Pepperl+Fuchs KCD2-RR2-Ex1.SP Resistance Repeater with 0.1% Accuracy SIL 2 Certified and 12.5 mm Width

The KCD2-RR2-Ex1.SP is a high-precision 1-channel isolated barrier from Pepperl+Fuchs' K-System, specifically engineered to transfer resistance values from RTDs (Pt100, Pt500, Pt1000) or potentiometers located in hazardous areas to safe area control systems. This signal conditioner provides complete galvanic isolation between field and control circuits while maintaining exceptional measurement accuracy.

With a compact 12.5 mm width and 24 V DC power supply (via Power Rail or terminals), the KCD2-RR2-Ex1.SP supports 2-, 3-, or 4-wire techniques depending on the required accuracy, ensuring the input card of the control system measures the same load as if it were connected directly to the resistance in the hazardous area.

Certified for SIL 2 acc. to IEC/EN 61508 and approved for hazardous area installation with [Ex ia Ga] IIC, [Ex ia Da] IIIC, and [Ex ia Ma] I certifications, the KCD2-RR2-Ex1.SP delivers reliable, safety-rated performance for temperature measurement and resistance signal transfer in explosive atmospheres.

The ".SP" suffix denotes spring terminal version with push-in connection for fast, vibration-proof wiring.

• High Accuracy (0.1%): Delivers exceptional measurement precision with deviation of ±0.1% of Rm or ±0.1 Ω (the larger value applicable)
• Multiple RTD Support: Accepts Pt100, Pt500, and Pt1000 RTD sensors
• Flexible Wiring Configurations: Supports 2-, 3-, or 4-wire techniques depending on required accuracy
• Line Fault Detection (LFD): Monitors field wiring for Pt100 sensors
• Intrinsic Safety Certification: Certified with [Ex ia Ga] IIC for Zone 0, 1, and 2 hazardous areas
• SIL 2 Certified: Safety Integrity Level 2 acc. to IEC/EN 61508
• True Resistance Transfer: Control system measures same load as if connected directly to field resistance
• Spring Terminal Connection: Push-in connection technology for vibration-proof wiring
• Compact 12.5 mm Width: Ultra-slim design maximizes DIN rail density
• Wide Operating Temperature: Functions reliably from -40°C to +70°C
• DIP Switch Configurable: Easily configurable via front-facing DIP switches