Technical Parameters Category Specification Product Model XN-16DI-24VDC-P Product Type Digital Input Module Number of Channels 16 Input Type 24 V DC, Sourcing (PNP compatible) Nominal Voltage 24 V DC Rated Input Voltage "1" 15 V DC to 30 V DC Rated Input Voltage "0" -30 V DC to 5 V DC Input Current Typically 3 mA per input (at 24 V DC) Connection Type 2-wire Isolation Channel-to-Bus: Yes (Optically isolated) Connection Method Removable screw terminal block Module Power Supply 24 V DC (via the XN system base or terminal block) Status Indicators - PWR (Power): Green LED - SF (System Fault): Red LED - INx (Input Status): Green LED per channel IP Rating IP20 (for enclosure mounting) Mounting On an XN system base unit, which is mounted on a standard 35 mm DIN rail Operating Temperature -25 °C to +55 °C (-13 °F to 131 °F) Storage Temperature -40 °C to +85 °C (-40 °F to 185 °F) Relative Humidity 95% (non-condensing)