I have a concern regarding my npn NO sensors. I have them wired up in parallel with a resistor to drop 12v input to 5v. I have the resistor from -12v (blue wire) jumped to output (black wire). All works good, drops voltage to 4.9v. However, when sensor is triggered it drops to 0.75v instead of 0.0v as I would expect it to. Is that normal? Will that 0.75v fry my c10 BOB?

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