Baumer Proximity Sensor for heavy machinery high capacity NPN/PNP

Baumer Proximity Sensor for machinery high capacity NPN/PNP

Sensors have a lot of importance in the automation industry when it comes to efficiency and safety. Among these, Baumer Proximity Sensor is known for its ruggedness and accuracy especially in situations involving heavy machinery.

Such sensors are designed to sense objects without making any physical contact with them hence have got a significant place in industries where reliability and longevity matter. Baumer Proximity Sensors’ NPN or PNP output types are one of their most important features. Knowing the difference between these two types is crucial when choosing the right sensor for your application.

NPN vs. PNP: What’s the Difference?

NPN (Negative-Positive-Negative) vs. PNP (Positive-Negative-Positive) refers to the type of transistor used in the output stage of the sensor. However, their circuit load switching mode makes them different from each other.

NPN Sensors:

“Sinking” sensors are another name for NPN sensors which act by connecting the load to ground thus enabling current flow from load through sensor then back to earth.

These sensors are best suited in systems where common ground is an appropriate reference point.

PNP Sensors:

Conversely, sourcing sensors are called PNP sensors as well.