TRICONEX 3451

Description

1. Product Description

2. Product Parameters

Parameter	Specification
Module Type	Solid-State Relay Output (SRO) Module for non-critical applications
Output Channels	32 channels (16 pairs), 24 VDC nominal
Voltage Range	16–30 VDC (input), 24 VDC (nominal)
Maximum Current	0.5 A per channel (resistive load), 0.7 A peak surge
Isolation	500 VDC between channels and ground
Response Time	< 10 ms (switching on/off)
Operating Temperature	-40°C to +70°C (storage: -40°C to +85°C)
Humidity	5%–95% non-condensing
Redundancy	Non-triplicated design (single-channel operation)
Compatibility	TRICONEX Tricon CX, EX, and legacy systems; integrates with SCADA and DCS
Power Consumption	< 15 W (maximum under full load)

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3. Advantages and Characteristics

• Solid-State Reliability: The TRICONEX 3451’s solid-state relays offer a mean time between failures (MTBF) exceeding 200,000 hours, reducing maintenance costs by up to 70% compared to electromechanical relays.
• Hot-Swap Capability: Faulty modules can be replaced online, minimizing downtime. In a chemical plant case, this feature allowed technicians to replace a channel in under 10 minutes during production, avoiding potential delays.
• Rugged Design: Withstands extreme temperatures (-40°C to +70°C) and high vibration (5g), making it suitable for offshore platforms and heavy manufacturing.
• Enhanced Diagnostics: Real-time monitoring of channel status and load integrity ensures early fault detection. In a power plant application, the module’s diagnostics identified a failing channel before it caused a system interruption.
• Space Efficiency: Compact form factor (250 x 250 x 250 mm) allows for high-density installations, supporting up to 32 outputs in a single module.

4. Application Areas and Application Cases

• Industry Applications:
  • Oil & Gas: Controls annunciator panels, valve position indicators, and alarm systems in upstream and downstream facilities.
  • Power Generation: Activates pilot lights, auxiliary relays, and status indicators in turbine control rooms.
  • Manufacturing: Triggers conveyor system alerts, machine safety lights, and quality control signals in automated production lines.
  • Water/Wastewater: Manages pump status indicators and remote monitoring systems in treatment plants.
• Case Study:
  A large wastewater treatment plant in Europe deployed the TRICONEX 3451 to monitor 200+ status indicators across its facility. The module’s solid-state relays and diagnostics reduced false alarms by 60% while eliminating mechanical relay failures. This improved operational visibility and reduced maintenance interventions by 45%, ensuring compliance with environmental regulations.

5. Competitive Comparison

Compared to similar relay output modules, the TRICONEX 3451 stands out for its solid-state technology and hot-swappable design, which are rare in non-critical applications. While some alternatives offer basic switching functionality, few match its diagnostic depth or environmental resilience. Its integration with TRICONEX’s broader TMR ecosystem also simplifies system design, unlike competitors that require additional gateways or adapters.

TRICONEX 3451

6. Selection Recommendations

• System Compatibility: Verify compatibility with your TRICONEX control system (e.g., Tricon CX, EX) and backplane configuration.
• Signal Requirements: Confirm the module’s 24 VDC nominal voltage matches your field devices (e.g., annunciators, pilot lights).
• Environmental Needs: For extreme conditions, ensure the module’s temperature and vibration ratings align with your site requirements.
• Redundancy Strategy: While the TRICONEX 3451 is non-triplicated, pair it with redundant power supplies for critical applications to enhance availability.

7. Precautions

• Installation: Power down the system and use anti-static wrist straps during installation to prevent ESD damage. Secure cables to minimize EMI.
• Configuration: Use TRICONEX’s approved software tools (e.g., Tristation 1131) to configure channel parameters and diagnostic thresholds.
• Maintenance: Regularly review diagnostic status indicators to monitor channel health. Schedule firmware updates to incorporate the latest performance optimizations.
• Troubleshooting: Replace faulty modules during planned maintenance or hot-standby mode. Document changes and validate system functionality post-replacement.