Controller tasks: 32 tasks, 100 programs/task, Event tasks: all event triggers; Communication Ports: One RS-232 serial port; Available User Memory: 8196 KB; I/O Memory: 478 KB; Optional Nonvolatile Memory: 64MB CompactFlash (1784-CF64), 128MB (1784-CF128); Digital I/O, max: 128,000; Analog I/O, max: 4,000; Total I/O, max: 128,000; Current draw: 1200mA at 5V DC, 14 mA at 24V DC; Power dissipation: 3.5 W.