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test-and-measurement:guides:waveforms-data-logger [2021/05/14 23:05] – ↷ Page moved from reference:test-and-measurement:guides:waveforms-data-logger to test-and-measurement:guides:waveforms-data-logger Arthur Browntest-and-measurement:guides:waveforms-data-logger [2024/02/29 04:27] (current) – moved AD3 updates over to live reference page Fausto Soares
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 ~~TechArticle~~ ~~TechArticle~~
  
-{{reference:test-and-measurement:analog-discovery-studio:hardware-reference-manual:logger.png?nolink&800}}+{{reference:test-and-measurement:guides:logger.png?nolink&800}}
  
 ===== Introduction ===== ===== Introduction =====
-Data Loggers can be used to log data over long periods of time, in this case, analog voltage data. This guide explains the use of WaveForms' //Data Logger// instrument. The //Data Logger// instrument is also referred to as the //Logger// in WaveForms.+[[https://digilent.com/shop/test-and-measurement-equipment/daq-data-logging/|Data Loggers]] can be used to log data over long periods of time, in this case, analog voltage data. This guide explains the use of WaveForms' //Data Logger// instrument. The //Data Logger// instrument is also referred to as the //Logger// in WaveForms.
 ---- ----
 ===== Prerequisites ===== ===== Prerequisites =====
   * A Digilent Test & Measurement Device with Analog Input and Output Channels:   * A Digilent Test & Measurement Device with Analog Input and Output Channels:
-    * [[reference:test-and-measurement:analog-discovery-pro-3x50:start|Analog Discovery Pro (ADP3450/ADP3250)]] +    * [[test-and-measurement:analog-discovery-3:start|Analog Discovery 3]] 
-    * [[reference:test-and-measurement:analog-discovery-studio:start|Analog Discovery Studio]] +    * [[test-and-measurement:analog-discovery-pro-5250:start|Analog Discovery Pro (ADP5250)]] 
-    * [[reference:test-and-measurement:analog-discovery-2:start|Analog Discovery 2]] +    * [[test-and-measurement:analog-discovery-pro-3x50:start|Analog Discovery Pro (ADP3450/ADP3250)]] 
-    * [[reference:test-and-measurement:analog-discovery:start|Analog Discovery (Legacy)]]+    * [[test-and-measurement:analog-discovery-pro-2230:start|Analog Discovery Pro (ADP2230)]] 
 +    * [[test-and-measurement:analog-discovery-studio:start|Analog Discovery Studio]] 
 +    * [[test-and-measurement:analog-discovery-2:start|Analog Discovery 2]] 
 +    * [[test-and-measurement:analog-discovery:start|Analog Discovery (Legacy)]]
   * A Computer with WaveForms Software Installed   * A Computer with WaveForms Software Installed
  
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 Plug in the Test & Measurement Device, then start WaveForms and make sure the device is connected. Plug in the Test & Measurement Device, then start WaveForms and make sure the device is connected.
  
-If no device is connected to the host computer when WaveForms launches, the **Device Manager** will be launched. Make sure that the device is plugged in and turned on, at which point it will appear in the Device Manager's device list (1). Click on the device in the list to select it, then click the Select button (2) to close the Device Manager.+If no device is connected to the host computer when WaveForms launches, the **Device Manager** will be launched. Make sure that the device is plugged in and turned on, at which point it will appear in the Device Manager's device list (1). Click on the device in the list to select it, then click the **Select** button (2) to close the Device Manager.
  
 **Note:** //"DEMO" devices are also listed, which allow the user to use WaveForms and create projects without a physical device.// **Note:** //"DEMO" devices are also listed, which allow the user to use WaveForms and create projects without a physical device.//
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 Once the Welcome page loads, in the instrument panel at the left side of the window, click on the **Logger** button to open the //Data Logger// instrument. Once the Welcome page loads, in the instrument panel at the left side of the window, click on the **Logger** button to open the //Data Logger// instrument.
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-{{ :learn:instrumentation:tutorials:waveforms-instrument-panel:waveforms-instrument-panel-logger.png?direct&600 |}}+{{ reference:test-and-measurement:guides:waveforms-panel-logger.png?600 |}}
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 For devices that use differential input channels, such as the Analog Discovery Studio with MTE cables, make sure to connect the Oscilloscope Channel 1 negative pin to the ground pin associated with Wavegen Channel 1. For devices that use differential input channels, such as the Analog Discovery Studio with MTE cables, make sure to connect the Oscilloscope Channel 1 negative pin to the ground pin associated with Wavegen Channel 1.
  
