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The Allen-Bradley 1771-HS3A IMC 120 Servo Controller Module is a sophisticated 3-axis control solution designed for the 1771 I/O chassis series, offering integrated support for servo operations with its comprehensive components, including a memory module, power module, encoder module, and optional Hand-Held pendant. This model employs the 1771-PS7 power supply to deliver 120-240V AC, enabling connectivity via a 9-pin cable and utilizing a 96 KB battery-backed memory cartridge to manage AMP parameters and program downloads. Notably, it supports RS-232 connections for external devices, resolver and encoder feedback, and features LED indicators for status tracking, while maintaining operational reliability across a wide temperature range and adhering to stringent safety and quality standards such as c-UL, C-TICK, and CE certifications.