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The SMART Transmitter Power Supply is a 1-channel isolated barrier designed to provide a reliable 24 V DC supply for 2-wire SMART transmitters and current sources. It features output options for both 4 mA … 20 mA and 1 V … 5 V signals, with configurable sink or source modes.
The SMART Transmitter Power Supply is part of a comprehensive range of intrinsic safety barriers from Pepperl+Fuchs, specifically engineered to facilitate safe operation in hazardous environments. These barriers are crucial for isolating and protecting field devices, ensuring that signals from SMART transmitters are transmitted without risk of ignition in explosive atmospheres. Common applications include process automation and instrumentation where safety and reliability are paramount.
This device supports a 24 V DC input and provides outputs for analog signals, making it suitable for various measuring and control tasks. The compact 12.5 mm housing allows for efficient use of space in control cabinets, while spring terminals simplify installation and maintenance. With compliance to SIL 2 according to IEC 61508, this power supply barrier meets high safety standards, ensuring robust performance in critical applications.
| Degree of protection | IEC 60529:2001 |
| Input signal | 4 … 20 mA limited to approx. 30 mA |
| Dimensions | 12.5 x 114 x 124 mm (0.5 x 4.5 x 4.9 inch) , housing type A2 |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Control elements | DIP-switch |
| Connection | terminals 1+, 2-; 3+, 4- |
| Voltage drop | terminals 3+, 4- : approx. 5 V |
| Safety Integrity Level (SIL) | SIL 2 |
| Input/Output | reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Settling time | 200 ms |
| Mass | approx. 100 g |
| Deviation | at 20 °C (68 °F) � 0.1 % incl. non-linearity and hysteresis (source mode 4 … 20 mA) � 0.2 % incl. non-linearity and hysteresis (sink mode 4 … 20 mA) � 0.2 % incl. non-linearity and hysteresis (source mode 1 … 5 V) |
| Rise time/fall time | 20 ms |
| Load | 0 … 300 andOmega; (source mode) |
| Degree of protection | IP20 |
| Output/power supply | reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff |
| Frequency range | field side into the control side: bandwidth with 0.5 Vpp signal 0 … 3 kHz (-3 dB) control side into the field side: bandwidth with 0.5 Vpp signal 0 … 3 kHz (-3 dB) |
| Equipment | terminals 1+, 2- |
| 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 | Power Rail or terminals 9+, 10- |
| Ripple | 10 % |
| Certificate | PF 06 CERT 0973 X |
| Equipment | terminals 3+, 4- |
| Output signal | 4 … 20 mA or 1 … 5 V (on 250 andOmega;, 0.1 % internal shunt) 4 … 20 mA (sink mode), operating voltage 15.5 … 26 V |
| Ripple | 20 mV rms |
| IECEx approval | IECEx CES 06.0001 |
| Connection | terminals 5-, 6+ |
| Labeling | space for labeling at the front |
| Power consumption | 1.1 W |
| EU-Type Examination Certificate | CESI 06 ATEX 021 |
| Connection side | field side |
| Signal type | Analog input |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Rated current | 45 mA |
| Available voltage | terminals 1+, 2-: 15 V at 20 mA |
| Display elements | LED |
| Electromagnetic compatibility | NE 21:2006 |
| Open circuit voltage/short-circuit current | terminals 1+, 2-: 22 V / 30 mA |
| Rated voltage | 19 … 30 V DC |
| Power dissipation | 800 mW |
| Connection side | control side |
| Configuration | via DIP switches |
| Connection | spring terminals |
| Input/power supply | reinforced insulation acc. to EN 50178, rated insulation voltage 300 Veff |
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