PRODUCT DESCRIPTION
PEPPERL & FUCHS 251799 - K-System Intrinsic Safety Barrier with Repeater Power Supply and Digital Control
This K-System intrinsic safety barrier provides galvanic isolation and signal conditioning for process automation applications in hazardous areas. It functions as a repeater power supply for 2-wire or 3-wire transmitters, simultaneously transmitting a 4-20 mA analog signal to the safe area while offering a digital control input from the safe area to activate a switch in the hazardous area. Engineered for robust performance in chemical, oil & gas, and pharmaceutical industries, it ensures reliable data acquisition and control loop integrity.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2-CD-EX1.CN)
- COMPONENT TYPE: Intrinsic Safety Barrier, Repeater Power Supply, Digital Control Input
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC (Nominal 24V DC)
- ANALOG INPUT (HAZARDOUS AREA): 4-20 mA from 2-wire or 3-wire transmitters
- ANALOG OUTPUT (SAFE AREA): 4-20 mA current output
- DIGITAL INPUT (SAFE AREA): Control input for switch activation
- DIGITAL OUTPUT (HAZARDOUS AREA): Switch output
- ISOLATION: Galvanic isolation between input, output, and power supply
- INTERFACE/CONTROL:
- SIGNAL CHANNELS: 1-channel analog input/output, 1-channel digital input/output
- DIAGNOSTICS: Line fault detection (LFD) for analog input
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail
- OPERATING TEMPERATURE: -20 °C to +60 °C
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, FM, cULus (e.g., Ex ia IIC, Ex ia IIB)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), Safety Instrumented Systems (SIS)
- APPLICATIONS: Process control loops, instrumentation in hazardous locations (Zone 0, 1, 2)