The Allen-Bradley 1771-HS3CR PLC5 IMC-123 is a sophisticated 3-axis servo controller designed for seamless integration into any 1771 I/O chassis. This versatile controller is equipped with essential components including a memory module, power module, and encoder module, and offers the option for a hand-held pendant. It features a 120V AC power supply and utilizes a 96KB battery-backed memory module to store AMP parameters and download MML programs, while managing fast I/O power via a 50-pin connector. With RS-232 connectivity for programming and debugging, and the ability to handle encoder feedback through a 250 KHz input, it operates efficiently within temperatures of 0-60 °C and humidity levels of 5-95%. Measuring 11 x 7 x 3 inches and weighing 1.36 kg, the 1771-HS3CR is certified to c-UL, C-TICK, and CE standards, ensuring compliance and reliability in industrial applications.