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Product Introduction
The Triconex 4352B Communication Module is an advanced industrial communication module designed specifically for Triconex Tricon® fault-tolerant safety systems. As an enhancement of the earlier 4352A model, the 4352B introduces improved diagnostics, enhanced protocol handling, and higher communication throughput, while maintaining seamless compatibility with existing Tricon platforms.
Engineered with Triple Modular Redundancy (TMR), the 4352B ensures uninterrupted communication between the Tricon controller and external systems, such as Distributed Control Systems (DCS), Human-Machine Interfaces (HMI), SCADA environments, and engineering workstations. It plays a critical role in real-time data exchange, command execution, and system diagnostics in mission-critical applications across a wide range of industrial sectors.
This module is a cornerstone for organizations implementing IEC 61508 SIL 3 safety systems, helping achieve high integrity and availability while supporting protocols like Modbus RTU, Modbus TCP/IP, OPC, and RS-232/RS-485 serial communication.
Product Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Schneider Electric – Triconex |
| Product Model | 4352B |
| Product Type | Communication Interface Module |
| System Compatibility | Triconex Tricon® v9 and newer |
| Supported Protocols | Modbus RTU, Modbus TCP/IP, RS-232, RS-485, OPC |
| Redundancy | Triple Modular Redundancy (TMR) |
| Network Interfaces | Serial ports (RS-232/RS-485), Ethernet (10/100 Mbps) |
| Max. Modules per System | Up to 8 per Tricon chassis |
| Hot-Swappable | Yes |
| Status Indicators | LED status indicators for TX/RX, error, and module state |
| Diagnostics | Built-in self-tests, watchdog timers, communication error counters |
| Firmware Upgradeable | Yes (via engineering workstation) |
| Operating Temperature | 0°C to +60°C (32°F to 140°F) |
| Storage Temperature | -40°C to +85°C |
| Humidity Range | 5% to 95% non-condensing |
| Power Consumption | Approx. 5.5 W |
| Certifications | SIL 3 (IEC 61508), CE, CSA, ATEX, GOST |
| Mounting Type | Chassis-mounted in Tricon system backplane |
| Dimensions (H × W × D) | 21 x 405 x 400 mm |
| Weight | 2.3 kg |
Applications
The Triconex 4352B is a key communication gateway in high-availability, high-integrity industrial environments. Common application areas include:
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Oil & Gas Processing Plants: For inter-system communication in Emergency Shutdown (ESD), Burner Management Systems (BMS), and Fire & Gas (F&G) detection.
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Refineries & Petrochemical Plants: Provides reliable link between Tricon safety controllers and distributed control infrastructure.
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Power Generation Units: Used in turbine control, generator protection, and nuclear safety systems.
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Pharmaceutical Manufacturing: Facilitates real-time batch control and regulatory compliance communications.
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Mining and Metals Industry: Supports remote data exchange in harsh process conditions.
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Water & Wastewater Treatment: Interfaces between safety systems and SCADA/HMI platforms for 24/7 process control.
Advantages
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Enhanced Protocol Handling: Supports multiple simultaneous protocol types, including Modbus and OPC, ensuring interoperability with a wide range of systems.
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Triple Modular Redundancy (TMR): Ensures ultra-high system availability with seamless fault tolerance.
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High Communication Throughput: Optimized for faster data exchange rates, ideal for large and complex systems.
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Secure Communication: Meets industry cybersecurity standards (ISA/IEC 62443), with secure firmware upgrade capabilities.
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Hot-Swap Capability: Enables on-the-fly replacement with no need to shut down the system.
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Built-In Diagnostics: Advanced real-time diagnostics with watchdog timers and LED indicators to simplify troubleshooting.
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Future-Proof Design: Backward-compatible with 4352A while supporting advanced network infrastructure.
Frequently Asked Questions (FAQ)
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Q: What is the primary function of the 4352B module?
A: It enables communication between Tricon controllers and external devices like DCS, SCADA, and HMIs. -
Q: How is 4352B different from 4352A?
A: The 4352B offers improved protocol handling, higher throughput, and enhanced diagnostics. -
Q: Can the 4352B operate in redundant mode?
A: Yes, it is based on Triple Modular Redundancy (TMR) for fault-tolerant operation. -
Q: What types of communication interfaces are supported?
A: Ethernet, RS-232, and RS-485 interfaces are supported. -
Q: Is the 4352B suitable for SIL 3 applications?
A: Yes, it is certified for SIL 3 safety systems per IEC 61508. -
Q: How many communication modules can I use in one system?
A: Up to 8 communication modules can be installed in one Tricon chassis. -
Q: Does the module support hot-swapping?
A: Yes, it can be replaced without system shutdown. -
Q: What is the physical size of the 4352B module?
A: It measures 21 x 405 x 400 mm and weighs around 2.3 kg. -
Q: How can firmware be updated?
A: Firmware is upgradeable via an engineering workstation. -
Q: In which industries is the 4352B most commonly used?
A: It’s used in oil & gas, petrochemicals, power, water treatment, and pharmaceuticals.
Related Triconex Models (Same Series/Function)
| Model | Function | Protocol Support | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 4352A | Communication Module (Earlier Version) | Modbus, OPC, RS-232/RS-485 | 281 × 49 × 175 | 0.90 |
| 8312 | Communication Gateway Module | OPC, Modbus TCP/IP | 281 × 49 × 175 | 0.90 |
| 4351B | Main Processor Module for Tricon system | Internal bus only | 281 × 49 × 175 | 0.95 |
| 3008 | Logic Solver/Processor | Internal communications | 281 × 49 × 175 | 0.90 |
| 3706A | I/O Module for high-speed communication | High-speed serial | 281 × 49 × 175 | 0.92 |
| 3625 | Digital Input Module (TMR architecture) | 24 VDC digital input | 281 × 49 × 175 | 0.85 |
Popular Triconex Models
| Model | Function | Application | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|
| 3721 | Analog Input Module | Sensor signal acquisition | 281 × 49 × 175 | 0.95 |
| 3805E | Analog Output Module | Control valve actuation | 281 × 49 × 175 | 0.90 |
| 3664 | Digital Output Module | Final element control | 281 × 49 × 175 | 0.85 |
| T8311 | Trusted Processor Module | Safety logic processing | 281 × 49 × 175 | 1.00 |
| T8403 | Trusted Digital Input Module | Safety-critical inputs | 281 × 49 × 175 | 0.90 |
| T8151B | Trusted I/O Module | Industrial safety I/O | 281 × 49 × 175 | 0.95 |
