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Pepperl+Fuchs KFD2-VR2-Ex1.50M

by Pepperl+Fuchs

OverviewThe Pepperl+Fuchs KFD2-VR2-Ex1.50M is an advanced single-channel isolated barrier, expertly designed for the secure and accurate transfer of low voltage signals. It facilitates communication from field instruments in hazardous environments to control systems in safe zones. This device is essential for critical applications demanding intrinsic safety and offers exceptional dependability for systems utilizing load cells, strain gauges, operational amplifiers, and inductive oscillation sensors. Its sturdy construction ensures complete galvanic isolation across the input, output, and power supply, thereby preserving signal integrity, safeguarding the system, and ensuring operational safety even in the toughest conditions.Key Features Signal Type: Analog input for flexible integration. Input Voltage Range: ±50 mV, suitable for a diverse range of sensors. Output Voltage Range: ±50 mV, ensuring exact signal mirroring. Input Resistance: ≥20 MΩ, minimizing load on originating signals. Output Resistance: ≤3 Ω, for consistent signal output. Supply Voltage: 19–30 V DC, compatible with common industrial power sources. Power Consumption: ≤0.3 W, for energy-efficient operation. Cut-off Frequency: 350 Hz (-3 dB), enabling quick response capabilities. Rise Time: ≤1 ms, for rapid signal handling. Line Fault Detection: 100 nA, improving diagnostic functions. Sensor Breakage Detection: User-adjustable upscale or downscale via DIP switch, for customizable fault management. Galvanic Isolation: Comprehensive separation between input, output, and power supply, ensuring maximum security and preventing interference. Mounting: Designed for simple installation on a 35 mm DIN rail (EN 60715). Dimensions (W×H×D): Compact 20 × 119 × 115 mm footprint. Protection Class: IP20, offering safeguarding against solid objects. Ambient Temperature: -40 °C to +60 °C, for dependable operation in extreme conditions. Weight: Approximately 125 g, lightweight for ease of 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 ApplicationsThe KFD2-VR2-Ex1.50M voltage repeater is a versatile solution for numerous industrial applications requiring 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 setups. Order NowEnhance your industrial safety and signal integrity. Contact us today to order the Pepperl+Fuchs KFD2-VR2-Ex1.50M or for further information.FAQWhat is the primary function of the KFD2-VR2-Ex1.50M?It acts as a single-channel isolated barrier, ensuring the secure and precise transmission of low voltage signals from instruments in hazardous zones to control systems in safe areas.What types of sensors are compatible with this device?It is designed for use with load cells, strain gauges, operational amplifiers, and inductive oscillation sensors.Does this device offer protection against electromagnetic interference?Yes, its comprehensive galvanic isolation between input, output, and power supply effectively prevents electrical interference and ground loops.Can the sensor breakage detection be customized?Yes, sensor breakage detection is user-selectable for upscale or downscale via DIP switch, allowing for configurable fault handling.What are the environmental operating conditions for this voltage repeater?It is designed to operate reliably in ambient temperatures ranging from -40 °C to +60 °C.

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