Description

KCD2-SOT-EX1.LB is a Pepperl+Fuchs SIL 2 switch amplifier designed for digital input signals and compatible with NAMUR sensors.

General Information

• Device Model: KCD2-SOT-EX1.LB

• Manufacturer: Pepperl+Fuchs

• Input Type: Digital (NAMUR standard)

• Safety Classification: SIL 2

• Systematic Capability Level: SC 3

Power Supply

• Input Voltage Range: 19–30 V DC

• Max Ripple Tolerance: ≤ 10%

• Operating Current Range: 20–15 mA

• Total Power Loss: ≤ 700 mW (includes output stage)

Input Specifications

• Field Connection Terminals: 1+, 2−

• Standard Compliance: EN 60947-5-6 (NAMUR)

• Open-Circuit Voltage: ~10 V DC

• Short-Circuit Current: ~8 mA

• Switch Threshold: 1.2–2.1 mA

• Switch Hysteresis: ~0.2 mA

• Line Fault Monitoring:

• Break Detection: I ≤ 0.1 mA

• Short Detection: I ≥ 6.5 mA

• Minimum Pulse Width: 100 µs / 100 µs

Output Specifications

• Control Connection Terminals:

• Output I: 5, 6 (Transistor output)

• Output II: 7, 8 (Transistor output or fault signal)

• Output Voltage: 30 V DC

• Output Current: 50 mA max

• Max Response Time: ≤ 200 µs

• Output Signal Levels:

• High State: External voltage − 3 V max @ 50 mA

• Low State: Output off (≤ 10 µA leakage)

• Error Reporting: Via Power Rail (collective fault message)