Allen-Bradley 1756-L71 ControlLogix Logix5571 Processor
Allen-Bradley 1756-L71 ControlLogix Logix5571 Controller with 2 MB User Memory and 1 x Built-in USB 2.0 Programming/Download Port; I/O Memory: 0.98 MB; 128,000 Digital I/O, 4,000 Analog I/O, 128,000 Total I/O