Pepperl+Fuchs KFD2-VR2-Ex1.50M

Overview

The Pepperl+Fuchs KFD2-VR2-Ex1.50M is a high-performance, single-channel isolated barrier meticulously engineered to facilitate the secure and precise transmission of low voltage signals from field instruments located in hazardous environments to control systems in safe areas. This device is indispensable for critical applications demanding intrinsic safety, offering unparalleled reliability for industries utilizing load cells, strain gauges, operational amplifiers, and inductive oscillation sensors. Its robust design provides comprehensive galvanic isolation across input, output, and power supply, guaranteeing signal integrity, system protection, and operational safety in the most demanding conditions.

Key Features

• Signal Type: Analog input for versatile integration.
• Input Voltage Range: ±50 mV, accommodating a wide array of sensors.
• Output Voltage Range: ±50 mV, ensuring accurate signal replication.
• Input Resistance: ≥20 MΩ, minimizing load on source signals.
• Output Resistance: ≤3 Ω, for stable signal delivery.
• Supply Voltage: 19–30 V DC, compatible with standard industrial power supplies.
• Power Consumption: ≤0.3 W, for energy-efficient operation.
• Cut-off Frequency: 350 Hz (-3 dB), enabling fast response times.
• Rise Time: ≤1 ms, for rapid signal processing.
• Line Fault Detection: 100 nA, enhancing diagnostic capabilities.
• Sensor Breakage Detection: User-selectable upscale or downscale via DIP switch, for configurable fault handling.
• Galvanic Isolation: Comprehensive isolation between input, output, and power supply, ensuring maximum safety and preventing interference.
• Mounting: Designed for easy installation on a 35 mm DIN rail (EN 60715).
• Dimensions (W×H×D): Compact 20 × 119 × 115 mm footprint.
• Protection Class: IP20, providing protection against solid objects.
• Ambient Temperature: -40 °C to +60 °C, for reliable operation in extreme conditions.
• Weight: Approximately 125 g, lightweight for easy handling.
• Part Number: 181951, for clear identification and ordering.

Technical Specifications

• Input Terminals: 4+, 5-
• Output Terminals: 7+, 8-
• Power Supply Terminals: 14+, 15-
• Offset Voltage/Current: ≤5 µV / ≤5 nA
• Temperature Influence: ±1 µV/K (typical ±0.25 µV/K)
• Accuracy: ±3 µV up to ±10 mV / ±0.03% of span up to +50 mV / ±0.05% of span up to -50 mV, ensuring high-precision measurements.
• Indicators: Green LED for clear power status indication.
• Configuration: User-friendly DIP switches for straightforward setup.
• Approvals and Certifications:
  • ATEX: II (1)G [Ex ia Ga] IIC, II (1)D [Ex ia Da] IIIC, I (M1) [Ex ia Ma] I
  • IECEx: [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
  • UL: cULus Listed
  • CE: EN 61326-1:2013
  • UKCA Certified

Applications

The KFD2-VR2-Ex1.50M voltage repeater is a versatile solution for a broad spectrum of industrial applications that require intrinsic safety and reliable signal conditioning in hazardous areas:

• Process Automation: Enhancing control and monitoring in complex industrial processes.
• Chemical and Petrochemical: Ensuring safe operations in environments with flammable gases or vapors.
• Oil and Gas: Critical for safeguarding equipment and personnel in explosive atmospheres.
• Pharmaceutical: Maintaining strict safety standards in drug manufacturing and handling.
• Water and Wastewater Treatment: Providing reliable signal isolation in potentially corrosive and hazardous settings.

Why Choose This Model?

The Pepperl+Fuchs KFD2-VR2-Ex1.50M stands out as the preferred choice for demanding intrinsic safety applications due to several compelling advantages:

• Intrinsic Safety: Certified for use in hazardous areas, offering maximum protection against explosions.
• High Accuracy and Fast Response Time: Delivers precise measurements and rapid signal processing for critical control loops.
• Galvanic Isolation: Provides robust system protection by isolating input, output, and power supply, preventing ground loops and electrical interference.
• Compact and Easy to Install: Its slender design and DIN rail mounting simplify integration into existing control cabinets, saving valuable space and installation time.
• DIP Switch Configuration: Offers flexible and intuitive setup without the need for complex software tools, allowing for quick adaptation to various application requirements.

Order Now

Elevate your safety and precision in hazardous environments with the Pepperl+Fuchs KFD2-VR2-Ex1.50M voltage repeater. Its advanced features, robust certifications, and reliable performance make it an essential component for critical industrial applications. Contact us today to secure this essential piece of intrinsic safety technology and ensure uninterrupted, safe, and accurate signal transmission in your operations.