
How to Install and Use Crouzet Millenium 3 USB Driver

Crouzet Millenium 3 is a logic controller that can be used for various applications such as monitoring, timing, counting, temperature control, level control and more. It has a smart design that can be adapted for modular panels, DIN-rail mount or panel mount. It also has digital and analog inputs, relay and static PWM outputs, and an embedded highly visible screen with programmable buttons.
To connect your Crouzet Millenium 3 to your PC, you need a USB driver that allows you to communicate with the device and program it using the M3 Soft software. The M3 Soft software is the easiest programming software to use on the market, with a simple and intuitive interface, a wide range of basic and dedicated functions, and a simulation mode that consistently represents controller operation.
In this article, we will show you how to install and use the Crouzet Millenium 3 USB driver on your Windows 7 PC.
Step 1: Download the USB driver
The first step is to download the USB driver from the Crouzet website. You can find it under the product page of the logic controller 3 access M3 control cable PC USB[^2^]. The file name is Software Driver USB (Windows 7) ML.7z. It is a compressed file that contains the driver files and an installation guide.
Step 2: Extract the USB driver

The next step is to extract the USB driver from the compressed file. You can use any software that can handle 7z files, such as 7-Zip or WinRAR. After extracting the files, you should see a folder named Driver_USB_Millenium_3_Windows_7 containing two subfolders: Driver_USB_Millenium_3_Windows_7_32bits and Driver_USB_Millenium_3_Windows_7_64bits.
Depending on your Windows version, you need to choose the appropriate subfolder for your PC. To check your Windows version, you can right-click on My Computer and select Properties. You should see a System type section that indicates whether your PC is 32-bit or 64-bit.
Step 3: Install the USB driver

The third step is to install the USB driver on your PC. To do this, you need to follow these steps:
- Connect your Crouzet Millenium 3 to your PC using the logic controller 3 access M3 control cable PC USB.
- Wait for Windows to detect the new hardware and start the installation wizard.
- Select Browse my computer for driver software.
- Browse to the subfolder that matches your Windows version (32-bit or 64-bit) and click Next.
- Wait for Windows to install the driver and click Finish when done.
You should see a message that says Device driver software installed successfully. You can also check in Device Manager if the Crouzet Millenium 3 appears under Ports (COM & LPT) with a COM number assigned to it.
Step 4: Use the M3 Soft software

The final step is to use the M3 Soft software to program your Crouzet Millenium 3. You can download the M3 Soft software from the Crouzet website under the product page of the software[^3^]. The file name is Software_Millenium_3_V1.60.exe. It is an executable file that contains the software and an installation guide.
To install and use the M3 Soft software, you need to follow these steps:
- Run the Software_Millenium_3_V1.60.exe file and follow the installation wizard.
- Launch the M3 Soft software from your desktop or start menu.
- Select File > New Project or click on New Project icon.
- Select your Crouzet Millenium 3 model from the list and click OK.
- Create your program using function blocks, SFC or ladder diagram languages.
- Select Communication > Connect or click on Connect icon.
- Select your COM port number from the list and
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