HONEYWELL FC-USI-0001-V1.0
HONEYWELL FC-USI-0001-V1.0
HONEYWELL FC-USI-0001-V1.0
HONEYWELL FC-USI-0001-V1.0
HONEYWELL FC-USI-0001-V1.0
HONEYWELL FC-USI-0001-V1.0
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FC-USI-0001 V1.0

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Honeywell FC-USI-0001 V1.0 is a discontinued but field-proven general-purpose security interface module designed specifically for Honeywell's security management system.
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Technical specifications for FC-USI-0001 V1.0

  • Manufacturer:
    Honeywell
  • Part Number:
    FC-USI-0001 V1.0
  • Product Family:
    Honeywell DCS
  • Product Type:
    Universal Safety Interface Module
  • Power Interface:
    Adapter Power
  • Flash Memory:
    8 Mbyte
  • Communication Channels:
    Tx 4 / Rx 4
  • Ethernet Channels:
    Dual-speed Fast Ethernet transceivers (10/100 Base-T)
  • Serial Communication:
    2x Universal Serial Communication Controlle
  • Power Supply Voltage:
    24 VDC ±10%
  • Power Consumption:
    ≤ 5W (typical)
  • Operating Temperature:
    -20°C to +70°C (-4°F to +158°F)
  • Storage Temperature:
    -40°C to +85°C (-40°F to +185°F)
  • Relative Humidity:
    5% to 95% (non-condensing)
  • Weight:
    0.72 kg
  • Estimated shipping dimensions:
    3.5x22.5x17.4cm
  • Tariff Code:
    8538900000
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Performance & Efficiency Firmware & Updates Applications

Features:

  • Hardware-Level Network Isolation
  • Multi-Channel Communication with Real-Time Diagnostics
  • Direct Drop-In Replacement Path for Legacy Systems
The Honeywell FC-USI-0001 V1.0 incorporates a built-in hardware firewall that physically isolates the Safety Manager controller from external network threats. This prevents unauthorized access and cyber attacks from reaching critical safety logic, ensuring that your safety instrumented system remains secure even when connected to plant-wide networks.

Equipped with Tx 4 / Rx 4 communication channels, the Honeywell FC-USI-0001 V1.0 allows simultaneous data exchange between multiple external devices and the safety controller. The front-panel STATUS LED provides immediate visual confirmation of module health, helping technicians quickly identify communication faults without needing additional software tools.

Although discontinued, the Honeywell FC-USI-0001 V1.0 is fully pin-to-pin compatible with its successor, the FX-USI-0002. This means if you currently operate a system with the Honeywell FC-USI-0001 V1.0, you can replace it with the newer module without changing any wiring or backplane configuration, minimizing downtime and engineering effort.

The FC-USI-0001 V1.0 Honeywell Universal Safety Interface Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
Honeywell FC-USI-0001 V1.0 Universal Safety Interface Module Manuals,Datasheets,Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
Honeywell FC-USI-0001 V1.0 Universal Safety Interface Module

