Which of the following is NOT typically a feature of modern robot controllers?

The correct choice highlights that battery replacement is not typically a feature of modern robot controllers. Most contemporary robot controllers are designed to operate with a reliable mains power supply and do not utilize batteries for their main functionalities. Instead, they focus on stable power delivery to ensure the uninterrupted operation of robotic systems.

In contrast, networking capabilities allow for seamless communication between robots and other systems, enabling data sharing and coordination on the factory floor. Real-time processing is essential for executing commands and responding to inputs instantaneously, which is crucial in applications requiring precision and speed. User-friendly interfaces are integral for operators to manage and program robots easily, facilitating accessibility and efficiency. These features are fundamental to enhancing the functionality and ease of use in modern robotic systems, making them more versatile and effective in various applications.