Our Fundamental Selection instruments feature an extended 5-year warranty – a clear testament of our trust in their long-term reliability and performance.
Should a warranty case occur, you can count on a fast replacement process and minimal administrative effort – giving you peace of mind when it matters most and helping you keep your operations running smoothly.
Warranty terms apply
The extended warranty is subject to specific conditions. For full details, please refer to the locally applicable General Terms and Conditions (GTC), which can be found on the respective country page of our website.
The RNF22 is a power and error message module that provides a redundant 24 VDC supply voltage to the DIN rail interface bus connector system for safe operations in hazardous areas. Intelligent error diagnostics alert of power supply failure, NAMUR group error messages or fuse error via a relay contact and a flashing LED. The compact interface module is protected against overvoltage and reverse polarity via diode decoupling.
Power and error message module for safe and reliable operation in hazardous areas, power supply up to 3.75 A
Choice of single or redundant supply of the supply voltage 24 VDC via the DIN rail bus connector
Relay output for error message
Group error evaluation of the connected NAMUR isolating amplifiers (RLN22)
Activation/deactivation of group error detection via DIP switch
Optionally available with Ex approval for installation in Ex zone 2
For ambient temperatures –20 to 60 °C (–4 to 140 °F)
Benefits
Safe and reliable 24 VDC supply voltage feed, single or redundant
Integrated intelligent error evaluation reports auxiliary power supply failure or fuse error
Quick and easy wiring using pluggable screw or push-in terminals, protected against polarity reversal
Compact housing: 17.5 mm (0.69 in) for efficient use of space in control cabinets
Setting up and monitoring equipment at an ammonia plant presents significant challenges. Engie Energía uses advanced technological solutions, like remote communication devices in hazardous areas.
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