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The SMART Transmitter Power Supply is a dual-channel isolated barrier designed for 2-wire SMART transmitters in hazardous environments. It operates on a 24 V DC supply and provides outputs ranging from 4 mA to 20 mA or 1 V to 5 V with low power dissipation.
The SMART Transmitter Power Supply is engineered for use in applications requiring intrinsic safety barriers, particularly in hazardous locations where electrical equipment must be protected from explosive atmospheres. This product family includes 2-channel isolated barriers that provide reliable power and signal transmission for 2-wire SMART transmitters, ensuring compatibility with various industrial automation systems.
With a standard 24 V DC bus-powered supply, the device supports a range of output configurations, accommodating both current and voltage signals suitable for various monitoring and control applications. The low power dissipation feature enhances energy efficiency, making it ideal for continuous operation in demanding environments. Additionally, the product meets the safety integrity level up to SIL 2 according to IEC 61508 standards, ensuring compliance with stringent safety requirements in industrial settings.
| Rated voltage | 20.4 … 30 V DC bus powered via Termination Board |
| Calibrated accuracy | < ± 0.1 % of full-scale value (current output) |
| Rated current | 95 mA at 24 V, 20 mA output |
| Degree of protection | IP20 |
| Connection | SL2: 5a(+), 5b(-); 1a(+), 1b(-) |
| Voltage | min. 15.5 V at 20 mA |
| Input/input | safe electrical isolation acc. to EN 60079-11: 2007, voltage peak value 60 V |
| Labeling | space for labeling at the front |
| Connection side | field side |
| Influence of temperature | < 2 andmicro;A/K (0 … 60 °C (32 … 140 °F)); < 4 andmicro;A/K (-20 … 0 °C (-4 … 32 °F)) 0.01 %/ K |
| Ripple | 10 mV eff on a load of 250 andOmega; |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Load | 0 … 650 andOmega; |
| IECEx approval | IECEx CES 10.0011 |
| Response time | 40 ms , 10 … 90 % step change |
| Mass | approx. 140 g |
| Connection | SL1: 8a(+), 7a(-); 10a(+), 9a(-) |
| Ripple | 10 mV eff |
| Display elements | LED |
| Mounting | on Termination Board |
| Control elements | DIP-switch |
| Frequency range | communication channel: 0.5 … 40 kHz within 3 db, (-6 db at 100 kHz), Tx to output and output to Tx, suitable for use with SMART transmitters using HART or similar protocol |
| Connection side | control side |
| Dimensions | 18 x 106 x 128 mm (0.7 x 4.2 x 5 inch) |
| Linearity | < ± 0.1 % of full-scale value |
| Electromagnetic compatibility | NE 21:2006 For further information see system description. |
| Output signal | 4 … 20 mA or 1 … 5 V (on 250 andOmega;, 0.1 % internal shunt) |
| Influence of load | < ± 0.1 % of full-scale value from 0 … 650 andOmega; |
| Power dissipation | 0.8 W at 24 V (per channel) |
| Signal type | Analog input |
| EU-Type Examination Certificate | CESI 10 ATEX 025 |
| Input current | 4 … 20 mA , current limit 26 mA typ. |
| Certificate | PF 10 CERT 1609 X |
| Safety Integrity Level (SIL) | SIL 2 |
| Configuration | via DIP switches |
| Degree of protection | IEC 60529:2001 |
Currently, the goods have no revocation.
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