Telonic TEST

Author: James

  • DMM RS-232 Communication

    DMM RS-232 Communication

    RIGOL DMMs require a Null Modem Cable connection.

    Each line should terminate in a carriage return followed by a line feed (“/r/n”)

    These settings should enable you to connect to the DMM in Serial mode.

  • How do I find the serial number and firmware revision of my DM3058 or DM3068?

    How do I find the serial number and firmware revision of my DM3058 or DM3068?

    Here are the steps for determining the serial number and firmware revision of your DM3000 series of DMM. 1. Press the Utility button
    2. Press the T/C softkey
    3. Press the Info softkey

    NOTE: You can use the Range Up and Down arrows to move through the various items in the display

  • How do I view the full version information for the DM3068?

    How do I view the full version information for the DM3068?

    Follow the steps below:
    1. Press ‘Utility’
    2. Select ‘T/C’
    3. Hold the fifth key for 3s to show the ex version
    4. Hold the same key for 3s to hide the ex version

  • DM3068 LabVIEW example code for maximum data rate

    DM3068 LabVIEW example code for maximum data rate

    The DM3068 is capable of a reading rate of 2000 readings/sec when controlled via USB, Ethernet, or serial bus. 

    This article provides the sequence of commands to enable DCV measurements at the fastest rate.

    The LabVIEW 2010 VI allows remote programming of the instrument for fast data collection. You can download the software file here.

    DM3068FastData.vi LabVIEW Demo Code



    We created DM3068FastData.VI to allow users  to remotely program Rigol DM3068 Digital Multimeters. It is built using LabVIEW 2010 and utilizes National Instruments VISA for communication over USB.
    The program allows users to select DC Volts or DC Current and acquire data as quickly as possible (2K readings/sec). 
    Steps:
    1. Connect power cord to instrument
    2. Connect USB cord to instrument and PC. The PC should recognize the DMM and notify you that a new Test and Measurement Device (IVI) has been connected.
    3. Connect the DMM to the circuit or device of interest. 

    4. Select the instrument of interest from the VISA Resource Name Drop down 


    5. Select the Measurement Function of interest



    6. Select the NPLC’s (Measurement integration rate) and number of measurements 



    7. If you would like to save the data, check the “Save Data?” checkbox. This will allow you to select the location of the saved Text File.


    8. Once the instrument is configured for the measurements, just press the LabVIEW Run arrow to run the program.


    9. Then press “RUN” to execute the commands. 



    10. As the instrument collects data, it will place the new readings in the Data indicator.


    11.After the instrument has performed all of the measurements selected, the program will finish. If you have selected the “Save Data?” option, select the location and enter a file name with either TXT or CSV as the extension to save. NOTE: If you cancel the data save, a LabVIEW error will appear.. press continue.


    File Format: The saved file is formatted with the date, time, and function header followed by comma separated readings. 


     Figure 1:  A test file saved as a *.TXT file. 
    If you open the file using a spreadsheet program such as Excel(c) or OpenOffice Calc, you can disable all of the delimited values:

  • DM3068 LabVIEW 2010 example of basic function measurements

    DM3068 LabVIEW 2010 example of basic function measurements

    We created DM3068Basic.VI to allow users  to remotely program Rigol DM3068 Digital Multimeters. It is built using LabVIEW 2010 and utilizes National Instruments VISA for communication over USB.
    The program allows users to select from a number of basic instrument functions, like DC Volts, AC Current, and resistance. It also allows the user to define a number of readings to return as well as a delay, or dwell, between measurements.
    In this way, a user could collect data over a specific time frame with data points collected on a defined interval.
    Steps:

    1. Connect power cord to instrument
    2. Connect USB cord to instrument and PC. The PC should recognize the DMM and notify you that a new Test and Measurement Device (IVI) has been connected.
    3. Connect the DMM to the circuit or device of interest.
    4. Select the instrument of interest from the VISA Resource Name Drop down 
    5. Select the Measurement Function of interest   
    6. Select the number of measurements and measurement delay
    7. If you would like to save the data, check the “Save Data?” checkbox. This will allow you to select the location of the saved Text File.
    8. If you would like to save the data, check the “Save Data?” checkbox. This will allow you to select the location of the saved Text File.
    9. Then press “RUN” to execute the commands. 
    10. .As the instrument collects data, it will place the new readings in the Data indicator.
    11. After the instrument has performed all of the measurements selected, the program will finish. If you have selected the “Save Data?” option, select the location and enter a file name with either TXT or CSV as the extension to save.

