9 Digital input module XN-322-20DI-PD9.3 Digital input wiringXN300 slice modules 06/16 MN050002 EN www.eaton.com 539.3 Digital input wiringThe digital input, as defined in the EN 61131-1 type with a 5-ms input delay,is particularly suitable for connecting electronic switching devices, includingrelay contacts, pushbuttons, switches, etc. It is used to convert a signal withtwo possible states into a one-bit binary number.Figure 31: Input wiring9.4 Technical data for digital inputsX1 1 2 3 4 8X2 5 6 7 X3 9 10 11 12 16X4 13 14 15 X5 2017 18 19PE24 V0 VdesignationNumber of channels 2061131-2 Type1Input voltage U E 24 VDC maximum 30 VDCSignal level LOW: 0 < UE < +8 V HIGH: +14 V < UE < +30 VSwitching threshold normally +11 VDCInput current at U E=24Vdc normally 3.7 mAInput delay normally 5 ms