RN Series: Reliable signal processing and conditioning
New interface components for reliable power supply, switching and signal doubling in safety systems
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The RN Series interface devices for safe operations in hazardous areas
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RN Series interface modules power the foundation of measurement instrument loops
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RN22 active barrier or signal doubler, HART-transparent
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RNO22 output isolating amplifier
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RNF22 power feed-in and error message module
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RNB22 230V/110V AC to 24V DC system power supply
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RLN22 isolating amplifier for safe and reliable switching operations
Smart power
Smart functions such as NAMUR signal conversion, line fault monitoring, galvanic signal isolation, signal doubling, output signal amplification with bidirectional HART transparency give operators control and flexibility in systems of any scale, protecting assets and safeguarding data signal integrity in the process.
The RN Series at a glance
RN22: (RN42*): Active/passive barrier, signal doubler
RLN22: (RLN42*): NAMUR isolating amplifier
RNO22: Output isolating amplifier
RNB22: System power supply (single or redundant)
RNF22: Feed-in & error message module
* variant for wide range power supply (24-230 V AC/DC), available in Q4 2021
Typical application scenarios
2- and 4-wire (4 to 20 mA) instruments (e.g. Cerabar PMP71, Proline 200/300, ModuLine TM131, …)
RN22 active barrier, sensor supply with HART transparency
Data managers (e.g. Memograph M RSG45)
RN22 signal doubler
Point level switches (e.g. Liquiphant FTL51)
RLN22 or RLN42 NAMUR isolating amplifier
Active components (e.g. control valves, actuators)
RNO22 isolating output amplifier
RNB22 230 V/110 VAC to 24 VDC system power supply
RNF22 Feed-in & error message module, redundant power supply
Seamless system integration
All RN Series interface modules perfectly integrate with Endress+Hauser instruments, and work equally seamlessly with instruments from other vendors. The compact, space-saving housings with up to two channels on 12.5 mm are plug-and-play ready for standard DIN rails and control cabinets.
Independent of the industry, our offering promotes simplicity every step of the way: from easy selection and supply, to installation, commissioning, troubleshooting and service at all stages of the life cycle.