The Honeywell FC-USI-0002 is a Universal Safety Interface (USI) module designed for the Honeywell Safety Manager safety instrumented system (SIS) platform. As a dedicated communication interface module, it provides secure, high-integrity data exchange between the safety controller, engineering tools, supervisory systems, and external automation networks.
The FC-USI-0002 acts as the critical "diplomat" between the Safety Manager's Quad Processor Pack (QPP)—which executes safety logic—and the outside world. It handles communication tasks while maintaining separation between safety execution functions and external communication paths, protecting safety-related processing from non-safety activities.
Item No :
FC-USI-0002Order(MOQ) :
1Payment :
EXWProduct Origin :
USAShipping Port :
Wuhan, Hubei, ChinaLead Time :
3-5 daysWeight :
1kgPRODUCT INFORMATION
Honeywell FC-USI-0002 Universal Safety Interface Module
SIL 3 Certified Communication Interface for Safety Manager Systems
Brand Name: Honeywell
Product Name: FC-USI-0002
Condition: 100% New and Original
Lead Time: 3-5 Days
Warranty: 1Year
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We will ship the items within 3-5 working days after the payment is received.
Key Features & Benefits
SIL 3 Certified Communication: Meets IEC 61508/61511 Safety Integrity Level 3 requirements for use in Emergency Shutdown (ESD), Fire & Gas (F&G), and Burner Management Systems
Dedicated Communication Processing: Uses a Motorola 8260 communications processor with 8MB Flash and 8MB Local SRAM (with error detection and correction), offloading communication tasks from the QPP controller
Shared Memory Architecture: 256KB Shared RAM enables high-speed data exchange between the USI module and QPP control processors, ensuring deterministic communication performance
Multi-Protocol Communication: Provides 4 independent communication channels including dual 10/100 Mbps Ethernet and two general-purpose serial channels for flexible system integration
Hardware-Level Isolation: Acts as a security barrier with 2.5kV DC isolation between the 5V logic and Ethernet, and 1.5kV DC isolation between the Ethernet and chassis, preventing external electrical faults from compromising safety functions
Hot-Swap Capable: Supports online module replacement in redundant QPP configurations without system shutdown, minimizing maintenance downtime
Comprehensive Diagnostics: Real-time hardware self-testing including processor register checks, RAM verification, and software integrity monitoring; if an error is detected, the module interrupts the QPP to trigger a safe state
Lifecycle Replacement Support: The FE-USI-0002 serves as a pin-to-pin and functionally compatible successor under supported Safety Manager software releases
| Category | Specification |
|---|---|
| Manufacturer | Honeywell |
| Model Number | FC-USI-0002 |
| Alternate Designations | USI-0002, FE-USI-0002 (successor), FX-USI-0002 (DCS-side variant) |
| Product Type | Universal Safety Interface Module |
| System Platform | Honeywell Safety Manager / FSC / Experion PKS SIS Integration |
| Safety Integrity Level | SIL 3 (IEC 61508/61511) |
| Parameter | Specification |
|---|---|
| Processor | Motorola 8260 Communication Processor |
| Flash Memory | 8 MB (System + Application Storage) |
| Local SRAM | 8 MB (with Error Detection and Correction) |
| Shared RAM | 256 KB (Data Exchange with QPP) |
| EEPROM | Stores Module-Specific Data (MAC addresses, hardware version) |
| Parameter | Specification |
|---|---|
| Ethernet Channels | 2x 10/100 Mbps (Dual-Speed Fast Ethernet Transceivers) |
| Serial Channels | 2x General-Purpose Serial Communication Controllers |
| Connector Types | Ethernet: RJ45; Serial: 10-pin AMP Connector |
| Supported Protocols | Safety Manager Bus, Modbus RTU, Modbus TCP/IP, ASCII, OPC, Honeywell SDP |
| Parameter | Specification |
|---|---|
| Supply Voltage | 5V DC ±5% |
| Maximum Current | 1.2A |
| 5V to Ethernet Isolation | ≥ 2.5 kV DC |
| 5V to Chassis Isolation | ≥ 1.5 kV DC |
| Ethernet to Chassis Isolation | ≥ 1.5 kV DC |
| Parameter | Specification |
|---|---|
| Operating Temperature | -5°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Relative Humidity | 10 to 95%, Non-Condensing |
| Protection Rating | IP20 (Cabinet Installation) |
| Dimensions | 21.2 cm x 17.6 cm x 3.52 cm |
| Weight | Approx. 0.7 kg (Shipping Weight approx. 2.0 kg) |
| Certifications | CE, TÜV, UL, CSA, FM |
The FC-USI-0002 is widely deployed across industries requiring SIL 3-certified safety communication:
| Industry | Application |
|---|---|
| Oil & Gas | Emergency Shutdown (ESD) integration between Safety Manager and Experion PKS for refinery and pipeline control systems |
| Chemical Processing | SIS-DCS integration for continuous chemical reactions; F&G detection system communication |
| Power Generation | Burner Management System (BMS) safety data exchange; turbine protection system integration |
| Pharmaceutical | Safety system communication for batch process control and cleanroom monitoring |
| Marine & Offshore | Platform safety and fire protection system communication |
The FC-USI-0002 has been superseded by the FE-USI-0002, which offers pin-to-pin and functional compatibility.
The FX-USI-0002 is a DCS-side variant that may be confused with the Safety Manager version—verify your application carefully before ordering.
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