Number of channels 16 Input type PNP Low-level signal voltage < 4.5 V High level signal voltage 7…30 V Low level signal current < 1.5 mA High level signal current 2.1…3.7 mA Electrical isolation electronics for the field level Output connectivity M8, M23 Input delay 0.3 ms Simultaneity factor 1 Dimensions (W x L x H) 32 x 91 x 59 mm Approvals CE, cULus Ambient temperature -40…+70 °C Temperature derating > 55 °C Steady ambient air Simultaneity factor 0.5 Storage temperature -40…+85 °C Relative humidity 5…95 % (internal), level RH-2, no condensation (when stored at 45 °C) Vibration test Acc. to EN 61131 - up to 5 g (at 10 to 150 Hz) for mounting on DIN rail no drilling according to EN 60715, with end bracket - up to 20 g (at 10 up to 150 Hz) for mounting on base plate or machinery Therefore every second module has to be mounted with two screws each. Shock test Acc. to IEC 60068-2-27 Drop and topple acc. to IEC 68-2-31 and free fall to IEC 68-2-32 Electromagnetic compatibility Acc. to EN 61131-2 Protection class IP67 Tightening torque fixing screw 0.9…1.2 Nm