TRICONEX 4351A

1. Overview

The TRICONEX 4351A is a communication module designed to connect Triconex Safety Instrumented Systems (SIS) with other devices or systems, such as remote I/O modules, Ethernet switches, and HMIs. Featuring a redundant design, it ensures high availability and fault tolerance, making it suitable for high-risk industries like oil & gas, chemical, power generation, and more.

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2. Key Specifications

• Communication Interfaces: Supports multiple protocols, including Modbus TCP/IP, Modbus RTU, TCP/IP, TSN, SNTP, and Jet Direct.
• Network Ports: Equipped with dual Ethernet ports (copper or fiber optic), supporting speeds up to 10/100 Mbps.
• Serial Ports: RS-232/RS-485 ports for debugging and communication.
• Dimensions & Weight: 225 x 165 x 85 mm; weighs approximately 2.5 kg.
• Operating Temperature: -40°C to +70°C.
• Protection Rating: IP67 (splash-proof).
• Power Supply: 24VDC or 48VDC.

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3. Product Features

• High Reliability: Triple Modular Redundancy (TMR) architecture ensures continuous operation even if one module fails.
• Hot-Swappable: Modules can be replaced without system shutdown, simplifying maintenance.
• Modular Design: Easy installation and scalability for diverse industrial environments.
• High Diagnostic Coverage: 99% diagnostic coverage for rapid fault detection and resolution.
• Multi-Protocol Support: Compatible with Modbus, TCP/IP, TSN, and other protocols for flexible integration.

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4. Structure and Components

The TRICONEX 4351A consists of:

• Communication Module Core: Handles data transmission and protocol conversion.
• Ethernet Ports: Dual ports (copper/fiber) with 10/100 Mbps speed.
• Serial Ports: For debugging and communication.
• Power Interface: Supports 24VDC or 48VDC input.
• Robust Housing: Features an aluminum casing, gold-plated contacts, and conformal coating for enhanced durability.

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5. Applications

The TRICONEX 4351A is widely used in:

• Oil & Gas: Safety monitoring in drilling and extraction.
• Chemical Industry: Hazardous process control.
• Power Plants: Safety protection systems.
• Nuclear Power: Critical safety systems.
• Transportation & Aerospace: Mission-critical control and safety.

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