Mitsubishi MELSEC A0J2-E56DR Programmable Controller – 56-Point I/O Unit (28 DC In / 28 Relay Out)

The A0J2-E56DR is a high-density programmable control unit. It is designed to work in tandem with an A0J2(H) CPU but operates as a robust, integrated controller for field-side operations. As seen in your photo, it features a comprehensive wiring map on the faceplate, simplifying the management of 28 inputs and 28 outputs. It is highly valued in legacy industrial systems for its ability to handle complex I/O tasks in a single, compact footprint.