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Pepperl+Fuchs KFU8-UFC-EX1.D
by Pepperl+Fuchs
Read verified buyer reviews ↓OverviewThe Pepperl+Fuchs KFU8-UFC-EX1.D (Part No. 231197) is a sophisticated 1-channel frequency converter and isolated barrier, meticulously engineered to translate digital signals from hazardous locations into a dependable analog output. This essential component seamlessly integrates NAMUR sensors or open collector signals, converting them into a standard 0/4–20 mA signal. Operating efficiently on a 24 V DC power supply, this unit boasts a compact design for DIN rail mounting and holds a crucial SIL 2 compliance according to IEC/EN 61508, making it an indispensable solution for safety-critical industrial applications.Designed for versatility, the KFU8-UFC-EX1.D offers extensive configurability for both input ranges and output characteristics. This flexibility ensures seamless and reliable integration into diverse control systems across various industries. From precise flow monitoring to crucial rotational speed detection and comprehensive process automation, this frequency converter provides the robust performance and unwavering accuracy demanded by modern industrial environments.Key Features Manufacturer Part Number: 231197 Precision Signal Conversion: Converts frequency inputs from NAMUR sensors or open collectors into a standard 0/4–20 mA analog output. Hazardous Area Compatibility: Specifically designed to accept signals from hazardous area devices, ensuring safe and compliant operation. Robust Power Supply: Operates within a versatile 20–30 V DC range, with a nominal 24 V DC, accommodating various industrial power infrastructures. Single-Channel Isolation: Provides 1-channel isolated operation, enhancing signal integrity and system protection. SIL 2 Certified: Achieves Safety Integrity Level 2 (SC 3) certification per IEC/EN 61508, guaranteeing suitability for critical safety functions. Wide Frequency Range: Supports adjustable frequency inputs up to an impressive 20 kHz, catering to a broad spectrum of applications. Advanced Fault Detection: Incorporates line fault and sensor failure monitoring, providing immediate alerts for enhanced operational safety and uptime. Space-Saving Design: Features a compact 20 mm housing width for effortless DIN rail mounting, optimizing cabinet space. Triple Galvanic Isolation: Ensures secure 3-way galvanic isolation between input, output, and power supply, preventing unwanted signal interference. Intuitive Diagnostics: Equipped with clear LED indicators for status monitoring and rapid error diagnostics, simplifying troubleshooting. Technical Specifications Model: KFU8-UFC-EX1.D MFG Item No.: 231197 Input Signal: Frequency input from NAMUR sensor or open collector Output Signal: 0/4–20 mA analog (active output) Power Supply: 24 V DC (operating range 20–30 V DC) Maximum Frequency Input: 20,000 Hz Housing Width: 20 mm Mounting Type: DIN rail Operating Temperature: –20 °C to +60 °C Protection Class: IP20 Certifications: ATEX, IECEx, UL, CSA Safety Compliance: SIL 2, SC 3 according to IEC/EN 61508 Applications Flow Meter Monitoring: Converts pulse or frequency signals from flow meters into reliable analog outputs for precise process control. Rotational Speed Detection: Provides accurate feedback to Distributed Control Systems (DCS) or Programmable Logic Controllers (PLC) for monitoring rotating machinery. Hazardous Area Integration: Facilitates safe and isolated signal transmission from devices located in Zone 0/1 hazardous environments. General Process Automation: Delivers robust and accurate analog conversion from various digital inputs, enhancing overall industrial automation. Why ChooseThe Pepperl+Fuchs KFU8-UFC-EX1.D distinguishes itself as a premier selection for demanding industrial operations. Its capability to precisely transform pulse or frequency signals into a standard analog output guarantees effortless compatibility with existing control systems. The primary benefit is its SIL 2 certification, which highlights its dependability and appropriateness for safety-critical functions.Order NowContact us to inquire about the Pepperl+Fuchs KFU8-UFC-EX1.D today. Our team is ready to assist you in finding the perfect solution for your industrial automation needs.FAQWhat is the primary function of the KFU8-UFC-EX1.D?The KFU8-UFC-EX1.D acts as a 1-channel frequency converter and isolated barrier, transforming digital signals from hazardous locations into a standard 0/4–20 mA analog output.What types of input signals can this device process?It is designed to process frequency inputs from NAMUR sensors or open collector signals.Is this device suitable for use in hazardous environments?Yes, it is specifically engineered to accept signals from hazardous area devices and is certified for safe operation in such locations.What is the significance of SIL 2 certification?SIL 2 certification indicates that the device meets Safety Integrity Level 2 requirements, making it suitable for critical safety functions where high reliability is essential.How is the KFU8-UFC-EX1.D powered?It operates on a 24 V DC power supply, with an operating range of 20–30 V DC.
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Pepperl+Fuchs KFU8-UFC-EX1.D
Overview
This is a genuine Pepperl+Fuchs component from the Isolators & Barriers family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.
Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.
Key Features
- Genuine Pepperl+Fuchs catalog part
- Tested before shipment
- Backed by PalmPartsSolution warranty
- Cross-reference and revision assistance available
- Compatible with the broader Pepperl+Fuchs automation ecosystem
- Engineered to integrate inside Isolators & Barriers installations
Compatibility
When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Pepperl+Fuchs equipment. Where applicable, confirm:
- Input/output voltage and current rating
- Communication protocol and network role
- Mounting form factor and footprint
- Operating temperature, humidity, and IP rating
- Required certifications (UL, CE, ATEX, marine, etc.)
Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.
Replacement Information
Three ways to source this part through PalmPartsSolution:
- Exact replacement — same Pepperl+Fuchs catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- Engineered migration — current-generation Pepperl+Fuchs platform with documented conversion notes for the Isolators & Barriers family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: KFU8-UFC-EX1.D
- MFG Item No.: 231197
- Input Signal: Frequency input from NAMUR sensor or open collector
- Output Signal: 0/4–20 mA analog (active output)
- Power Supply: 24 V DC (operating range 20–30 V DC)
- Maximum Frequency Input: 20,000 Hz
- Housing Width: 20 mm
- Mounting Type: DIN rail
- Operating Temperature: –20 °C to +60 °C
- Protection Class: IP20
- Certifications: ATEX, IECEx, UL, CSA
- Safety Compliance: SIL 2, SC 3 according to IEC/EN 61508
Applications
- Flow Meter Monitoring: Converts pulse or frequency signals from flow meters into reliable analog outputs for precise process control.
- Rotational Speed Detection: Provides accurate feedback to Distributed Control Systems (DCS) or Programmable Logic Controllers (PLC) for monitoring rotating machinery.
- Hazardous Area Integration: Facilitates safe and isolated signal transmission from devices located in Zone 0/1 hazardous environments.
- General Process Automation: Delivers robust and accurate analog conversion from various digital inputs, enhancing overall industrial automation.
Why Choose the KFU8-UFC-EX1.D?
The Pepperl+Fuchs KFU8-UFC-EX1.D distinguishes itself as a premier selection for demanding industrial operations. Its capability to precisely transform pulse or frequency signals into a standard analog output guarantees effortless compatibility with existing control systems. The primary benefit is its SIL 2 certification, which highlights its dependability and appropriateness for safety-critical functions.
Availability & Shipping
- ▸In stock: KFU8-UFC-EX1.D ready for immediate dispatch from our Florida warehouse.
- ▸Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
- ▸Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
- ▸Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
- ▸Buy with confidence: Every KFU8-UFC-EX1.D ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Pepperl+Fuchs
Machine down? We ship parts the same day.
New, surplus, and refurbished Pepperl+Fuchs inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
Product Condition & Firmware
All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.