Signals & Electrical
NAMUR sensor
A low-current two-wire sensor interface widely used in hazardous-area and process applications.
IN ONE SENTENCE
The sensor changes a small current level rather than switching a normal PLC input directly.
In normal English
NAMUR proximity sensors are commonly connected through suitable isolating amplifiers or barriers, particularly in hazardous locations.
Why would I use it?
Use it where NAMUR compatibility, intrinsic safety or process-industry standards require it.
THINK OF IT LIKE…
A very low-energy sensor language that needs a translator before the PLC.
Related terms
intrinsic safety, isolating amplifier, proximity sensor
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