Industrial 14 Family ofs

This document provides a comprehensive overview of the Digital Equipment Corporation (DEC) Industrial 14 family of controllers, including the 14/30 and 14/35 models. It details the system architecture, which is built on a modular, NEMA-12 compliant, plug-in design for industrial environments. The document covers the I/O system, featuring optically isolated input and output converters, as well as the control unit, main memory, and internal functions like timers, counters, and shift registers. It also describes the VT14 programming terminal, used for ladder diagram programming and system monitoring, and discusses controller-computer interfacing for monitoring and diagnostics using PDP computers. Installation, maintenance, and various industrial application areas such as machining, material handling, and chemical processing are also addressed.