-**Note:** //The analog input channels can be used with BNC Cables. For more information, see the [[reference:test-and-measurement:guides:waveforms-oscilloscope]] guide.//+**Note:** //The analog input channels can be used with BNC Cables. For more information, see the [[test-and-measurement:guides:waveforms-oscilloscope]] guide.//
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 In WaveForms' Welcome tab, open the Wavegen instrument, then click the Run button ({{:learn:instrumentation:tutorials:waveforms-buttons:waveforms-run.png?nolink}}) in the control bar near the top of the window to begin outputting a signal. With default settings, a 1V amplitude (2V peak-to-peak) 1kHz sine wave is applied to the Wavegen Channel 1 output pin. In WaveForms' Welcome tab, open the Wavegen instrument, then click the Run button ({{:learn:instrumentation:tutorials:waveforms-buttons:waveforms-run.png?nolink}}) in the control bar near the top of the window to begin outputting a signal. With default settings, a 1V amplitude (2V peak-to-peak) 1kHz sine wave is applied to the Wavegen Channel 1 output pin.
  
-For more detail on how to use the //Wavegen// instrument, please see the [[reference:test-and-measurement:guides:waveforms-waveform-generator|Using the Waveform Generator]] guide.+For more detail on how to use the //Wavegen// instrument, please see the [[test-and-measurement:guides:waveforms-waveform-generator|Using the Waveform Generator]] guide.
  
 Return to the //Data Logger// instrument by clicking on its tab in the bar at the top of the screen. Return to the //Data Logger// instrument by clicking on its tab in the bar at the top of the screen.
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-{{ reference:test-and-measurement:guides:waveforms-waveform-generator-open-wavegen.png?600 |}}+{{:test-and-measurement:analog-discovery-3:waveforms-open-wavegen.png?600 |}}
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 ===2.3 Run the Data Logger=== ===2.3 Run the Data Logger===
-Click the Run button in the control bar near the top of the window to begin capturing data on the Oscilloscope Channels. Captured data will appear in the plot pane as a set of colored lines. Each colored line corresponds to one of the default measurements listed on the left side of the window. For example: the yellow line is the measurement named C1 DC, meaning the DC voltage of the Channel 1 input. Since the signal going into Channel 1 is AC and centered about 0 volts, the data this measurement is collecting should be theoretically zero but will appear as a voltage in the low mV range next to the measurement name. +Click the Run button in the control bar near the top of the window to begin capturing data on the Oscilloscope Channels. Captured data will appear in the plot pane as a set of colored lines. Each colored line corresponds to one of the default measurements listed on the left side of the window. For example: the orange line is the measurement named C1 DC, meaning the DC voltage of the Channel 1 input. Since the signal going into Channel 1 is AC and centered about 0 volts, the data this measurement is collecting should be theoretically zero but will appear as a voltage in the low mV range next to the measurement name. 
  
 A variety of different measurements can be seen for each of the device's channels, listed on the left side of the window. Additional channels and custom measurements can be added using the green plus button. A variety of different measurements can be seen for each of the device's channels, listed on the left side of the window. Additional channels and custom measurements can be added using the green plus button.
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-{{ :learn:instrumentation:tutorials:data_logger_run.png?direct&600 |}}+{{ :reference:test-and-measurement:guides:data-logger-run.png?600 |}}
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 ===2.4 Plot Plane Axes=== ===2.4 Plot Plane Axes===
-By default, measurement 1 (named C1 DC) is selected and therefore the vertical axis will automatically display an appropriate range for viewing that particular logged signal data in the same color associated with that data (yellow for C1 DC). +By default, measurement 1 (named C1 DC) is selected and therefore the vertical axis will automatically display an appropriate range for viewing that particular logged signal data in the same color associated with that data (orange for C1 DC). 
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-Selecting a different measurement in the list to the left of the plot plane (for example, measurement 2) will adjust the vertical axis such that the selected measurement will be displayed along with all the other desired measurements with an appropriate range for viewing the logged signal data magnitude and change its color to reflect the currently selected data (light blue for measurement 2). +Selecting a different measurement in the list to the left of the plot plane (for example, measurement 2) will adjust the vertical axis such that the selected measurement will be displayed along with all the other desired measurements with an appropriate range for viewing the logged signal data magnitude and change its color to reflect the currently selected data (dark blue for measurement 2). 
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-{{ :learn:instrumentation:tutorials:data_logger_c2_select.png?direct&600 |}}+{{ :reference:test-and-measurement:guides:data-logger-c2-select.png?600 |}}
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-{{ :learn:instrumentation:tutorials:data_logger_vert_axis_1.png?direct&200 |}} +{{ :reference:test-and-measurement:guides:data-logger-vert-axis.png?200 |}}
-{{ :learn:instrumentation:tutorials:data_logger_vert_axis_2.png?direct&200 |}} +
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 ==== Note: Using Multiple Instruments ==== ==== Note: Using Multiple Instruments ====
-The //Data Logger// instrument can be used with other WaveForms instruments. Using multiple instruments at the same time is helpful in a wide variety of situations. One example would be to use the //Waveform Generator// to stimulate a circuit under test, the //Power Supplies// to provide power to the circuit, and view the response with the //Data Logger//, all at the same time. More information on how instruments can be operated together can be found in the [[reference:test-and-measurement:guides:waveforms-cross-triggers]] guide.+The //Data Logger// instrument can be used with other WaveForms instruments. Using multiple instruments at the same time is helpful in a wide variety of situations. One example would be to use the //Waveform Generator// to stimulate a circuit under test, the //Power Supplies// to provide power to the circuit, and view the response with the //Data Logger//, all at the same time. More information on how instruments can be operated together can be found in the [[test-and-measurement:guides:waveforms-cross-triggers]] guide.
  
