The most powerful FX PLC yet. This compact PLC offers extremely fast program execution, accepts up to eight special function modules and provides maximum flexibility and control power for all your factory automation applications. In addition to the features already listed, the FX3U also offers the following:

Choice of 5 I/O sizes from 16 to 80 I/O base units
Expandable up to 256 Local I/O, 384 combined I/O
High processing speed, 0.065μs/basic instruction
249 applied instructions, 7680 auxiliary relays, 512 timers, 251 counters, 40768 data registers
64K steps battery-backed RAM memory
24Vdc 600mA output for sensors etc (400mA for 16 & 32 I/O)
100% backward compatibility with older FX units