The Allen-Bradley 1769-ARM module is designed to reserve and replace module slots within a PLC system, initiating operation only after configuring I/O and creating a specific user program. Key features include a low current draw of 60 mA at 5.1 V, a heat dissipation of 0.3W, and a power supply distance rating of 8, accommodating power supplies such as the 1769-PA2 and 1769-PB2. This compact module, weighing approximately 0.62 lb with dimensions of 118 x 35 x 87 mm, can be mounted via DIN rail or panel, operating efficiently between temperatures of 32-140 °F with strong resistance to shock and vibration, classified under EN 50081-2 Class A for emissions.