger source is an analog signal CH1 to CH16 Trigger Level Level Set these items for each trigger source When the Edge Detection Condition Is or Set the level used to detect the trigger source s rising or falling edge...

Page 108: ... The signal is not used as a trigger condition IN and OUT are selectable only when the trigger source is an analog signal CH1 to CH16 Trigger Level Level Set this item for each trigger source When the Achievement Condition Is H or L Set the level for determining whether the trigger sources are high or low When the Achievement Condition Is IN or OUT An edge is detected when the trigger source enter...

Page 109: ...fied reference times Time or T1 and T2 for the DL850E DL850EV to trigger T Time Period T must be shorter than the reference time Time T Time Period T must be longer than the reference time Time T1 T T2 Period T must longer than reference time T1 and shorter than reference time T2 T T1 T2 T Period T must be shorter than reference time T1 or longer than reference time T2 Reference Times Time T1 T2 Y...

Page 110: ...me or T1 and T2 for the DL850E DL850EV to trigger B Time The DL850E DL850EV triggers when the achievement time is shorter than the reference time Time and the state condition changes to not met B Time The DL850E DL850EV triggers when the achievement time is longer than the reference time Time and the state condition changes to not met B TimeOut The DL850E DL850EV triggers when the achievement time...

Page 111: ...ources from CH1 to CH16 The modules that you can use as sources for the Wave Window trigger are listed below You cannot use other modules or temperature measurement channels as sources 701250 HS10M12 701251 HS1M16 701255 NONISO_10M12 701267 HV with RMS 701261 UNIVERSAL only voltage measurement 701262 UNIVERSAL AAF only voltage measurement 701270 STRAIN_NDIS 701271 STRAIN_DSUB 701275 ACCL VOLT 7202...

Page 112: ...e trigger section When you use the wave window trigger we recommend that you set a pre trigger length that is longer than the reference cycle so that you can observe waveform abnormalities that occur in the reference cycle Sync Channel Sync Ch Select the channel used to detect the points at which waveform comparison for the wave window trigger starts and stops Select the synchronization channel by...

Page 113: ...of the simple trigger Operating Conditions of the Wave Window Trigger You can use the wave window trigger with the following waveforms and settings You cannot use the wave window trigger when the record length is 25 kpoint or less and the time axis setting is shorter than 10 ms div Waveforms AC waveforms and triangular waveforms between 40 kHz and 1 kHz The trigger cannot be used with rectangular ...

Page 114: ...rd length is long computation and measurement processing take longer than when the record length is short The amounts of time for which you can record data to the acquisition memory when the record length is 2 Gpoint are listed below Sample Rate In Seconds In Minutes In Hours In Days 100 MS s 20 0 33 0 0056 0 00023 10 MS s 200 3 33 0 056 0 0023 1 MS s 1800 30 0 50 0 021 100 kS s 18000 300 5 0 0 21...

Page 115: ...al capture feature is used captured waveforms cannot be displayed as envelope waveforms Box Average Mode BoxAverage This mode can be used with the 701250 HS10M12 701255 NONISO_10M12 and 720210 HS100M12 The DL850E DL850EV determines the moving averages of the data sampled at the maximum sample rate saves them to the acquisition memory and uses them to display waveforms This mode is useful for remov...

Page 116: ...recorded to a hard disk To average waveforms that have been acquired in N Single mode set the acquisition mode to Normal and set the history feature s display mode to Averaging Logic CAN monitor module and LIN monitor module waveforms cannot be averaged Acquisition Count Acquisition Count The ranges within which you can set the waveform acquisition count are indicated below If you select Infinite ...

Page 117: ...s settings listed below Number of Channels Maximum Sample Rate Set Record Length Time Axis Setting 1 1 MS s 1 Mpoint or more 1 s div or more the roll mode display area 3 500 kS s 8 200 kS s 16 100 kS s Input signal Normal measurement Hard disk recording Saving and loading of waveform data External hard disk that supports eSATA HD0 option or an internal hard disk HD1 option Acquisition memory Loadi...

Page 118: ... cannot use the history feature Cursor measurement automated measurement of waveform parameters up to 100 Mpoint waveform zooming computation and printing During hard disk recording the DL850E DL850EV may respond more slowly to operations The maximum number of files that can be saved to a single folder is 1000 Do not connect USB storage media to the DL850E DL850EV during hard disk recording or whe...

Page 119: ...d To change the time axis display range change the record length or zoom in on the time axis The measured time values in cursor measurements and automated measurements of waveform parameters indicate the number of clock signal pulses For these measurements units are not displayed Hard disk recording cannot be used The dual capture feature cannot be used The trigger settings listed below are invali...

Page 120: ...mode display Main waveforms low speed sampling Roll mode display up to 1 Gpoint Captured waveforms Zoomed waveform along the time axis Main waveform Sample rate 100 kS s or less Sample rate Faster than that of the main waveform Because there is not enough sampled data the shape of the waveform may not be displayed correctly Because the data is sampled at a high speed the correct shape of the wavef...

Page 121: ...he trigger conditions apply to the captured waveforms When the trigger conditions are met the DL850E DL850EV triggers and acquires the captured waveforms Action Action Setup You can make the DL850E DL850EV perform a specified action when it triggers and acquires captured waveforms Captured Waveform Display Number Select Number You can select the number of a captured waveform and display it The tri...

Page 122: ...s not displayed Display Ratio of the Main Window Main Ratio Window Layout Window Layout Set the display position of the dual capture window Side Horizontal Vertical Vertical Format Format Select the display format of the dual capture window from the following options If you select a value the dual capture window is divided equally to display waveforms Main Main Same as the display format of the ma...

Page 123: ...ed into many areas based on the set record length and the maximum number of acquirable waveforms are stored in the memory You can recall past waveforms that are stored in the memory by using the history feature when waveform acquisition is stopped DL850E DL850EV Operation When the Acquisition Mode Is Set to Averaging Averaging stops when you stop acquisition If you start acquisition again averagin...

Page 124: ...d when values overlap with waveforms and are difficult to see Switching the Menu Area Display You can switch between the full screen waveform display the channel information display and the waveform numeric monitor display Display Pattern Examples The main display patterns are shown in the figure below Main Z2 Z1 Main Z1 Z2 W1 W2 FFT 1 or FFT 2 Z1 Z2 W1 W2 FFT 1 or FFT 2 Main Main Z2 Z1 Main Z1 or...

Page 125: ... waveforms and measured values overlap and are difficult to see you can use the extra window to display them separately The extra window appears below the T Y waveform display window The following values appear in the extra window Cursor measurement values Automated measurement values of waveform parameters The digital values of each channel only during roll mode display Height of the Extra Window...

Page 126: ...ach sub channel for the 16 CH voltage input module 16 CH temperature voltage input module CAN bus monitor module and CAN LIN bus monitor module Because logic input modules are not displayed as individual bits but are instead displayed as single channels a logic input channel can have only one color assigned to it Map Map When the mapping mode is set to User you can set how to map each waveform to ...

Page 127: ...e varies depending on the display record length and zoom ratio You can set the interpolation method to one of the options below OFF Displays the data using dots without interpolation Sine Interpolation Sine Interpolates a sine curve between two points using the sinx x function This method is suitable for the observation of sine waves Linear Interpolation Line Linearly interpolates between two poin...

Page 128: ... period of time that is longer than the waveform update period so that older waveforms remain while new waveforms continue to appear The specified number of accumulated waveforms are displayed with gradually decreasing intensity ON Waveforms are accumulated OFF Waveforms are not accumulated Count Count Set the number of accumulated waveforms to display Waveforms will accumulate infinitely if you c...

