TRICONEX 3721

Overview

The TRICONEX 3721 is part of the Triconex product series, specifically designed for industrial automation and safety-critical applications. It offers high reliability, availability, and security. Its modular design ensures easy expansion and maintenance, making it suitable for industrial control requirements in harsh environments.

Specifications

• Input Voltage: 24V DC (±10%)
• Operating Temperature Range: -40°C to 70°C
• Dimensions: 160mm x 110mm x 50mm
• Weight: Approx. 1.2 kg
• Protection Rating: IP20
• Supported Communication Interfaces: RS-232, RS-485, Modbus
• Safety Certification: Complies with IEC 61508 SIL 3 standards

Key Features

• High Reliability: Utilizes Triple Modular Redundancy (TMR) design, ensuring continued operation even if a single module fails.
• High Precision: Supports multiple input types (e.g., analog, digital) with accuracy up to 0.1% FS.
• Flexibility: Features hot-swappable functionality and a modular design for easy expansion and maintenance.
• Noise Immunity: Differential inputs suppress common-mode interference, ensuring data transmission accuracy.
• User-Friendly: Intuitive interface with simple configuration, supporting multiple programming languages such as Ladder Logic and Structured Text.

Structure and Components

• Standard 19-inch rack-mount size.
• Aluminum alloy enclosure with IP20 or higher protection rating.
• Redundant processors and power modules.
• Supports multiple communication protocols and interfaces, including Modbus, Profibus, and DIN rail mounting.

Applications

The TRICONEX 3721 is widely used in the following industries and scenarios:

• Oil & Gas: Process monitoring, safety interlocking, and emergency shutdown systems (ESD).
• Chemical Industry: Monitoring and controlling critical parameters in production processes.
• Power Generation: Safety protection and control in power plants.
• Pharmaceutical: Monitoring and regulation of drug manufacturing processes.
• Renewable Energy: Wind power, solar PV systems, and energy storage systems.
• Metallurgy: Control of steel smelting and rolling processes.
• Other Industrial Applications: Such as water treatment, paper manufacturing, and food processing.

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Professional Large-Scale Control Systems & Imported Module Supplier

Your One-Stop Automation Solutions Expert

We are a specialized provider of large-scale control systems and imported module components, delivering premium automation solutions to clients worldwide.

1. Global Brand Partnerships: Direct supply of top-tier products and spare parts from ABB, FOXBORO, TOSHIBA, and other leading brands—ensuring quality and reliability.

2. Value-Driven Approach: Committed to “Creating Value for Customers”, we continuously optimize services to earn long-term trust.

3.Industry Expertise: Decades of experience with expanding capabilities to meet diverse industrial needs.

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Efficient Logistics, Global Reach

1📍 Strategic Location

Based in Xiamen, a key port city, we leverage multi-modal transport networks (sea/air/land) for fast domestic and international deliveries, significantly reducing lead times.

2🌍 Global Logistics Network

Partnered with world-class logistics providers to offer flexible ocean & air freight solutions, ensuring secure and timely global shipments.

3🚛 Custom Transport Options

Tailored services including door-to-door, LCL (Less than Container Load), and FCL (Full Container Load) to balance cost-efficiency with client requirements.

4📲 Real-Time Tracking

End-to-end visibility with our tracking system, allowing clients to monitor shipments anytime for guaranteed on-time delivery.

5📑 Expert Customs Clearance

Fast customs processing + duty consultancy to minimize delays and ensure smooth cross-border transactions.

6📦 High-Standard Packaging

Compliant with international protection standards to prevent transit damage, with customizable packaging solutions available.

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（PLC）Programmable Logic Controller

1.GE :IS210AEPSG2B,IS220UCSAH1A,IS215ACLEH1A,IS210AEAA

2.Allen-Bradley:1734-IB8 1734-OB8  1769-L18ER-BB1B  1756-IM16I

3.ICS Triplex   : T8461,T8850,T8403,T8431,T8831,T8310

4.Schneider : 140DDI85300,140CPS11420,140CPU67060

5.Prosoft : MVI46-DFNT,MVI69-DFNT,MVI56-PDPMV1

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For more TRICONEX products, please click here

TRICONEX is a global leader in Safety Instrumented Systems (SIS), delivering mission-critical solutions for high-risk industries including oil & gas, refining, petrochemicals, and power generation. The company’s product portfolio features TÜV Rheinland SIL3-certified safety control platforms, such as:

• Tricon: Triple Modular Redundant (TMR) architecture for SIL1-3 applications
• Trident: Compact SIL3-certified platform
• Tri-GP: Cost-optimized TMR solution supporting up to SIL2

To enable end-to-end safety ecosystems, TRICONEX offers advanced software tools:

• Safety View™: Intelligent bypass & alarm management
• Safety Validator™: Automated logic testing & documentation generation
• System Advisor™: Configuration management, change tracking, and I/O monitoring

A standout innovation is the EcoStruxure™ Triconex Safety System, a core component of the EcoStruxure Plant Architecture, which delivers lifecycle safety management to protect personnel, ensure operational continuity, and maximize asset ROI.