TRICONEX 3664 (32-Channel DO・TMR Digital Output Module・SIL3) Brand / Series: TRICONEX (Schneider Electric), Tricon v10/v11 System 3600 Series Model: 3664 Type: 32-channel Digital Output (DO), TMR Triple Modular Redundancy, SIL3, High-density 24VDC Load Driving. ## I. Core Parameters Channel Quantity: 32 channels (common terminal output, common ground) Output Type: Relay / Solid-state Output, 24VDC (16–30VDC adaptable, maximum 36VDC) Driving Capacity: 2A per channel, 10A transient current for 10ms (compatible with solenoid valves, relays and motor starters) Response Time: ≤2ms; Channel voltage drop ＜1.5VDC; Leakage current ≤2mA Isolation / Insulation: 1500VDC isolation between channels and backplane; 1500VAC withstand voltage between channels Power Consumption / Temperature: ＜10W; Operating temperature **-40℃～+70℃**, Storage temperature -40℃～+85℃ Dimensions / Weight: 175×114×32mm; Approximately 1.5kg; Dark blue panel Safety Level: SIL3 (IEC61508, TÜV Certified) ## II. TMR Redundancy and Diagnosis Triple Modular Architecture: Independent generation and verification of three circuits for each output, 2-out-of-3 (2oo3) voting logic, single-point fault will not affect output. On-board Diagnosis: Output open circuit / short circuit / stuck detection Self-inspection of backplane communication, power supply and internal circuits Panel LED Indicators: PASS/FAULT/CH status Fail-Safe Design: Output switches to de-energized safe state in case of faults; Hot-swap supported. ## III. Interface and Wiring Connector: 56-pin, matched with terminal boards (e.g. 9753-240) TriBus: Redundant backplane bus, connected to 3009/3501E main controllers Compatible Systems: Tricon v10/v11 (v9 compatible) ## IV. 3664 vs 3604E (DO) | Comparison Items | 3664 | 3604E | | ---- | ---- | ---- | | Channel Quantity | 32 Channels (High Density) | 16 Channels (Standard) | | Single Channel Current | 2A (High Driving Power) | 1A | | Transient Current | 10A (10ms) | 5A | | Compatible Loads | Solenoid Valves, Motor Starters | Relays, Indicator Lights | | Price / Density | High / High | Medium / Medium | ## V. Typical Applications SIS/ESD: Emergency Shutdown, Fire & Gas System (F&G), Burner Management System (BMS) Driven Equipment: 24VDC solenoid valves, relays, motor starters, alarm lights Industries: High-risk scenarios including oil refining, chemical industry, LNG, electric power, coal chemical industry and more