 It should be noted that the analog input channels cannot be shared by multiple instruments. When the Voltmeter is enabled, any other instruments using the analog input channels are disabled. Other instruments that use the analog input channels include the //Oscilloscope//, //Voltmeter//, //Spectrum Analyzer//, //Network Analyzer//, and //Impedance Analyzer//. It should be noted that the analog input channels cannot be shared by multiple instruments. When the Voltmeter is enabled, any other instruments using the analog input channels are disabled. Other instruments that use the analog input channels include the //Oscilloscope//, //Voltmeter//, //Spectrum Analyzer//, //Network Analyzer//, and //Impedance Analyzer//.
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 ===3.1 Control Buttons=== ===3.1 Control Buttons===
-As seen in Section 2, the control bar near the top of the window can be used to stop and start the capturing of data from the analog input pins. In addition to the Run/Stop button, the Single button can be used to start data acquisition and run for the time specified under the History drop-down menu. In the //Data Logger// window, these buttons both start the data acquisition but a second click on the Single button will simply restart the acquisition whereas the Run button will now display Stop and a second click will stop the data acquisition. These options can also be accessed in the **Control** drop-down menu located above the control bar. +As seen in Section 2, the control bar near the top of the window can be used to stop and start the capturing of data from the analog input pins. In addition to the Run/Stop button, the **Single** button can be used to start data acquisition and run for the time specified under the History drop-down menu. In the //Data Logger// window, these buttons both start the data acquisition but a second click on the **Single** button will simply restart the acquisition whereas the **Run** button will now display Stop and a second click will stop the data acquisition. These options can also be accessed in the **Control** drop-down menu located above the control bar. 
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-{{ :learn:instrumentation:tutorials:analog-discovery-studio-data-logger:logger-control-buttons.png?nolink&400 |}}+{{ :reference:test-and-measurement:guides:data-logger-control-buttons.png?400 |}}
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 ===3.2 Data Export=== ===3.2 Data Export===
-To export data from the //Data Logger// tool, click the Export ({{learn:instrumentation:tutorials:symbol_export.png?nolink}}) icon located to the right of the **History** drop-down menu located on the control bar. This will open a new window with two tabs titled "Data" and "Image".+To export data from the //Data Logger// tool, click the Export ({{learn:instrumentation:tutorials:symbol_export.png?nolink}}) icon located to the right of the **History** drop-down menu located on the control bar. This will open a new window with two tabs titled **Data** and **Image**.
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-The Data tab allows for export of a .csv file containing all of the current data points in the plot plane with comments, headers, and labels as default or an image of the current plot plane. Remove comments, headers, and/or labels by unchecking the corresponding box located in the upper left section of this window.+The **Data** tab allows for export of a .csv file containing all of the current data points in the plot plane with comments, headers, and labels as default or an image of the current plot plane. Remove comments, headers, and/or labels by unchecking the corresponding box located in the upper left section of this window.
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-{{ :learn:instrumentation:tutorials:analog-discovery-studio-data-logger:logger-export-1.png?nolink&600 |}}+{{ :reference:test-and-measurement:guides:data-logger-export-1.png?600 |}}
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-The Image tab allows for saving of an image of the //Data Logger// tool interface including the plot plane, measurements list, and the control bar with the option of displaying the device, serial number, and time that the image was taken. To change the background color of the plot for printing, see Plot Utilities in section 3.8. +The **Image** tab allows for saving of an image of the //Data Logger// tool interface including the plot plane, measurements list, and the control bar with the option of displaying the device, serial number, and time that the image was taken. To change the background color of the plot for printing, see Plot Utilities in section 3.8. 
  