    File Format: The saved file is formatted with the date, time, and function header followed by comma separated readings


    If you open the file using a spreadsheet program such as Excel(c) or OpenOffice Calc, you can disable all of the delimited values:


  • UltraView Data Trend

    UltraView Data Trend

    Data Trend will not initialize with the default folder selected:

    C:\Program Files (x86)\RIGOL\Ultra Sigma\

    Changing the folder will fix this issue. For example changing the folder to “D:\Rigol” will allow Data Trend to initialize.

  • External USB Data Acquisition with the Rigol DM3068

    External USB Data Acquisition with the Rigol DM3068

    1.    Insert USB stick (FAT32 format) 
     
    2.    Change the trigger source to single. This mode allows you manual control of the start of the data acquisition as well as allowing you to control the number of samples acquired.  
     
    Press TRIG > SOURCE > SINGLE  
      
     
    3.    Press DONE and the SINGLE button will become enabled 
     
    4.    Press SET > SNO to set the number of samples.   
     
    NOTE: Use the right and left arrows to move the cursor to the decimal place you wish to change and then use the up and down arrows to increment or decrement the value. In this example, we set the number of samples to 1000. 
     
     
    5.    Press DONE to accept the changes. 
     
    6.    Press TRIG to back out of the trigger menu and get back to the measurement display.  
     
    NOTE: The display is no longer updating. The rotating indicator and digits are fixed. The meter is now waiting for manual input before it will begin updating.  

      
    7.    Clear the memory data by changing functions. In this example, we switch from DCV to ACV and back to DCV.  
     
    NOTE: The record number (in HISTORY) is set to 0 after the function change.   
     
     
    8.    Select the function that you wish to use during the data acquisition process. 
     
    9.    Press SINGLE to begin the data acquisition 
     
    10.    The instrument display will continue to update until the data buffer is filled with the number of samples that were set earlier.  
      
          
    11.    You can take a look at the statistics as well as the number of samples collected   by pressing HISTORY 
     
    12.    To Save the data, press SAVE > Set Disk to A:\ > Set TYPE to Meas_CSV 
     
      
    13.    Press SAVE to open the text entry field, name the file, and press DONE to  write the CSV data to the external USB drive.

  • Measuring Temperature with an RTD on a DM3068

    Measuring Temperature with an RTD on a DM3068

    These steps will allow you to use your Rigol DM3068 to take temperature measurements with and RTD (Resistance Temperature Detector). You will need to know the R0 of your RTD, which is the resistance at 0 degrees Celsius, and the Alpha value, which is the rate at which the resistance scales over temperature. 

    Note: The process for using a DM3058 is similar, but the menu items may have different names.

    1. Select Sensor > Temp > New > RTD > R0
    2. Input the R0 resistance for your temp probe 
    3. Press Alpha and choose the correct alpha value for your temp probe
    4. Press (back) > 2WR of 4WR depending on how many inputs your probe is using (2 or 4 wires)
    5. Press (back) > (back) > Unit and choose desired temp unit
    6. Press (back) > Done > Save
    7. Name the save state if you want 
    8. Press (back) > Done > Apply 
    NOTE: This last step is a little unintuitive, but very important. If you don’t back up after saving and press apply, nothing will happen. 

    Once You have create this sensor mode, the next time you want to switch into it you will just need to press Sensor > Load, then after making sure your desired setting file is highlighted, press Read.

  • How to create a list file with Excel

    How to create a list file with Excel

    The DSG800 series requires lists files to have the following format.  Note that it requires the correct units to be also added to cell as well as the space between the value and the units. Once you have created the file save it as a .CSV file.

