Oscilloscope Application Software

When WDF files are opened in Xviewer, Xviewer creates a temporary hidden file and will remember all setting changes made to the WDF file. Therefore any changes made to the WDF file prior to exiting out of Xviewer will ...

Xviewer buttons may appear to be missing or cut off if the Windows Display setting is changed from the default setting. The default setting is "Small-100%(default)".To correct this problem, please change the text size ...

For any users with the MATLAB tool kit version 1.19 or earlier installed, wanting to update the software to the latest version, a license key will be required to update the software. However, the CD for MATLAB tool kit ...

 The default save location for Xviewer software settings file is:  WindowsXPC:\Program Files\YOKOGAWA\Xviewer\SettingDataWindows7C:\Users\xxxxxxx\AppData\Roaming\Yokogawa\Xviewer\SettingData   xxxxxxx is your user name ​

• Algorithim for the Xviewer's  PP Compression? (oscilloscope app 701992)
• PP Compression = peak-peak compression

Load File Failed when using DL850 ScopeCorder with eSATA external HDD   This can occur when power is lost during recording, HDD was disconnected, etc.   Solution: It is possible to recover that file using the Xviewer File ...

Xviewer 1.64 Cannot open .WDF file with PP Compression     Solution: Please update to latest version of Xviewer, version 1.71 or later.

Unable to connect to DL850 ScopeCorder via GPIB after a WDF file is loaded into acquisition memory.   This is a confirmed issue and exists only when using GPIB. (Ethernet and USB do not exhibit this behaviour.)   Solution: ...

• DL850 ScopeCorder
• How to view .WDF file
• Yokogawa Xviewer 1.64  
• Update to the latest version (now at version 1.72).

Xviewer 1.70 Math Issue Normally, for the math expression 'Mn' (when n

Xviewer 1.70 Parameter Issue   When the history data is too large and when we want to save all parameter data, the calculation is mis-behaved or has longer than normal saving-time; saving may not terminate normally.

After the 30-day Xviewer trial version expires, the following features continue to be available: View a .WVF or .WDF file Vertical cursor measurements Export via 'Save As..." to .CSV format Before installing a ...

To open the CSV ASCII file saved by your ScopeCorder: Start Xviewer Open a New Viewer Window Drag and drop your CSV file into the empty viewer window Additional Note:ScopeCorder refers to the DL750/DL750P, ...

• The DLM2000 will prohibit any attempts to save a waveform in CSV format if the file is larger than 1.25 Mpts
• There are two methods to work around this issue

The Yokogawa .SNP file is a proprietary Yokogawa file format for saving waveform snapshots. This file has no relation to the Microsoft Snapshot Viewer program. The .SNP file can only be viewed on the oscilloscope.

Please see the attached document for complete instructions on how to get connected to the DLM2000 Mixed Signal Oscilloscope using Xviewer.

The free software DL-GATE can be used for the following products only:DL1700E seriesDL7400 series (firmware version after 1.32)DL1600 series (firmware version after 1.13)DL750 series (firmware version after ...

When you display the cursor readout values or the measured values on Xviewer waveform viewer software, it is possible to copy those values to the clipboard by [Ctrl]+[C]. Then you can paste it to any other application program such as Excel.

Yes, VXI-11 is required and needs to be enabled for the DLM2000 Mixed Signal Oscilloscope to connect properly to Xviewer when using an ethernet connection. If the VXI-11 option is unchecked, a connection failed message will appear.   Related ...

• Waveform data saved by Xviewer in the *.WVF, *.CSV, or *.FLD format cannot be loaded onto DL series scopecorders

Xviewer may only be used to view and analyze data saved by the SL1000, it cannot be used to remotely control the SL1000. You can also transfer files between the SL1000 and a PC. For the SL1000, Xviewer can support ...

To select a target waveform from a list of history waveforms (acquired through N-Single Trigger mode), please complete the following procedures: Activate the FFT Viewer Click on Window Select History Windows Select a ...

Port #10,001 needs to be opened via your firewall in order to connect WirePuller with the DL750 ScopeCorder. A through-firewall connection may also be required for port-forwarding.

The following softwares have been tested for Windows 7 compatibility. WTViewer Xviewer SL1000 Acquisition Software USB Instrument Drivers for all USB supported instruments TMCTL Library Files for programming with VB, ...

• Xviewer can open multiple files from different DL, SL, and WE series instruments into a single window display 
• Same sample rate, trigger position, record length

You can express any arbitrary exponentiation, in Xviewer or DL series instruments, by using the LOG (common logarithm) and EXP (exponential) functions. For example, for C1 raised to the exponent of 0.2, the math ...

The Header Size entry, for a ASCII format data file, denotes the number of header lines in the header part of the ASCII File.

Xviewer waveform viewer software can calculate various power analysis measurements such as power factor, real power, reactive power, and apparent power. Two sample waveforms are available in the attached zip file, and should be used ...

No, only a single DL Series Digital Oscilloscope can be controlled by the Matlab toolkit "mexDLControl" function at a time. Since the "ComStart" function can only be connected to one instrument you cannot ...

Decimation is a technique used to reduce the total number of samples. You can use Xviewer to perform decimation on your waveform data files that have the WDF/WVF/ASCII CSV extension format. Decimation reduces the ...

