Category Parameter Specification / Typical Value General Characteristics Module Type Digital Input (DI) Number of Channels Typically 4 or 8 channels (Must verify with datasheet) Connection Technology M12 Connectors (likely 4-pin) Input Characteristics Input Voltage 24 V DC (Nominal) Input Type Sinking/Sourcing (PNP/NPN compatible) - Universal "1" Signal Level Typically 15...30 V DC "0" Signal Level Typically -3...5 V DC Input Current per Channel Typically 2...5 mA Electrical Isolation Channel-to-Channel Yes, typically isolated Channel-to-Bus Yes, typically isolated Performance Update Time < 1 ms per channel (typical) Status Indication LED per channel (for input status) and module status General Data Backplane Bus Proprietary (for XSystem EC platform) Supply Voltage (from backplane) 24 V DC Operating Temperature 0 °C to +55 °C Standards IEC 61131-2, UL 508
