Name: TRICONEX 3481 Analog I/O Module TRICONEX3481(XIONGBA) | XIONGBA
Price: 999.00 USD
Availability: InStock

Description

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Product Overview

The TRICONEX 3481 is a high-performance analog I/O module designed for critical safety applications within TRICONEX’s Safety Instrumented Systems (SIS). Utilizing Triple Modular Redundancy (TMR) architecture, it ensures fault-tolerant operation in high-risk environments such as oil refineries, chemical plants, and power generation facilities. This module converts control signals into precise analog outputs for actuators (e.g., valves, transmitters) while supporting real-time data acquisition with SIL 3 certification per IEC 61508 standards. The TRICONEX 3481 integrates seamlessly into distributed control systems, providing galvanic isolation, advanced diagnostics, and hot-swappable capabilities to minimize downtime. Its robust design handles harsh industrial conditions, making it ideal for emergency shutdown (ESD), fire and gas (F&G), and turbomachinery control (TMC) systems. By localizing analog signal processing and enabling redundant configurations, the TRICONEX 3481 enhances system reliability and operational efficiency in mission-critical automation infrastructures .

Technical Specifications

Parameter Name	Parameter Value
Product Model	TRICONEX 3481
Manufacturer	TRICONEX (Schneider Electric)
Product Type	Analog I/O Module
Output Signal	4–20 mA (current loop)
Output Channels	4 channels (common loop)
Resolution	12-bit
Output Accuracy	<0.25% FSR (4–20 mA range)
Operating Voltage	24 V DC ±10%
Load Capacity	300 Ω @ >16 VDC (min. 1 A)
Isolation	Non-isolated (common loop)
Diagnostics	Forced Switch Diagnostics (FSD)
Operating Temperature	0°C to +70°C
Safety Certification	SIL 3 (IEC 61508), CE
Redundancy	TMR (Triple Modular Redundancy)
Dimensions	45 × 20 × 15 cm (approx.)
Weight	3 kg
Communication Protocols	Modbus TCP/IP, Ethernet/IP (via companion modules)

TRICONEX

Key Features and Advantages

TMR Architecture for Fail-Safe Operation: The TRICONEX 3481 employs three independent processing channels with majority voting, ensuring continuous operation even if one channel fails. This design achieves >99.9% fault tolerance, critical for SIL 3 compliance in safety systems like emergency shutdowns .

Precision and Diagnostics: With 12-bit resolution and <0.25% output accuracy, the module delivers precise control for analog actuators. Integrated Forced Switch Diagnostics (FSD) detects circuit faults (e.g., open/short circuits) within milliseconds, enabling proactive maintenance and reducing unplanned downtime .

Robust Environmental Resilience: Engineered for industrial harshness, the module operates reliably in temperatures from 0°C to 70°C and resists vibration (0.05 g RMS). Its DIN rail mounting simplifies installation in control cabinets, while hot-swappability allows replacements without system shutdown .

Energy Efficiency and Flexibility: The TRICONEX 3481 supports 4–20 mA outputs with reverse voltage protection, minimizing wiring complexity and energy losses. It seamlessly integrates with TRICONEX platforms (e.g., TriStation software) for real-time monitoring and configuration .

Application Areas

The TRICONEX 3481 excels in industries demanding zero-failure tolerance. In oil and gas, it drives control valves for pipeline pressure regulation and emergency shutdown systems, ensuring rapid response during pressure anomalies. Chemical plants utilize it for reactor temperature control and chemical dosing, where SIL 3 compliance prevents hazardous releases. Power generation facilities rely on the module for turbine speed modulation and grid synchronization, while water treatment plants deploy it for pump flow control and pH monitoring. Its versatility extends to logistics automation (e.g., warehouse conveyor systems) and rubber manufacturing, where precise analog control optimizes production efficiency .