Original Triconex 3664 32‑channel isolated digital output module, spare part for Tricon safety instrumented system.

Product Overview

3664 is Triconex triple‑modular‑redundant digital output module. It receives control commands from main processor and outputs isolated digital signals to drive field relays, valves and actuators, complies with IEC 61508 SIL3 safety standard, widely used as maintenance spare part for petrochemical ESD, fire‑gas protection and power plant safety instrument systems.

Key Features

• Triple Modular Redundant (TMR) fault‑tolerant architecture with 2‑out‑of‑3 voting logic
• 32 channels galvanic‑isolated 24VDC digital output
• Comprehensive self‑diagnosis for channel load, wiring fault and module health monitoring
• Fail‑safe design, output switches to safe state under fault or communication loss
• Supports hot‑swap for online replacement without system shutdown

• Configurable via TriStation 1131 engineering software

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Technical Specifications

• Brand: Triconex (Schneider Electric)
• Model: 3664
• Country of Origin: USA
• Signal Type: Digital Output
• Channel Count: 32 isolated channels
• Rated Voltage: 24VDC (16‑30VDC operating range)
• Single‑channel Max Current: 2A
• Operating Temp: 0℃ ~ +60℃
• Storage Temp: ‑40℃ ~ +85℃
• Humidity: 5‑95% non‑condensing

• Protection: IP20 (rack chassis installation)

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Compatibility

Suitable for Triconex Tricon safety system rack. TriStation configuration download is required after module replacement.