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This K-System intrinsic safety barrier is engineered for signal conditioning and galvanic isolation of digital inputs originating from hazardous areas. It provides a non-intrinsically safe relay output for integration into control systems, ensuring safe operation of field devices such as NAMUR proximity sensors or potential-free contacts in classified environments. The module facilitates compliance with intrinsic safety standards for process automation applications.
Technical Specifications:
SERIES/FAMILY: K-System (KFD2-SR2-EX1.W variant)
COMPONENT TYPE: Intrinsic Safety Barrier with Relay Output
ELECTRICAL SPECS:
SUPPLY VOLTAGE: 24 VDC (20 to 35 VDC)
POWER CONSUMPTION: Approximately 1.5 W
INPUT TYPE: Intrinsically safe for NAMUR proximity sensors or potential-free contacts
OUTPUT TYPE: 1 x Normally Open (NO) relay contact, non-intrinsically safe
RELAY SWITCHING CAPACITY: 250 VAC / 2 A or 30 VDC / 2 A (resistive load)
INTERFACE/CONTROL:
INPUT SIGNAL: Digital (from hazardous area)
OUTPUT SIGNAL: Digital (relay contact to safe area)
FAULT DETECTION: Line fault detection (LFD) for open and short circuits on input lines
ISOLATION: Galvanic isolation between input, output, and power supply
ENVIRONMENTAL/MOUNTING:
IP RATING: IP20
MOUNTING: 35 mm DIN rail mounting
OPERATING TEMPERATURE: -20 °C to +60 °C (-4 °F to +140 °F)
HAZARDOUS AREA CERTIFICATION: ATEX, IECEx, UL, FM (for intrinsic safety applications)
COMPATIBILITY/APPLICATION:
TARGET SYSTEMS: Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), Safety Instrumented Systems (SIS)
APPLICATION AREAS: Chemical processing, oil and gas, pharmaceuticals, power generation, and other industries requiring intrinsic safety for field devices in Zone 0, 1, or 2.
SAFETY INTEGRITY LEVEL: Suitable for applications up to SIL 2 (IEC 61508/61511)
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