ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 70125596 - Isolated Barrier, Single-Channel Switch Amplifier
The PEPPERL & FUCHS KFD2-SR2-EX1.W is a K-System isolated barrier, functioning as a single-channel switch amplifier with dual relay outputs, engineered for intrinsic safety applications in hazardous areas. It provides reliable signal conditioning and galvanic isolation for field devices such as NAMUR sensors or mechanical contacts, interfacing them with safe area control systems. This module ensures compliance with explosion protection standards for critical process automation and safety instrumented systems.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2)
- COMPONENT TYPE: Isolated Barrier, Single-Channel Switch Amplifier with Dual Relay Output
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC
- POWER CONSUMPTION: Approximately 1.5W
- INPUT: 1-channel, for NAMUR proximity switches (EN 60947-5-6) or potential-free contacts from hazardous area
- OUTPUT: 2-channel, normally open (NO) relay contacts, rated for 250V AC / 2A or 30V DC / 2A
- INTRINSIC SAFETY: Ex ia IIC (for connection to Zone 0, 1, 2 gas groups A, B, C, D)
- SAFETY PARAMETERS (input channel): Uo = 9.6V, Io = 10 mA, Po = 24 mW
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact DIN-rail mountable module
- CONNECTIONS: Screw terminals
- INTERFACE/CONTROL:
- INPUT SIGNAL: NAMUR sensor or dry contact
- OUTPUT SIGNAL: Potential-free relay contacts
- DIAGNOSTICS: Line fault detection (wire break, short circuit) for input circuit, configurable via DIP switches
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20 to +60 degrees Celsius
- MOUNTING: 35 mm DIN rail
- HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, FM, cULus (for Ex ia IIC T4/T6)
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Process control systems, safety instrumented systems (SIS), distributed control systems (DCS), programmable logic controllers (PLCs)
- APPLICATIONS: Chemical, petrochemical, oil & gas, pharmaceutical, food & beverage, water treatment industries requiring intrinsic safety
- FIELD DEVICES: NAMUR sensors, mechanical switches, push buttons located in hazardous areas
- CONTROL DEVICES: Solenoid valves, indicator lamps, contactors, or direct PLC inputs in the safe area
