Jump to content

Fausto

MCC Staff
 View Profile  See their activity

  • Posts

    1,430

  • Joined

  • Last visited

 Content Type 

Everything posted by Fausto

  1. Fausto
    Hello @Francky. Thank you for the reply and image. When you test the thermocouples with the multimeter, do you disconnect the thermocouple at the MCC 134 screw terminal or the mini thermocouple connectors? If you disconnect the thermocouple at the connector, then the wire section from the opposite mini connector to the MCC 134 screw terminal is an unknown. Please relocate the MCC 134 to be on top (2nd board), connect K-type thermocouples directly to the MCC 134 screw terminal, and then retest. Regards, Fausto
  2. Fausto
    Hello @Francky. The MCC DAQ HATS are calibrated at the factory. The coefficients are as they leave the factory. Did you read the MCC 134 calibration coefficients from the factory? Did you modify the calibration coefficients? Are the thermocouple tips in contact with a metallic surface? If they are, then use an epoxy or thin film on the ends. Are all four K-type thermocouples together or in different locations? Please describe the testing application, materials, and environment. (Images are always helpful.) Are you using an active cooler on the RPi5? What are the temperature values from the MCC DAQ HAT Manager utility application? Do you see a difference if you test your code with a one second time interval? Are there any pumps or motors near the RPi and/or thermocouples? Regards, Fausto
  3. Fausto
    Hello @BricanUK. You can use DAQami to display the captured data from the MCC USB-1608GX module. DAQami has a scaling option (multiplier and offset) but cannot perform complicated math functions nor does DAQami support any third party application integration. Data processing is done post acquisition, not live, using the .CSV or .TDMS data files. DAQami Help DAQami videos: Alternative options would be DASYLab, LabVIEW or custom MCC Universal Library programming. Regards, Fausto
  4. Fausto
    Hello. Use a voltage follower op amp configuration to change your high impedance signal to low impedance.
  5. Fausto
    Hello @David Calatayud. Firmware updates for MCC devices are done on a Windows system with MCC's InstaCal utility software. Please connect your USB-1208HS-4AO module to a Windows system and launch InstaCal. Once in InstaCal, the device should appear in the list. Double-click on the device to open the Configuration window which shows the firmware version and serial number. Please reply with a screen capture of that window. After updating the firmware, connect the USB-1208HS-4AO module to your Linux system and retest the example. MCC supported devices with UL for Linux Regards, Fausto
  6. Fausto
    Hello @MCOATS1. Instead of searching for capacitor,... Click on the resistor icon in the component toolbar to view the Capacitor component. Does that help? Regards, Fausto
  7. Fausto
    MCC UL Help
  8. Fausto
    Hello @jesusvaquerizo. If you intend to use the analog output channel, then you will need to install a previous version of the DT-Open Layers (v7.8.2) library and drivers. Please reference the following post for instructions. After installing the Data Acquisition Support Package for Data Translation Hardware via MATLAB's Add-On Manager, you will find examples saved to the host system in the directory: C:\Users\{username}\AppData\Roaming\MathWorks\MATLAB Add-Ons\Toolboxes\Data Acquisition Toolbox Support Package for Data Translation Hardware\examples The dt_background_Streaming_AI_AO.m is a general example using the analog input and analog output channels. Data Translation Daq Adaptor for MATLAB user manual Regards, Fausto
  9. Fausto
    Hello @clement-AA. DAQami saves all data points captured to a .TDMS file. Please reference the DAQami Help and click on the Search button to find tdms. https://files.digilent.com/manuals/DAQami_WebHelp/DAQami-start.htm Regards, Fausto
  10. Fausto
    Hello @QiwenSheng. Thank you for your responses and confirming the USB-1608GX-2AO device is working. If the Thorlabs photodetector is connected to CH1, what's connected to CH0? Please elaborate what you are doing when you "switch to the photodetector". Is there a physical inline switch? Are you acquiring data from two different sources to CH0 and CH1? The photodetector's manual indicates a high impedance output signal from the photodector. MCC daq devices were designed to work with low impedance signal sources, 100 Ohm or less. Use an op amp configuration to convert your high impedance signal to low impedance. If you confirmed that the output signal has a low impedance, then have you tried connecting the output signals to the USB-1608GX-2AO analog input channels in differential mode, as shown in Figure 6 of the user manual? Recommend adding the reference resistor between the low channel (CH#L) and the ground (AGND) terminals. Regards, Fausto
  11. Fausto
    Yes, please.
  12. Fausto
