Technical Parameters Parameter Category Specification / Value Brand Eaton Product Series XN (Programmable Logic Controller System) Product Model XN-4DI-24VDC-P Product Type Digital Input Module Number of Channels 4 Input Type Sourcing (PNP) / Positive Logic Nominal Input Voltage 24 V DC Rated Input Current Typically 3-5 mA per point Logic "1" Signal Level 15...30 V DC Logic "0" Signal Level 0...5 V DC Isolation Channel-to-channel and channel-to-bus isolation Connection Removable screw terminal block Status Indication LED per channel Mounting On 35 mm DIN rail (snaps onto XN base unit) Compatibility Eaton XN Series PLCs