Name: TRICONEX 3401 Digital Output Module(XIONGBA) | XIONGBA
Price: 999.00 USD
Availability: InStock

Description

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Product Overview

The TRICONEX 3401 is a high-reliability digital output (DO) module designed for critical safety applications within industrial automation systems. As a core component of TRICONEX’s Safety Instrumented Systems (SIS), it employs Triple Modular Redundancy (TMR) architecture to ensure fail-safe operation in high-risk environments like oil refineries, chemical plants, and power generation facilities. The module converts control system signals into actionable outputs for actuators (e.g., valves, relays), leveraging three independent processing channels that vote on output decisions. This design guarantees continuous operation even if one channel fails, minimizing downtime and enhancing system integrity. The TRICONEX 3401 supports SIL 3 safety standards (per IEC 61508), making it indispensable for emergency shutdown (ESD) systems and process safety controls where zero tolerance for failure is paramount. Its galvanic isolation, robust diagnostics, and hot-swappable design further solidify its role in mission-critical automation infrastructures.

Technical Specifications

Parameter Name	Parameter Value
Product Model	TRICONEX 3401
Manufacturer	TRICONEX (Invensys)
Product Type	Digital Output Module
Output Signal	24 V DC (nominal)
Output Channels	16 discrete channels
Operating Voltage Range	15–30 V DC (max. withstand: 33 V DC)
Output Current	4.8 A (switch mode), 1.5 A (degraded mode)
Response Time	<1.0 ms (loop scan)
Isolation	500 V DC (galvanic isolation)
Operating Temperature	-40°C to +70°C
Safety Certification	SIL 3 (IEC 61508), CE, UL, FM
Dimensions	140 × 75 × 35 mm (approx.)
Weight	0.5 kg
Redundancy	TMR (Triple Modular Redundancy)
Communication Protocols	Modbus TCP/IP, RS485

TRICONEX

Key Features and Advantages

The TRICONEX 3401 excels in safety-critical applications through its patented Quad Voter circuit, which enables real-time output signal voting across three independent channels. This architecture ensures that even if two channels disagree, the module maintains correct output based on majority consensus, achieving >99.9% fault detection coverage.

Robust Environmental Resilience: Engineered for harsh conditions, the module operates reliably across extreme temperatures (-40°C to +70°C) and resists vibration (0.05 g RMS) and shock (15 g), with an IP65-rated aluminum alloy casing for dust and moisture protection.

Intelligent Diagnostics: Integrated self-diagnostic routines monitor channel health, detecting faults like short circuits or power loss within 500 ms. Fault indicators pinpoint specific channel issues without disabling the entire module, enabling targeted maintenance.

Operational Flexibility: Supports hot-swapping for zero-downtime replacements and integrates seamlessly with TRICONEX platforms (e.g., TriStation diagnostics software). Its DIN rail mounting simplifies installation in control cabinets.

Application Areas

The TRICONEX 3401 is pivotal in industries demanding uncompromised safety and reliability. In oil and gas, it drives emergency shutdown systems (ESD) for pipelines and offshore platforms, ensuring rapid valve closure during pressure anomalies. Chemical plants utilize it for reactor temperature control and fire/gas detection systems, where SIL 3 compliance prevents catastrophic failures. Power generation facilities rely on the module for turbine protection and grid synchronization, while water treatment plants deploy it for pump/valve interlocks in flood control scenarios. Its versatility extends to nuclear safety controls and metallurgical processes, where high-voltage actuator management and fault tolerance are non-negotiable.