Allen Bradley 1756-L75 5675 ControlLogix Processor 32MB Memory Allen-Bradley 1756-L75 ControlLogix Logix5575 Processor, Communication Ports: 1 x USB 2.0, Full Speed (12 Mbps); Available User Memory: 32 MB; I/O Memory: 0.98 MB; Optional Nonvolatile Memory: 1GB SD Card (1784-SD1), 2GB SD Card (1784-SD2); Controller Connections Supported, Max: 500; Controller Tasks: 32 Tasks, 100 Programs/Task, Event Tasks – All event triggers; Digital I/O, Max: 128,000; Analog I/O, Max: 4,000; Total I/O, Max: 128,000; Current Draw: 800mA @ 5V DC, 5mA @