How to distinguish the type of induction sensor: pnp or npn?
How to determine the pnp or npn induction sensor in a wiring diagram?
You need to look at the symbol of the transistor. If the To base arrow is PNP, if the FROM base is npn.
You might find it helpful to read this article - https://our.electricianexp.com/en/chto-takoe-bipolyarnyj-tranzistor.html
You might find it helpful to read this article - https://our.electricianexp.com/en/chto-takoe-bipolyarnyj-tranzistor.html
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