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TRICONEX 4351B｜Communication Module｜
TriconeX 4351B is the Tricon Communication Module (TCM) of the Triconex Tricon Safety Instrumented System (SIS), used to achieve highly reliable communication between the system and external devices/upper computers. It adopts a Triple Redundancy (TMR) architecture and is SIL 3 certified.
1、 Core positioning and architecture
Product Type: Tricon Communication Module (TCM)
Series: Triconex Tricon Safety Control System
Core architecture: Triple Modular Redundancy (TMR), three independent communication channels for voting, single point failure does not affect communication
Safety level: SIL 3 (IEC 61508/IEC 61511)
Main functions: data exchange between systems, remote monitoring, configuration and diagnosis
2、 Key technical specifications
Parameter specifications
Communication interface 2 x RJ45 Ethernet (10/100 Mbps); 4 x Serial Port (RS-232/RS-485)
Supports protocols Modbus TCP/IP, TriStation, SNTP, TSAA, Modbus RTU
Port isolation 500 VDC electrical isolation between ports
Processor 32-bit, 33 MHz
1 MB RAM, 4 MB Flash
Power supply 24 V DC (redundant power supply)
Power consumption ≤ 10 W
Working temperature -20 ° C to+70 ° C
Certified SIL 3, CE, UL, FCC, RoHS
Size standard Tricon rack installation
Weight approximately 1 kg
3、 Main functions and features
Triple redundant communication: TMR architecture, communication link with no single point of failure risk
Multi protocol compatibility: Supports both Ethernet and serial communication, compatible with multiple industrial networks
Port isolation: Strong electrical isolation, anti-interference, anti crosstalk, improves communication stability
Real time diagnosis: Built in link status, fault detection, and alarm for easy maintenance
Hot swappable: supports online replacement without affecting system operation
Secure Communication: Supports data encryption and authentication to ensure secure transmission of critical data
4、 Typical application scenarios
Oil and gas: ESD system and SCADA/PLC communication, remote monitoring
Oil refining/chemical industry: uploading safety interlock system data for reactors and distillation towers
Electricity: Communication between boiler/turbine protection system and DCS
Nuclear Power/Metallurgy: Remote Diagnosis and Alarm of Key Equipment Safety Status
TRICONEX 4351B｜Communication Module｜
By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.
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