This document provides instructions for installing and wiring a DVP-PLC programmable logic controller. It describes the components of the PLC including status indicators, I/O ports, and expansion ports. Wiring diagrams are provided for connecting the main processing unit, digital I/O expansion units, and power supply modules. Guidelines are given for mounting the PLC enclosure and routing wires. Technical specifications are listed for input/output points, memory, communication ports, operating conditions, and power requirements.