    SN Freq Level Time Freq Offset Level Offset
    1 905 MHz -50.00 dBm
    100.000 000 ms
    0.00 Hz
    0.00 dB
    2 915 MHz -50.00 dBm
    100.000 000 ms
    0.00 Hz
    0.00 dB
    3 925 MHz -50.00 dBm
    100.000 000 ms
    0.00 Hz
    0.00 dB
    4 935 MHz -50.00 dBm
    100.000 000 ms
    0.00 Hz
    0.00 dB
    5 945 MHz -35.00 dBm
    100.000 000 ms
    0.00 Hz
    0.00 dB
    6 1.8 GHz -35.00 dBm
    100.000 000 ms
    0.00 Hz
    0.00 dB
    7 1.85 GHz -35.00 dBm
    100.000 000 ms
    0.00 Hz
    0.00 dB
    8 1.9 GHz -35.00 dBm
    100.000 000 ms
    0.00 Hz
    0.00 dB
    9 2.41 GHz -15.00 dBm
    100.000 000 ms
    0.00 Hz
    0.00 dB
    10 2.42 GHz -15.00 dBm
    100.000 000 ms
    0.00 Hz
    0.00 dB
    11 2.44 GHz -15.00 dBm
    100.000 000 ms
    0.00 Hz
    0.00 dB
  • How to load a List file onto the DSG800 Series

    How to load a List file onto the DSG800 Series

    To load a list file onto the DSG800 series you first have to create a file in excel and then save it as a .CSV file.  See the article “How to Create a List File” for more information about how to format the file.  With the file saved now load the file into a fold on your flashdrive, note that the file is unable to be read if it is in the root directory in the flashdrive.  Then insert the flashdrive into the back of the instrument. 

    Next press the Sweep button and then set the Sweep, this can either be frequency, level or frequency and level.  Then set the Type to be list and then set your Mode to either be continuous or single.  Next press the arrow down button on the instrument and press List Sweep and the Load. 

    At this point you are presented with the instrument file navigation menu, you will first need to select you flashdrive, it is on the E directory, with this high lighted in blue use the arrows below the rotary encoder to move into the folder, by pressing the right arrow.  Then select your folder, this will also need to be highlighted in blue before pressing the right arrow and then select your file.  Finally to load the file press Recall.  This will cause the instrument to load your file and then start sweeping the list file.

  • What size Terminal Ring will fit on the DL3000 series loads?

    What size Terminal Ring will fit on the DL3000 series loads?

    On occasion you may want to build up your own cabling to connect to the input terminals of the DL3000 series loads.  Item A in the figure below.

     








    Here are the compatible dimensions for choosing a terminal ring:

  • Choosing between DL3000 load models

    Choosing between DL3000 load models

    There are 4 models in the DL3000 load family: DL3021, DL3021A, DL3031, DL3031A
    There are differences in the power and current levels as well as the advanced capabilities. Use this table to identify the best configuration for your application.

    DL3021 DL3021A DL3031 DL3031A
    Total Power 200 W 200 W 350 W 350 W
    Max Current 40 A 40 A 60 A 60 A
    User Interface Monochrome Full Color Monochrome Full Color
    Max Current Slew Rate 2.5 A/μs Standard; 3 A/μs Optional 3 A/μs Standard 2.5 A/μs Standard; 5 A/μs Optional 5 A/μs Standard
    Max continuous mode Frequency 15 kHz Standard;
    30 kHz Optional    		 30 kHz Standard 15 kHz Standard;
    30 kHz Optional    		 30 kHz Standard
    Readback Current Resolution 1 mA Standard;
    0.1 mA Optional    		 0.1 mA Standard 1 mA Standard;
    0.1 mA Optional    		 0.1 mA Standard
    Digital I/O triggering Optional Standard Optional Standard
    Ethernet Comm. Optional Standard Optional Standard


    Here is an example of the monochrome vs full colour user interface. The DL3000A models have the full colour interface. The DL3000 (non-A) models use monochrome and can NOT be upgraded to full colour.


    The options are available to add to the DL3000 (non-A) models. These are software licenses that can be field upgraded at a later date as your application needs change. This future proofs your investment in RIGOL with a product that can grow with your test requirements. The option model numbers are:

    Optional Capability Model Number
    Max Current Slew Rate SLEWRATE-DL3
    Max continuous mode Frequency FREQ-DL3
    Readback Current Resolution HIRES -DL3
    Digital I/O triggering DIGITALIO-DL3
    Ethernet Comm. LAN-DL3