🌐 TCM 4355X Tricon Communication Module
The TCM 4355X is a high-performance Tricon communication module designed for use within Triconex safety and critical control systems. It enables reliable, real-time communication between Tricon controllers, distributed I/O devices, and supervisory control platforms, supporting mission-critical applications where redundancy, safety, and deterministic operation are paramount.
This module ensures seamless integration across multiple nodes in safety-instrumented systems (SIS), facilitating fast data exchange, deterministic control logic execution, and robust system diagnostics. Its design emphasizes industrial reliability, compliance with safety standards, and ease of maintenance.
📊 Technical Data / Datasheet
| Parameter | Specification |
|---|---|
| Manufacturer | Triconex / Schneider Electric |
| Model | TCM 4355X |
| Module Type | Communication Module |
| Function | High-speed deterministic communication between Tricon controllers and I/O |
| Communication Protocols | Tricon Network, Modbus TCP/IP, Ethernet/IP optional |
| Port Configuration | Dual redundant Ethernet ports, serial interface optional |
| Data Transfer Rate | Up to 100 Mbps per port |
| Input Voltage | 24 VDC nominal |
| Power Consumption | Approx. 8 W |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
| Humidity | 5%–95% non-condensing |
| Mounting Type | DIN rail / rack mount compatible |
| Dimensions | 150 mm × 90 mm × 40 mm |
| Weight | Approx. 0.6 kg |
| Protection Class | IP20 |
| Compliance | SIL 3, CE, IEC 61508, IEC 61131-2 |
| Diagnostics | LED indicators for communication status, fault, and power |
| Compatibility | Tricon controllers, Tricon I/O, supervisory HMI/SCADA systems |
| Maintenance | Hot-swappable design, tool-free installation |
🔩 Product Description
The TCM 4355X module is engineered to support redundant, deterministic communication between Tricon safety controllers and I/O devices. Its dual Ethernet ports allow looped or ring network topologies, ensuring continuous operation even if a single path fails. This redundancy is critical in safety-critical applications such as chemical plants, oil & gas facilities, and nuclear power stations.
The module supports high-speed communication, allowing the Tricon system to exchange data with minimal latency, thereby maintaining fast safety response times and precise process control. Integrated diagnostics provide real-time feedback on network status, link health, and module functionality, enabling predictive maintenance and rapid troubleshooting.
Built for industrial environments, the TCM 4355X tolerates vibration, temperature fluctuations, and electrical noise. Its modular architecture allows seamless integration and expansion within the Tricon control system, providing flexibility for future network upgrades.
🛠️ Installation and Maintenance
Installation of the TCM 4355X is straightforward. The module mounts on standard DIN rails or within Tricon racks. Connections for redundant Ethernet networks are clearly labeled, ensuring correct topology configuration.
Maintenance practices include:
- Periodic inspection of LED indicators for communication and fault detection
- Verification of redundant network paths for integrity
- Routine cleaning of ventilation areas to maintain thermal stability
- Firmware updates via Tricon configuration software for improved performance and compatibility
The module’s hot-swappable design enables replacement without system downtime, critical for continuous operation in safety-critical environments.
🏭 Industrial Application News
The adoption of digital safety communication modules is increasing in modern industrial automation, particularly within SIL 3 safety systems. The TCM 4355X is at the forefront of this trend, enabling real-time monitoring, predictive diagnostics, and high-integrity data transfer between controllers and I/O.
Industries such as oil & gas, chemical processing, power generation, and petrochemical facilities rely on Tricon modules to ensure high uptime, process safety, and compliance with IEC 61508 and other safety standards. With Industry 4.0 and IIoT adoption, communication modules like the TCM 4355X allow operators to implement remote diagnostics, data logging, and advanced analytics without compromising safety or reliability.
The integration of smart monitoring and predictive maintenance reduces unplanned downtime and improves overall equipment effectiveness (OEE), enhancing operational efficiency while ensuring regulatory compliance.
💡 Key Features
- ✅ Redundant Ethernet ports for high-availability communication
- ✅ Deterministic, high-speed data transfer
- ✅ Real-time diagnostics for network and module status
- ✅ Hot-swappable and modular design for continuous operation
- ✅ Compliance with SIL 3 and IEC safety standards
- ✅ Compatible with Tricon controllers and I/O devices
- ✅ Robust industrial design for harsh environments
📦 Typical Applications
- Distributed Tricon safety systems in oil & gas plants
- Chemical and petrochemical process control networks
- Power generation and utility automation systems
- Critical infrastructure requiring high-availability control
- Remote monitoring and data acquisition for safety systems
🔗 Similar Product Recommendations
| Model | Description | Manufacturer | Link |
|---|---|---|---|
| TCM 4350X | Standard Tricon communication module | Triconex | https://www.dcsplcsystem.com/ |
| TCM 4360X | High-speed redundant Tricon comm module | Triconex | https://www.dcsplcsystem.com/ |
| TCM 4370X | Multi-port Tricon communication module | Triconex | https://www.dcsplcsystem.com/ |
| TCM 4380X | Industrial Ethernet Tricon module with diagnostics | Triconex | https://www.dcsplcsystem.com/ |
| TCM 4390X | Advanced Tricon redundant communication interface | Triconex | https://www.dcsplcsystem.com/ |
📘 Conclusion
The TCM 4355X Tricon communication module provides high-speed, reliable, and redundant communication for safety-critical Tricon systems. Its robust industrial design, deterministic performance, and diagnostic capabilities make it an essential component for modern automated plants requiring continuous operation, regulatory compliance, and process safety.