Page 129: ...y the channel information display and the numeric monitor display Full Screen Waveform Display The menu disappears and the waveform display area expands horizontally Channel Information The following items are displayed However as the number of displayed channels increases some items may be omitted Voltage measurement V div input coupling probe attenuation type bandwidth limit Temperature measurem...

Page 130: ...lect 16chVOLT or 16chTEMP VOLT select a sub channel 3 On the DL850EV when a CAN bus monitor module or CAN LIN bus monitor module is installed After you select CAN or LIN select a sub channel You cannot select waveforms whose data type Value Type is set to Logic An X Y waveform cannot be displayed if the waveforms assigned to its X and Y axes have different sample rates An X Y waveform cannot be di...

Page 131: ...led data points Interpolation zone refers to the condition in which a given number of data points are not contained in the X Y waveform display The number of data points that define the interpolation zone varies depending on the display record length You can set the interpolation method to one of the options below OFF Displays the data using dots without interpolation Linear Interpolation Line Lin...

Page 132: ...in are displayed at the same time a zoom box appears in the Main window so that you can check the zoom position Vertical Zoom You can magnify displayed waveforms along the vertical axis by using the menu that appears when you press a CH key Zoom Window Display Display You can set whether to display each of the zoom windows Zoom1 and Zoom2 When a zoom window is displayed a zoom bar appears at the t...

Page 133: ...tion position using the zoom POSITION knob or the jog shuttle Taking the horizontal center of the main window to be 0 div set the center position of the zoom boxes in the range of 5 to 5 div In the Main window the box with solid lines is for Zoom1 and the box with dashed lines is for Zoom2 Waveforms are magnified around the centers of the zoom boxes The Z1 or Z2 indicator on the front panel illumi...

Page 134: ... items do not appear when the source waveform of the Zoom2 window is set to Zoom1 Auto Scroll Auto Scroll This feature automatically moves the zoom position in the specified direction You can view the waveform and stop scrolling at the appropriate position Zooms in on the left edge of the Main window Zooms in on the right edge of the Main window Starts scrolling to the left Starts scrolling to the...

Page 135: ... vertical cursors H V Two horizontal cursors and two vertical cursors are used to measure vertical and time values Marker cursors Marker Four marker cursors that move on the waveform are used to measure waveform values Angle cursors Degree Two angle cursors are used to measure angles Horizontal Cursors Horizontal T Y waveforms Two dashed lines horizontal cursors appear on the horizontal axis You c...

Page 136: ...eform to one of the waveforms below CH1 to CH16 1 16chVOLT 2 16chTEMP VOLT 2 CAN 3 LIN 3 Math1 to Math8 All4 1 You can select the channel of an installed module 2 When a 16 CH voltage input module or 16 CH temperature voltage input module is installed After you select 16chVOLT or 16chTEMP VOLT select a sub channel 3 On the DL850EV when a CAN bus monitor module or CAN LIN bus monitor module is inst...

Page 137: ... channels and the Math channel are measured 2 This option does not appear when Trace is set to All Example of Logic Signal Measurement When you measure logic waveforms using vertical cursors the measured values of Y1 and Y2 are determined in the manner shown below 1 Cursor 1 Cursor 2 2 3 4 5 6 7 8 When the cursor order is 1 8 Bit Y1 01001010 Y2 10110010 Hex Y1 4A Y2 B2 When the cursor order is 8 1...

Page 138: ...zontal cursors 0 01 div for vertical cursors Time div 10 display record length Cursor Jumping Cursor Jump You can make V Cursor1 and V Cursor2 jump to the center of the specified zoom window Cursor1 to Zoom1 Cursor1 jumps to the Zoom1 window Cursor1 to Zoom2 Cursor1 jumps to the Zoom2 window Cursor2 to Zoom1 Cursor2 jumps to the Zoom1 window Cursor2 to Zoom2 Cursor2 jumps to the Zoom2 window Measu...

Page 139: ...cted marker jumps to the Zoom1 window To Zoom2 The selected marker jumps to the Zoom2 window Marker Shape Marker Form Set the shape of the displayed marker to one of the options below Mark A dot Line A crosshair Measurement Items Display Item Marker cursors move on the waveform data You can measure the following values at the markers X1 Time value at Marker1 X2 Time value at Marker2 X3 Time value ...

Page 140: ...IN bus monitor module is installed After you select CAN or LIN select a sub channel 4 Cursor measurement is performed on all channels Moving the Cursors Cursor1 Cursor2 Use Cursor1 and Cursor2 to move the cursors Taking the center of the waveform display window to be 0 div you can move the cursors within the range of 5 to 5 div in steps of the following size Time div 10 display record length Curso...

Page 141: ...and horizontal X axis values Marker cursors Marker Four marker cursors that move on the waveform are used to measure waveform values Horizontal Cursors Horizontal Two dashed lines horizontal cursors appear on the horizontal axis You can measure the vertical Y axis value at the position of each horizontal cursor and measure the level difference between the horizontal cursors Measurement Source Wave...

Page 142: ...center of the waveform display window to be 0 div you can move the cursors within the range of 5 to 5 div in 0 01 div steps Measurement Items Item Setup You can measure the following horizontal X axis and vertical Y axis values at the cursor positions Horizontal Axis X axis X1 Horizontal X axis value at V Cursor1 X2 Horizontal X axis value at V Cursor2 ΔX Difference between the horizontal X axis v...

Page 143: ...rom the trigger position at Marker4 Δ T2 T1 Time difference between Marker1 and Marker2 Δ T3 T1 Time difference between Marker1 and Marker3 Δ T4 T1 Time difference between Marker1 and Marker4 FFT Waveforms Cursor Types Type The following types of FFT waveform cursors are available OFF Cursor measurement is not performed Marker cursors Marker You can use four marker cursors to measure frequencies l...

Page 144: ...ce between Marker3 and Marker4 Y1 Level at Marker1 Y2 Level at Marker2 Y3 Level at Marker3 Y4 Level at Marker4 Δ Y2 Y1 Level difference between Marker1 and Marker2 Δ Y3 Y1 Level difference between Marker1 and Marker3 Δ Y4 Y1 Level difference between Marker1 and Marker4 Δ Y3 Y2 Level difference between Marker2 and Marker3 Δ Y4 Y2 Level difference between Marker2 and Marker4 Δ Y4 Y3 Level difference...

Page 145: ... acquired data points is 10010 Therefore if the record length is set to 10 kpoint there will be 10 points of measured data at the same position on the screen The cursor display position is normally within 5 div of the center of the waveform display window In this case if the cursor display position is set to 5 div from the center of the window only 1 point out of 10 points can be measured even if ...

Page 146: ...tomatically measures the specified measurement items on the source waveform Measurement Items Measure Setup Measurement Source Waveform Trace Set the measurement source waveform to one of the waveforms below CH1 to CH16 1 16chVOLT 2 16chTEMP VOLT 2 CAN 3 LIN 3 Math1 to Math8 XY1 to XY8 1 You can select the channel of an installed module Logic module channels are valid only for Frequency Pulse AvgF...

Page 147: ...n The names in parentheses are the measurement item names that appear when the measured values are displayed P P Max Min High Low Over Over Time Measurement Items Rise Rise time s Fall Fall time s Frequency Freq Frequency Hz Period Period s Width Time width of the portion that is greater than the mesial value s Width Time width of the portion that is less than the mesial value s Duty Duty cycle Wi...

