Vers. No. 6.164 Released: 25/04/20174 Connecting the modules → Q.bloxx A106: Connecting sensors and I/O4.13.6 Digital input and outputOn each connecting plug two contacts are available for an inputor output. You can use the appropriate function depending on thewiring.Fig. 4-51 A106, Digital Input and Output.The digital input is active (high level) when the applied signalvoltage lies above the threshold of 10 V.Input OutputDin Dout1, 2+V0V1, 2