... can be set to any functions,High speed counter, pulse output and external interruption,XP3-18R-C10DI/ ... 3.7 inch blue LCD; support RS485, 2CH pulse output, 2CH AB-phase count, 3CH external interruption; ... 3.7 inch blue LCD; support RS485, 2CH pulse output, 2CH AB-phase count, 3CH external interruption; ... O PLC;16input 14 output; support RS485, 2CH pulse output, 2CH AB-phase count, 2CH external interruption ...