Page 148: ...how the area of the X Y waveform is computed see Appendix 1 How to Calculate the Area of a Waveform All Clear All Clear You can turn off all the items for the waveform selected for Trace at once Copy Copy to You can copy the settings of the waveform selected for Trace to other traces You can turn the following channels on and off separately CH1 to CH16 1 16chVOLT 2 16chTEMP VOLT 2 CAN 3 LIN 3 Math...

Page 149: ...t measured point Selectable range 1 to 9 Reference Select whether to use a trace or trigger as the reference for the reference waveform Trace A trace is used Trigger A trigger is used Reference Waveform Reference Trace When Reference is set to Trace set the reference waveform Trace Select a reference waveform CH1 to CH16 1 16chVOLT 2 16chTEMP VOLT 2 CAN 3 LIN 3 Math1 to Math8 1 You can select the ...

Page 150: ...talled After you select CAN or LIN select a sub channel You cannot select waveforms whose data type Value Type is set to Logic Distal Mesial and Proximal Settings Distal Mesial Proximal You can set the distal mesial and proximal values Selectable range 0 0 to 100 0 in 0 1 steps or voltage or temperature values that correspond to 10 div the steps that you can set voltage and temperature values in v...

Page 151: ... measure its measured value is displayed as When the measurement range exceeds 100 Mpoint When the delay measurement mode is Degree and the trigger source is set to the reference of the reference waveform The DL850E DL850EV may not measure correctly if the waveform amplitude is small If there are two or more waveform periods within the measurement time period the time axis parameters are measured ...

Page 152: ...d deviation Count Number of measured values used to calculate statistics The measurement items are the same as those for the automated measurement of waveform parameters If you select CH1 P P as the automatically measured item the number of measured values used to calculate the maximum minimum mean and standard deviation values for CH1 P P appear at the bottom of the screen The DL850E DL850EV can ...

Page 153: ...mine individual periods for each waveform Measures the items in ranges a b and c and calculates statistics on the items in the order a b and c The items of other channels are also measured in ranges a b and c If you select Own the items are measured over each waveform s period Example in Which Cycle Trace Is Set to CH2 c b a CH2 CH1 Measurement Items Measure Setup These items are the same as those...

Page 154: ...he four oldest cycles of the data for CH1 and CH2 The remaining data is not used for statistical processing When Cycle Trace Is Set to Own CH3 Statistically processed cycles Statistically processed cycles Statistically processed cycles Statistical processing is performed in periods that are determined in order from the oldest data of the displayed waveform It cannot be used at the same time as 1 c...

Page 155: ...y on the number of data points that can be displayed in the list Statistical Processing of History Waveforms History Statistics In the statistical processing of history waveforms the DL850E DL850EV measures automatically measured items on the acquired waveform using the history feature and performs statistical processing on them Statistical processing is performed on older waveform data first The ...

Page 156: ...When the measurement time period is greater than 100 Mpoint The starting and stopping of statistical processing may require additional time depending on settings such as the record length the number of statistical processing items and the input waveform While the dual capture window is displayed you can perform statistical processing on captured waveforms To perform statistical processing on the w...

Page 157: ...computed waveform to use to display the computation results Math1 to Math8 Computation Settings Math Setup Operators and Functions Operation Select an operator or function operation definition from the options below OFF Computation is not performed S1 S2 Adds the waveforms assigned to Source1 and Source2 S1 S2 Subtracts the waveform assigned to Source2 from the waveform assigned to Source1 S1 S2 M...

Page 158: ...orm up to MathX 1 as the computation source waveform You cannot use another computation waveform as the computation source waveform for Math1 When computation is performed on a linearly scaled channel the scaled values are used Unit Unit You can assign a unit of up to four characters in length to the computed results The specified unit is reflected in the scale values Label Label You can create a ...

Page 159: ...Flat Top Hamming Phase Shift Shift S1 You can shift the phase of the waveform assigned to Source display the resulting waveform and use the phase shifted data in computations Computation Source Waveform Source Unit Unit Label Label and Turning the Display On and Off Display These settings are the same as those for basic arithmetic Shift Shift You can shift waveforms within the following ranges Whe...

Page 160: ...top of the screen when computations are being executed User Defined Computation Optional You can perform user defined computation on models with the G2 option Operators and Functions Operation Select User Define Expression Expression user defined Create an expression by combining computation source waveforms variables constants functions and operators Computation Source Waveforms and Variables You...

Page 161: ...the pulse widths between a falling edge and the next falling edge1 PWXX PWXX C2 Up Lo Displays the computation of the pulse widths from a rising or falling edge to the next rising or falling edge1 DUTYH DUTYH C1 Up Lo Positive high duty cycle within each cycle of the specified waveform1 DUTYL DUTYL C1 Up Lo Negative low duty cycle within each cycle of the specified waveform1 FILT1 FILT1 C1 Display...

Page 162: ...rm parameter values when the display of the measurement source waveform is off Combinations of Operators That Are Not Allowed An expression cannot be used in another expression with a smaller number Example Math5 M6 M3 Expressions containing only constants K1 to K8 are not allowed Example Math5 K1 K8 An expression can contain only up to two FILT1 or FILT2 functions Example FILT1 C1 FILT1 C2 FILT1 ...

Page 163: ...unt and the resulting values are used to display the waveform For the equation see the equation for linear averaging in Averaging Mode Average Domain Average Domain Select what to average Time A time domain waveform is averaged Freq A frequency domain waveform is averaged Linear Count Linear Count Set the average count Selectable range 2 to 128 in 2n steps Exponential Averaging Exp Using the speci...

Page 164: ... points in each divided cycle are linearly averaged and the resulting values are used to display the waveform Cycle Count Cycle Count Set the number of data points in one cycle Selectable range 10 to 1800 All the data between the computation start and end points can be computed If the data cannot be divided evenly by the specified cycle count the remaining data is ignored Cycle averaging cannot be...

Page 165: ...tation If you change the computation conditions during averaging the computed data up to that point is deleted and averaging starts over FFT Settings FFT Setup user defined FFT computation is performed when you specify an operator that uses FFT computation LS PS PSD CS TF or CH Set the number of FFT points the window function the damping rate and Force1 and Force2 The results of the FFT appear in ...

Page 166: ...re also changed On models that do not have user defined computation G2 option when you enter the FFT menu and turn FFT computation on the Math7 operators become invalid and Math7 cannot be used On models that do have user defined computation when you enter the FFT menu and set FFT 1 and FFT 2 to ON Math7 and Math8 cannot be used When you perform FFT computation on 50 kpoint or more of data using t...

Page 167: ...dule However you cannot select the channel of a logic module 2 When a 16 CH voltage input module or 16 CH temperature voltage input module is installed After you select 16chVOLT or 16chTEMP VOLT select a sub channel 3 On the DL850EV when a CAN bus monitor module or CAN LIN bus monitor module is installed After you select CAN or LIN select a sub channel You cannot select waveforms whose data type V...

Page 168: ...ng window is a corrected Hanning window Its characteristics are similar to those of the Hanning window but the frequency resolution of its main beam is greater than that of the Hanning window The Hamming window is suited for dividing close signals Exponential Exponential The exponential window removes noise from the signal It can be selected only on models with the user defined computation option ...

Page 169: ...u must set the left and right ends of the display range manually Center Span You must set the horizontal center point and span manually You can select this only when the horizontal scale is set to Hz Horizontal Range Left Right Center Span Horizontal Range Left Right When the horizontal zoom is set to Left Right set the left and right ends of the horizontal display range Selectable range 0 00 kHz ...

Page 170: ...G Magnitude of the cross spectrum of the specified two waveforms CS LOGMAG Logarithmic magnitude of the cross spectrum of the specified two waveforms CS PHASE Phase of the cross spectrum of the specified two waveforms CS REAL Real part of the cross spectrum of the specified two waveforms CS IMAG Imaginary part of the cross spectrum of the specified two waveforms TF MAG Magnitude of the transfer fu...

