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The SMART Transmitter Power Supply is a high-performance, 1-channel isolated barrier designed to provide reliable 24 V DC power to various types of SMART transmitters. It supports input from both 2-wire and 3-wire configurations, making it versatile for a range of industrial applications.
The SMART Transmitter Power Supply is part of a comprehensive family of intrinsic safety barriers developed for use in hazardous environments. These barriers enable safe operation of electrical devices in explosive atmospheres by isolating the field devices from the control system, thereby preventing ignition of flammable materials. With capabilities to power 2-wire and 3-wire SMART transmitters, along with 2-wire SMART current sources, this product is essential for ensuring the integrity and safety of measurement and control processes in industries such as chemical, oil and gas, and pharmaceuticals.
Designed for easy integration into existing systems, the power supply utilizes a 24 V DC input from a Power Rail, providing a stable and efficient source of power. The isolated barrier significantly enhances the reliability of communications between smart devices and control units, ensuring accurate data transmission while adhering to stringent safety standards. Its compact design allows for flexible installation in control cabinets or field setups, making it suitable for a variety of applications where safety and performance are paramount.
| Output/power supply | functional insulation, rated insulation voltage 50 V AC |
| Connection side | field side |
| Frequency range | field side into the control side: bandwidth with 0.5 Vpp signal 0 … 7.5 kHz (-3 dB) control side into the field side: bandwidth with 0.5 Vpp signal 0.3 … 7.5 kHz (-3 dB) |
| Signal type | Analog input |
| IECEx approval | IECEx CML 17.0016X |
| Deviation | at 20 °C (68 °F), 0/4 … 20 mA 10 andmicro;A incl. calibration, linearity, hysteresis, loads and fluctuations of supply voltage |
| Input signal | 0/4 … 20 mA |
| Optional accessories | – power feed module KFD2-EB2(.R4A.B)(.SP) – universal power rail UPR-03(-M)(-S) – profile rail K-DUCT-BU(-UPR-03) |
| Connection | terminals 1+, 2-, 3 |
| Labeling | space for labeling at the front |
| Equipment | terminals 1+, 3- |
| Rated voltage | 18 … 30 V DC |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Safety Integrity Level (SIL) | SIL 3 |
| Connection side | control side |
| Degree of protection | IEC 60529:2001 |
| Input resistance | max. 265 andOmega; terminals 2-, 3 , max. 330 andOmega; terminals 1+, 3 |
| Rise time/fall time | 100 micro/s |
| Ripple | within the supply tolerance |
| Output/Output | functional insulation, rated insulation voltage 50 V AC |
| Display elements | LED |
| Settling time | 200 micro/s |
| Power dissipation | 1 W at maximum load |
| EU-Type Examination Certificate | CML 17 ATEX 2031X |
| Equipment | terminals 1+, 2 / 3- |
| Available voltage | 16 V at 20 mA , terminals 1+, 3 |
| Protection against electrical shock | UL 61010-1:2012 |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| External supply (loop) | 2 … 30 V DC |
| Power consumption | 1.7 W at maximum load |
| Mass | approx. 200 g |
| Connection | terminals 7+, 8-, 9-; 10+, 11-, 12- (sink) terminals 7-, 8+, 9+; 10-, 11+, 12+ (source) see additional information |
| Certificate | CML 17 ATEX 3030X |
| Ripple | max. 50 andmicro;A rms |
| Dimensions | 20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) , housing type B2 |
| Load | 0 … 600 andOmega; |
| Degree of protection | IP20 |
| Equipment | terminals 2-, 3 |
| Electromagnetic compatibility | NE 21:2012 EN 61326-3-2:2008 |
| Output signal | 0/4 … 20 mA (overload > 25 mA) |
| Connection | Power Rail or terminals 14+, 15- |
| Connection | screw terminals |
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