Pnp Sensor Circuit Diagram. In our case the plc input will be our load. The circuit in the above figure shows the pnp transistor as a switch.
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The circuit in the above figure shows the pnp transistor as a switch. We will now explain the hardware connections. Below is the circuit for connecting a pnp transistor which can function as a switch or an amplifier.
This sensor is the ck1 00 2h capacitive proximity sensor.
Here s a simple way remember how to wire up a 3 wire dc pnp or npn sensor. Below is the circuit for connecting a pnp transistor which can function as a switch or an amplifier. The pnp inductive sensor circuit we will build that sounds a buzzer when metal is detected is shown below. The operation of this circuit is very simple if the input pin of transistor base is connected to ground i e.