Page 171: ...irst FFT point taking the number of FFT points to be 100 You can set the area to a value from 1 to 100 in 1 steps When the area is set to 100 the window functions like a rectangular window The outer area is the average of the results of the window function for the data outside the area This setting applies to the input signals first parameter of one waveform and two waveform FFTs Force2 You can co...

Page 172: ...figuration of settings in the Math menu or the FFT menu The data point window function and unit settings are shared for the Math and FFT menus When you change the settings in one menu the settings in the other menu are also changed On models that do not have user defined computation G2 option when you enter the FFT menu and turn FFT computation on the Math7 operators become invalid and Math7 canno...

Page 173: ...ect the number of the waveform zone you want to edit from the range indicated below If a zone has already been created for that number the zone will be displayed If no zone has been created for a number select a base waveform from the base waveform editing menu New and then edit the zone Zone 1 to Zone 6 Zone1 to Zone6 Cancel1 1 The selected menu closes Editing a Base Waveform New When you create ...

Page 174: ...ent criterion You can also set the judgment logic action condition sequence and acquisition count and enable or disable synchronization with a remote signal Judgment Criterion Mode Select the judgment criterion from the following options X The condition is not used for GO NO GO determination IN The DL850E DL850EV returns a GO result when the source waveform is within the GO NO GO determination zon...

Page 175: ...s the specified number of waveforms External Start Ext Start You can perform GO NO GO determination and output the results in sync with an external signal applied to the GO NO GO I O terminal of the DL850E DL850EV OFF GO NO GO determination is not performed through the use of an external signal ON GO NO GO determination is performed through the use of an external signal Action Action Determination...

Page 176: ... GO NO GO determination to one of the waveforms below CH1 to CH161 Math1 to Math8 1 You can select the channel of an installed module However you cannot select the channel of a 16 CH voltage input module 16 CH temperature voltage input module CAN bus monitor module or CAN LIN bus monitor module Waveform Parameter Item You can use all automatically measured waveform parameters as reference conditio...

Page 177: ...rigger While you are accessing the DL850E DL850EV through the FTP or Web server if one of the following operations is performed actions cannot be executed until you finish accessing the DL850E DL850EV Printing and saving of screen capture data and saving of waveform data Notes about the Save Data and Save Image Actions Notes about Using the 16 CH Voltage Input Module 720220 Notes about Using the 1...

Page 178: ...printer or Network network printer Waveform Data Saving Save Waveform The DL850E DL850EV saves the waveform data to the specified destination SD card internal or external HD option USB storage device or network drive File Path File Path Specify where to save the file Auto Naming Auto Naming File Name File Name Data Format Data Type These settings are the same as the auto naming file name and data ...

Page 179: ...files exist the number of files that can be stored will decrease The maximum number of files that can be created in a single folder is 1000 Make sure that there are no files in the destination folder before you start the action feature If you select waveform data saving Save Waveform and screen capture saving Save Image at the same time use the FILE menu to specify separate folders to save to In t...

Page 180: ...level Detected section is displayed expanded in the zoom window Search start point Point of detection Search condition Two rising edges Hysteresis Search end point Search Type Type Set the search type to one of the options below Edge The DL850E DL850EV searches for edges Event The DL850E DL850EV searches for an event Logic Pattern The DL850E DL850EV searches for logic patterns This setting is vali...

Page 181: ... Level Set the level used to detect the rising or falling edges of the waveforms You can set the level to a value within the 10 div of the screen The resolution at which you can set the level varies depending on the module Polarity Polarity Select which type of edge to detect from the options listed below Rising Falling Rising or falling Hysteresis Hysteresis You can set a range hysteresis within ...

Page 182: ...div The start and end points are similar to the settable range of the cursor display position in cursor measurement For details see Selectable Range of Cursor Positions Executing a Search Execute The DL850E DL850EV searches for positions where the specified search conditions are met Then the DL850E DL850EV displays the waveforms expanded in the zoom window with the detected point that corresponds ...

Page 183: ...ow Logic Pattern Search Logic Pattern The DL850E DL850EV searches for the specified logic pattern This setting is valid only for logic modules Search Conditions Setup Set the following search conditions the waveforms to search bit settings and count Source Waveform Trace Select the waveforms to search from the options listed below CH1 to CH16 You can select only the following channels Channels of ...

Page 184: ...isplays the waveforms of the area around the specified time expanded in the zoom window Notes about Searching Waveforms You cannot search during data acquisition The search results are invalid after you Start data acquisition Change the settings If you invert or change the offset voltage of a waveform that has been selected as a waveform to search the search is performed on the new waveform Notes ...

Page 185: ...he times at the time references of all history waveforms Waveform Data for the Last N Triggers Is Stored Selected Record 0 Selected Record 25 Current displayed waveform Select Record 0 Past waveform Set Select Record to a value in the range of 0 to N 1 Search You can search for waveforms that meet the specified conditions display the detected history waveforms and list the timestamps of the wavefo...

Page 186: ... waveforms of all history waveforms are displayed Display Mode Display Mode Selects how history waveforms are displayed One waveform 1 Record Only the waveform that corresponds to the selected record number is displayed All waveforms All Record All history waveforms from the specified start Start Record to stop End Record number are overlaid All waveforms other than the highlighted one are display...

Page 187: ...t 4 22 46 5 Mpoint 1 10 22 10 Mpoint 1 4 10 25 Mpoint 11 1 3 50 Mpoint 12 1 1 100 Mpoint 13 11 1 250 Mpoint 14 12 11 500 Mpoint 13 12 1 Gpoint 14 13 2 Gpoint 14 1 Only eight channels worth of history waveforms are acquired 2 Only four channels worth of history waveforms are acquired 3 Only two channels worth of history waveforms are acquired 4 Only one channel s worth of history waveforms are acqu...

Page 188: ...ource Waveforms Source The DL850E DL850EV searches through the waveforms that you select for Source You can select waveforms from CH1 to CH16 The waveforms of channels that have not been specified as search source channels are also displayed However you cannot search through the waveforms of a logic module 16 CH voltage input module 16 CH temperature voltage input module CAN bus monitor module or ...

Page 189: ...4 Parameter Measurement Time Period Time Range1 Time Range2 You can set the measurement time period for the specified parameter by setting Time Range1 and Time Range2 The default settings are 5 div and 5 div The number of data points in the measured waveform can be up to 100 Mpoint from the start of the measurement time period Selectable range 5 div to 5 div The measurement time period is similar ...

Page 190: ...easurement of waveform parameters are performed on the waveform of the record number specified by Selected Record You can analyze old data as long as you do not overwrite the acquisition memory contents by restarting waveform acquisition If Display Mode is set to Average Record analysis is performed on the averaged waveform The times that are listed are the times at the time references When the wa...

Page 191: ...anged even during waveform acquisition However if you change the conditions the measurement count waveform acquisition count is reset The measurement count is displayed in the lower left of the screen The analysis result waveform can be used as a trigger source but it cannot be used as a real time math source Power analysis can be performed on two systems This allows power efficiency and motor eff...

Page 192: ... observe the phase voltage of a measurement source without a neutral line R S T R S T Measurement Function Types Source channel measurement functions The following 32 measurement functions are available U voltage Urms rms value Umn rectified mean value calibrated to the rms value Udc simple average Uac AC component I current Irms rms value Imn rectified mean value calibrated to the rms value Idc s...

