PRODUCT DESCRIPTION
PEPPERL & FUCHS 231208 - K-System Intrinsically Safe Switch Amplifier with Relay Output
This K-System intrinsically safe switch amplifier, identified by part number 231208 (KFD2-SR2-EX1.W.SM), provides a reliable interface for controlling solenoid valves, alarms, and other loads located in hazardous areas. It features two independent channels, integrated line fault detection, and a safe-area relay output for status indication or further control, ensuring robust process automation and safety integrity.
Technical Specifications:
- SERIES/FAMILY: K-System (KFD2-SR2-EX1.W.SM)
- COMPONENT TYPE: Intrinsically Safe Switch Amplifier with Relay Output
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 20-35VDC (Safe Area)
- CHANNELS: 2 independent channels
- HAZARDOUS AREA OUTPUT: Intrinsically safe, current-limited for solenoid valves/LEDs (e.g., 24VDC, 40mA typical)
- SAFE AREA OUTPUT: 2 x Changeover Relay Contacts
- RELAY SWITCHING CAPACITY: 250VAC / 2A or 30VDC / 2A
- INTERFACE/CONTROL:
- INPUT: Digital input from safe area control system (e.g., PLC, DCS)
- DIAGNOSTICS: Line fault detection (LFD) for open/short circuit in field wiring
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20
- MOUNTING: 35mm DIN-rail mount
- OPERATING TEMPERATURE: -20°C to +60°C
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Process control systems, Distributed Control Systems (DCS), Programmable Logic Controllers (PLC)
- HAZARDOUS AREA CLASSIFICATION: Ex ia IIC, Ex ia IIB (Zone 0, 1, 2, 20, 21, 22 compatible)
- FIELD DEVICES: Solenoid valves, LED indicators, alarms, contactors in hazardous locations