Pepperl+Fuchs KFU8-UFC-1.D

Overview

The Pepperl+Fuchs KFU8-UFC-1.D is a high-performance, single-channel frequency converter engineered for demanding industrial automation environments. This versatile device excels at accurately transforming frequency signals into standardized analog current outputs, providing essential data for precise control and monitoring. With an expansive input frequency range from 1 mHz to 10 kHz, it seamlessly integrates with a wide array of sensors and applications. The KFU8-UFC-1.D doesn't just convert; it offers comprehensive trip value monitoring through its integrated 0/4–20 mA analog output, alongside robust relay and transistor outputs. Crucially, its certification up to SIL 2 according to IEC/EN 61508/61511 underscores its commitment to safety and reliability in critical operational contexts. This converter is the ideal solution for ensuring consistent and safe performance across numerous industrial processes.

Key Features

• Broad Input Frequency Range: Accommodates signals from 1 mHz up to 10 kHz, ensuring compatibility with diverse measurement requirements.
• Configurable Analog Output: Provides flexible 0/4–20 mA current output, precisely adjustable to meet specific system demands.
• Comprehensive Digital Outputs:
  • Two independent relay contacts (250 V AC / 2 A) for robust control applications.
  • One passive transistor output (40 V DC) for additional switching flexibility.
• Versatile Sensor Compatibility: Designed to work seamlessly with 2- or 3-wire sensors, NAMUR sensors, and dry contacts, simplifying integration.
• Adjustable Start-Up Override: Allows for configurable start-up delays from 1 to 1000 seconds, preventing false trips during system initiation.
• Integrated Line Fault Detection (LFD): Continuously monitors for wire breakage and short circuits, enhancing system integrity and uptime.
• Flexible Power Supply: Operates efficiently with both 20–90 V DC or 48–253 V AC, 50/60 Hz power sources, offering adaptability.
• Advanced Safety Certification: Achieves SIL 2 ratings (IEC/EN 61508 / IEC/EN 61511), ensuring the highest level of functional safety.
• Intuitive Configuration Options: Easily set up parameters via the convenient front panel controls or through the powerful PACTware software.
• Robust Industrial Housing: Encased in a durable, DIN rail mountable housing with an IP20 protection rating, suitable for demanding environments.
• Manufacturer Part Number: 231195.

Technical Specifications

Input

• Open Circuit Voltage: 22 V
• Short-Circuit Current: 40 mA
• Input Resistance: 4.7 kΩ
• Switching Thresholds: Logic 1 > 2.5 mA; Logic 0 < 1.9 mA
• Pulse Duration: > 50 µs

Analog Output

• Current Range: Selectable 0–20 mA or 4–20 mA
• Load Resistance: Maximum 650 Ω
• Fault Signal: Downscale ≤ 3.6 mA; Upscale ≥ 21.5 mA (compliant with NAMUR NE43)

Digital Outputs

• Relay Contacts: 250 V AC / 2 A or 40 V DC / 2 A
• Transistor Output: 1-signal: (L+) -2.5 V (50 mA, short-circuit/overload proof); 0-signal: Off-state current ≤ 10 µA

Performance & Environmental

• Response Time: ≤ 200 ms
• Accuracy: ±0.1% of measurement value
• Ambient Temperature Range: -20 °C to +60 °C

Physical Characteristics

• Dimensions (W×H×D): 40 × 119 × 115 mm
• Weight: Approximately 300 g
• Mounting: Standard 35 mm DIN rail (EN 60715)
• Protection Class: IP20

Applications

The Pepperl+Fuchs KFU8-UFC-1.D is an indispensable component in a multitude of industrial applications requiring precise frequency conversion and reliable trip value monitoring. Its robust design and versatile features make it suitable for:

• Rotational Speed Monitoring: Accurately track and control the speed of motors, shafts, and other rotating machinery, essential for proactive maintenance and optimal performance.
• Conveyor Belt Speed Control: Maintain consistent material flow and prevent bottlenecks by precisely regulating conveyor belt speeds.
• Pump and Fan Speed Regulation: Optimize energy consumption and process efficiency by dynamically adjusting pump and fan speeds based on real-time frequency data.
• Advanced Industrial Automation Systems: Integrate seamlessly into complex automation architectures, providing critical frequency-to-analog signal conversion for various control loops.
• Process Control and Monitoring: Enhance overall process stability and safety by continuously monitoring frequency-dependent parameters and triggering alarms or shutdowns when predefined thresholds are exceeded.

Why Choose This Model?

The KFU8-UFC-1.D from Pepperl+Fuchs stands out as an exceptional choice for industrial professionals seeking unparalleled reliability, flexibility, and safety in frequency conversion. Here's why it's the preferred solution:

• Unmatched Versatility with Wide Input Frequency Range: Its ability to handle signals from 1 mHz to 10 kHz ensures compatibility with nearly any sensor or application, providing a future-proof solution for evolving industrial needs.
• Flexible Integration with Multiple Output Options: With both highly precise analog (0/4–20 mA) and robust digital (relay and transistor) outputs, this converter offers maximum flexibility for integrating into existing and new control systems, enabling comprehensive monitoring and control strategies.
• Industry-Leading Safety with SIL 2 Certification: Achieving SIL 2 compliance confirms its suitability for safety-instrumented systems, offering peace of mind and reducing operational risks in critical applications. This commitment to safety protects personnel and valuable equipment.
• Effortless Configuration for Rapid Deployment: Whether you prefer the straightforward front panel interface or the advanced capabilities of PACTware software, setting up and fine-tuning the KFU8-UFC-1.D is intuitive and efficient, minimizing downtime.
• Engineered for Durability in Harsh Environments: Housed in a resilient, DIN rail mountable enclosure with IP20 protection, this device is built to withstand the rigors of industrial settings, guaranteeing long-term performance and reliability even in challenging conditions.

Order Now

Elevate your industrial automation and process control capabilities with the Pepperl+Fuchs KFU8-UFC-1.D frequency converter. Ensure precision, enhance safety, and optimize efficiency across your operations. Contact us today or refer to Part Number 231195 to place your order and integrate this essential component into your system.