Page 193: ...alue calibrated to the rms value Udc3 simple average Uac3 AC component It phase current Irms3 rms value Imn3 rectified mean value calibrated to the rms value Idc3 simple average Iac3 AC component 3V3A 3P4W The following 13 measurement functions are available Ur R N voltage Urms1 rms value Umn1 rectified mean value calibrated to the rms value Udc1 simple average Uac1 AC component Us S N voltage Urm...

Page 194: ...gle phase two wire 1P3W Single phase three wire 3P3W Three phase three wire 3V3A Three voltage three current measurement method 3P4W Three phase four wire 3P3W 3V3A Conversion of three phase three wire system data to the three voltage three current measurement method 3V3A 3P4W Delta star transformation using three phase three wire system data 3P4W 3V3A Star delta transformation using three phase f...

Page 195: ... wired LOAD U I H H SOURCE L L H L CH1 H L CH2 LOAD SOURCE Clamp sensor Single Phase Three Wire 1P3W Four channels that receive two pairs of voltage and current signals can be wired SOURCE LOAD LOAD N H H L H L L H L I2 I1 U1 U2 H N L CH1 U1 I1 H L CH2 H L CH3 U2 I2 H L CH4 SOURCE Clamp sensor Clamp sensor 17 Power Math ...

Page 196: ... R T L CH1 U1 I1 H L CH2 H L CH3 U2 I2 H L CH4 SOURCE Clamp sensor Clamp sensor Three Voltage Three Current Method 3V3A Six channels that receive three pairs of voltage and current signals can be wired SOURCE LOAD LOAD H H H L L L H H L H L L R S T I1 I2 I3 U3 U1 U2 H S R T L CH1 U1 I1 H L CH2 H L CH3 U2 I2 H L CH4 H L CH5 U3 I3 H L CH6 SOURCE Clamp sensor Clamp sensor 17 Power Math ...

Page 197: ... can be determined using delta math H L H H L H L L R S T N I1 I2 U2 U1 Urs It Delta Star Transformation 3V3A 3P4W Six channels that receive three pairs of voltage and current signals can be wired Ur Us Ut and In can be determined using delta math The center of the delta connection is assumed to be the center of the star connection If the actual centers are not aligned errors will result in the ca...

Page 198: ... For details see Trigger Hysteresis in chapter 4 Edge Source Filter Edge Source Filter Select from the following OFF 128 kHz 64 kHz 32 kHz 16 kHz 8 kHz 4 kHz 2 kHz 1 kHz 500 Hz 250 Hz 125 Hz 62 5 Hz The DL850E DL850EV reduces the effects of noise by using hysteresis when it detects zero crossings If the synchronization source is distorted or harmonics and noise are superposed on the signal to a le...

Page 199: ...rms value from the following True RMS rms value Rect Mean rectified mean value calibrated to the rms value φ Scaling φ Scale Select how to display phase differences Radian Radian Degree Degrees Reset on Start Reset Condition on Start OFF Integration continues regardless of the START STOP key state ON Integration is performed only when the START STOP key is set to start The integrated value is rese...

Page 200: ...alues voltage and current and active power The DL850E DL850EV analyzes harmonic orders 1 to 40 for rms values and 1 to 35 for active power This is a feature available on the G5 option Harmonic analysis can be performed when any of the following modules is installed in a slot other than slot 8 701250 HS10M12 701251 HS1M16 701255 NONISO_10M12 701267 HV with RMS 720210 HS100M12 701261 UNIVERSAL 70126...

Page 201: ...sis item Line RMS Harmonic analysis is performed on voltage and current Power Harmonic analysis is performed on active power OFF Harmonic analysis is disabled When the Analysis Mode Is Line RMS Math Source Waveforms Source The modules described in Harmonic analysis can be performed only when one of the following modules is installed in a slot other than slot 8 under Harmonic Analysis Harmonic are ...

Page 202: ...the analysis position on the waveform display of the main screen The analysis results for the cursor position are displayed in the graph window Main Screen Ratio Main Ratio Set the percentage of the entire waveform display area that the main screen will occupy 50 The main screen is displayed in the top half of the entire area 20 The main screen is displayed in the top 20 of the entire area 0 The m...

Page 203: ...d results are displayed OFF The numeric measured results are not displayed Zoom U Zoom I Zoom You can change the size of vectors When you zoom the vectors the value that indicates the size of the vector display s peripheral circle changes according to the zoom factor Range 0 1 to 100 When the wiring system is 3V3A three voltage three current method 3P3W 3V3A conversion of three phase three wire sy...

Page 204: ...n the Graph Window is List Display Item Display Item The same as with Bar Maximum Order to Display Display Max Order The same as with Bar List Start Order List Start Order Set the harmonic to display at the top of the list Harmonics less than the specified harmonic are not shown in the list This is used to scroll the list The range is as follows Line RMS mode 1 to 40 Power mode 1 to 35 List displa...

Page 205: ...is displayed in the bottom of the screen Changing this comment also changes the network printer and file comments Printing from a Network Printer Network You can select a network printer that the DL850E DL850EV is connected to You must configure the network printer in advance Images printed from the network printer are printed just as they are displayed on the DL850E DL850EV On EPSON inkjet printe...

Page 206: ...printer directly to the DL850E DL850EV using a USB cable You can connect or remove the USB cable regardless of whether the DL850E DL850EV is on or off hot plugging is supported If you connect a USB printer when the DL850E DL850EV is on the DL850E DL850EV will detect the printer and enable it for use Connect the USB printer directly not through a hub Do not connect multiple printers to the USB port...

Page 207: ...s will vary depending on the image that is saved Color Color You can select the color format to save to from the options below ON Saves data using 65536 colors ON Gray Saves data using 16 grayscale levels ON Reverse Saves data using 65536 colors The image background is set to white OFF Saves data in black and white Background Transparent or Opaque Background For PNG format you can save the wavefor...

Page 208: ...els with the HD1 option External Hard Disk HD 0 An external hard disk connected to the EXT HDD connector on models with the HD0 option You can connect an external hard disk that supports eSATA Network Drive Network A storage device on the network You can use a network storage device by connecting the DL850E DL850EV to an Ethernet network Notes about Using the USB Memory Connect USB storage media d...

Page 209: ... does not exceed 2 GB Auto Naming Auto Naming Numbering Numbering The DL850E DL850EV automatically adds a four digit number from 0000 to 9999 after the common name specified using the File Name setting up to four characters and saves files Date Date The file name is the date and time down to ms when the file is saved The file name specified using the File Name setting is not used OFF Disables the ...

Page 210: ...s always set to OFF for loaded data If you save a waveform measured using the dual capture feature in binary format the main waveform data and captured waveform data are saved to the same file The instrument numbers of the DL850E DL850EV and each module are saved in the file properties However the instrument numbers of the following modules are not saved 701250 701251 701255 701260 701267 701261 7...

Page 211: ...tical axis horizontal axis and trigger settings are also saved along with the waveforms Saving History Waveforms History You can set the source waveform to one of the waveforms below One waveform One Only the waveform with the record number specified in the history menu is saved All waveforms All All history waveforms between the start and end numbers specified in the history menu are saved To sav...

Page 212: ...850E DL850EV will no longer be able to load it Up to 1000 files and folders can be displayed in the file list If there are more than a total of 1000 files and folders in a given folder the file list for that folder will display only 1000 files and folders There is no way to set which files and folders are displayed Math waveforms are not saved if they are shorter than 10 div Data Format for Saving...

Page 213: ... Measurement Values of Waveform Parameters Measure Save the results of automatic waveform parameter measurement to a file in CSV format The extension is CSV CSV files are text files that contain data separated by commas They are used to convert data between spreadsheet and database applications The maximum number of previous values that you can save is equal to 100000 number of items that are turn...

