Description The Automation Direct D3-330 is a central processing unit designed for DL305 PLC systems. It provides reliable execution of control logic using a 16-bit microprocessor and integrated non-volatile memory. The D3-330 includes battery-backed memory retention to support continuous operation in industrial automation environments. Technical Specifications Condition New / Never Used Surplus Brand Automation Direct Category PLCs/Machine Control Part Number D3-330 Subcategory PLC Module/Rack Type Central Processing Unit (CPU) Series DL305 Processor Type 16-bit microprocessor Program Memory 8k words (16k bytes), non-volatile Data Memory 4k words (8k bytes), non-volatile Battery Type Lithium battery for memory backup Operating Temperature Range 0°C to +60°C Storage Temperature Range -20°C to +70°C Humidity Rating 5% to 95% non-condensing Application Environment Industrial automation and machine control systems Information About D3-330 The D3-330 is part of Automation Direct’s DL305 PLC hardware platform used in machine control and industrial automation systems. It is constructed as a rack-mounted CPU module responsible for program execution, data processing, and system coordination. The module integrates directly with DL305 I/O and expansion modules, enabling scalable and flexible control system architectures. It is typically deployed in applications requiring dependable processing, retained memory during power loss, and stable operation across a wide range of industrial conditions. Key Features: DL305 series compatibility: Designed specifically for Automation Direct DL305 PLC systems. 16-bit microprocessor: Supports efficient execution of control programs. Non-volatile program memory: Retains control logic without external power. Non-volatile data memory: Stores operational data and system variables securely. Lithium battery backup: Maintains memory contents during power interruptions. Industrial temperature tolerance: Supports operation in standard control environments. PLC rack integration: Fits directly into DL305 module racks. The D3-330 delivers the reliability and precision required for PLC-based control and automation applications.