PRODUCT DESCRIPTION
PEPPERL & FUCHS 222237 - K-System Intrinsic Safety Barrier Switch Amplifier
This K-System intrinsic safety barrier functions as a single-channel switch amplifier, designed for the galvanic isolation and signal conditioning of NAMUR sensors or dry contacts located in hazardous areas. It provides reliable switching outputs to the safe area, incorporating line fault detection and configurable operating modes essential for process automation and safety instrumented systems.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Intrinsic Safety Barrier, Switch Amplifier, Signal Conditioner
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35VDC
- POWER CONSUMPTION: <1.5W
- INPUT: NAMUR sensor (EN 60947-5-6) or dry contact from hazardous area
- OUTPUT: 1x SPDT (Single Pole Double Throw) Relay
- RELAY SWITCHING CAPACITY: 250VAC/2A or 30VDC/2A (resistive load)
- SWITCHING FREQUENCY: Up to 5 kHz
- INTERFACE/CONTROL:
- FUNCTIONALITY: Switch amplifier with adjustable operating modes (NO/NC), line fault detection (open/short circuit), trip alarm
- CONFIGURATION: DIP switches for operating mode and line fault detection enable/disable
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN rail
- OPERATING TEMPERATURE: -20°C to +60°C
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, FM, cULus for [Ex ia Ga] IIC, [Ex ia Da] IIIC, [Ex ia Ma] I
- COMPATIBILITY/APPLICATION:
- INPUT DEVICES: NAMUR proximity sensors, mechanical contacts, push buttons in Zone 0, 1, 2, 20, 21, 22
- OUTPUT INTEGRATION: PLCs, DCS, safety systems, control circuits in safe areas
- TYPICAL APPLICATIONS: Level monitoring, position detection, flow monitoring, and general process control in hazardous environments requiring intrinsic safety.