New Original Honeywell FC-USI-0001 Universal Safety Interface (USI) module

The Honeywell FC-USI-0001 is a Universal Safety Interface (USI) module for the Safety Manager and FSC (Fail Safe Control) systems within Honeywell’s Experion PKS process safety architecture. The module supports dual Ethernet and dual serial channels with Modbus RTU protocol and provides galvanic isolation between the Safety Manager backplane and external communication lines.

  • Item No :

    FC-USI-0001
  • Order(MOQ) :

    1 Piece
  • Payment :

    EXW/CIF
  • Product Origin :

    USA
  • Shipping Port :

    Wuhan
  • Lead Time :

    3-5days
  • Weight :

    3kg
  • Product Details

     
     
    Specification Description
    Manufacturer Honeywell
    Model FC-USI-0001
    Product Family Safety Manager / FSC
    Product Type Universal Safety Interface Module
    Processor Motorola 8260 Communication Processor 
    Memory 8 MB Flash, 4 MB Local SRAM with EDAC, 256 KB Shared RAM 
    Ethernet Ports 2 x Dual-Speed Fast Ethernet (10/100 Mbps) 
    Serial Channels 2 x RS232/RS422/RS485 (2-wire/4-wire configurable) 
    Serial Protocols Modbus RTU (Master/Slave), CANopen 
    Max Cable Length 15 m (RS232), 1200 m (RS422/RS485) 
    Isolation Galvanic isolation between backplane and external lines 
    Power Supply 5 V DC, 450 mA (internal) 
    Operating Temperature 0°C to +60°C 
    Storage Temperature -40°C to +85°C 
    Dimensions (W × H × D) 12.7 cm × 12.7 cm × 12.7 cm 
    Weight Approx. 0.8 kg 
    Safety Certification SIL 3 capable (IEC 61508) 
    Configuration Software Safety Builder 
    Country of Origin USA 
    Lifecycle Status Withdrawn – successor: FX-USI-0002 

    Related Product Model Recommendations

     
     
    Model Description Typical Application
    FC-USI-0001 (this model) Universal Safety Interface, dual Ethernet + dual serial Legacy Safety Manager/FSC communication gateway
    FC-USI-0002 Intermediate successor to FC-USI-0001 Legacy replacement path
    FE-USI-0002 Successor module (replaced FC-USI-0002) Legacy replacement path
    FX-USI-0002 Recommended replacement – dual Ethernet + serial, 4 channels Direct replacement for FC-USI-0001 (requires SM software R140.1+) 
    FC-RUSIO-3224 32-ch Universal Safety I/O Module SIS I/O for ESD, F&G, BMS 
    FC-SCNT01 Safety Manager SC Controller Module Central safety logic solver
    FC-QPP-0002 Quad Processor Pack Safety Manager CPU module 

    FAQs

    Q1: What is the primary function of the FC-USI-0001?

    It is a Universal Safety Interface (USI) module that acts as a secure communication gateway between the Safety Manager/FSC controller and external devices (DCS, PLC, HMI). It handles non-safety communication tasks such as reporting alarms, diagnostics, and process variables to supervisory systems, while maintaining galvanic isolation to protect the safety-critical controller.

    Q2: Is the FC-USI-0001 still in production?

    No. The FC-USI-0001 has been withdrawn by Honeywell. It was succeeded by the FE-USI-0002, and later by the FX-USI-0002, which is the current recommended replacement . The FX-USI-0002 is pin-compatible and functionally compatible, but requires Safety Manager software R140.1 or higher.

    Q3: What communication protocols does the FC-USI-0001 support?

    The module supports Modbus RTU (both Master and Slave) on its serial channels, and CANopen protocol. It features 2 x 10/100 Mbps Ethernet ports and 2 x configurable serial channels (RS232/RS422/RS485) .

    Q4: What is the FC-USI-0001 used for in a Safety Manager system?

    It is used for non-safety communication tasks, including connecting the Safety Manager to HMIs or DCS for monitoring, reporting alarm and diagnostic data, and transmitting process variables. It does not participate in the safety instrumented function (SIF) execution itself.

    Q5: Can the FC-USI-0001 be hot-swapped?

    Yes, provided the Safety Manager rack configuration supports redundant modules and firmware synchronization is fully complete before removal . The module is designed for high-reliability SIL-rated environments and supports online replacement in properly configured redundant systems.

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