The Allen-Bradley 1771-ASB is an industrial Remote I/O Adapter Module designed for use with the PLC-5 system.
This module supports various communication protocols and can be used in both new and refurbished configurations. It is compatible with Series E, Revision C05, firmware H, and is available in different color labels such as gray. The 1771-ASB is essential for expanding the I/O capabilities of the PLC-5, enabling seamless integration of remote input and output devices in industrial automation systems.