Name: TRICONEX 3674 Digital Output Module TRICONEX3674(XIONGBA) | XIONGBA
Price: 999.00 USD
Availability: InStock

Description

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Product Overview

The TRICONEX 3674 is a high-density, safety-rated digital output (DO) module designed for critical industrial automation systems, manufactured by Honeywell Triconex (now under Schneider Electric). As a core component of the Tricon safety instrumented system (SIS), it employs a “Commoned Dual” redundancy architecture with opto-isolation, ensuring fault tolerance and continuous operation even in harsh environments. The module features 32 output channels operating at 24 VDC, making it ideal for controlling actuators like emergency shutdown valves, motor contactors, and alarm relays in safety-critical processes. Certified to IEC 61508 SIL 3, the TRICONEX 3674 integrates seamlessly with Tricon TMR platforms (e.g., CX series controllers) to execute rapid safety actions in applications such as emergency shutdown (ESD) and fire & gas (F&G) systems. Its hot-swappable design minimizes downtime during maintenance, while per-channel diagnostics enable real-time fault monitoring. Encased in a rugged industrial-grade housing, the module operates reliably across temperatures from -20°C to +70°C, making it indispensable for high-risk industries like oil and gas, chemical processing, and power generation .

Technical Specifications

Parameter	Value
Product Model	TRICONEX 3674
Manufacturer	Honeywell Triconex (Schneider Electric)
Product Type	Digital Output Module
Output Channels	32
Output Voltage	24 VDC
Architecture	Commoned Dual Redundancy
Isolation	1,500 VDC (opto-isolation)
Safety Certification	IEC 61508 SIL 3
Load Current Capacity	2 A per channel (max)
Operating Temperature	-20°C to +70°C
Dimensions	100 × 200 × 150 mm
Weight	1.5 kg
Communication Protocols	Modbus, Ethernet/IP (via Tricon controllers)
Protection Rating	IP30 (standard)

TRICONEXTRICONEX 3674

Main Features and Advantages

Dual Redundancy with Opto-Isolation:

The TRICONEX 3674 utilizes a dual-redundant design per output channel, where two independent circuits drive each point. This architecture, combined with 1,500 VDC opto-isolation, eliminates ground loops and suppresses electromagnetic interference (EMI), ensuring signal integrity in electrically noisy environments like offshore platforms. If one circuit fails, the backup maintains operation, achieving >99.99% availability for SIL 3 compliance .

Comprehensive Diagnostics and Real-Time Control:

Each channel includes status LEDs (On/Off, Load, Fault) and embedded diagnostics that detect faults such as short circuits or open loads. Real-time control capabilities allow immediate response to safety logic commands (e.g., activating a shutdown valve within milliseconds), while diagnostic data is accessible via Triconex Workbench software for proactive maintenance .

High-Density Design and Scalability:

With 32 output points, the TRICONEX 3674 reduces cabinet space and wiring complexity compared to lower-density modules. Its compatibility with Tricon chassis (e.g., CX series) and FTAs (Field Termination Assemblies) simplifies integration into existing systems. Hot-swappability enables module replacement without process interruption, minimizing operational downtime .

Robust Industrial Construction:

The IP30-rated enclosure resists dust, humidity, and mechanical stress, while internal current limiting eliminates the need for external fuses. Self-protecting features like thermal shutdown ensure longevity in extreme conditions, such as chemical plants or power generation facilities .

Application Areas

The TRICONEX 3674 excels in industries where safety failures can lead to catastrophic outcomes:

Oil & Gas: Triggers ESD valves on drilling platforms and pipeline safety interlocks during pressure anomalies or leaks. It also activates fire suppression systems in refineries, leveraging SIL 3 certification to prevent explosions and toxic releases .

Chemical Processing: Controls emergency vent valves and reactor shutdowns, ensuring safe handling of hazardous materials. Dual redundancy guarantees reliability during chemical isolation procedures .

Power Generation: Manages turbine trip signals and boiler shutdowns in nuclear/thermal plants. Rapid response to grid instability prevents equipment overspeed and ensures compliance with safety regulations .

Manufacturing & Heavy Industry: Enforces safety interlocks on robotic cells and heavy machinery, with fault diagnostics reducing unplanned downtime in high-speed production lines .