Page 214: ...ndow Loading Setup Data Setup The setup data of the specified file is loaded The extension is SET The following settings are not loaded Date and time Time synchronization feature option Storage media format USB keyboard language USB communication feature Menu font size Menu background color Click sound on off Key lock Network Recalling Data from the Internal Memory You can recall setup data from t...

Page 215: ...e Dir Make a folder You can use the same characters in folder names that you can in file names Copying and Moving Files Copy and Move You can copy or move the selected files and folders to other storage media or folders You can copy or move multiple files at the same time Deleting Files and Folders Delete You can delete the selected files and folders Renaming Files and Folders Rename You can renam...

Page 216: ...ist You can also select or deselect only the highlighted files To format the storage medium press the UTILITY key to display the System Config menu and then select Storage Manager You can abort the file copy and delete operations except for the file that is being processed at the time 19 Saving and Loading Data ...

Page 217: ...twork and retrieve waveform data Web Server FTP Web Server You can connect the DL850E DL850EV as a Web server to a network You can connect to the DL850E DL850EV from a PC on the same network and monitor the DL850E DL850EV display from the PC Mail Mail The action can be set to mail transmission Network Printer Net Print You can specify a network printer for printing screen captures Network Drive Ne...

Page 218: ...cify the host by name instead of by IP address Set the domain name and the DNS server address 0 0 0 0 by default For details consult your network administrator DNS Servers DNS Server1 DNS Server2 You can specify up to two DNS server addresses primary and secondary If querying fails with the primary DNS server the secondary DNS server is automatically used to find the mapping of the host name and d...

Page 219: ... DL850EV aborts the connection process To apply the settings that you specified press Entry FTP Server Overview When the DL850E DL850EV is connected to the network as an FTP server the following features become available FTP Server From a PC you can view a list of files that are stored in the DL850E DL850EV storage medium the internal memory or a storage medium that is connected to it and retrieve...

Page 220: ...sh the DL850E DL850EV screen that is displayed on the PC and take screen captures PC Operations Setting the Screen Update Rate You can set the update rate to 5 s 10 s 30 s or 60 s Screen Update Start The display starts updating automatically at the rate that you specify Screen Update Stop You can stop the updating of the display Manually Update the Screen You can update the display manually START ...

Page 221: ... of e mails Attaching Image Files Attached Image File You can attach a capture of the screen that is displayed at the time the email is sent File format The format that you set in the FILE menu for saving screen captures File name DL_image time extension Example DL Image1006171158 extension is a screen capture taken at 11 58 on June 17 2010 Resolution XGA 1024 768 dots Approximate File Size Normal...

Page 222: ...n a network with a DNS server you can specify the host name and domain name instead of the IP address Login Name Login Name Specify the login name The characters that you can use for the password are all the ASCII characters on the keyboard Password Password Specify the password that corresponds to the login name The characters that you can use for the password are all the ASCII characters on the ...

Page 223: ...t of time it aborts the operation Executing Time Adjustment Adjust The DL850E DL850EV clock is synchronized to the SNTP server clock Automatic Adjustment Adjust at Power On You can configure the DL850E DL850EV so that its clock is automatically synchronized to the SNTP server clock when the DL850E DL850EV is turned on when it is connected to the network If the time difference from GMT Greenwich Me...

Page 224: ...10 is installed Simple repeating signals with frequencies between 50 Hz and 10 MHz When module 720210 is not installed Simple repeating signals with frequencies between 50 Hz and 1 MHz Signals whose maximum absolute input voltage is 20 mV at 1 1 probe attenuation to the maximum range 10 The auto setup feature may not work properly for signals that include a DC component or high frequency component...

Page 225: ...if any of the time periods listed below has elapsed since the power was turned on Approx 3 minutes Approx 10 minutes Approx 30 minutes and every 30 minutes thereafter Power Integration Calibration On Models with the G5 Option Executing Calibration Execute Calibration Calibrates the following items Execute calibration when you want to make accurate measurements Ground Level of Power Analysis Items ...

Page 226: ...e If you send commands simultaneously from another communication interface that has not been selected the DL850E DL850EV will not execute the commands properly When the DL850E DL850EV is in remote mode and is communicating with a PC Remote appears in the lower right of the DL850E DL850EV screen All keys except SHIFT CLEAR TRACE are disabled in Remote mode USB Connects the DL850E DL850EV to a PC us...

Page 227: ...E DL850EV to a PC be sure to use straight cables through a hub Correct operation is not guaranteed for a one to one connection using a cross cable Use one of the following types of network cable that conforms to the transfer speed of your network A UTP Unshielded Twisted Pair cable An STP Shielded Twisted Pair cable System Configuration System Configuration You can specify the following settings D...

Page 228: ...u can use this feature to use an IRIG Inter Range Instrumentation Group signal to synchronize the time on the DL850E DL850EV with the GPS Global Positioning System This feature has three conditions Unlock Lock and Stable When an IRIG signal is properly received the DL850E DL850EV enters into the Lock condition and acquires time information Turning the Time Synchronization Feature On and Off Time S...

Page 229: ...rmation The accuracy must be 100 m or less to achieve GPS Lock Position DOP Indicates the accuracy of the position information The accuracy must be 25 or less to achieve GPS Lock Number of Satelites Indicates the number of GPS satellites that are being used to calculate the position information Leap Seconds Indicates the leap seconds used to calculate the UTC time The default condition is 16 secon...

Page 230: ...ontact your nearest YOKOGAWA dealer You can also access the YOKOGAWA USB driver download website and download the driver http www yokogawa com ymi When USB Function is set to Storage only the internal hard disk of the DL850E DL850EV can be used as a storage device You cannot access the storage media connected to the USB ports of the DL850E DL850EV When you access the internal hard disk of the DL85...

Page 231: ...p Menu Font Size Menu Font Size You can set the font size of the menu to Small or Large Menu Background Color Base Color You can set the background color of the menu to Blue or Gray Scale Value Display Font Size Scale Font Size You can set the font size of the scale value display to small or large Items Whose Scale Values Are Displayed Scale On Item Set the items that you want to display when Scal...

Page 232: ...Cursor Read Mode and Data Save Destination Analysis Setup Cursor Read Mode Cursor Read Mode You can select whether to perform cursor measurements on P P compressed display data or the data that has been acquired in the acquisition memory Display data Display Cursor measurements are performed on the display data Acquisition ACQ Cursor measurements are performed on sampled data in acquisition memory...

Page 233: ...ly If an error occurs Error appears Hard Disk Test HDD You can test an internal or external hard drive to determine whether it is functioning normally If an error occurs Error appears Printer Test Printer Tests whether the optional built in printer is operating properly If the print density is correct the built in printer is operating properly If an error occurs the built in printer does not print...

Page 234: ...talled on the module is also displayed For the 701265 Example 701265 A AA A AA is the version of the firmware installed on the module For the 701280 720221 720240 and 720241 Example 701280 B BB C CC B BB is the version of the firmware installed on the module C CC is the version of the firmware on the DL850E DL850EV that can be installed on the 701280 FREQ If the two above versions are the same onl...

Page 235: ...nteg1XY 1 Multiple Loops S0 Start point stop point Area S n S0 n The number of loops 2 Non Closed Curve S0 Start point Stop point 3 Loop Tracing a Figure Eight Area S S0 S1 4 Loop Tracing a Spiral Stop point S0 S1 Start point Stop point Start point S0 Waveform S1 Area S S0 Area enclosed by a curve connecting the start and stop points Area S S0 2 S1 The number of overlaps varies according to the nu...

