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The SMART Transmitter Power Supply is a 1-channel isolated barrier designed for powering 2-wire SMART transmitters and current sources. It offers a 24 V DC supply and supports output configurations for both 4 mA … 20 mA and 1 V … 5 V signals.
The SMART Transmitter Power Supply is part of a specialized family of intrinsic safety barriers designed for use in hazardous environments. These barriers provide essential isolation and power requirements for SMART transmitters, ensuring safe operation while maintaining signal integrity. They are particularly suited for applications in industries such as oil and gas, chemical processing, and other sectors where safety is paramount.
This device features line fault detection (LFD) capabilities, allowing for real-time monitoring and reliability in system performance. The flexibility of sink and source modes enhances its adaptability in various applications, enabling seamless integration with a range of 2-wire devices. With a compact housing width of 12.5 mm and compliance with SIL3 according to IEC 61508, this power supply ensures both space efficiency and high safety standards, making it an ideal choice for modern industrial automation systems.
| Configuration | via DIP switches |
| Degree of protection | IP20 |
| Connection side | field side |
| Load | 0 … 300 andOmega; (source mode) |
| Signal type | Analog input |
| Safety Integrity Level (SIL) | SIL 3 |
| Connection | terminals 1+, 2-; 3+, 4- |
| Ambient temperature | -20 … 70 °C (-4 … 158 °F) |
| Ripple | 20 mV rms |
| Output signal | 4 … 20 mA or 1 … 5 V (on 250 andOmega;, 0.1 % internal shunt) 4 … 20 mA (sink mode), operating voltage 16 … 28 V |
| Mass | approx. 100 g |
| Available voltage | 15 V at 20 mA terminals 1+, 2- |
| EU-Type Examination Certificate | CESI 10 ATEX 071 |
| Dimensions | 12.5 x 114 x 124 mm (0.5 x 4.5 x 4.9 inch) , housing type A2 |
| Display elements | LEDs |
| Rise time/fall time | 20 ms |
| Input signal | 4 … 20 mA , limited to approx. 27 mA reverse polarity protected |
| Line fault detection | downscaling 3 mA ; upscaling 22 mA |
| Deviation | at 20 °C (68 °F) ± 20 andmicro;A incl. calibration, linearity, hysteresis, loads and supply voltage fluctuations (source mode and sink mode 4 … 20 mA) 10 mV incl. calibration, linearity, hysteresis and fluctuations of supply voltage (source mode 1 … 5 V) |
| Labeling | space for labeling at the front |
| Power consumption | 1.2 W |
| Settling time | 200 ms |
| Certificate | PF 10 CERT 1749 X |
| Connection side | control side |
| Output type | fault bus signal , open collector transistor |
| Frequency range | field side into the control side: bandwidth with 1 mApp signal 0 … 3 kHz (-3 dB) control side into the field side: bandwidth with 0.5 Vpp signal 0 … 3 kHz (-3 dB) |
| Control elements | DIP-switch |
| Electromagnetic compatibility | NE 21:2006 |
| Rated current | 50 mA |
| Power dissipation | 800 mW |
| Connection | screw terminals |
| Connection | Power Rail or terminals 9+, 10- |
| Connection | terminals 5-, 6+ |
| Ripple | 10 % |
| Voltage drop | approx. 5 V on terminals 3+, 4- |
| IECEx approval | IECEx CES 11.0001 |
| Rated voltage | 19 … 30 V DC |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
Currently, the goods have no revocation.
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