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 operations in hazardous areas
Single or redundant 24 VDC supply voltage, up to 3.75 A supply current
Relay output for error message
Group error evaluation of connected NAMUR isolating amplifiers (RLN22)
Activation/deactivation of group error detection via DIP switch
Ambient temperature range: –20 to 60 °C (–4 to 140 °F)
Edut
Safe and reliable 24 VDC interface power supply, single or redundant
Intelligent diagnostics built-in: power supply failure or fuse error
Quick and easy wiring with plug-in terminals
Compact housing: 17.5 mm (0.69 in) for efficient use of space in control cabinets
Solutions for the loop Indicators, interface devices, surge arresters, energy and application managers, data managers, paper less recorders and associated software packages for process automation
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