The TRICONEX 4351B Communication Module (TCM) is an important communication module in the Triconex safety instrument system, mainly used to achieve two-way communication between the Triconex system and other devices and systems.

 It is equipped with four serial ports and two network ports, with port isolation of 500VDC. 

It supports multiple communication protocols, such as TriStation, Modbus, TCP/IP, ICMP, SNTP, TSAA, Trimble GPS, etc., and can meet the needs of different application scenarios. 

This module is only compatible with Tricon v10.0 and later versions of the system. Although it does not have a hot standby function, it can be replaced when the controller is online.

 Its robust design enables it to operate stably in harsh industrial environments.

Parameter

Port type and quantity: 4 serial ports, which are RS-232/RS-485 ports, using DB-9 connectors; There are 2 network ports, which are 10/100BaseT Ethernet ports and use RJ-45 connectors.

Port isolation: 500VDC.

Communication protocols: Supports TriStation, Modbus, TCP/IP, ICMP, SNTP, TSAA (supporting IP multicast), Trimble GPS, Peer-to-Peer (UDP/IP), and other protocols.

Data transmission rate: Up to 115.2Kbps for each serial port, and 10/100 MBPS for the Ethernet port.

Application fields

Oil and gas: Used for equipment monitoring and process control, such as monitoring the status of wellhead equipment and transportation pipelines in oil and gas extraction.

Chemical industry: It can be used for process monitoring in hazardous environments, such as parameter monitoring and control of equipment like reaction vessels and distillation columns in chemical production.

Electricity: It is applicable to the connection and control of equipment such as generators and transformers, as well as energy data management in smart grids, 

such as connecting photovoltaic inverters through the Modbus protocol to achieve centralized data management.

Nuclear energy: It is used for safety monitoring in nuclear power plants to ensure the stable operation and safety protection of all systems in nuclear power plants.

Metallurgy: It plays a role in the automatic control of the steel manufacturing process, such as connecting the temperature acquisition module in the blast furnace control system to achieve dynamic monitoring of the furnace temperature.

Safety-critical applications: It can be used for fire alarm, gas leakage detection, emergency shutdown systems, etc. For example, connecting the ESD controller to the main DCS system of the factory for monitoring and data recording.

Triconex is a brand under Schneider Electric, providing products, systems and services for safety, critical control and turbomachinological applications. 

Triconex also names its hardware devices that use the TriStation application software after itself. Triconex products are based on the patented triple module Redundancy (TMR) industrial safety shutdown technology. Currently, 

Triconex TMR products have been put into use at over 11,500 installation sites worldwide.

The EcoStruxure Triconex Safety Instrumented System (SIS) is a component of the EcoStruxure Plant, which is our open architecture based on the Internet of Things, designed to provide actionable business insights. 

With over 40 years of continuous safe operation, the EcoStruxure Triconex safety instrumented system has achieved over 1 billion hours of safe operation time.

The "Universal System" Tricon CX has been certified by TUV Rheinland as Safety Integrity Level 3(SIL3) and can be used in all safety and critical control applications. 

Proven in the most demanding industries and the most challenging applications, the "EcoStruxure Triconex Security System" can provide high performance throughout the entire life cycle.

Recommended products and services

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How to purchase

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