The Allen-Bradley 1771-ASB E Remote I/O Adapter Module is a Remote I/O adapter used to connect remote I/O devices to a central controller in Allen-Bradley automation systems. It interfaces between a PLC and the 1771 Remote I/O bus, enabling expansion of input and output points across distributed modules. As the E revision of the 1771-ASB family, this model is designed for use in industrial automation and machine-control applications to extend a controller’s I/O capability.
