Triconex TCM 4355X
Triconex TCM 4355X
Triconex TCM 4355X
Triconex TCM 4355X
Triconex TCM 4355X
Triconex TCM 4355X
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TCM 4355X

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Triconex 4355X is a communication module designed for industrial control systems, providing multi-protocol connectivity and high-reliability data exchange across distributed automation environments. It supports redundant and safety-oriented communication architecture with SIL3 compliance for critical applications.
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Technical specifications for TCM 4355X

  • Manufacturer:
    Invensys
  • Part Number:
    TCM 4355X
  • Product Family:
    Triconex
  • Product Type:
    Communication Module
  • Network ports:
    4 Ethernet ports (Net 1~4), supporting 10/100/1000 Mbps.
  • Serial ports:
    4 isolated RS-485 serial ports, 1 RS-232 diagnostic port.
  • Power consumption:
    < 20 W.
  • Safety level:
    Compliant with SIL 3 (IEC 61508). SIL Rating: SIL3 peer-to-peer communication (up to 254 nodes)
  • Communication Protocols:
    OPC DA, OPC A&E (external server), Modbus TCP/IP (master/slave), Modbus Serial (master/slave), Triconex TSAA
  • Certification:
    TÜV-certified SIL3
  • Operating Temperature:
    -20°C to 60°C (-4°F to 140°F) ambient
  • Storage Temperature:
    -40°C to 75°C (-40°F to 167°F)
  • Weight:
    1.28 kg
  • Estimated shipping dimensions:
    5x20.5x24.6cm
  • Tariff Code:
    8519811200
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Connectivity Application Scenarios Compliance

Features:

  • Supports multi-protocol industrial communication including OPC, Modbus, and Triconex TSAA for flexible system integration.
  • Provides SIL 3 certified safety communication with support for up to 254 peer-to-peer nodes in distributed architectures.
  • Equipped with multiple Ethernet, RS-485, and RS-232 interfaces for comprehensive connectivity across industrial networks.
The Triconex 4355X is designed to meet the demands of modern industrial automation systems requiring reliable and scalable communication infrastructure. It integrates multiple Ethernet and serial interfaces to support diverse industrial network architectures. The module is engineered for environments where stable and continuous data exchange is critical. Its SIL 3 compliance ensures it meets strict safety requirements in industrial control applications. Overall, it provides a unified communication solution for complex system integration needs.

The Triconex 4355X supports a wide range of industrial communication protocols, enabling seamless interaction between different control and monitoring devices. It can connect PLCs, HMIs, and supervisory systems within a unified network structure. Its ability to handle both copper and fiber optic media increases deployment flexibility. The module is also capable of operating in demanding environmental conditions without compromising performance. This makes it suitable for large-scale industrial automation networks.

In distributed control systems, the Triconex 4355X enhances system coordination through high-capacity peer-to-peer communication. It supports up to 254 nodes, enabling extensive system scalability. Its redundant communication design improves operational stability in critical applications. The module is also compatible with Tricon CX system architectures, allowing online replacement without stopping operations. This ensures continuous system availability in industrial environments.

The TCM 4355X Triconex Communication Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Triconex TCM 4355X Communication Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Triconex TCM 4355X Communication Module Specs

