TRICONEX 4351A Industrial Communication Module
Product Overview
The TRICONEX 4351A is a dedicated communication interface module built for the Tricon series of safety and automation controllers. It enhances system communication capabilities by offering multiple connectivity options and broad protocol support. With its industrial‑grade hardware design, the 4351A module ensures dependable performance for critical control applications.
Key Features
Multi‑interface connectivity including four serial ports and two Ethernet ports for flexible system integration.
Wide protocol support including TriStation, Modbus RTU and TCP/IP, SNTP, TSAA and other industrial standards.
High port isolation for enhanced electrical noise tolerance and system reliability.
Status indicator LEDs for network and communication diagnostics.
Designed for compatibility with Tricon system network infrastructure and communication architectures.
Technical Specifications
Specification Details
Module Model TRICONEX 4351A
Module Type Communication Interface Module
Serial Ports 4 × RS‑232/RS‑485 (DB‑9 connectors)
Ethernet Ports 2 × 10/100BaseT (RJ‑45)
Port Isolation 500 VDC
Protocol Support TriStation, Modbus, TCP/IP, ICMP, SNTP, TSAA, Trimble GPS, Peer‑to‑Peer Time Sync, Jet Direct
Communication Speed Ethernet: 10/100 Mbps; Serial: up to 115.2 Kbps
Status Indicators PASS, FAULT, ACTIVE, FIRM, LINK, TX, RX

Industrial Applications
The TRICONEX 4351A module is widely implemented in process automation environments where reliable communication between controllers and field devices is essential. Typical application areas include:
Process control systems requiring robust network connectivity.
SCADA systems for remote monitoring and control.
Integration of legacy serial devices with modern Ethernet‑based networks.
Industrial data logging and remote protocol conversion.
Integration & Compatibility
This communication module seamlessly integrates with Tricon safety systems and offers support for key industry standard protocols. The dual Ethernet and multiple serial interfaces provide flexible connectivity in distributed network architectures. The module’s built‑in protocol support enables interaction with controllers, devices, and external monitoring systems, enabling streamlined data exchange and operational efficiency.