ОПИСАНИЕ ПРОДУКТА
PEPPERL & FUCHS 70103276 (KFD2-SR2-EX1.W) - Isolated Barrier Switch Amplifier
The PEPPERL & FUCHS KFD2-SR2-EX1.W is an intrinsically safe isolated barrier switch amplifier from the K-System series, designed for controlling solenoid valves, alarms, or other loads located in hazardous areas. It provides galvanic isolation between the safe and hazardous areas, ensuring reliable operation and compliance with intrinsic safety standards while offering line fault detection for enhanced system integrity.
Technical Specifications:
- SERIES/FAMILY: K-System, KFD2 Series
- COMPONENT TYPE: Isolated Barrier Switch Amplifier with Safety Relay Output
- ORDER NUMBER: 70103276
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35V DC (24V DC nominal)
- POWER CONSUMPTION: Approximately 1.5W
- INPUT: 2-channel digital input from safe area (e.g., switch, PLC output)
- OUTPUT: 1-channel relay output, 1 changeover contact (SPDT)
- SWITCHING CAPACITY: 250V AC / 2A or 30V DC / 2A (resistive load)
- INTERFACE/CONTROL:
- SIGNAL TYPE: Digital input, Relay output
- FAULT DETECTION: Line fault detection (open/short circuit) for field wiring
- RESPONSE TIME: Typically < 20 ms
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- OPERATING TEMPERATURE: -20°C to +60°C
- MOUNTING STYLE: 35mm DIN rail mount
- HAZARDOUS AREA APPROVALS: ATEX, IECEx, FM, cULus for intrinsic safety applications
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), Emergency Shutdown (ESD) systems
- LOADS: Solenoid valves, audible alarms, visual indicators, and other actuators in Zone 0, 1, 2 (gas) or Zone 20, 21, 22 (dust) hazardous areas
- SAFETY INTEGRITY LEVEL: Suitable for applications up to SIL 2 (IEC 61508/IEC 61511)