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The Allen-Bradley 1791-32A0 is a versatile block I/O module designed for remote input/output operations, featuring 32 channels with each channel operating within a 79-132VAC range at 47-63Hz. It supports Remote I/O (RIO) communication through a single port, offering robust isolation with 1250 VAC for both I/O group-to-group and I/O group to logic, while the power supply isolation is rated at 500 VAC. Compatible with PLC-2, PLC-3, PLC-5/250, PLC-5, and SLC 5/02 controllers, this compact unit allows easy connectivity via removable terminal strips and supports monitoring through integrated status indicators and configuration via two switch assemblies, featuring a reliable design for efficient integration with diverse programmable systems.