... 8 transistor output, 3.7 inch blue LCD; support RS485, 2CH pulse output, 2CH AB-phase count, 3CH ... 4 transistor output, 3.7 inch blue LCD; support RS485, 2CH pulse output, 2CH AB-phase count, 3CH external ... 26 buttons+30I/O PLC;16input 14 output; support RS485, 2CH pulse output, 2CH AB-phase count, 2CH ... 26 buttons+30I/O PLC;16input 14 output; support RS485, 2CH pulse output, 2CH AB-phase count, 2CH ...