Honeywell FX-USI-0002 Universal Signal Interface Module

Product Description

The FX-USI-0002 is a high-density Universal Signal Interface Module designed for Honeywell’s advanced process control platforms. This versatile I/O solution eliminates the need for multiple hardware-specific cards by offering 16 individually configurable channels. Each channel can be software-defined to handle a wide array of analog or digital signals, significantly reducing spare parts inventory and simplifying cabinet design for complex industrial automation projects.

Built for mission-critical reliability, the FX-USI-0002 features full HART 7.0 compliance, allowing for seamless passthrough of intelligent field device data for remote diagnostics and asset management. The module provides exceptional signal integrity with channel-to-channel isolation of 1500V, protecting the system from ground loops and electrical interference in harsh environments. Whether managing temperature sensors, flow meters, or discrete actuators, this module delivers the precision and speed required for real-time process optimization.

Technical Specifications

• Manufacturer: Honeywell

• Model Number: FX-USI-0002

• Module Type: Universal Signal Interface (Configurable I/O)

• Channel Density: 16 Channels, individually software-programmable

• Configurable Input Types:

• Analog Voltage: 0–10V DC

• Analog Current: 4–20mA (with HART 7.0 support)

• Thermocouple: Types J, K, T, and E

• RTD: Pt100 and Ni120

• Digital Input (DI): Discrete dry or wet contact sensing

• Configurable Output Types:

• Analog Output: 4–20mA (Sourced)

• Digital Output (DO): 24V DC (Max 0.5A per channel)

• Measurement Performance:

• Analog Accuracy: ±0.05% of span

• Digital Resolution: 1 millisecond (High-speed scanning)

• Electrical Isolation: 1500V (Channel-to-channel and channel-to-bus)

• Power Requirements:

• Main Supply: 24V DC ±10% (Up to 2.5A)

• Logic Consumption: Max 1.2A

• Environmental Limits: -40°C to +70°C (-40°F to +158°F)

• Physical Weight: 600g

• Manufacturing Origin: USA

Application Scenarios

The FX-USI-0002 is the ideal solution for modernizing plants that require high flexibility:

• Refining & Petrochemical: Integrating varied HART-enabled transmitters for pressure, level, and flow into a single I/O rack.

• Remote I/O Stations: Reducing the footprint of remote cabinets by using one universal module instead of dedicated AI, AO, DI, and DO cards.

• Thermal Monitoring: Managing high-density thermocouple and RTD arrays in furnaces or reactors with high precision.

• Emergency Interlocks: Utilizing high-speed 1ms digital resolution for safety-related discrete signal monitoring.