... be set to any functions,High speed counter, pulse output and external interruption,XP3-18R-C10DI/8DO, ... support RS485, 2CH pulse output, 2CH AB-phase count, 3CH external interruption; 220VAC; Can expand 2 ... support RS485, 2CH pulse output, 2CH AB-phase count, 3CH external interruption; 220VAC; Can expand 2 ... RS485, 2CH pulse output, 2CH AB-phase count, 2CH external interruption; 220VAC; Can expand 2 ...