The Allen-Bradley 1771-DA is an ASCII I/O module for the PLC-5 system, featuring 1.5K words/3KB of memory and supporting RS-232-C communication. It is designed for use in industrial automation environments, providing reliable data exchange between the PLC-5 and external devices. This module is available in both new and used conditions, with firmware revision C, ensuring compatibility and functionality in various applications.
It supports ASCII communication, making it suitable for text-based data transfer in industrial settings.