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The SMART Current Driver/Repeater is a 1-channel isolated barrier designed for use in hazardous environments. It operates with a 24 V DC supply and is loop powered, supporting a current input/output range of 4 mA to 20 mA.
The SMART Current Driver/Repeater from Pepperl+Fuchs is a vital component in applications requiring intrinsic safety barriers. These devices ensure that signals from field devices are transmitted safely and reliably, particularly in potentially explosive atmospheres. The isolated barrier design prevents the transfer of harmful voltages and currents into safe areas, making it essential for compliance with safety standards in industrial automation.
Common applications include process automation, where the device facilitates the connection between sensors and control systems. By utilizing a 24 V DC, loop-powered supply, it enhances signal integrity across long distances, making it ideal for use in environments such as oil and gas, chemical processing, and other industries where safety is paramount. The 4 mA to 20 mA current input/output range allows for seamless integration with various field devices, providing flexibility in system design.
| Connection | screw terminals |
| Influence of ambient temperature | < 0.5 andmicro;A/K |
| Rated voltage | loop powered |
| Voltage | max. 30 V DC |
| Dimensions | 20 x 124 x 115 mm (0.8 x 4.9 x 4.5 inch) , housing type B2 |
| EU-Type Examination Certificate | PTB 02 ATEX 2064 |
| Rise time | 20 micro/s at 0 andOmega;, 600 micro/s with 800 andOmega; load |
| Degree of protection | IP20 |
| FM approval | device with FM approval on request |
| Voltage | 16 V for supply voltage > 21 V |
| Power dissipation | 0.2 W |
| Power dissipation | 150 mW at 20 mA and Uin < 24 V |
| Safety Integrity Level (SIL) | SIL 2 |
| Current | 4 … 20 mA (linear transmission 1 … 22 mA) |
| Connection | terminals 1+, 2 / 3- |
| Load | 800 andOmega; (at 20 mA) |
| Current | 4 … 20 mA (quiescent current < 0.5 mA) |
| Mass | approx. 120 g |
| Voltage drop | see note |
| Electromagnetic compatibility | NE 21:2007 |
| Connection | terminals 8-, 9+ |
| Certificate | PF 11 CERT 0902 X |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Signal type | Analog input/analog output |
| Degree of protection | IEC 60529:2001 |
| Damping | approx. 3 dB |
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