DI3301 ｜ Triconex Trident Series Basic Information Model: DI3301 Device: SIS Safety System Digital Input Module Architecture: TMR Triple Modular Redundancy, 2oo3 Voting Protection Level: SIL 3 Detailed Parameters Channels 32 Isolated Digital Inputs Signal Specifications Rated: 24 VDC On Threshold: ≥18 VDC Off Threshold: ≤5 VDC Input Current: ≈ 5 mA / Point Isolation & Diagnosis Field / System Electrical Isolation Dielectric Withstand Voltage: 1500 VAC Loop Fault Self-Diagnosis: Wire Break and Short Circuit Detection Hot Swappable Support Environment Operating Temperature: −40°C ~ +70°C Functions & Applications Field Discrete Signal Collection: Pressure Switches, Liquid Level Switches, Valve Feedback, Equipment Start-Stop Status, Local Buttons, Relay Dry Contacts Applicable to: ESD, BMS, F&G Safety Interlock Systems