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Product Overview
The Honeywell FS-USI-0001 is a Universal Safety Interface (USI) Module that serves as a critical communication and interfacing component in Honeywell’s Safety Manager and Fail Safe Controller (FSC) platforms. This highly versatile module supports a wide range of interface functions, enabling integration of various safety-related signals and systems into the overall safety architecture. The FS-USI-0001 ensures deterministic communication, fault tolerance, and safety integrity across complex automation networks.
Designed for SIL 3 safety instrumented systems, the FS-USI-0001 can handle both analog and digital I/O signals, act as a communication buffer, or perform as a gateway between subsystems, depending on configuration. It is used in systems requiring redundant architectures, precise synchronization, and seamless integration between third-party devices and Honeywell’s safety infrastructure.
Key Features
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SIL 3 Certified: Complies with IEC 61508 standards for safety-critical systems
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Universal Interface Capability: Supports various signal types including digital I/O, analog I/O, and communication buses
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Flexible Configuration: Adaptable to multiple interface functions such as signal conversion, bridging, and buffering
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Redundancy Support: Fully compatible with redundant architectures in safety systems
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System Synchronization: Maintains timing accuracy and coordination across safety logic solvers
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Rugged Industrial Design: Suitable for harsh industrial environments
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Secure Communication: Ensures high integrity data transfer between subsystems
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DIN Rail Mountable: Compact form factor with easy mounting and installation
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Diagnostic LEDs: Visual indication of module health, status, and activity
Technical Specifications
| Parameter | Specification |
|---|---|
| Model Number | FS-USI-0001 |
| Product Type | Universal Safety Interface Module |
| System Compatibility | Honeywell Safety Manager, FSC |
| Input/Output Support | Configurable for analog I/O, digital I/O, and serial communication |
| Power Supply | 24 VDC (nominal), range: 18–30 VDC |
| SIL Rating | SIL 3 (IEC 61508 certified) |
| Communication Interface | RS-485, proprietary Honeywell protocols, configurable serial ports |
| Redundancy | Yes, full support for redundant configurations |
| Diagnostics | LED indicators for power, communication, fault, and I/O status |
| Mounting Type | DIN rail (35 mm, EN 60715 standard) |
| Operating Temperature | -20°C to +60°C (-4°F to +140°F) |
| Storage Temperature | -40°C to +85°C (-40°F to +185°F) |
| Humidity | 5% to 95% RH, non-condensing |
| Protection Features | Surge protection, reverse polarity, overvoltage |
| Dimensions | 1250 x 100 x 80 mm |
| Weight | 1.86 kg |
| Certifications | CE, RoHS, UL, CSA, IEC 61508 |
Industry Applications
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Oil & Gas: Integrates safety loops, fire/gas systems, and turbine control networks
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Power Generation: Facilitates safe and reliable communication in turbine protection systems
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Chemical & Petrochemical: Used for interfacing between SIS and control subsystems
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Pharmaceutical: Ensures compliant and validated data handling in safety-critical processes
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Water Treatment: Interfaces alarms and interlocks in safety monitoring systems
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Industrial Manufacturing: Acts as a link between production safety devices and control logic solvers
Product Advantages
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Versatile Integration: Interfaces analog, digital, and serial signals into safety systems
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Certified Safety: Provides peace of mind with SIL 3 certification and robust system diagnostics
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Compact and Efficient: Saves panel space while maintaining high performance
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System Flexibility: Reduces the need for multiple interface modules through its universal design
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Redundancy-Compatible: Built for use in high-availability systems with dual or triple redundancy
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Cost Efficiency: Reduces hardware costs by combining multiple interface functions into one module
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Simple Maintenance: Diagnostic LEDs simplify troubleshooting and reduce downtime
Frequently Asked Questions (FAQ)
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Q: What is the main function of the FS-USI-0001 module?
A: It acts as a universal interface for analog, digital, and serial communication signals in safety systems. -
Q: Is the FS-USI-0001 SIL certified?
A: Yes, it is certified to SIL 3 under IEC 61508 for safety-critical applications. -
Q: What types of signals can this module interface with?
A: It can handle analog inputs/outputs, digital inputs/outputs, and serial communication. -
Q: Does it support redundant system configurations?
A: Yes, it is designed to operate in redundant architectures. -
Q: What is the power supply requirement?
A: It requires a 24 VDC supply, with an operating range of 18–30 VDC. -
Q: How is the FS-USI-0001 mounted?
A: It is DIN rail mountable, standard 35 mm rail per EN 60715. -
Q: What protection features are included?
A: It includes surge protection, reverse polarity protection, and overvoltage protection. -
Q: What kind of diagnostic tools are available?
A: LED indicators provide visual status for power, communication, fault, and I/O activity. -
Q: What types of communication protocols are supported?
A: RS-485, configurable serial ports, and Honeywell proprietary safety protocols. -
Q: In what industries is this module commonly used?
A: It is widely used in oil & gas, power, chemical, pharmaceutical, and industrial automation sectors.
Related or Similar Honeywell Models
| Model Number | Description |
|---|---|
| FS-USI-0002 | Enhanced Universal Safety Interface Module |
| FC-IOTA-R24 | Redundant I/O Termination Assembly |
| FS-TERM-0001 | Redundant I/O Bus Terminator |
| FC-PSU-UNI2450 | Universal 24 VDC Power Supply |
| FC-TSM-0001 | Safety Manager Communication Interface |
| FC-TCNT11 | Safety IOTA Controller Redundancy Module |
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| Model Number | Description |
|---|---|
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