Allen-Bradley PLC -5/40 Controlnet Processor 1785-L40C15Technical Specifications: Processor Type: PLC 5 40 Communication Network: ControlNet Memory Capacity: Up to 48K words of program memory (depending on the specific model revision) I O Capacity: Handles up to 2048 total I O points (a combination of inputs and outputs) in free mode. Communication Ports: Includes embedded communication ports for serial, Data Highway Plus (DH+), DH using 1785 KA, Remote I O (RIO), and ControlNet. Dimensions: 4. 9x16. 5x27.