Pepperl+Fuchs KCD2 Series Modules KCD2-SCD-EX1

Name: Pepperl+Fuchs KCD2 Series Modules KCD2-SCD-EX1
Brand: Pepperl+Fuchs

Model: KCD2-SCD-EX1

Brand Pepperl+Fuchs

Series KCD2 Series

Model KCD2-SCD-EX1

RFQ-ready model route Obsolete and surplus sourcing Export follow-up by model list

Product Overview

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Technical Dossier

Product Details And Specifications

Pepperl+Fuchs KCD2 Series Technical Notes

KCD2 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly stocked models within the Pepperl+Fuchs KCD2 series, classified by functional category:

Switch Amplifier & Solenoid Driver Modules (NAMUR / Mechanical Contact Input)

KCD2-SCD-EX1: 1-channel isolated barrier, solenoid/valve driver output, NAMUR input, Ex ia IIC, 12.5 mm housing.
KCD2-SCD-EX2: 2-channel isolated barrier, dual solenoid driver output, NAMUR sensor input, DIN rail mount.
KCD2-SR-EX1: 1-channel switch amplifier, relay output (SPDT), NAMUR/mechanical contact input, Ex ia IIC.
KCD2-SR-EX2: 2-channel switch amplifier, dual relay output (SPDT), NAMUR input, 24 VDC bus supply.
KCD2-SR-EX2.2S: 2-channel switch amplifier, 2 relay outputs per channel, enhanced short-circuit detection.
KCD2-SR-EX1.W: 1-channel switch amplifier with watchdog function, relay output, line fault detection.
KCD2-SR-EX2.W: 2-channel switch amplifier with watchdog, dual relay output, wire-break monitoring.

Analog Input Modules — Transmitter Supply & Signal Conditioners (4–20 mA)

KCD2-STC-EX1: 1-channel isolated barrier, 4–20 mA transmitter supply and signal conditioner, Ex ia IIC.
KCD2-STC-EX2: 2-channel transmitter power supply and isolator, 4–20 mA loop, HART transparent.
KCD2-STC-EX1.2O: 1-channel transmitter supply, dual 4–20 mA output, signal splitter function.
KCD2-STC-EX2.2O: 2-channel transmitter supply with dual analog outputs, HART pass-through.
KCD2-STC-EX1.SP: 1-channel transmitter supply with HART signal pass-through, single analog output.

Analog Output Modules — Current Output to Hazardous Area

KCD2-SOT-EX1: 1-channel isolated barrier, 4–20 mA output to hazardous area, DCS/PLC driven.
KCD2-SOT-EX2: 2-channel current output isolator, 4–20 mA to field, 750 Ω max load.
KCD2-SOT-EX1.LB: 1-channel current output with line break detection, fault signaling relay.

Temperature / RTD / Thermocouple Input Modules

KCD2-UT2-EX1: 1-channel universal temperature input (RTD/TC/mV/Ω), 4–20 mA output, Ex ia IIC.
KCD2-UT2-EX2: 2-channel universal temperature transmitter interface, configurable via DIP switch.

Power Rail & Bus Accessories

KSD2-GW: Power rail gateway module, 24 VDC bus supply for KCD2/KFD2 DIN rail segments.

Quality Control for the KCD2 Range

KCD2 modules present specific test challenges due to their transformer-isolated backplane architecture and NAMUR-standard signal thresholds (8 mA / 1.2 mA switching levels). DriveKNMS applies the following test protocol to all KCD2 units prior to dispatch:

Dielectric withstand test: 500 VDC isolation verification between input, output, and power circuits.
NAMUR threshold verification: input switching confirmed at ≤1.2 mA (OFF) and ≥2.1 mA (ON) per EN 60947-5-6.
Analog accuracy check: 4–20 mA output linearity verified at 0%, 25%, 50%, 75%, and 100% of span against calibrated reference.
Relay contact resistance: measured at <100 mΩ for all relay output variants.
Functional burn-in: 4-hour powered soak at 40 °C ambient.

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