For the DLM2000 Mixed Signal Oscilloscope with user-defined math (G2 Option), you can calculate the ratio of two voltages in decibels. The formula for calculating the ratio of two voltages in dB is:                   dB = ...

Please make sure you have the latest version of Xviewer installed.

Unfortunately it is not possible to convert a .WVF file to a .WDF file. A .WVF file saved by a DL750 can only be loaded in Xviewer or a DL750.   Xviewer is capable of loading both .WVF and .WDF file formats.

No, MATLAB cannot use the WDF File Access API to read *.WDF files.There is a special function in the WDF File Access API called WdfGetSacleWave64, which is used to read the data from the *.WDF file. This command uses ...

No, it is not possible to use the WDF File Access API in LabView to read *.WDF files. Although LabVIEW can use and access DLLs, there is a special function in the WDF File Access API called WdfGetSacleWave64, which ...

If you discover that your waveform data/trace or some channels have disappeared from the ScopeCorder DL850/DL850V or Xviewer when you re-load the WDF data file, this is normal behaviour due to an incomplete acquisition.   For ...

Xviewer will save the logic information of decimal data into one cell when saving data in *.CSV file format. To calculate the bit by bit information from the decimal data, use a binary calculator to conver the decimal ...

• Xviewer .FLD Floating Data Format Information  
• Xviewer saves waveform data as a .FLD Data
• Example of how to gain access via VBA to that waveform data

• C/C++ and Visual Basic Sample programs for controlling the DL850/DL850V 
• Latest visual basics /C++ sample programs from the Software Downloads available on y-Link
• Visual basics for portable data acquisition

Unfortunately, it does not work for the files created on a DL750 ScopeCorder. It is a dedicated feature available only for the DL850/DL850V ScopeCorder.

There are two methods to programmatically determine if the calculations for waveform parameters is completed on the DL series oscilloscopes. Send the :MEAS:WAIT? command. This will ensure that no other commands are ...

We do not have an instruction manual describing the *.WDF file format structure like we did for the *.WVF files.

We provide a list of support options with more details. 

Unfortunately Xviewer is not a client-server type software and it is not recommended to run Xviewer on a Windows Server based OS. Xviewer needs to be installed on a client PC to operate without issue. We cannot ...

Xviewer 1.35 will not recall MATH Channels:    Problem: After opening a WVF file and performing MATH functions in Xviewer Math version 1.35 - adjusting display settings, scale settings, etc - and then saving the ...

How does the DL750 ScopeCorder save Logic data for MATLAB?   Unfortunately, the format of .wvf files (from a DL750) is not open to the end-user. Also, the MATLAB tool kit for DL series (701991) and WVF file access API (707712) ...

What is Blocknumber and Blocksize in a DL750 ScopeCorder ASCII Header?   (example attached)   The “BlockNumber” relates to the number of records (acquisitions) you saved to the binary file.   EXAMPLE: if you saved 2 ...

Can Xviewer.exe be run as multiple instance?   No - not at this time. Xviewer can not control two or more DL850 chassis. Xviewer can not connect to two or more instruments at the same time. Two or more Xviewer ...

If the "remote procedure call failed" error appears, when attempting to open a DL850V Scopecorder binary WDF file in Xviewer, it can be resolved by updating and installing the latest version of Xviewer. You can download the latest ...

The DL850 FLD file extension contains the acquired waveform data in IEEE 32-bit floating point format. You can analyze the floating point format using the low-level file I/O commands in MATLAB. FLD file format contains ...

Please see the attached PPT for a tutorial of the JS01 Xviewer Advanced File Utility. With the JS01 option, you can perform: channel merge of multiple WDF files time merge of multiple WDF files convert file format ...

Even though the display record length is shorter than the specified record length, measurement is made over the full record length. There is no function that allows you to move the display position to view the other ...

The NO-GO output is controlled by software. Thus, there may be fluctuations in the processing time depending on the sensing conditions. Since the signal remains low until the next determination can be accepted, this ...

The DL1600 digital oscilloscope will not save timestamp data into a column like some of the newer scopes (DL850 and DLM2000). There are two methods for adding timestamp data to the DL1600 listed below: WARNING: Please use caution when ...

If you wish to view the timestamp data in high resolution, you will need to open the *.CSV file with Notepad or Wordpad. If you use Microsoft Excel to open the file, Excel will round the timestamp data, preventing you ...

Using the DL850 ScopeCorder, the waveform data was directly saved as an ASCII file in the *.CSV and *.WDF file format (NOT an Xviewer conversion). The sample files that have been provided contain the same waveform data, which is a ...

On the DL850 Scopecorder, the list starts with #0000 and corresponds to the last triggered waveform captured. The next entry, #0001, corresponds to the first triggered waveform captured and proceeds to list the captured waveforms ...

To use the WT3000 with the Flicker Software, the WT3000 Precision Power Analyzer must have the following options: /G6 option - Advanced Calculations /FL option - Flicker Measurements 1 to 3 elements - 30A Input Module Note: The 2A input ...

It is possible to monitor the START/STOP status of the DL716 Digital Oscilloscope using communication commands. To do this, you will have to send the ":STATus:CONDition?" (without quotations) command to the instrument, in order to query ...

This training module covers the following topics:

• Introduction & Installation 
• Basics of Xviewer
• Advanced features
• Video Demonstrations