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Pepperl+Fuchs KFU8-FSSP-1.D frequency to voltage/current converter

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Pepperl+Fuchs KFU8-FSSP-1.D

by Pepperl+Fuchs

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OverviewThe Pepperl+Fuchs KFU8-FSSP-1.D represents an advanced frequency to voltage/current converter, meticulously engineered to fulfill the rigorous demands of contemporary industrial automation. This adaptable instrument expertly converts incoming frequency signals from a wide array of sensors into standardized analog voltage or current outputs, complemented by a useful digital pulse output. Boasting a maximum input frequency capability of up to 40 kHz, the KFU8-FSSP-1.D guarantees accurate and dependable signal processing for critical operations. Its compatibility extends to numerous sensor types, including NAMUR, 2-, 3-, and 4-wire proximity sensors, as well as incremental rotary encoders, rendering it a highly flexible solution for intricate industrial environments. The inclusion of versatile analog outputs (0–10 V, 2–10 V, 0–20 mA, 4–20 mA) and a user-configurable digital pulse output highlights its utility across a broad spectrum of industrial control and monitoring applications. Constructed for resilience and accuracy, this converter is a vital element for improving process efficiency and data integrity within automated systems.Key Features Wide Input Frequency Spectrum: Supports frequencies up to an impressive 40 kHz, ensuring compatibility with high-velocity applications. Adaptable Analog Outputs: Provides multiple scalable analog output options, including 0–10 V, 2–10 V (max. 30 mA) and 0–20 mA, 4–20 mA (max. 600 Ω load), for seamless integration with varied control systems. Customizable Digital Pulse Output: Includes a digital pulse output with adjustable frequency division from 1 to 9999, offering enhanced control capabilities. Universal Sensor Compatibility: Designed to interface with a broad range of industrial sensors, such as NAMUR sensors (DIN EN 60947-5-6), 2-, 3-, and 4-wire proximity sensors, and incremental rotary encoders. Clear Digital Readout: Equipped with a 4-digit, 7-segment red LED display (7 mm height) for straightforward monitoring and parameter visibility. Robust Power Input Choices: Accommodates both 20–30 V DC and 100–130 V AC or 200–230 V AC, 50/60 Hz power inputs for flexible deployment. Convenient Mounting Options: Offers versatile installation with support for both DIN rail and panel mounting. Industrial-Grade Enclosure: Features an IP20 protection class, safeguarding the unit in typical industrial settings. Durable Construction: Housed in a modular terminal enclosure crafted from high-quality Makrolon in the System KF design, ensuring enduring reliability. Product Identifier: Part Number: 181191, for effortless identification and ordering. Technical Specifications Input 1 (NAMUR): Open loop voltage: 8.2 V DC; Short-circuit current: 6.5 mA; Switching point: 1.2–2.1 mA; Impedance: 1.2 kΩ. Input 2 (NPN/PNP): High: 16–30 V DC (max. 10 mA); Low: 0–6 V DC; Input resistance: ~3 kΩ. Sensor Power Supply: Regulated 19–28 V DC (max. 30 mA), with integrated short-circuit protection. Precision: Achieves a high level of accuracy with ≤ 0.2% of the full-scale value. Response Speed: Rapid 5 ms response time, essential for real-time applications. Operational Temperature: Functions dependably across a wide range from -25 ℃ to +40 ℃. Storage Temperature Range: Suitable for storage in conditions from -40 ℃ to +85 ℃. Relative Humidity Tolerance: Withstands maximum 80% relative humidity, non-condensing. Altitude Rating: Certified for operation at altitudes up to 2000 m. Dimensions (W×H×D): Compact form factor of 20 × 119 × 115 mm, optimizing cabinet space. Weight: Approximately 0.4 kg, for easy handling and installation. Compliance Standards: Fully compliant with CE, CSA, and UKCA standards, ensuring global acceptance and safety. Applications Rotational Speed Monitoring Crucial for precise monitoring of rotating machinery in manufacturing plants, power generation facilities, and the automotive sector. Conveyor Belt Speed Adjustment Enables accurate speed control of conveyor systems, enhancing material flow and preventing bottlenecks in logistics and production environments. Pump and Fan Speed Control Facilitates efficient regulation of industrial pump and fan speeds in various applications. Why ChooseThe Pepperl+Fuchs KFU8-FSSP-1.D offers unparalleled precision and versatility in frequency to voltage/current conversion, making it an indispensable asset for modern industrial automation. Its robust design, broad sensor compatibility, and reliable performance ensure seamless integration and enhanced operational efficiency in diverse applications. Invest in this converter for superior signal conditioning and optimized control within your automated systems.Order NowElevate your industrial automation capabilities with the Pepperl+Fuchs KFU8-FSSP-1.D. Contact us today to place your order or request further information on this high-performance frequency voltage/current converter.FAQWhat types of sensors are compatible with the KFU8-FSSP-1.D?The KFU8-FSSP-1.D is compatible with a wide array of industrial sensors, including NAMUR sensors, 2-, 3-, and 4-wire proximity sensors, and incremental rotary encoders.What are the available analog output options?The converter offers flexible analog outputs including 0–10 V, 2–10 V (max. 30 mA), 0–20 mA, and 4–20 mA (max. 600 Ω load).What is the maximum input frequency this device can handle?This converter can manage a maximum input frequency of up to 40 kHz.

