TRICONEX 3721C communication module

Description

TRICONEX 3721C

The Triconex 3721C is a communication module designed for the Tricon v9, v10, and v11 safety systems. It facilitates communication between the Tricon controller and external devices/systems. Below are its key technical parameters:

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General Specifications:

• Manufacturer: Triconex (Schneider Electric)
• Model: 3721C
• Type: Communication Module (TriStation Host Interface)
• Safety Certification: TÜV, SIL 3 (IEC 61508)
• Compatibility: Tricon v9, v10, v11 systems

Communication & Interface Specifications:

• Primary Function: Provides RS-232/RS-485 serial communication between the Tricon controller and a host system (e.g., engineering workstation, DCS, SCADA)
• Protocols Supported:
  • TriStation Protocol (for Triconex engineering software)
  • Modbus RTU (Slave Mode) (optional, depending on configuration)
• Data Rate: Up to 115.2 kbps (configurable)
• Connector Type: DB-9 (RS-232) / Terminal Block (RS-485)

Electrical & Environmental:

• Operating Voltage: 5V DC (supplied via Tricon backplane)
• Isolation: Optically isolated for noise immunity
• Operating Temperature: -40°C to +70°C
• Humidity: 5% to 95% non-condensing

Diagnostics & Indicators:

• LED Status Indicators:
  • Power (PWR) – Indicates module power status
  • Active (ACT) – Shows communication activity
  • Fault (FLT) – Alerts to communication errors
• Hot-Swappable: Yes (can be replaced without shutting down the system)

Applications:

• Safety Instrumented Systems (SIS)
• Integration with DCS/SCADA systems
• Remote monitoring & configuration via TriStation
• Modbus RTU communication for third-party devices

 

Main Brand:

ABB      Allen-Bradley      Alstom      Bently      Emerson      Foxboro

GE        MOOG      Schneider        Woodward       HIMA      Honeywell

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Package: Original packing with cartons

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High-Availability Parts Database (Top Demand Models)

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TRICONEX Company Profile

TRICONEX is a renowned U.S. manufacturer of industrial safety control systems, founded in 1983 and now a brand under Schneider Electric.

Core Expertise

The company specializes in:

• ✅ Safety Instrumented Systems (SIS)
• ✅ Emergency Shutdown Systems (ESD)
• ✅ Critical control solutions

Key Industries Served

Widely used in high-risk sectors, including:

• ✅ Oil & Gas
• ✅ Chemicals
• ✅ Power Generation

Flagship Product

The Tricon Safety System is known for its 🔄 Triple Modular Redundancy (TMR) technology, ensuring:

• ✅ Fault tolerance
• ✅ Safe industrial operations

 Certifications & Global Reach

• ✅ Rigorous safety certifications (e.g., SIL ratings)
• ✅ Global service network

 Leadership

TRICONEX is a trusted leader in process safety solutions, delivering reliability and innovation worldwide.