... clock24V powerPLC part10 digital input 8 digital output(R:relay output, T:transistor output)Function similar to PLC XC1 ... AB-phase counter, 3 channels external interruptionXP3-16R-E8DI/8DO(relay), 220v, 2 channels AB counter, 2 channelsexternal interruption.Can work ... work with2 expansion BD cards.XP3-16RT-E8DI/8DO(relay, transistor), 220V, 2 channels AB-phase counter,2 channels external interruption ...