4355X Triconex DCS control module

• Brand
  Triconex
• Model
  4355X
• Product Name
  Safety Communication / Trip Completion Module
• Country of Origin
  United States
• HS Code
  8537101100
• Dimensions
  241.3mm*24.4mm*241.8mm
• Weight
  1.26 kg (2.78 lb)
• Operating Temperature
  −40 °C to +85 °C
• Storage Temperature
  −40 °C to +85 °C
• Humidity
  5%–95% RH
• Warranty
  12 month
• Product Status
  New and original

Triconex 4355X Product Overview and Technical Specifications

Inputs:
32 differential digital inputs (DC-coupled), 0-5 VDC or -5-+5 VDC range

Input update rate: 10 ms

1*RS-232/485 serial input for local configuration

Outputs:

2 × Ethernet ports (100BASE-TX/1000BASE-T copper; 100BASE-FX/1000BASE-X fiber via SFP)

1 × PROFIBUS DP interface (up to 12 Mbps)

Modbus TCP/IP, Modbus RTU, and Ethernet/IP protocol support

Power Supply:

Voltage: 19.2-28.8 VDC (nominal 24 VDC)

Consumption: 5 W typical

Redundant power input support

Enclosure Rating: IP20 (front)

Certifications: CE, UL, ATEX, IECEx, IEC 61508 SIL 3

Product Advantages:

Unmatched Reliability: TMR design eliminates single points of failure in safety loops

Seamless Integration: Multi-protocol support connects to DCS, SCADA, and third-party systems

Reduced Downtime: Hot-swap and diagnostic tools simplify maintenance

Harsh Environment Durability: Wide temperature and humidity tolerance for industrial settings

Safety Compliance: SIL 3 certification meets global safety standards for process industries

Applications:

Oil & Gas: Emergency shutdown (ESD) systems for refineries, pipelines, and offshore platforms

Power Generation: Boiler protection, turbine overspeed protection, and BMS in thermal power plants

Chemical & Petrochemical: Reactor safety interlocks and process safety monitoring

Pharmaceuticals: Critical process safety and equipment protection

Core Functions:

Safety Communication: Transmits safety-critical data between Triconex SIS and external systems

Trip Execution: Monitors and executes safety trips (ESD, fire & gas) with 10 ms response

System Monitoring: Real-time health monitoring of TMR modules, power supplies, and communication links

Event Logging: Stores up to 512 events with 1 ms resolution for post-incident analysis

Configuration: Local/remote setup via serial or Ethernet ports with user-friendly software

Key Features:

Triple Modular Redundancy (TMR): Fault-tolerant architecture ensures continuous operation despite single-component failures

High-Speed Communication: Gigabit Ethernet and PROFIBUS DP for real-time safety data exchange

Comprehensive Diagnostics: Built-in self-diagnostics with LED indicators and event logging

Hot-Swap Capability: Online replacement without system shutdown

SIL 3 Compliance: Certified for safety-critical applications per IEC 61508