... defined freely4) Support touch functionFor PLC part:1) 2 channels high speed pulse output (0~400KHz), ... control2) 4 channels single-phase or 2 channels AB-phase 32 bits high speed counter, the frequency ... can reach 200KHz3) 2 COM ports, support both ... phase count, 3CH external interruption; 220VAC; Can expand 2 BD cardsXP3-16RT-E8DI/8DO, 4 relay output, ...