General

  • Manufacturer Triconex
  • Model TCM 4355X
  • Condition New Original ready stock
  • Product Family SDO 3411,RO 3451 S2,EPI 3382 S2
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Flexible and Adaptive Media: Supports hybrid deployment of copper cables and fiber optic modules via SFP interfaces, allowing flexible selection of physical links based on field transmission distance and electromagnetic interference environment.
  • Industrial Network Convergence: Supports seamless integration of safety systems into Ethernet architecture, enabling interconnection with third-party PLCs, analyzers, and various intelligent instruments via the TSAA protocol.
  • Redundant Path Management: The four physical network ports support multiple redundant topology configurations. In the event of a single communication line failure, the connection automatically switches to a backup path without data loss.
  • Serial Device Integration: Built-in isolated RS-485 interface allows the system to directly connect legacy serial bus devices, enabling digital asset integration.
  • Safety Instrumented Integration: Serves as a high-speed communication bridge between Tricon controllers and plant DCS systems (such as Foxboro Evo or Honeywell Experion), enabling real-time secure uploading of production data.
  • Critical Equipment Monitoring: Connects large rotating machinery such as turbine controls and compressor anti-surge systems, providing highly reliable operational status monitoring via Modbus or OPC protocols.
  • Remote Peer-to-Peer Communication: Establishes a secure point-to-point (P2P) network between multiple isolated Tricon nodes for cross-regional emergency shutdown (ESD) signal synchronization.
  • Operator Station Access: Provides physical interfaces for HMIs and engineering workstations, supporting online modification, loading, and operational diagnostics of the control system using TriStation software.
  • Security Integrity Certification: The entire lifecycle development complies with IEC 61508 standards and is TÜV certified, meeting the stringent SIL 3 requirements for communication determinism and reliability.
  • Harsh Environmental Resistance: The circuit board undergoes a special coating treatment, meeting the G3 corrosion resistance standard defined by ISA S71.04, allowing deployment in heavy industrial environments with corrosive gases.
  • Electromagnetic Compatibility Standards: CE marking and relevant North American EMC certifications ensure that communication packets are not dropped or distorted in high-voltage, inverter-dense, and highly interference-prone environments.
  • Network Security Compliance: The design follows industrial control security specifications, possessing basic data flow filtering capabilities. Physical isolation and logical verification ensure that critical control networks are protected from unauthorized external intrusion.
Description
The Triconex 4355X communication module is built to support multi-network integration within complex industrial control infrastructures. It features four Ethernet ports operating at 10/100/1000 Mbps, enabling flexible high-speed network connectivity. In addition, it provides four isolated RS-485 serial ports along with one RS-232 diagnostic interface for system-level communication and maintenance access. Its design supports multiple industrial communication standards including Modbus TCP/IP and OPC-based protocols.

The Triconex 4355X is compliant with SIL 3 requirements according to IEC 61508, ensuring suitability for safety-critical environments. It also supports SIL3 peer-to-peer communication across up to 254 nodes, enabling large-scale distributed system integration. Communication flexibility is further enhanced through support for Modbus serial master/slave operation and Triconex TSAA protocol compatibility. These features allow it to interface with a wide range of automation and supervisory systems.

Operating within demanding industrial conditions, the Triconex 4355X is designed for robust environmental performance, with an operating temperature range from -20°C to 60°C and storage capability from -40°C to 75°C. It also supports relative humidity from 5% to 95% non-condensing and is rated for corrosive environments according to ISA S71.04 Class G3. The module consumes less than 20 W of power and supports copper and fiber optic transmission media for flexible deployment options.
Alternative Names
3481 3381 3382 S2 3411
Technical notes
Triconex 4355X is a communication module with 4 Ethernet ports (10/100/1000 Mbps), 4 isolated RS-485 serial ports, 1 RS-232 diagnostic port, power consumption < 20 W, SIL 3 compliance per IEC 61508, SIL3 peer-to-peer communication up to 254 nodes, supports OPC DA, OPC A&E, Modbus TCP/IP master/slave, Modbus Serial master/slave, Triconex TSAA, copper and fiber optic transmission media, operating temperature -20°C to 60°C, storage temperature -40°C to 75°C, relative humidity 5% to 95% non-condensing, and ISA S71.04 Class G3 corrosive environment rating.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why is the Triconex 4355X suitable for safety-critical systems?
Why is the Triconex 4355X suitable for safety-critical systems?
How does the 4355X handle multi-protocol communication?
It supports OPC DA, OPC A&E, Modbus TCP/IP, Modbus Serial, and Triconex TSAA protocols. This allows integration with a wide range of PLCs, HMIs, and supervisory systems.
What makes the network capability of Triconex 4355X flexible?
It supports both copper and fiber optic transmission media along with multiple Ethernet ports. This enables adaptable deployment in different industrial network topologies.

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