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The 1771-HS3CR PLC5 IMC-123 by Allen-Bradley is a robust 3-axis servo controller designed for seamless integration into any 1771 I/O chassis. It comes equipped with essential components, including a memory module, a power module, an encoder module, a resolver, and an optional hand-held pendant. This controller supports 120V AC through the 1A 1771-PS7 power supply and features a 96KB 1771-HM3A battery-backed memory for storing AMP parameters and MML programs. It utilizes a 50-pin I/O connector for encoder and resolver feedback, E-stop signals, and fast I/O power delivery. The RS-232 port facilitates MML program uploads, downloads, and debugging via the optional T45 and T50 ODS systems. With a weight of 1.36 kg and dimensions of 11x7x3 inches, it operates efficiently in environments ranging from 0 to 60°C with up to 95% relative humidity and is c-UL, C-TICK, and CE-certified for quality assurance.