EMB-DAQ1 Software Installation
Software Installation Guide for EMB-DAQ1
(updated on 4/22/2026)
Requirements ​
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- Desktop or Laptop computer with Windows® XP or later
- USB 2.0 port
- MATLAB® R2007b or later with
- Simulink®
- MATLAB Coder™
- Simulink Coder™
- Simulink Desktop Real-Time™
- Zeltom EASYIO Software for your MATLAB® version (download link upon request and/or provided with the purchase of the EMB-DAQ1)​​​
Step 1: Zeltom EASYIO Software Installation
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Our EMB-DAQ1 main board is the Zeltom EASYIO. Next, we follow the installation of the EASYIO software.
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- Step 1a
Ensure you have all the requirements mentioned above. Contact us if you need assistance with the requirements.
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- Step 1b
Execute easyio2024a.exe (or your version of software) and follow the on-screen instructions for installation.​​​​​​​
Step 2: Configuring sldrt_main.c (optional)
Note: This step is optional. Please proceed only if you’re comfortable making changes to the file. You may skip "Step 2" if preferred. If you choose to proceed, please do so carefully.
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The EMB-DAQ1 platform works without this modification in the sldrt_main. It configures the system to include the initial condition of time = 0 or time = -1.
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For example, consider T =1 (sampling time), and S = 9 (simulation time):​​
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- with the modified sldrt_main, the Simulink model will run for t = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9; and the board will produce the output for t = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, then reset.
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- with the original sldrt_main, the Simulink model will run for t = 0, 1, 2, 3, 4, 5, 6, 7, 8, 9; but the board will only produce the output for t = 0, 1, 2, 3, 4, 5, 6, 7, 8, then reset.
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- Step 2a (optional step)
Locate the file sldrt_main.c under "your_matlab_root_folder_name\toolbox\sldrt\src" and rename it as sldrt_main.org (to keep the original sldrt_main.c).
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- Step 2b (optional step)
Copy sldrt_main.c from the EasyIO installation folder to this folder.
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Step 3: Driver
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- Step 3a
Plug the EMB-DAQ1 to your computer using the USB cable, with the larger connector to the computer and the smaller to the rear of the EMB-DAQ1.
The driver should install automatically. If not, you can download from: http://www.ftdichip.com/Drivers/VCP.htm.
This will add a virtual com port to your computer.
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Step 4: COM port Configuration
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- Step 4a
Go to Control Panel, Device Manager and set the properties of the virtual COM port as follows:
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Step 5: Real-time Kernel
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- Step 5a
In the MATLAB® command window, type: sldrtkernel -install
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General Notes: ​​​
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Make sure that the COM port number of each EASYIO block used in Simulink® matches the one installed above. For example, COM6.
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Work inside the folder in which you installed the EASYIO software, and ensure that your current MATLAB® folder is that particular folder. You can also add the EASYIO folder to the top of your MATLAB® path.
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Congratulations, the installation is complete. You should have the EASYIO library in Simulink:
