... the function of OP330 HMI and XC3 series PLC,This model can install 2 expansion BD boards, the ... BD boards can be analog input, output,LCD ... points transistor/relay/mixed output,26 function buttons can be set to any functions,High speed counter ... AB-phase count, 3CH external interruption; 220VAC; Can expand 2 BD cardsXP3-16T-E8DI/8DO, 8 ...