TRICONEX 4351B
The TRICONEX 4351B module is a communication module manufactured by Triconex (now acquired by Schneider Electric) for use in its Tricon Safety Instrumentation System (SIS). As one of the core components of Tricon system, it is responsible for the communication between the systems to realize data exchange and information sharing.

Product name

Triconex 4351B communication module
Triconex 4351B Communication Module
Product description
The 4351B module is a key module in the Tricon system, which connects the Tricon system to other devices or systems, such as DCS, PLCS, Hmis, etc. With the 4351B module, Tricon systems can exchange data with other systems to integrate and share information, thereby improving the overall performance and reliability of the system.
Main function
Communication interface: Provides a variety of communication interfaces, support a variety of communication protocols, such as Modbus, Profibus and so on.
Data transfer: Implement data exchange between Tricon system and other systems.
Protocol conversion: Different communication protocols can be converted to facilitate system integration.


