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This 1-channel signal conditioner provides a 24 V DC supply suitable for powering two-wire and three-wire transmitters, as well as two-wire current sources. With an output range of 0/4 mA to 20 mA and an impressive accuracy of 0.1%, it ensures reliable signal transmission in various applications.
The Transmitter Power Supply is part of the Pepperl+Fuchs family of intrinsic safety barriers designed for use in hazardous environments. These devices enable safe and reliable signal transmission from field devices to control systems, ensuring that sensitive equipment operates within safe parameters. The power supply supports various input configurations, including two-wire and three-wire transmitters, making it versatile for different applications.
Commonly utilized in industries such as chemical processing, oil and gas, and pharmaceuticals, the Transmitter Power Supply plays a crucial role in providing accurate and stable signals from sensors and transmitters to monitoring and control systems. Its compliance with safety standards, including SIL 2 according to IEC 61508, ensures that it meets the stringent requirements for use in potentially explosive atmospheres. This reliability and adaptability make it an essential component in modern industrial automation systems.
| KFD2-CR4-1 art.228759 |
| Rise time | 20 micro/s |
| Output signal | 0/4 … 20 mA |
| Electromagnetic compatibility | NE 21:2011 |
| Ripple | within the supply tolerance |
| Load | 0 … 800 andOmega; |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2 |
| Power dissipation | 1.3 W |
| Input signal | 0/4 … 20 mA |
| Rated voltage | 20 … 35 V DC |
| Input resistance | terminals 2-, 3: max. 64 andOmega; terminals 1+, 3: max. 500 andOmega; (250 andOmega; load) |
| Connection side | control side |
| Connection | terminals 1+, 2-, 3- |
| Connection side | field side |
| Connection | Power Rail or terminals 14+, 15- |
| Degree of protection | IEC 60529:2001 |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Signal type | Analog input |
| Ripple | 50 mV ss at 20 mA |
| Ripple | max. 50 andmicro;A rms |
| Display elements | LED |
| Degree of protection | IP20 |
| Settling time | 200 micro/s |
| Deviation | at 20 °C (68 °F), 0/4 … 20 mA 10 andmicro;A incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Labeling | space for labeling at the front |
| Connection | screw terminals |
| Safety Integrity Level (SIL) | SIL 2 |
| Connection | terminals 7-, 8+, 9 |
| Open circuit voltage/short-circuit current | terminals 1+, 3-: 22.7 V / 38 mA |
| Mass | approx. 150 g |
| Power consumption | 1.6 W |
| De-energized delay | 20 micro/s |
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