ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 231209 - KFU8-FSP-1.D Frequency Converter Safety Barrier
The PEPPERL & FUCHS KFU8-FSP-1.D (231209) is an intrinsically safe frequency converter barrier from the KFU series, engineered for signal conditioning and galvanic isolation in hazardous area applications. It accurately converts frequency inputs from NAMUR proximity sensors or mechanical contacts into proportional 0/4-20 mA analog and dual relay switch outputs, providing robust data transmission and functional safety for critical process control systems.
Technical Specifications:
- SERIES/FAMILY: KFU8-FSP-1.D (K-System, KFU Series)
- COMPONENT TYPE: Frequency Converter Safety Barrier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC (Nominal 24V DC)
- INPUT SIGNAL: NAMUR sensor (EN 60947-5-6) or dry contact
- ANALOG OUTPUT: 0/4-20 mA (selectable)
- SWITCH OUTPUTS: 2 x Relay (SPDT changeover contacts)
- FREQUENCY RANGE: 0.001 Hz to 5 kHz
- ISOLATION: 3-port galvanic isolation (input, output, power supply)
- INTERFACE/CONTROL:
- CONFIGURATION: DIP switches for range, output type, and fault detection
- DIAGNOSTICS: Line fault detection (LFD) for sensor circuit
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35 mm DIN rail
- OPERATING TEMPERATURE: -20 °C to +60 °C
- EXPLOSION PROTECTION: Ex ia IIC, Ex ia IIB, Ex ia IIIC (for connection to Zone 0/20)
- COMPATIBILITY/APPLICATION:
- SENSOR COMPATIBILITY: NAMUR proximity sensors, mechanical contacts
- HAZARDOUS AREAS: Zone 0, 1, 2 (gas) Zone 20, 21, 22 (dust)
- FUNCTIONAL SAFETY: Up to SIL 2 (IEC 61508)
- APPLICATIONS: Speed monitoring, flow measurement, position detection, process control
