Product Description
Product Overview
The Triconex 4351B is a Tricon Communication Module (TCM) designed for use within the Tricon safety instrumented system (SIS) by Triconex, a brand under Schneider Electric (formerly Invensys). This module facilitates communication between the Tricon system and external devices, supporting multiple protocols such as Modbus and TriStation over serial and Ethernet interfaces. It integrates with the Triple Modular Redundant (TMR) architecture, ensuring fault-tolerant data exchange for safety-critical applications in industries like oil & gas, petrochemical, and power generation.
Technical Specifications
The 4351B has the following specifications based on standard characteristics for this model:
| Item | Specification |
|---|---|
| Model/Part Number | 4351B |
| Manufacturer | Triconex (Schneider Electric) |
| Description | Tricon Communication Module (TCM) |
| Series | Tricon SIS |
| Serial Ports | 4 (RS-232, RS-422, or RS-485 configurable) |
| Ethernet Ports | 2 (10/100 Mbps, RJ45 copper) |
| Protocols | TriStation, Modbus, TCP/IP, ICMP, SNTP, TSAA |
| Data Rate | Up to 460.8 kbps aggregate (all serial ports) |
| Power Supply | 24 VDC (via Tricon chassis backplane) |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Weight | 0.8 kg |
Additional Details
The 4351B includes the following additional information based on its standard use and documentation:
| Category | Details |
|---|---|
| Function | Enables communication between Tricon system and external devices |
| Mounting | Installs in Tricon chassis (e.g., Model 8110 or 8111) |
| Compatibility | Tricon Main Processors (e.g., 3008), Modbus devices, TriStation software |
| Features | Supports TMR architecture, hot-swappable, port isolation (500 VDC) |
| Certifications | Meets IEC 61508 SIL 3, UL, and CE standards |
| Part Type | New, surplus, or refurbished |