PRODUCT DESCRIPTION
PEPPERL & FUCHS 225293 - K-System Isolated Barrier, Frequency Converter/Switch Amplifier
The PEPPERL & FUCHS 225293 is a K-System isolated barrier engineered for intrinsic safety applications in hazardous areas. It functions as a frequency converter and switch amplifier, providing galvanic isolation between the hazardous and safe areas while conditioning signals from NAMUR sensors or mechanical contacts. This module is critical for reliable signal transmission and control in process automation, chemical plants, and oil & gas industries.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Isolated Barrier, Frequency Converter / Switch Amplifier
- INPUT: 1-channel for NAMUR sensors (EN 60947-5-6) or dry contacts from hazardous area
- OUTPUT: 1-channel relay output (changeover contact), 1-channel passive transistor output (PNP)
- ELECTRICAL SPECS: 20-35VDC supply voltage, 0-5 kHz input frequency range, approximately 1.5W power consumption
- INTERFACE/CONTROL: DIP switch configurable operating modes (frequency converter, switch amplifier, line monitoring), LED status indicators for operation, fault, and switching state
- ENVIRONMENTAL/MOUNTING: IP20 protection rating, -20 to +60 °C operating temperature range, 35 mm DIN rail mounting
- CERTIFICATION: Intrinsic safety according to ATEX and IECEx for Zone 0, 1, 2 applications
- FUNCTIONALITY: Provides galvanic isolation, short-circuit and wire-break detection, configurable switching behavior, and signal conditioning for frequency or switch inputs