Would a PNP sensor be sourcing or sinking?

Issue:
Would a PNP sensor be sourcing or sinking?

Product Line:
Electronic Sensors and Machine Cabling

Environments:
OsiSense Photoelectric Sensors

Causes:
Installation

Resolution:
PNP connects the positive side of the sensor to the load this is called sourcing,
NPN connects the load to the negative side of the sensor. This is called sinking.

Released for: Schneider Electric USA