ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 456857 - K-System 2-Channel Switch Amplifier
The PEPPERL & FUCHS 456857 is a K-System 2-channel switch amplifier designed for intrinsic safety applications, providing galvanic isolation between hazardous and safe areas. It processes signals from NAMUR sensors or mechanical contacts located in hazardous environments, converting them into isolated relay outputs for control systems. This module is engineered for reliable operation in process automation, ensuring safety integrity for critical monitoring and control functions.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: 2-Channel Switch Amplifier / Isolation Barrier
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35 VDC (Nominal 24 VDC)
- INPUT: 2 x NAMUR sensor (EN 60947-5-6) or dry contact, intrinsically safe
- OUTPUT: 2 x SPDT Relay, rated 250 VAC / 2 A or 30 VDC / 2 A
- INTERFACE/CONTROL:
- SIGNAL INPUT: Digital input from hazardous area sensors
- SIGNAL OUTPUT: Potential-free relay contacts for safe area control
- INDICATORS: LEDs for power, fault, and switching status
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35 mm DIN rail
- OPERATING TEMPERATURE: -20 °C to +60 °C
- COMPATIBILITY/APPLICATION:
- HAZARDOUS AREA CLASSIFICATION: Ex ia IIC, Ex ia IIB, Ex ia IIIC (for input circuits)
- SAFETY INTEGRITY LEVEL: Up to SIL 2 (IEC 61508) / PL c (EN ISO 13849-1)
- TARGET APPLICATIONS: Process control, chemical, petrochemical, pharmaceutical industries, oil & gas, power generation