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PRODUCT DETAILS

Pepperl+Fuchs KFU8-FSSP-1.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:

  1. Exact replacement — same Pepperl+Fuchs catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. 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

  • Input 1 (NAMUR): Open loop voltage: 8.2 V DC; Short-circuit current: 6.5 mA; Switching point: 1.2–2.1 mA; Impedance: 1.2 kΩ.
  • Input 2 (NPN/PNP): High: 16–30 V DC (max. 10 mA); Low: 0–6 V DC; Input resistance: ~3 kΩ.
  • Sensor Power Supply: Regulated 19–28 V DC (max. 30 mA), with integrated short-circuit protection.
  • Precision: Achieves a high level of accuracy with ≤ 0.2% of the full-scale value.
  • Response Speed: Rapid 5 ms response time, essential for real-time applications.
  • Operational Temperature: Functions dependably across a wide range from -25 ℃ to +40 ℃.
  • Storage Temperature Range: Suitable for storage in conditions from -40 ℃ to +85 ℃.
  • Relative Humidity Tolerance: Withstands maximum 80% relative humidity, non-condensing.
  • Altitude Rating: Certified for operation at altitudes up to 2000 m.
  • Dimensions (W×H×D): Compact form factor of 20 × 119 × 115 mm, optimizing cabinet space.
  • Weight: Approximately 0.4 kg, for easy handling and installation.
  • Compliance Standards: Fully compliant with CE, CSA, and UKCA standards, ensuring global acceptance and safety.

Applications

  • Rotational Speed Monitoring

    Crucial for precise monitoring of rotating machinery in manufacturing plants, power generation facilities, and the automotive sector.

  • Conveyor Belt Speed Adjustment

    Enables accurate speed control of conveyor systems, enhancing material flow and preventing bottlenecks in logistics and production environments.

  • Pump and Fan Speed Control

    Facilitates efficient regulation of industrial pump and fan speeds in various applications.

Why Choose the KFU8-FSSP-1.D?

The Pepperl+Fuchs KFU8-FSSP-1.D offers unparalleled precision and versatility in frequency to voltage/current conversion, making it an indispensable asset for modern industrial automation. Its robust design, broad sensor compatibility, and reliable performance ensure seamless integration and enhanced operational efficiency in diverse applications. Invest in this converter for superior signal conditioning and optimized control within your automated systems.

Availability & Shipping

  • In stock: KFU8-FSSP-1.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-FSSP-1.D ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Pepperl+Fuchs

The KFU8-FSSP-1.D is compatible with a wide array of industrial sensors, including NAMUR sensors, 2-, 3-, and 4-wire proximity sensors, and incremental rotary encoders.

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.

CUSTOMER REVIEWS

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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.

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