Product Description

KFU8UFCEX1D FREQUENCY CONVERTER WITH TRIP VALUES DIGITAL INPUT 20-90 VDC 48-253 VAC 50/60 HZ 4-20 MA PROGRAMMING SOCKET (231197) The Pepperl+Fuchs KFU8-UFC-EX1.D is a highly reliable frequency converter designed for use in hazardous environments. This unit converts frequency signals from intrinsically safe field devices, such as flowmeters or proximity sensors, into standard analog or digital signals for use in control systems. With galvanic isolation between input, output, and power supply, it ensures safe and accurate signal transmission, preventing electrical interference. Its wide input range and multiple output configurations make it versatile for applications in the chemical, oil, gas, and other process industries.

Technical Specifications

• Model Number: KFU8-UFC-EX1.D
• Function: Frequency-to-current/voltage converter for hazardous areas
• Input Type: Frequency signals from NAMUR sensors or dry contacts
• Input Frequency Range: 0.01 Hz to 20 kHz
• Output Types:
• Analog: 0/4 mA to 20 mA (active or passive)
• Digital: NPN/PNP switch output
• Power Supply: 20 to 35 V DC
• Response Time: 50 ms to 1 second (configurable)
• Accuracy: ≤ 0.1% of full-scale range
• Galvanic Isolation: 3-way isolation between input, output, and power supply
• Operating Temperature Range: -20°C to +60°C (-4°F to +140°F)
• Protection Rating: IP20
• Housing Material: Polycarbonate
• Mounting: DIN rail (35 mm)
• Dimensions: 20 mm x 119 mm x 99 mm (W x H x D)
• Certifications: ATEX, IECEx, FM, UL (approved for use in hazardous locations)