Automation Direct D3-330 PLC CPU is a DirectLOGIC DirectNet-based processor designed as the CPU for the DL305 Processor Unit Module. It provides 3.7K words of ladder memory and includes a DCU/HPP communications port, with a battery included to preserve memory when power is removed. The D3-330 uses the DirectNet protocol exclusively for communications. Weighing 6.3 oz (178 g), the CPU has been retired as of August 26, 2021, with AutomationDirect recommending Productivity, BRX, or CLICK series PLCs for new designs.
