Model:AS324MT-A,Program capacity:128 k steps,Built in I/O:12DI / 12DO,DO type:差分/ NPN,Terminal block:MIL horn seat,High speed counter:2 -channel 4 MHz ( Differential)4 -channel 200 kHz,Pulse output:2 axis 4 MHz (differential) 4 axis 200 kHz,Built in communication port:USB RS-485*2 Ethernet,Function card expansion slot:2