TRICONEX PLM3900N is triple modular redundant safety processor module for Triconex SIS safety instrument system, executes safety interlock logic, widely used for petrochemical ESD emergency shutdown system spare replacement parts.

Product Overview

TRICONEX PLM3900N is core TMR triple‑modular‑redundant safety processor module for Triconex safety instrumented system. It adopts triple channel hardware voting architecture, undertakes safety logic operation, signal processing, fault judgment and system management. Cooperate with various I/O modules to realize ESD emergency shutdown, FGS fire‑gas monitoring and other safety‑critical control functions. Built‑in comprehensive hardware self‑diagnosis, single‑point fault can not cause system shutdown. Rack plug‑in hot‑swap design, it is critical spare hardware for high‑reliability safety control system in petrochemical, oil‑gas and power industry.

Key Features

• Triple Modular Redundancy (TMR) three‑channel voting architecture, realize fault‑tolerant safety control
• SIL3 safety integrity level certified, comply with IEC 61508 functional safety standard
• Execute safety interlock logic, process field I/O signals, complete fault judgment and protection output
• Comprehensive channel‑level self‑diagnosis function, fast fault location and alarm reporting
• Rack plug‑in hot‑swap design, implement online replacement without system shutdown
• Support redundant configuration, improve whole‑system availability for continuous process plant

• High anti‑interference performance, adapt to harsh electromagnetic environment of industrial site

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Technical Specifications

• Manufacturer: TRICONEX
• Model: PLM3900N
• Architecture: Triple Modular Redundancy (TMR)
• Safety Level: SIL3 IEC 61508
• Installation: Rack plug‑in, hot‑swappable
• Power Supply: Powered by system backplane
• Operating Temperature: 0℃ ~ +60℃
• Certification: CE, UL, TÜV SIL3

• Application: SIS safety instrument system, ESD emergency shutdown system, FGS fire‑gas system

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Compatibility & Application

Compatible with TRICONEX Trident series chassis and matching I/O modules. Mainly applied in petrochemical, oil‑gas, power plant industries, used for safety instrument system, emergency shutdown system and fire‑gas protection system, serves as maintenance spare‑part replacement for safety control rack.