Description
📋 Product Description
The Triconex TCM 4355X is identified as a communication module for Triconex safety and control systems. Triconex equipment is used in safety instrumented systems (SIS) and critical process applications across industries such as oil and gas, petrochemicals, power generation, and refining. Communication modules provide interfaces for exchanging data between compatible controllers, engineering workstations, and external control or monitoring systems, depending on the hardware version and configuration. Before ordering a replacement, verify the complete model number, controller generation, supported communication protocols, firmware compatibility, and connector arrangement against the installed system documentation.

TCM 4355X
⚙️ Product Parameters & Datasheet
- Brand: Triconex (Schneider Electric)
- Model: TCM 4355X
- Series: Tricon CX Safety Instrumented System
- Product Name: Tricon Communication Module
- Place of Manufacture: Verify from the individual unit’s nameplate
- Product Status: New Surplus / New – Open Box / Pre-Owned; confirm actual inventory condition
- Dimensions: Approximately 241 × 24 × 242 mm; verify against the specific hardware revision
- Weight: Approximately 1.26 kg; confirm the actual unit and packaging
- Country of Origin: Verify from the product label
- Power Requirements: Installed in a compatible Tricon CX chassis; confirm power specifications in the applicable hardware manual
- Ethernet Interfaces: Two network interfaces supporting copper or fiber connections, depending on the installed SFP configuration
- Serial Interfaces: Two galvanically isolated RS-232/RS-485 ports with DB-9 connectors
- Diagnostic Interface: One isolated RS-232 diagnostic port
- Serial Communication Speed: Up to 115.2 kbps per port
- Port Isolation: 500 VDC for specified serial and diagnostic interfaces
- Supported Protocols: TriStation, Modbus Client/Server, Modbus TCP/IP, TSAA, peer-to-peer communication, HART-IP, and SNTP, subject to configuration
- Installation: Compatible Tricon CX chassis slot
- Discontinued: Current lifecycle status requires confirmation with Schneider Electric
The interface details are based on available Triconex 4355X technical documentation and product specifications. Confirm chassis compatibility and the exact network interface configuration before replacement. <Cite refs={[“turn761344search12″,”turn761344search4″,”turn761344search2”]}/>
🔧 Recommended Triconex Models
- 4355X TCM — Communication module for compatible Tricon CX systems.
- 3009X — Triconex main processor module family.
- 3101 — Triconex control-system module; verify the specific function.
- MP3009X — Triconex processor-related product designation; confirm the complete part number.
- 8310 — Triconex power supply module.
- 8311 — Triconex power supply module family; verify the hardware revision.
- 8110 — Triconex chassis component; confirm the exact application.
- 8120X — Tricon CX main chassis for compatible system components.
- 2211 — Triconex communication media adapter; verify interface compatibility.
- 3301 — Triconex digital input module family.
- DI3301S2 — Triconex digital input module designation; confirm the exact version.
- 3723X — Triconex analog input module family.
- 3700A — Triconex analog input module.
- DO3401 — Triconex digital output module designation; verify the complete part number.
- Triconex TCM 4351B — Legacy Tricon communication module; not a direct substitute for the 4355X without a system compatibility check.
These are related Triconex system components, not guaranteed direct replacements. Before ordering, confirm the controller generation, chassis type, firmware, communication protocols, and exact part number. <Cite refs={[“turn761344search8″,”turn761344search13″,”turn761344search14”]}/>



