TRICONEX 3664

Description

1. Product Description

2. Product Parameters

Parameter	Details
Output Channels	32 isolated digital outputs (commoned configuration)
Nominal Voltage	24V DC
Voltage Range	16–32V DC (maximum 36V DC surge tolerance)
Current Rating	2A per channel (continuous); 10A per channel (10 ms surge)
Isolation	1,500V DC between output channels and system ground
Redundancy	Triple Modular Redundancy (TMR) with automatic fault detection and failover
Safety Integrity Level	SIL 3 (IEC 61508 certified)
Power Consumption	Less than 13W (excluding load current)
Operating Temperature	-40°C to +70°C (storage: -40°C to +85°C)
Response Time	≤10 ms for output state transitions
Environmental Ratings	IP66/67 (dust and water ingress protection), vibration-resistant (2g, 5–500 Hz)
Certifications	ATEX, IECEx, CSA (suitable for hazardous areas)

TRICONEX 3664

3. Advantages and Features

• Triple Modular Redundancy (TMR):
  The TRICONEX 3664’s TMR design ensures high availability by voting on signals from three independent channels. This architecture achieves a mean time between failures (MTBF) exceeding 500,000 hours, significantly reducing the risk of uncontrolled system shutdowns or misoperations.
• High Current Capacity:
  With a 2A continuous current rating per channel, the module supports direct control of high-power actuators and relays without additional signal conditioning. In a chemical plant application, this capability reduced the need for intermediate relays by 40%, simplifying wiring and improving system reliability.
• Real-Time Diagnostics:
  Built-in diagnostics monitor output status, voltage levels, and temperature in real time. Faults such as short circuits, open circuits, or overvoltage conditions are detected within 10 ms, enabling proactive maintenance and minimizing unplanned downtime.
• Rugged Environmental Performance:
  Rated for extreme temperatures and resistant to dust, water, and electromagnetic interference (EMI), the TRICONEX 3664 operates reliably in harsh environments such as offshore platforms, refineries, and chemical plants where standard modules might fail prematurely.

4. Application Areas and Application Cases

• Oil and Gas: Controls pipeline isolation valves, monitors pressure relief systems, and manages emergency shutdown sequences in offshore rigs and refineries.
• Chemical Processing: Drives reactor agitators, controls pump starters, and implements safety interlocks in batch and continuous production lines.
• Power Generation: Synchronizes generator circuit breakers, controls steam turbine bypass valves, and supports grid stability in thermal and nuclear power plants.

5. Competition-related Comparison

• Higher Current Handling: Supports 2A per channel, surpassing many alternatives that offer 1.5A or less, making it suitable for high-power field devices.
• Superior Redundancy: TMR architecture provides three-channel voting, enhancing fault tolerance compared to dual-redundant or non-redundant designs.
• Wider Environmental Range: Operates reliably from -40°C to +70°C, outperforming standard modules that often have narrower temperature limits.
• SIL 3 Compliance: Meets the highest safety integrity level, making it ideal for applications where competitor modules with lower SIL ratings may not suffice.
  

  TRICONEX 3664

6. Selection Suggestions

• Safety Requirements: Choose the TRICONEX 3664 for applications requiring SIL 3 certification, such as safety instrumented systems (SIS) or fire and gas (F&G) systems.
• System Compatibility: Ensure integration with your existing TRICONEX Tricon or Tricon CX control system to leverage seamless communication and advanced diagnostic features.
• Environmental Conditions: Opt for this module if your site has extreme temperatures, high vibration, or exposure to corrosive elements, as its rugged design eliminates the need for additional protective enclosures.
• Output Density: With 32 channels, the TRICONEX 3664 is suitable for medium-to-large systems. For smaller setups, consider lower-channel modules from the TRICONEX portfolio.

7. Precautions

• Installation: Power down the entire system before installing or replacing the module to prevent electrostatic discharge (ESD) damage. Use shielded cables and follow proper grounding procedures to minimize EMI.
• Load Management: Verify that the combined load of all connected devices does not exceed the module’s current rating (2A per channel) to avoid overheating or component failure.
• Maintenance Routine: Regularly check the module’s status via the TRICONEX system interface, paying attention to diagnostic alerts for voltage irregularities or channel faults. Replace faulty channels promptly to maintain full redundancy.
• Firmware Updates: Use official TRICONEX tools to update firmware, ensuring access to the latest safety patches and performance optimizations. Always back up system configurations before updating.