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PAC-based machine vision application
The NI CompactRIO Programmable Automation Controller (PAC) is a powerful embedded system designed for high-performance and reliable applications. With its open, compact, and rugged architecture, it allows users to quickly build efficient embedded systems using off-the-shelf hardware. This makes it ideal for industrial automation, real-time control, and data acquisition tasks.
When paired with the NI Vision Development Module 2009 or later, CompactRIO becomes an excellent platform for machine vision applications. It supports a wide range of uses, including autonomous robotics, medical imaging systems, industrial monitoring, and custom embedded solutions.
This guide covers the installation and configuration of an IP camera with the CompactRIO system, specifically focusing on the MoviMED AF-1501 C Series Analog Frame Receiver module. The process includes setting up the necessary software and configuring network settings to ensure seamless communication between the CompactRIO controller and the IP camera.
To begin, install the required software on your host PC: NI Vision 9.0 and NI-IMAQdx 3.4 drivers. You can verify their presence by opening the Measurement & Automation Explorer (MAX). Once confirmed, transfer the software to the CompactRIO controller via MAX. Open the target, right-click on the software, and use the LabVIEW Real-Time Software Wizard to install the necessary components.
After installation, reboot the system and configure the network settings. By default, the secondary Ethernet port is inactive, so you must enable it through the Advanced Ethernet Settings. Set the IP address to 169.254.0.x with a subnet mask of 255.255.0.0 to establish communication with the IP camera.
Once the network is set up, connect the IP camera to the secondary Ethernet port of the CompactRIO controller. If the port lights up, the connection is successful. In MAX, you should see the IP camera listed as "camX," where X corresponds to the assigned identifier.
You can now test the camera in MAX by capturing still images or video. Adjust acquisition and camera properties as needed. When the camera is working correctly, you can close MAX and note the camera name (e.g., cam1).
Next, create a new LabVIEW project and add the CompactRIO controller as a target. Use the provided template VI, Get.vi, to access the IP camera. Navigate to the driver path, select the VI, and configure it to use the correct camera name. Running the VI should display live video from the IP camera, confirming that everything is properly set up.
This setup enables real-time image processing and integration with other CompactRIO-based systems, making it a versatile solution for advanced machine vision applications.