Follow the on screen prompts of the New Hardware Wizard. Turn the computer off, move the board to another slot (you may have to swap it with another board), then turn the power back on. When it asks you, “Where is the driver?” Direct it to the C:\MCC folder, and select OK.Ĥ. Right mouse click on the offending item (the one with the yellow dot and the "!" in the center), select Properties to open the "Drivers" tab, and select the "Update Driver." button, and follow the on screen prompts of the Wizard. From your Device manager, right mouse click on the offending item (the one with the yellow dot and the "!" or “?” in the center), select delete, then right mouse click on the top item, the computer name, and select scan for hardware changes, and hopefully that will fix the problem.ģ. From your Device manager, right mouse click on the top item, the computer name, and select scan for hardware changes, and hopefully that will fix the problem.Ģ. To resolve this issue, there are 4 potential fixes.ġ. Further below you may see an item listed as unknown device with the same yellow dot and the "!" or “?” in the center. What you probably see is either something like that but with a yellow dot and an "!" or "?" in the center, or it is completely missing. But that is probably not how it is showing up. If installed properly, these should have gray diamonds as their icons. What you should see is a section call "DAS Components" with an indented item that has the model name of your board, for example, PCI-DIO24, or PCI-DAS6071. If you go to your Window’s Device Manager, you can usually solve the issue. The only available workaround is to use separate modules for input and output or to use Matlab code to implement your control system.Q: Why doesn’t my PCI board does show up in InstaCal?Ī: This problem is usually caused by plugging in the board before the InstaCal software is installed. Unfortunately, the Simulink drivers do not support this. I get an error when I try to create a Simulink feedback contorl system that uses both an input and an output block. Use InstaCal to configure your module for single ended or differential inputs. If you are using a different physical module, you must re-run InstaCal with the module you are using and then RESTART Matlab after you are done.Įverything is hooked up properly but the data makes no sense. My module is connected but Matlab / Simulink doesn't recognize it.Įach module has a unique id number programmed inside. You should also use InstaCal to configure ("Install/Configure") and test ("Test/Analog") your DAQ module before trying to access it using Matlab. After running InstaCal, you must add a USB-1408FS board to the board tree using the "Install/Add Board." command. You must also load and run InstaCal from the CDs provided with the USB DAQ module. You must load the driver provided in the "Getting Started" section. I get the following error message when I try to use the DAQ in Matlab: Or visit and search for "USB-1408FS" for answers to other FAQs. Type "help daq" to list the commands in the data aquisition toolbox. What other data acquisition commands are available in Matlab? Follow the instructions in the readme file to add this block to your Simulink library. Simulink block which makes your simulation run in approximate real-time. If this directory does not exist, you must install the DAQ toolbox in MATLAB before you can continue. $MATLAB\toolbox\daq\daq\private\mwmcc.ini IF your version of Matlab is earlier than 7.3, The text in this driver file must be APPENDED to the following file where $MATLAB is the directory where matlab is installed: Sample Matlab source code to read 800 samples at 8KHz from one of the analog input channels. Link to the Measurement Computing website. Measurement Computing USB-1408FS DAQ Tools Leo Stocco, Electrical
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