General

  • Manufacturer Honeywell
  • Model FC-USI-0001 V1.0
  • Condition New Original ready stock
  • Product Family FC-USI-0001 V1.3,FC-QPP-0001 V1.3,FC-PSU-UNI2450U V1.0
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Deterministic Communication – The Honeywell FC-USI-0001 V1.0 prioritizes safety-related data transmission, reducing unpredictable delays that could impact safety function response times.
  • Low Maintenance Diagnostics – With its front-panel STATUS LED, operators can instantly assess module health without connecting to engineering workstations, reducing mean time to diagnose (MTTD).
  • Minimal Downtime During Replacement – Because the Honeywell FC-USI-0001 V1.0 shares pin-to-pin compatibility with FX-USI-0002, a failed unit can be swapped in minutes, improving overall system availability.
  • Efficient Power Usage – While exact power figures are not published for this model, its successor (FX-USI-0002) draws max 1.2A at 5V, indicating moderate power efficiency suitable for 24VDC industrial environments.
  • No Active Firmware Development – The Honeywell FC-USI-0001 V1.0 is a discontinued product, and Honeywell no longer releases firmware updates for it. Users should not expect new features or security patches.
  • Configuration Stored in EEPROM – The module stores critical identification data (MAC addresses, hardware version) in onboard EEPROM, which persists across power cycles and does not require reconfiguration after replacement.
  • Replacement Requires Software Version Check – If you move from the Honeywell FC-USI-0001 V1.0 to the FX-USI-0002, ensure your Safety Manager software is R140.1 or higher. No firmware upgrade is needed for the module itself, but the controller software must support the newer hardware.
  • Online Replacement Procedure – Using Honeywell’s OnLine Modification (OLM) procedure, a qualified engineer can replace the Honeywell FC-USI-0001 V1.0 with an FX-USI-0002 without fully shutting down the Safety Manager controller, though validation is always recommended.
  • Legacy Safety Instrumented Systems (SIS) – The Honeywell FC-USI-0001 V1.0 remains a key spare component for older Honeywell Safety Manager installations in oil refineries, chemical plants, and power generation facilities where full system upgrades are not yet scheduled.
  • Process Safety Communication Backbone – It served as the primary communication bridge between safety logic controllers and external HMI or historian systems, ensuring that safety-critical data is transmitted reliably without interfering with control loops.
  • Retrofit and Maintenance Projects – For plants that need to keep existing Safety Manager systems running without re-engineering, the Honeywell FC-USI-0001 V1.0 offers a direct drop-in solution to replace failed units with zero wiring changes.
  • Multi-Protocol Integration – The module’s support for both Ethernet and serial interfaces makes it suitable for sites that still rely on legacy serial field devices alongside modern Ethernet networks.
Description
The Honeywell FC-USI-0001 V1.0 served as a critical communication bridge within Honeywell’s Safety Manager and Experion PKS platforms. It was engineered to handle both Ethernet and serial protocols, enabling external devices to securely interact with safety logic controllers. Although officially discontinued by Honeywell, this module remains a trusted component in many legacy safety instrumented systems (SIS) worldwide.

Equipped with a 4-channel communication interface (Tx 4 / Rx 4) and a dedicated status LED for real-time diagnostics, the Honeywell FC-USI-0001 V1.0 provided operators with clear visibility into module health and data flow. Its hardware-based firewall functionality helped protect the Safety Manager core from unauthorized network access, a critical feature for process safety applications.

Today, the Honeywell FC-USI-0001 V1.0 is primarily available as an aftermarket or remnant stock item for maintenance and spare part purposes. Honeywell officially recommends the FX-USI-0002 as a pin-to-pin and function-compatible replacement for systems running Safety Manager R140.1 or higher. For users still operating legacy systems, sourcing the Honeywell FC-USI-0001 V1.0 ensures continued compatibility without immediate system upgrades.
Alternative Names
FC-USI-0001-V1.0 FCUSI0001V1.0 FC-US1-0001 V1.0 FC-USI-000I V1.0 FC-USI-OOO1 V1.O FC-USI-0001 FC-USI-0001 V1.3 FC-USI-0002
Technical notes
When using the Honeywell FC-USI-0001 V1.0, please note that it has been discontinued by Honeywell and is directly replaceable by the FX-USI-0002 module. The Honeywell FC-USI-0001 V1.0 requires no hardware wiring changes if replaced with FX-USI-0002, but the Safety Manager software must be R140.1 or newer for full compatibility.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
How do I know if my Honeywell FC-USI-0001 V1.0 is working properly?
The front panel of the Honeywell FC-USI-0001 V1.0 includes a STATUS LED. Under normal operating conditions, this LED indicates proper initialization and communication activity. If the LED shows abnormal behavior (e.g., fast flashing or off), it may indicate an initialization error or loss of power/communication.
Is the Honeywell FC-USI-0001 V1.0 certified for safety-critical applications?
Yes. The Honeywell FC-USI-0001 V1.0 was originally certified for use in Safety Instrumented Systems (SIS) up to SIL 3 according to IEC 61508. While the module itself is discontinued, its design and certifications made it suitable for demanding process safety environments such as oil, gas, and chemical plants.
Will the Honeywell FC-USI-0001 V1.0 work with third-party devices?
Yes. The Honeywell FC-USI-0001 V1.0 supports standard Ethernet and serial communication protocols (including Modbus), allowing it to exchange data with many third-party PLCs, HMIs, and field devices. However, for safety-critical links, always validate compatibility with your system integrator.