OVERVIEW

Official designation: Pepperl+Fuchs KFU8-FSSP-1.D (K-System, Frequency Voltage Current Converter)

Role/Application: This multi-range signal converter displays and monitors periodic signals (frequency, speed) from NAMUR sensors and rotary encoders, converting them into proportional analog voltage or current outputs.

KEY SPECS SUMMARY

Power: 20-30 V DC or 98-250 V AC (Multi-range power pack)

Interfaces / Ports: Two digital inputs (NAMUR, NPN/PNP), one analog V/mA output, one digital output

Indicators: Four-digit 7-segment red display (7 mm height), Keypad menu assignment

Operating Temp: -25 to 40 degrees C (Varies by revision, up to 50 degrees C)

Platform / Compatibility: NAMUR, 2-/3-/4-wire sensors, rotary encoder, PACTware configurable

Limit: Input frequency up to 40000 Hz, Deviation less than or equal to 0.2 percent

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the maximum input frequency and pulse pause duration for the digital input?

A: Maximum input frequency is 40000 Hz with a minimum pulse pause or duration of 12 microseconds.

Wiring & Installation:

Q: How is the multi-range power supply connected to the KFU8-FSSP-1.D?

A: The power supply connects via terminals for AC/DC or using the optional Power Rail.

Troubleshooting & Compatibility:

Q: What is the analog current output range and maximum permissible load resistance?

A: Selectable outputs are 0-20 mA or 4-20 mA, with a maximum load resistance of 600 Ohm.

Replacement & Upgrades:

Q: Does the KFU8-FSSP-1.D provide a sensor power output for connecting field devices?

A: Yes, it provides an auxiliary 24 V DC sensor supply, non-stabilized, short-circuit protected.