Category Parameter Specification / Typical Value General Characteristics Module Type Digital Input (DI) with Diagnostics Number of Channels Typically 4 channels Connection Technology M12 Connectors Input Characteristics Input Voltage 24 V DC (Nominal) Input Type Sourcing (PNP) / High-side switching "1" Signal Level Typically 15...30 V DC "0" Signal Level Typically -3...5 V DC Input Current per Channel Typically 2...10 mA Diagnostic Functions (Key Feature) Diagnostic Capabilities • Wire-break/Open-circuit detection • Short-circuit detection • Overload detection • Overvoltage detection Diagnostic Indication Dual LED per channel (e.g., Green for status, Red/Yellow for fault) Diagnostic Data Available via the fieldbus/backplane to the PLC Electrical Isolation Channel-to-Channel Yes, typically isolated Channel-to-Bus Yes Performance Update Time < 1 ms per channel (typical) General Data Backplane Bus Proprietary (for XSystem platform) Supply Voltage (from backplane) 24 V DC Operating Temperature 0 °C to +55 °C Protection Rating (with connector) IP67 Standards IEC 61131-2, UL 508
