The Allen-Bradley 1771-A2B is an 8-slot universal I/O chassis from the PLC-5 series, designed to house a mix of PLC-5 processors and 1771 I/O modules. Engineered for back-panel mounting in industrial control cabinets, this open-style chassis supports high-density configurations with a robust 5 VDC backplane capable of handling up to 16 Amps. It ensures dependable module-to-processor communication and flexible system expansion for mid-sized automation systems. The 1771-A2B is ideal for environments requiring durability, reliability, and a compact form factor. Manufacturer Rockwell Automation Brand Allen-Bradley Part Number 1771-A2B Product Type Universal I/O Chassis Series PLC-5 / 1771 Number of Slots 8 Mounting Back-Panel Mount Style Open Backplane Voltage 5 VDC Backplane Current 16 Amps Max Compatible Modules 1771 I/O Modules, PLC-5 Processors Status Discontinued by Manufacturer
