Delta's PLC Model DVP48EC00R3 The Delta PLC is a programmable logic controller that controls input and output signals based on programmed logic for use in automation control systems.The DVP48EC00R3 is a PLC from Delta's DVP EC3 series that offers high performance, reliability, and flexible control capabilities. It features 48 digital inputs/outputs (which can be custom configured as inputs or outputs) and supports a variety of communication interfaces such as RS-485, RS-232, and Ethernet, allowing it to communicate and integrate with other devices. The PLC also supports multiple programming languages such as ladder diagram, instruction list and structured text to meet different programming needs.