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    EcoStruxure™ Triconex® - Universal I/O Field Enclosures

    Simple, Fast, Flexible I/O Marshalling

    Standard off-the-shelf universal I/O field enclosures are ideal for applications requiring modular, cost-effective distributed I/O.

    Up to 64 individually configurable, SIL3 triple modular redundant I/O channels in a standard cabinet design greatly simplify traditional I/O design tasks, provide maximum system flexibility and plant availability.


Designed for use outdoors (including hazardous areas), universal I/O field enclosures provide the flexibility to distribute I/O where and when required. The use of standard, pre-tested enclosures can:

  • Reduce system design, engineering and documentation
  • Be shipped, installed and wired early for faster project execution and start-up
  • Be located close to field instruments, reducing field cabling and installation costs.


  • TÜV certified, SIL3 universal safety I/O
  • Up to 64 TMR I/O points, each user-configurable for:
    • Supervised Digital Input, 24 VDC with 1 ms SOE capability
    • Supervised Digital Output, 24 VDC
    • Analog Input, 0-20 mA with or without HART pass-through
    • Analog Output, 0-20 mA with or without HART pass-through
  • Protect against harsh environments and hazardous locations:
    • NEMA 4X / IP66 rated
    • Corrosion resistance
      • Electronics: ISA-71.04, G3 level
      • Enclosure: UL50E and SATM B117
    • ATEX Zone 2
    • Class 1, Division 2
  • Available in 24 VDC, 120 VAC and 240 VAC incoming power options
  • Serial (RS-485) and fiber-optic (single mode or multi-mode) communications:
    • Support star and daisy chain network topologies
    • Up to 70 km (fiber)
  • Choice of multi-cable transits
    • 64, 96 and 128 cables
  • Adaptive field termination panels


Safety and critical control

  • Emergency shutdown (ESD)
  • Fire and gas (F&G)
  • Burner management systems (BMS)
  • High-integrity Pressure Protection (HIPPS)
  • Critical control and protection
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