PRODUCT DESCRIPTION
PEPPERL & FUCHS 258356 - K-System Isolated Barrier Control Device
This K-System isolated barrier, identified as KFD2-CD-Ex1.32, functions as a single-channel control device for interfacing discrete signals from hazardous areas to safe area control systems. It provides galvanic isolation and signal conditioning for NAMUR sensors or mechanical contacts, ensuring intrinsic safety and reliable operation in process automation environments.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Isolated Barrier, Switch Amplifier, Control Device (KFD2-CD-Ex1.32)
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35VDC
- POWER CONSUMPTION: Approximately 1.5W
- INPUT: Intrinsically safe input for NAMUR sensors or mechanical contacts
- OUTPUT: 1 x Relay (changeover contact), rated for 250VAC/2A or 125VDC/2A
- INTERFACE/CONTROL:
- INPUT SIGNAL TYPE: NAMUR proximity switch (EN 60947-5-6) or dry contact
- OUTPUT SIGNAL TYPE: Potential-free relay contact
- SWITCHING FREQUENCY: Up to 5 kHz
- RESPONSE TIME: Typically <10 ms
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20°C to +60°C (-4°F to +140°F)
- MOUNTING: 35mm DIN rail
- HAZARDOUS AREA APPROVALS: ATEX, IECEx, UL, FM (for Ex ia IIC T4/T6 input circuits)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), SCADA systems
- FIELD DEVICES: NAMUR sensors, limit switches, emergency stop buttons in hazardous locations
- INDUSTRY APPLICATIONS: Chemical processing, oil and gas, pharmaceutical manufacturing, water treatment