    Hello @Seweee. Which OS and MCC software releases are you using? Regards, Fausto
  13. Fausto
    Hello @QiwenSheng. Thanks for your response. From your original post, which channel is the blue data line and which is the red data line? The blue data line appears to be correct. Would you agree? How was the 'Original data' created? Did you use this USB-1608GX-2AO device or a different device? Please provide a schematic of your wire connections, include your signal source(s). Also, please provide screen captures of each channel setting in DAQami. Lastly, disconnect your existing wires and connect the +5V terminal to the CH0 and CH1 terminals. Launch DAQami and set these channels to single-ended and a sampling rate of 20 kHz. Is the data shown for both channels at the +5V level or not? If not, please reply with a screen capture. Regards, Fausto
  14. Fausto
    Hello @Osiris. Which Raspberry Pi OS are you using? Try the beta version by performing the following commands: 1. $ cd daqhats 2. $ sudo ./uninstall.sh 3. $ git pull 4. $ git checkout pi5 5. $ sudo ./install.sh 6. $ pip install daqhats You can switch back to the released library by uninstalling the library, running “git checkout master”, and then installing the library. Regards, Fausto
  15. Fausto
    Hello @jesusvaquerizo. Please provide additional information about your application. How do you intend to use the DT9847? What features of the DT9847 (i.e. analog input, analog output, digital I/O) will you use? What types of signals will be connected to the DT9847? Is MATLAB your preferred choice of a development application or are you open to other software applications? The DT9847 is supported in MATLAB via MATLAB's Data Acquisition Toolbox and the Data Acquisition Support Package for Data Translation Hardware. Regards, Fausto
  16. Fausto
    Hello @Pietro89. Please provide a datasheet of your linear encoder. Also, which software application are you using? Please provide your code if using a custom program. Regards, Fausto
  17. Fausto
    Hello @TFisherIRA. After installing the MCC DAQ software, reference the legacy Visual Basic 6.0 examples in the C:\Users\Public\Documents\Measurement Computing\DAQ\VBWIN directory. Additional VB6 examples: https://files.digilent.com/#downloads/example_programs/Universal_Library_Apps_and_App_Notes/VB6/ Regards, Fausto
  18. Fausto
    Hello @vick. The sampling rate of the MCC 134 is 1 S/sec per channel. The result stems from the components and design. There are no plans to change the design to increase the sampling rate. For sampling rates up to 60 Hz, consider the MCC USB-2408 for supported MCC hardware with Linux and MCC hardware with Windows. (The MCC USB-2408 can sample at a faster rate. However, since thermocouples are susceptible to pick up noise from the surrounding environment, a data rate based on the primary noise frequency is recommended. For example, to reduce the effect of 60 Hz noise, select a data rate of 60 (or a supported submultiple of 60, such as 10 or 5).) Regards, Fausto
  19. Fausto
    Hello @jesusvaquerizo. Data Translation/MCC/Digilent devices are not supported in MATLAB's Analog Input Recorder toolbox app. Regards, Fausto
  20. Fausto
    Hello @arang. The maximum sample output rate is 1 S/s per channel and it is the inverse of the update interval. MCC 134 electrical specs: https://mccdaq.github.io/daqhats/_static/esmcc134.pdf Regards, Fausto
  21. Fausto
    Hello @Labrat. Which version of DASYLab and Windows OS are you using? If someone with admin rights installed DASYLab on the target system and now your Windows user account no longer has those privileges, then you will need someone with admin rights. Try installing DASYLab on a different system using your non-admin user account. Do you still have an issue using the Configurator? If not, check with your IT to determine if DASYLab can be reinstalled on the initial system using a non-admin user account. Regards, Fausto
  22. Fausto
    Hello @Micka1792. There is no other method to search for the MCC daq via Ethernet. Suggest testing the daq on a separate network with fewer devices to determine if your network adds to the delay. Regards, Fausto
  23. Fausto
    Hello @Micka1792. UDP or TCP protocols are not directly supported. Access to the E-1608 is only via InstaCal/Universal Library on Windows or via libuldaq and uldaq libraries on Linux. This applies to other MCC's Ethernet devices such as the E-DIO24 and E-TC. Regards, Fausto remote_discovery_v2.py
  24. Fausto
    Hello @jesusvaquerizo. In MATLAB, the 'Data Acquisition Toolbox Support Package for Data Translation Hardware' (a.k.a DT daq adapter for MATLAB) must be installed via the Add-On Manager to communicate with the DT9847. If you intend to use the analog output channel, please refer to the following forum post. Regards, Fausto
  25. Fausto
    Hello @jesusvaquerizo. I've moved your question to the MCC section on the Forum. Regards, Fausto
×
×
  • Create New...