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The SMART Universal Barrier is a 1-channel isolated barrier designed for versatile applications in hazardous environments. It supports both analog and digital inputs and outputs with a 24 V DC supply, ensuring efficient operation without the need for configuration.
The SMART Universal Barrier from Pepperl+Fuchs is an advanced solution for intrinsic safety applications, particularly in industrial settings where hazardous conditions may persist. This device offers a robust 3-way isolation feature, making it suitable for connecting field devices directly to control systems while ensuring protection against electrical faults. Its capability to handle both analog and digital signals enhances its versatility, allowing it to be deployed in various monitoring and control scenarios.
Designed to operate with a bus-powered 24 V DC supply, the barrier facilitates seamless integration into existing systems without the need for extensive configuration, thanks to its self-adapting functionality. The product supports HART transparency, enabling two-way communication with smart field devices, which is essential for advanced diagnostics and process automation. Additionally, the device is characterized by low power dissipation and compliance with safety standards, achieving up to SIL 2 according to IEC 61508, making it a reliable choice for safety-critical applications.
| Ambient temperature | -40 … 70 °C (-40 … 158 °F) Observe the temperature range limited by derating, see section derating. |
| Field circuit | SL2: 5a(+), 5b(-) |
| Signal type | Universal |
| Frequency range | HART: bandwidth by 0.5 Vpp signal and/or 1 mApp signal 950 … 2500 Hz (analog input, analog output) |
| Input | EN 60947-5-6:2000 |
| Ripple | 20 mV rms |
| Power consumption | 700 mW |
| Voltage | 12 … 30 V |
| UL approval | E106378 |
| Protection against electrical shock | IEC 61010-1:2010 |
| Equipment | SL2: 5a(+), 1a(-) |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Deviation | at 20 °C (68 °F) �20 andmicro;A incl. linearity, hysteresis and supply fluctuations at 4 … 20 mA (analog input, analog output) �60 andmicro;A incl. linearity, hysteresis and supply fluctuations at 0 … 45 mA (digital output) |
| Signal | 0.1 … 9 mA |
| Supply voltage | min. 16 V at 20 mA (2-wire SMART transmitter) |
| Control circuit | SL1: 8a(+), 7a(-) |
| Switching frequency | 500 Hz with 50 % duty cycle (digital input, NAMUR sensor) 5 Hz (digital input, dry contact) 20 Hz (digital output) |
| Field circuit | SL2: 5a(+), 5b(-) |
| Voltage | 1-signal: 19 … 30 V DC 0-signal: 0 … 5 V DC |
| Equipment | SL2: 5a(+), 1b(-) |
| Suitable field devices | I/P converters (positioner), on-site-displays |
| Load | 0 … 650 andOmega; |
| Line fault detection | > 100 kandOmega; at max. 30 V, with field wiring open |
| Coding | pin 1 and 4 trimmed For further information see system description. |
| Suitable field devices | NAMUR sensors according to IEC/EN 60947-5-6, dry contacts |
| Rated current | 30 mA |
| Drive capability | 12 V / 40 mA at 300 andOmega; load |
| Certificate | TV 14 ATEX 153523 X |
| Signal | 0/4 … 20 mA , sink mode , working voltage 15 … 30 V |
| Ripple | 10 % |
| Current limit | 45 mA |
| Suitable field devices | solenoid valves, acoustic or visual alarms |
| Signal | 0/4 … 20 mA |
| Safety Integrity Level (SIL) | SIL 2 |
| Voltage | 13 V at 20 mA |
| Mounting | on Termination Board |
| EU-Type Examination Certificate | TV 14 ATEX 153522 X |
| Voltage drop | approx. 4 V (current source) |
| Connection | SL1: 1a(-), 1b(-); 2a(+), 2b(+) |
| Equipment | SL2: 5a(+), 5b(-) |
| Power dissipation | 1.1 W at 24 V, 300 andOmega; load (digital output) |
| Field circuit | SL2: 5a(+), 1a(-) (NAMUR sensor) SL2: 5a(+), 5b(-) (dry contact) |
| Signal | 0/4 … 20 mA , limited to approx. 40 mA (depends on control system) , reverse polarity protected |
| Storage temperature | -40 … 85 °C (-40 … 185 °F) |
| Settling time | 20 ms (analog input, analog output) 1 ms (digital input, NAMUR sensor) |
| Suitable field devices | 2-wire SMART transmitters, current sources |
| Control circuit | SL1: 8a(+), 7a(-) |
| Voltage | 13 … 30 V |
| Electromagnetic compatibility | NE 21:2011 |
| Signal | 0.1 … 9 mA , sink mode |
| Open loop voltage | approx. 22 V |
| Field circuit | SL2: 5a(+), 5b(-) (2-wire SMART transmitter) SL2: 5a(+), 1b(-) (2-wire SMART transmitter with current source) |
| Open loop voltage | approx. 10 V DC , 1 kandOmega; series resistance |
| Degree of protection | IP20 |
| Rated voltage | 19 … 30 V DC via Termination Board |
| Degree of protection | IEC 60529:2001 |
| Voltage | 15 … 30 V |
| Relative humidity | 95 % non-condensing |
| Ripple | 20 mV rms |
| Mass | approx. 100 g |
| Control circuit | SL1: 8a(+), 7a(-) |
| Control circuit | SL1: 8a(+), 7a(-) |
| Control/power supply | basic insulation according to IEC/EN 61010-1, rated insulation voltage 60 Veff |
| Internal resistor | min. 240 andOmega; |
| Signal | 0/4 … 20 mA |
| Current | 1-signal: 0 … 45 mA, depending on the output load 0-signal: < 0.1 mA, independent of the output load |
| Dimensions | 12.5 x 128 x 106 mm (0.5 x 5.1 x 4.2 inch) |
| Reaction time | 5 ms , turn-on/turn-off time (digital output) |
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