Page 236: ...oint S0 2 4 Stop point Start point S0 Area S S0 S1 X axis Y 0 X axis Y 0 Area S S0 Start point Stop point S0 2 When the Waveform Extends into the Negative Side X axis Y 0 S0 S1 Start point Stop point 3 When Multiple Y Data Corresponds to One Point of X Data X axis Y 0 S0 Start point Stop point Area S S0 X axis Y 0 S0 Stop point Start point Area S S0 2 S1 S2 S1 S2 Area S S0 Appendix ...

Page 237: ... 2 HighPass 4 4 4 4 3 Filter Characteristics Filter Pass band Ripple Attenuation Slope Attenuation at the Stop band Phase Gauss 0 dB Linear phase Sharp 0 3 dB 40 dB at 1 oct Lowpass 40 dB Linear phase 40 dB at 1 oct Highpass Linear phase IIR 0 dB 5 dB at 1 6 oct Lowpass Non linear phase 20 dB at 1 oct Highpass For Gaussian filter 3 0 f fc 2 dB f frequency fc cutoff frequency Frequency Characterist...

Page 238: ...nal is transformed the signal is first transformed into the frequency domain through Fourier transform Next the phase of each frequency component is shifted by 90 degrees if the frequency is positive and 90 degrees if the frequency is negative Lastly taking the inverse Fourier transform completes the Hilbert transform Example The Hilbert transform can be used to analyze an envelope waveform AM amp...

Page 239: ... xn 4 Equations for First Order Derivatives Point x0 f0 25f0 48f1 36f2 16f3 3f4 Point x1 f1 3f0 10f1 18f2 6f3 f4 Point x2 f2 f0 8f1 8f3 f4 Point xk fk fk 2 8fk 1 8fk 1 fk 2 Point xn 2 fn 2 fn 4 8fn 3 8fn 1 fn Point xn 1 fn 1 fn 4 6fn 3 18fn 2 10fn 1 3fn Point xn fn 3fn 4 16fn 3 36fn 2 48fn 1 25fn h Δx is the sampling interval s example h 200 10 6 at 5 kHz 1 12h 1 12h 1 12h 1 12h 1 12h 1 12h 1 12h ...

Page 240: ... Point x2 I2 f0 f1 h f1 f2 h I1 fI I2 h Point xn In In 1 fn 1 fn h 1 2 1 2 1 2 1 2 1 2 Equations for Second Order Integration IINTG Point x0 II0 0 Point x1 II1 I0 I1 h Point x2 II2 I0 I1 h I1 I2 h II1 II I2 h Point xn IIn IIn 1 In 1 In h 1 2 1 2 1 2 1 2 1 2 Binary Conversion BIN Binary conversion is performed through the use of the specified threshold levels BIN C1 1 0 Upper threshold level Lower ...

Page 241: ...ncy component G of a linear spectrum is represented by G R jI where R is the real part and I is the imaginary part Linear Spectrum The linear spectrum can be directly determined with the FFT Through this spectrum the magnitude and phase of each frequency component included in the measured waveform can be found The power spectrum and cross spectrum can also be determined from the linear spectrums o...

Page 242: ...during the analysis of the power spectrum The computation varies depending on the window function Power spectrum density is used to compare power spectrums analyzed at different frequency bands However it is not necessary for signals having a line spectrum such as sine waves The DL850E DL850EV can determine the following spectrums Item Expression Computation Magnitude PSD MAG PS MAG Δf k Log magni...

Page 243: ... of the cross spectrum of the input and output Gyx and the input power spectrum Gxx Transfer function Gy Gx Gy Gx Gx Gx Gyx Gxx Ryx jIyx Rx2 Ix2 The DL850E DL850EV can determine the following items Item Expression Computation Real part TF REAL Ryx Rx2 Ix2 Imaginary part TF IMAG Iyx Rx2 Ix2 Magnitude TF MAG Ryx2 Iyx2 Rx2 Ix2 Log magnitude TF LOGMAG 20 log Ryx2 Iyx2 Rx2 Ix2 Phase TF PHASE tan 1 Iyx ...

Page 244: ... the proper window to be applied When the waveform being analyzed is a continuous signal consider the above characteristics in selecting the proper window to be applied T T T T t Sine wave Time windows Integral Power spectrum Rectangular Hanning T T Hamming Rectangular Hanning Flattop Hamming W t u t u t T u t Step function W t 0 5 0 5 cos 2π W t 0 54 0 46 cos 2π W t 0 54 0 46 cos 2π T T Flattop t...

Page 245: ...indows The DL850E DL850EV uses a window function that combines the exponential window and force window to perform computations The outer area of the force window is the average of the results of the window function for the data outside the area 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 20 40 60 80 100 Record length Damping rate 1 Damping rate 20 Damping rate 50 Damping rate 90 When the Force Windo...

Page 246: ... Computation Computation is normally performed on the sampled data in the acquisition memory However for waveforms that have been acquired in envelope mode computation is performed on the maximum and minimum values per acquisition interval Appendix ...

Page 247: ...rain ε of a Wheatstone Bridge 1 Gauge Method If we assume V to be the voltage measured on the bridge and E to be the voltage applied to the bridge V 1 4 E ΔR R 4 From equation 3 ΔR R K ε Thus V 1 4 E K ε 5 When Determining the Strain e from the Measured Voltage V Using a Strain Gauge and the 1 Gauge Method If we derive e from equation 5 ε 4 K V E 6 When Determining the Measured Value of the Strain...

Page 248: ...ting Common GND terminal Case 9 6 8 7 5 2 4 3 1 Shell Floating Common on off Shuntcal Sense Sense Sense Sense 701271 STRAIN_DSUB AD Module All module signals are isolated Bridge Power Shuntcal Shuntcal Case 1 The GND floating common of the module is connected to the case potential inside the bridge box 2 The bridgehead case the cable shield and the measuring instrument case are connected as measur...

Page 249: ...applying a load to the strain gauge and correct the zero point 3 Execute shunt calibration and correct the gain To execute shunt calibration in the CH menu select Linear Scale Mode and then Shunt Usually the negative gain is corrected However if you are correcting the positive gain change the position of the shunt resistor as shown in the above figure Strain input Strain Balance Before execution A...

Page 250: ...y circuit is on When you execute shunt calibration select an appropriate range so that the measured values will stay within the range when the shunt calibration relay circuit is on The DL850E DL850EV attempts to perform shunt calibration within the current range An error message will appear if shunt calibration fails because of out of range values or some other reason When this happens change the ...

Page 251: ...nce is turned on K Gauge factor R Bridge resistance ΔR Resistance change Rs Shunt resistance shunt resistance you want to derive If ΔR from 1 and 2 is cancelled out Rs R 1 K ε K ε Equation A General equation for calculating the shunt resistance includes error Detailed Equation E Bridge voltage V0 Bridge output voltage R1 to R4 Bridge resistance R1 R2 R3 R4 Rs Shunt resistance shunt resistance you ...

Page 252: ...880 34 650 10 000 5 940 17 325 5 880 17 150 When Determining the Strain ε from the Shunt Resistance Rs If we derive ε from equations 6 and 7 Detailed equation equation B ε 1 1 2 Rs R 8 General equation equation A ε 1 2 1 Rs R 9 Degree of error of 1 to 2 When the Bridge Resistance R is 120 Ω RS Value Ω Strain ε μSTR Derived from the Detailed Equation 8 Strain ε μSTR Derived from the General Equatio...

