Pepperl+Fuchs KFD2-CD2-EX1

Current Driver

Current Driver KFD2-CD2-EX1 is a single-channel isolated barrier designed for use in safety systems with explosive areas. It is used to transmit a 4-20 mA signal from a safe area to I/P converters, actuators and positioners located in hazardous areas.

Datasheet:

• Signal type: Analog output
• Safety Integrity Level (SIL): SIL 2
• Connection: power bus or terminals 7+, 8-
• Nominal voltage: 20...35 V DC
• Ripple: within the permissible power range
• Nominal current: current output: ≤ 50 mA; voltage output: ≤ 20 mA
• Dissipated power: 1.2 W
• Connection side: control side
• Connection: terminals 9+, 10-, 11+
• Voltage drop: additional current input: approx. 4 V at 20 mA
• Input current: ≤ 100 µA at 50 °C (122 °F) at 10 V
• Limit: Additional Current Input: Input Current: Approx. ≤40 mA. optional voltage input: input voltage: 12V DC
• Transmission range: additional current input: 0...20 mA/additional voltage input: 0...10 V
• Connection side: field side
• Connection: terminals 1+, 2-
• Voltage: additional current output: 17 V at 20 mA / additional voltage output: 0...10 V
• Current: additional current output: 0...20 mA/additional voltage output: ≤ 20 mA
• Load: additional current output: max. 850 ohms. additional voltage output: output resistance max. 3 ohms
• Accuracy: 0.1%
• Deviation: After calibration: ≤ ± 0.1% including non-linearity and hysteresis at 20 °C (68 °F)
• Influence of ambient temperature: ≤ ± 0.01 %/K
• Rise time: < 10 ms
• Input/Power Supply: Functional Isolation, Rated Isolation Voltage 50V AC
• Indicators: LED

Advantages:

• Safety: Certified for use in hazardous area safety systems in accordance with ATEX, IECEx and CSA.
• Reliability: The device has a robust construction and has been rigorously tested to ensure its reliability in the harshest environments.
• Versatility: compatible with a wide range of I/P converters, actuators and positioners