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 ===3.3 Measurement Maximum/Minimum Display=== ===3.3 Measurement Maximum/Minimum Display===
-To the left of the Single acquisition button described in section 3.1 is a drop-down menu that says "Show". Click on this to select whether or not to add columns to display the minimum, maximum, and/or average measurements. +To the left of the Single acquisition button described in section 3.1 is a drop-down menu that says **Show**. Click on this to select whether or not to add columns to display the minimum, maximum, and/or average measurements. 
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 The Measurements Pane, on the left side of the screen, displays a table containing measurements of each of the signals captured on the analog input channels. Each measurement corresponds to a line in the plot pane. The Measurements Pane is used to view a summary of measurements currently being tracked, as well as to define what measurements are to be tracked as data is logged. The Measurements Pane, on the left side of the screen, displays a table containing measurements of each of the signals captured on the analog input channels. Each measurement corresponds to a line in the plot pane. The Measurements Pane is used to view a summary of measurements currently being tracked, as well as to define what measurements are to be tracked as data is logged.
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 ===3.5 Sampling Utilities=== ===3.5 Sampling Utilities===
-To the right of the **Update** drop-down menu on the control bar is a Utilities Icon ({{learn:instrumentation:tutorials:waveforms-buttons:waveforms-gear.png?nolink}}). Click on this to show options for how each channel is sampled and displays values in the plot plane. The **Samples** drop-down menu value is the number of samples per measurement to be displayed in the plot plane from 10 to 86400 samples. Changing this value will also update the time axis since the number of displayed samples is linked to the sampling rate of the //Data Logger//. Below the **Samples** drop-down menu are drop-down menus for each channel to configure the DC offset and range of the display for each channel.+To the right of the **Update** drop-down menu on the control bar is a Utilities Icon ({{learn:instrumentation:tutorials:waveforms-buttons:waveforms-gear.png?nolink}}). Click on this to show options for how each channel is sampled and displays values in the plot plane. The **Steps** drop-down menu value is the number of samples per measurement to be displayed in the plot plane. Changing this value will also update the time axis since the number of displayed samples is linked to the sampling rate of the //Data Logger//. Below the **Steps** drop-down menu are drop-down menus for each channel to configure the DC offset and range of the display for each channel.
  
 **Important:** //This menu also allows for the selection of different attenuation factors, which is highly relevant when using BNC cables.// **Important:** //This menu also allows for the selection of different attenuation factors, which is highly relevant when using BNC cables.//
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 ==== Next Steps ==== ==== Next Steps ====
  
-For more guides on how to use the Digilent Test & Measurement Device, return to the device's Resource Center, linked from the [[reference:test-and-measurement:start]] page of this wiki.+For more guides on how to use the Digilent Test & Measurement Device, return to the device's Resource Center, linked from the [[test-and-measurement:start]] page of this wiki.
  
-If voltage values seen in the //Data Logger// are significantly different from the expected voltage output of the //Supplies//, please calibrate the device by following the [[reference:test-and-measurement:guides:waveforms-calibration|Calibration Guide]].+If voltage values seen in the //Data Logger// are significantly different from the expected voltage output of the //Supplies//, please calibrate the device by following the [[test-and-measurement:guides:waveforms-calibration|Calibration Guide]].
  
-For more information on WaveForms visit the [[reference:software:waveforms:waveforms-3:reference-manual|WaveForms Reference Manual]]. +For more information on WaveForms visit the [[software:waveforms:waveforms-3:reference-manual|WaveForms Reference Manual]]. 
  
-For technical support, please visit the [[https://forum.digilentinc.com/forum/8-scopes-instruments/|Scopes and Instruments]] section of the Digilent Forums.+For technical support, please visit the [[https://forum.digilent.com/forum/8-test-and-measurement/|Test and Measurement]] section of the Digilent Forums.