Page 253: ...2 T1 The frequency f is calculated as 1 period t When the period of the input pulse spans over multiple measurement intervals computation is performed in the measurement interval following the interval in which the edge is detected Input pulse Measurement interval 40 μs Time T1 Time T2 A B Period t Period t T2 T1 Frequency f 1 period t 40 μs C 40 μs 2 When the input signal is greater than or equal...

Page 254: ...e edges T1 T2 and T3 in measurement intervals A and B In measurement interval C For the pulse width The module calculates the pulse width as T2 T1 For the duty cycle The module calculates the duty cycle as T2 T1 T3 T1 Input pulse Measurement interval 40 μs Time T1 Time T2 Time T3 Pulse width T2 T1 Duty T2 T1 T3 T1 Pulse width 40 μs A B C 40 μs 2 When the input signal is greater than or equal to 25...

Page 255: ...The frequency module converts the count value that it obtains using the 32 bit counter at 50 ns resolution to floating point format and determines period A using the following equation Period A Float Count value 50 ns Computation Various computations are performed in floating point format based on the settings Example Frequency C float 1 A float Calculation of the 1 LSB Weight of the Output The 1 ...

Page 256: ... ms The characteristics of the smoothing filter are as follows The filter is a low pass filter The pass band is flat The filter has linear phase characteristics The group delay is constant for a given filter order The group delay can be derived through the following equation Group delay the number of averaged points 1 40 μs 2 The filter has comb shaped bandwidth characteristics The figure below sh...

Page 257: ...Setting V Range 5 V Probe 1 1 10 V Probe 10 1 Coupling DC Probe Yes1 Bandwidth Yes2 Threshold 1 5 V Hys Yes3 Slope Yes4 Chattering Suppression Yes5 Pull Up No Logic 12V Setup Item Setting V Range 20 V Coupling DC Probe Yes1 Bandwidth Yes2 Threshold 6 V Hys Yes3 Slope Yes4 Chattering Suppression Yes5 Pull Up No Logic 24V Setup Item Setting V Range 50 V Coupling DC Probe Yes1 Bandwidth Yes2 Threshol...

Page 258: ...on Yes5 Pull Up No AC100V Setup Item Setting V Range 200 V Coupling AC Probe 10 1 Bandwidth Yes2 Full cannot be selected Threshold 0 V Hys Yes3 Slope Rising Chattering Suppression Yes5 Pull Up No AC200V Setup Item Setting V Range 500 V Coupling AC Probe 10 1 Bandwidth Yes2 Full cannot be selected Threshold 0 V Hys Yes3 Slope Rising Chattering Suppression Yes5 Pull Up No EM Pickup Setup Item Settin...

Page 259: ...ear on the menu 1 Set the probe type to 1 1 or 10 1 2 Set the bandwidth limit to 100 Hz 1 kHz 10 kHz 100 kHz or Full You cannot select full for AC100V or AC200V 3 Set the hysteresis to 1 2 5 or 5 4 Set the slope to rising or falling 5 Set the chattering elimination value to a value from 0 ms to 1000 ms 6 Enable or disable the pull up This setting is available only for Pull up 5V 7 Voltage ranges W...

Page 260: ...fer Protocol SMTP client 80 World Wide Web HTT Web server and WebDAV server 515 LPR client 111 Instrument control through the Ethernet interface UDP Port Numbers Port Number Description Used For 67 Bootstrap Protocol Server DHCP client 68 Bootstrap Protocol Client listen port 123 Network Time Protocol SNTP client The port number when FTP passive mode is disabled When FTP passive mode is enabled yo...

Page 261: ...on for Viewing Data in WDF Files WDF File Structure A WDF file is made up of a common header block and blocks of data organized by type which are referred to as chunks Chunks are analogous to boxes that data is placed in Multiple chunks are strung together to form a single WDF file A special chunk called FeND chunk that contains no data always appears at the end of a file except for waveform files...

Page 262: ... information are stored in XHDR chunks Analysis information of dual capture waveforms during dual capturing is stored in DHDR chunks An analysis information chunk starts with a 4 byte XHDR identifier and ends with a 4 byte 0xFFFFFFFF end mark The eight bytes immediately after the XHDR identifier contains the data size in bytes of the analysis information chunk The content of the data is text infor...

Page 263: ...e following conversion formula Y axis value VResolution binary data VOffset VDataType Data type of each trace details provided separately VUnit Y axis unit VPlusOverData VMinusOverData Reserved VIllegalData Indicates illegal data when an illegal calculation is performed such as dividing by 0 or hidden code for preventing the data from being displayed on the screen VMaxData VMinData Maximum and min...

Page 264: ...ored for each trace The history entries are arranged in order from the oldest to the most recent The number of stored history entries can be verified by BlockNumber in the waveform analysis information Trace 1 Trace 2 Trace 3 Trace 4 Trace 1 Trace 1 Trace 1 Trace 2 Trace 2 Trace 2 History n History 1 History 0 History n History 1 History 0 Data example saved using history all Data example saved fo...

Page 265: ...er of traces in the group 1 4 Block Number Number of history entries 5 Trace Name Trace name label Trace Number 1 to 4 Spaces are converted to underscores CH1 Block Size Number of data points 10010 V Resolution Y axis conversion coefficient VResolution raw data value VOffset 8 3333333E 04 VOffset Y axis offset 0 0000000E 00 VData Type Binary data type integer or real number signed or unsigned numb...

Page 266: ...ime 14 23 30 01234567 PublicInfo Label indicating the beginning of model specific information 0 Display PointNo How many points into the waveform data where measurement start point begins TraceTotal Number For WVF compatibility 1 Model Version Firmware version number 1 3 01 Start Offset1 Number of phase difference points per trace history number at the end TraceTotal Number Output as many times as...

Page 267: ...5 8 chattering 2 37 checksum LIN 2 47 clear trace 21 3 click sound 21 9 coherence function App 9 combine display 7 2 comment 19 3 communication interfaces types of 21 3 computation 11 1 constants 11 6 copy 2 52 cosine 2 65 cosine phase signal 2 69 cross spectrum App 9 current to voltage conversion ratio 2 7 cursor measurement 9 1 cursor read mode 21 9 cursor types FFT waveforms 9 9 cursor types T ...

Page 268: ...s 2 37 I Page IIR filter 2 70 IIR filter digital filter 2 54 input coupling 2 6 input coupling 16 CH TEMP VOLT module 2 23 input coupling 16 CH VOLT module 2 17 instant start 4 1 integration App 5 integration G3 option 2 60 intensity 21 9 internal clock 3 1 interpolation method T Y waveforms 6 4 interpolation method X Y window 7 2 inverted waveform display 2 13 IRIG 21 5 J Page judgment conditions...

Page 269: ...mode 11 4 screen captures printing 18 1 screen captures saving 18 3 search 15 1 self test 21 10 sensitivity 2 30 sensor setting 2 25 settings initializing 21 1 setup data loading 19 7 setup data saving 19 6 setup data storing and recalling 21 2 shunt calibration 2 27 App 14 simple trigger 4 3 sine 2 65 sine phase signal 2 69 smoothing 2 34 snapshot 21 2 SNTP 20 7 spectrum type 12 4 square root 2 6...

Page 270: ...ng 19 2 waveform display 2 2 waveform display 16 CH TEMP VOLT module 2 22 waveform display 16 CH VOLT module 2 17 waveform display data point removal T Y waveforms 6 5 waveform display data point removal X Y waveforms 7 2 waveform parameters GO NO GO 13 4 waveform parameter search 16 5 waveforms searching 15 1 waveforms zooming 8 1 waveform zone GO NO GO 13 1 Wave Window trigger 4 15 web server 20...

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