OVERVIEW

Official designation: Pepperl+Fuchs KCD2-E2L (KCD2 Series, Sensor Switch Amplifier)

Role/Application: This 1-channel terminal amplifier converts digital NAMUR sensor signals into a switched PNP transistor output, providing galvanic isolation and short-circuit protection for interfacing to control systems.

KEY SPECS SUMMARY

Power: 10 to 30 V DC (Operating current approx. 22 mA)

Interfaces / Ports: One NAMUR input (terminals 1+, 2-), one PNP output (terminal 4+)

Indicators: One yellow LED (Switching status indicator)

Operating Temp: -25 to 70 degrees C (Ambient)

Platform / Compatibility: NAMUR sensor input, DIN rail mount, IP20 protection

Limit: Switching frequency 1 kHz, Pulse length/interval greater than or equal to 0.5 ms

Lifecycle: Refer to the latest manufacturer manual.

FREQUENTLY ASKED QUESTIONS

Technical Specifications:

Q: What is the nominal sensor supply voltage provided by the KCD2-E2L to the NAMUR sensor?

A: The unit provides an approximate 8 V DC sensor supply with a maximum short-circuit current of 8 mA.

Wiring & Installation:

Q: How can the integrated lead breakage and short-circuit monitoring feature be deactivated?

A: Lead breakage monitoring can be disconnected by bridging terminals 1 and 3.

Troubleshooting & Compatibility:

Q: What is the maximum switching current capacity of the PNP transistor output?

A: The short-circuit protected PNP transistor output can switch a maximum current of 200 mA.

Replacement & Upgrades:

Q: Does the KCD2-E2L offer relay output options for higher load switching applications?

A: No, this specific model features a PNP transistor output; consider KCD2-R models for relay output.