Pepperl+Fuchs KFD2-CR4-1.2O

Transmitter Power Supply
SKU: KFD2-CR4-1.2O
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The Transmitter Power Supply is a reliable 1-channel signal conditioner designed for various industrial applications. It supports both 2-wire and 3-wire transmitters along with 2-wire current sources, ensuring versatility in signal processing.

All description
Manufacturer: Pepperl+Fuchs
Description:

The Transmitter Power Supply is part of a robust family of intrinsic safety barriers designed to ensure safe operation in hazardous environments. These devices play a critical role in isolating and conditioning signals in applications where explosive atmospheres may be present. The power supply offers a 24 V DC output and is capable of accommodating both 2-wire and 3-wire transmitters, making it suitable for a wide range of process control and automation applications.

Equipped with dual outputs for 0/4 to 20 mA signals, the device serves as an efficient signal splitter, allowing for simultaneous transmission of signals to multiple devices. With an accuracy of 0.1% and compliance with SIL3 standards as per IEC 61508, this power supply ensures precise signal transmission while maintaining the highest safety standards. Its applications span across various industries, including chemical processing, oil and gas, and manufacturing, where reliable and safe signal transmission is essential.

Mass approx. 150 g
Power consumption 2.4 W
Note Both output loads must be connected to ensure complete and correct operation within the technical specification.
Rise time 20 micro/s
Input signal 0/4 … 20 mA
Ripple within the supply tolerance
Display elements LED
Output signal 0/4 … 20 mA
Available voltage terminals 1+, 3: 16 V at 20 mA
De-energized delay 20 micro/s
Connection screw terminals
Ripple 50 mV ss at 20 mA
Connection Power Rail or terminals 14+, 15-
Dimensions 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2
Connection terminals 1, 2, 3
Settling time 200 micro/s
Open circuit voltage/short-circuit current terminals 1+, 3-: 22.7 V / 38 mA
Signal type Analog input
Deviation at 20 °C (68 °F), 0/4 … 20 mA
10 andmicro;A incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage
Labeling space for labeling at the front
Mounting on 35 mm DIN mounting rail acc. to EN 60715:2001
Degree of protection IEC 60529:2001
Connection terminals 7-, 8+,9; 10-, 11+,12
Safety Integrity Level (SIL) SIL 3
Input resistance terminals 2-, 3: max. 85 andOmega;
Ambient temperature -20 … 60 °C (-4 … 140 °F)
Connection side field side
Connection side control side
Power dissipation 1.8 W
Degree of protection IP20
Load 0 … 550 andOmega;
Ripple max. 50 andmicro;A rms
Rated voltage 20 … 32 V DC
Electromagnetic compatibility NE 21:2011
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